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Author SHA1 Message Date
Mariusz Tkaczyk
c8870379a2 md: Put the right device in md_seq_next 
If there are multiple arrays in system and one mddevice is marked
with MD_DELETED and md_seq_next() is called in the middle of removal
then it _get()s proper device but it may _put() deleted one. As a result,
active counter may never be zeroed for mddevice and it cannot
be removed.

Put the device which has been _get with previous md_seq_next() call.

Cc: stable@vger.kernel.org
Fixes: 12a6caf273 ("md: only delete entries from all_mddevs when the disk is freed")
Reported-by: AceLan Kao <acelan@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217798
Cc: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230914152416.10819-1-mariusz.tkaczyk@linux.intel.com
 2023-09-14 10:13:11 -07:00
Nigel Croxon
df203da47f md/raid1: fix error: ISO C90 forbids mixed declarations 
There is a compile error when this commit is added:
md: raid1: fix potential OOB in raid1_remove_disk()

drivers/md/raid1.c: In function 'raid1_remove_disk':
drivers/md/raid1.c:1844:9: error: ISO C90 forbids mixed declarations
and code [-Werror=declaration-after-statement]
1844 |         struct raid1_info *p = conf->mirrors + number;
     |         ^~~~~~

That's because the new code was inserted before the struct.
The change is move the struct command above this commit.

Fixes: 8b0472b50b ("md: raid1: fix potential OOB in raid1_remove_disk()")
Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/46d929d0-2aab-4cf2-b2bf-338963e8ba5a@redhat.com
 2023-09-11 14:41:58 -07:00
Yu Kuai
99892147f0 md: fix warning for holder mismatch from export_rdev() 
Commit a1d7671910 ("md: use mddev->external to select holder in
export_rdev()") fix the problem that 'claim_rdev' is used for
blkdev_get_by_dev() while 'rdev' is used for blkdev_put().

However, if mddev->external is changed from 0 to 1, then 'rdev' is used
for blkdev_get_by_dev() while 'claim_rdev' is used for blkdev_put(). And
this problem can be reporduced reliably by following:

New file: mdadm/tests/23rdev-lifetime

devname=${dev0##*/}
devt=`cat /sys/block/$devname/dev`
pid=""
runtime=2

clean_up_test() {
        pill -9 $pid
        echo clear > /sys/block/md0/md/array_state
}

trap 'clean_up_test' EXIT

add_by_sysfs() {
        while true; do
                echo $devt > /sys/block/md0/md/new_dev
        done
}

remove_by_sysfs(){
        while true; do
                echo remove > /sys/block/md0/md/dev-${devname}/state
        done
}

echo md0 > /sys/module/md_mod/parameters/new_array || die "create md0 failed"

add_by_sysfs &
pid="$pid $!"

remove_by_sysfs &
pid="$pid $!"

sleep $runtime
exit 0

Test cmd:

./test --save-logs --logdir=/tmp/ --keep-going --dev=loop --tests=23rdev-lifetime

Test result:

------------[ cut here ]------------
WARNING: CPU: 0 PID: 960 at block/bdev.c:618 blkdev_put+0x27c/0x330
Modules linked in: multipath md_mod loop
CPU: 0 PID: 960 Comm: test Not tainted 6.5.0-rc2-00121-g01e55c376936-dirty #50
RIP: 0010:blkdev_put+0x27c/0x330
Call Trace:
 <TASK>
 export_rdev.isra.23+0x50/0xa0 [md_mod]
 mddev_unlock+0x19d/0x300 [md_mod]
 rdev_attr_store+0xec/0x190 [md_mod]
 sysfs_kf_write+0x52/0x70
 kernfs_fop_write_iter+0x19a/0x2a0
 vfs_write+0x3b5/0x770
 ksys_write+0x74/0x150
 __x64_sys_write+0x22/0x30
 do_syscall_64+0x40/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Fix the problem by recording if 'rdev' is used as holder.

Fixes: a1d7671910 ("md: use mddev->external to select holder in export_rdev()")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230825025532.1523008-3-yukuai1@huaweicloud.com
 2023-09-08 13:16:40 -07:00
Yu Kuai
7deac114be md: don't dereference mddev after export_rdev() 
Except for initial reference, mddev->kobject is referenced by
rdev->kobject, and if the last rdev is freed, there is no guarantee that
mddev is still valid. Hence mddev should not be used anymore after
export_rdev().

This problem can be triggered by following test for mdadm at very
low rate:

New file: mdadm/tests/23rdev-lifetime

devname=${dev0##*/}
devt=`cat /sys/block/$devname/dev`
pid=""
runtime=2

clean_up_test() {
        pill -9 $pid
        echo clear > /sys/block/md0/md/array_state
}

trap 'clean_up_test' EXIT

add_by_sysfs() {
        while true; do
                echo $devt > /sys/block/md0/md/new_dev
        done
}

remove_by_sysfs(){
        while true; do
                echo remove > /sys/block/md0/md/dev-${devname}/state
        done
}

echo md0 > /sys/module/md_mod/parameters/new_array || die "create md0 failed"

add_by_sysfs &
pid="$pid $!"

remove_by_sysfs &
pid="$pid $!"

sleep $runtime
exit 0

Test cmd:

./test --save-logs --logdir=/tmp/ --keep-going --dev=loop --tests=23rdev-lifetime

Test result:

general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6bcb: 0000 [#4] PREEMPT SMP
CPU: 0 PID: 1292 Comm: test Tainted: G      D W          6.5.0-rc2-00121-g01e55c376936 #562
RIP: 0010:md_wakeup_thread+0x9e/0x320 [md_mod]
Call Trace:
 <TASK>
 mddev_unlock+0x1b6/0x310 [md_mod]
 rdev_attr_store+0xec/0x190 [md_mod]
 sysfs_kf_write+0x52/0x70
 kernfs_fop_write_iter+0x19a/0x2a0
 vfs_write+0x3b5/0x770
 ksys_write+0x74/0x150
 __x64_sys_write+0x22/0x30
 do_syscall_64+0x40/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Fix this problem by don't dereference mddev after export_rdev().

Fixes: 3ce94ce5d0 ("md: fix duplicate filename for rdev")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230825025532.1523008-2-yukuai1@huaweicloud.com
 2023-09-08 13:16:10 -07:00
Christoph Böhmwalder
4b9c2edaf7 drbd: swap bvec_set_page len and offset 
bvec_set_page has the following signature:

static inline void bvec_set_page(struct bio_vec *bv, struct page *page,
		unsigned int len, unsigned int offset)

However, the usage in DRBD swaps the len and offset parameters. This
leads to a bvec with length=0 instead of the intended length=4096, which
causes sock_sendmsg to return -EIO.

This leaves DRBD unable to transmit any pages and thus completely
broken.

Swapping the parameters fixes the regression.

Fixes: eeac7405c7 ("drbd: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage()")
Reported-by: Serguei Ivantsov <manowar@gsc-game.com>
Link: https://lore.kernel.org/regressions/CAKH+VT3YLmAn0Y8=q37UTDShqxDLsqPcQ4hBMzY7HPn7zNx+RQ@mail.gmail.com/
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20230906133034.948817-1-christoph.boehmwalder@linbit.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-09-06 07:33:03 -06:00
Christoph Hellwig
5905afc2c7 block: fix pin count management when merging same-page segments 
There is no need to unpin the added page when adding it to the bio fails
as that is done by the loop below.  Instead we want to unpin it when adding
a single page to the bio more than once as bio_release_pages will only
unpin it once.

Fixes: d1916c86cc ("block: move same page handling from __bio_add_pc_page to the callers")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230905124731.328255-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-09-06 07:32:27 -06:00
Chengming Zhou
5a26e45edb null_blk: fix poll request timeout handling 
When doing io_uring benchmark on /dev/nullb0, it's easy to crash the
kernel if poll requests timeout triggered, as reported by David. [1]

BUG: kernel NULL pointer dereference, address: 0000000000000008
Workqueue: kblockd blk_mq_timeout_work
RIP: 0010:null_timeout_rq+0x4e/0x91
Call Trace:
 ? null_timeout_rq+0x4e/0x91
 blk_mq_handle_expired+0x31/0x4b
 bt_iter+0x68/0x84
 ? bt_tags_iter+0x81/0x81
 __sbitmap_for_each_set.constprop.0+0xb0/0xf2
 ? __blk_mq_complete_request_remote+0xf/0xf
 bt_for_each+0x46/0x64
 ? __blk_mq_complete_request_remote+0xf/0xf
 ? percpu_ref_get_many+0xc/0x2a
 blk_mq_queue_tag_busy_iter+0x14d/0x18e
 blk_mq_timeout_work+0x95/0x127
 process_one_work+0x185/0x263
 worker_thread+0x1b5/0x227

This is indeed a race problem between null_timeout_rq() and null_poll().

null_poll()				null_timeout_rq()
  spin_lock(&nq->poll_lock)
  list_splice_init(&nq->poll_list, &list)
  spin_unlock(&nq->poll_lock)

  while (!list_empty(&list))
    req = list_first_entry()
    list_del_init()
    ...
    blk_mq_add_to_batch()
    // req->rq_next = NULL
					spin_lock(&nq->poll_lock)

					// rq->queuelist->next == NULL
					list_del_init(&rq->queuelist)

					spin_unlock(&nq->poll_lock)

Fix these problems by setting requests state to MQ_RQ_COMPLETE under
nq->poll_lock protection, in which null_timeout_rq() can safely detect
this race and early return.

Note this patch just fix the kernel panic when request timeout happen.

[1] https://lore.kernel.org/all/3893581.1691785261@warthog.procyon.org.uk/

Fixes: 0a593fbbc2 ("null_blk: poll queue support")
Reported-by: David Howells <dhowells@redhat.com>
Tested-by: David Howells <dhowells@redhat.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Link: https://lore.kernel.org/r/20230901120306.170520-2-chengming.zhou@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-09-01 08:18:25 -06:00
Heiko Carstens
f7cf224246 s390/dasd: fix string length handling 
Building dasd_eckd.o with latest clang reveals this bug:

    CC      drivers/s390/block/dasd_eckd.o
      drivers/s390/block/dasd_eckd.c:1082:3: warning: 'snprintf' will always be truncated;
      specified size is 1, but format string expands to at least 11 [-Wfortify-source]
       1082 |                 snprintf(print_uid, sizeof(*print_uid),
            |                 ^
      drivers/s390/block/dasd_eckd.c:1087:3: warning: 'snprintf' will always be truncated;
      specified size is 1, but format string expands to at least 10 [-Wfortify-source]
       1087 |                 snprintf(print_uid, sizeof(*print_uid),
            |                 ^

Fix this by moving and using the existing UID_STRLEN for the arrays
that are being written to. Also rename UID_STRLEN to DASD_UID_STRLEN
to clarify its scope.

Fixes: 23596961b4 ("s390/dasd: split up dasd_eckd_read_conf")
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com> # build
Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://github.com/ClangBuiltLinux/linux/issues/1923
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20230828153142.2843753-2-hca@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-09-01 07:47:43 -06:00
Li Lingfeng
1a721de848 block: don't add or resize partition on the disk with GENHD_FL_NO_PART 
Commit a33df75c63 ("block: use an xarray for disk->part_tbl") remove
disk_expand_part_tbl() in add_partition(), which means all kinds of
devices will support extended dynamic `dev_t`.
However, some devices with GENHD_FL_NO_PART are not expected to add or
resize partition.
Fix this by adding check of GENHD_FL_NO_PART before add or resize
partition.

Fixes: a33df75c63 ("block: use an xarray for disk->part_tbl")
Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230831075900.1725842-1-lilingfeng@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-08-31 08:00:35 -06:00
Christoph Hellwig
0d997f1de8 block: remove the call to file_remove_privs in blkdev_write_iter 
file_remove_privs instantly returns 0 when not called for regular files,
so don't bother.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20230831121911.280155-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-08-31 08:00:23 -06:00
Yu Kuai
eead005664 blk-throttle: consider 'carryover_ios/bytes' in throtl_trim_slice() 
Currently, 'carryover_ios/bytes' is not handled in throtl_trim_slice(),
for consequence, 'carryover_ios/bytes' will be used to throttle bio
multiple times, for example:

1) set iops limit to 100, and slice start is 0, slice end is 100ms;
2) current time is 0, and 10 ios are dispatched, those io won't be
   throttled and io_disp is 10;
3) still at current time 0, update iops limit to 1000, carryover_ios is
   updated to (0 - 10) = -10;
4) in this slice(0 - 100ms), io_allowed = 100 + (-10) = 90, which means
   only 90 ios can be dispatched without waiting;
5) assume that io is throttled in slice(0 - 100ms), and
   throtl_trim_slice() update silce to (100ms - 200ms). In this case,
   'carryover_ios/bytes' is not cleared and still only 90 ios can be
   dispatched between 100ms - 200ms.

Fix this problem by updating 'carryover_ios/bytes' in
throtl_trim_slice().

Fixes: a880ae93e5 ("blk-throttle: fix io hung due to configuration updates")
Reported-by: zhuxiaohui <zhuxiaohui.400@bytedance.com>
Link: https://lore.kernel.org/all/20230812072116.42321-1-zhuxiaohui.400@bytedance.com/
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230816012708.1193747-5-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-08-30 10:15:01 -06:00
Yu Kuai
e8368b57c0 blk-throttle: use calculate_io/bytes_allowed() for throtl_trim_slice() 
There are no functional changes, just make the code cleaner.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230816012708.1193747-4-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-08-30 10:15:01 -06:00
Yu Kuai
bb8d5587bd blk-throttle: fix wrong comparation while 'carryover_ios/bytes' is negative 
carryover_ios/bytes[] can be negative in the case that ios are
dispatched in the slice in advance, and then configuration is updated.
For example:

1) set iops limit to 1000, and slice start is 0, slice end is 100ms;
2) current time is 0, and 100 ios are dispatched, those ios will not be
   throttled, hence io_disp is 100;
3) still at current time 0, update iops limit to 100, then carryover_ios
   is (0 - 100) = -100;
4) then, dispatch a new io at time 0, the expected result is that this
   io will wait for 1s. The calculation in tg_within_iops_limit:

   io_disp = 0;
   io_allowed = calculate_io_allowed + carryover_ios
	      = 10 + (-100) = -90;
   io won't be throttled if (io_disp + 1 < io_allowed) passed.

Before this patch, in step 4) (io_disp + 1 < io_allowed) is passed,
because -90 for unsigned value is very huge, and such io won't be
throttled.

Fix this problem by checking if 'io/bytes_allowed' is negative first.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230816012708.1193747-3-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-08-30 10:15:01 -06:00
Yu Kuai
ef100397fa blk-throttle: print signed value 'carryover_bytes/ios' for user 
'carryover_bytes/ios' can be negative, indicate that some bio is
dispatched in advance within slice while configuration is updated.
Print a huge value is not user-friendly.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230816012708.1193747-2-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2023-08-30 10:15:01 -06:00
Linus Torvalds
6c1b980a7e dma-maping updates for Linux 6.6 
- allow dynamic sizing of the swiotlb buffer, to cater for secure
    virtualization workloads that require all I/O to be bounce buffered
    (Petr Tesarik)
  - move a declaration to a header (Arnd Bergmann)
  - check for memory region overlap in dma-contiguous (Binglei Wang)
  - remove the somewhat dangerous runtime swiotlb-xen enablement and
    unexport is_swiotlb_active (Christoph Hellwig, Juergen Gross)
  - per-node CMA improvements (Yajun Deng)
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Merge tag 'dma-mapping-6.6-2023-08-29' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-maping updates from Christoph Hellwig:

 - allow dynamic sizing of the swiotlb buffer, to cater for secure
   virtualization workloads that require all I/O to be bounce buffered
   (Petr Tesarik)

 - move a declaration to a header (Arnd Bergmann)

 - check for memory region overlap in dma-contiguous (Binglei Wang)

 - remove the somewhat dangerous runtime swiotlb-xen enablement and
   unexport is_swiotlb_active (Christoph Hellwig, Juergen Gross)

 - per-node CMA improvements (Yajun Deng)

* tag 'dma-mapping-6.6-2023-08-29' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: optimize get_max_slots()
  swiotlb: move slot allocation explanation comment where it belongs
  swiotlb: search the software IO TLB only if the device makes use of it
  swiotlb: allocate a new memory pool when existing pools are full
  swiotlb: determine potential physical address limit
  swiotlb: if swiotlb is full, fall back to a transient memory pool
  swiotlb: add a flag whether SWIOTLB is allowed to grow
  swiotlb: separate memory pool data from other allocator data
  swiotlb: add documentation and rename swiotlb_do_find_slots()
  swiotlb: make io_tlb_default_mem local to swiotlb.c
  swiotlb: bail out of swiotlb_init_late() if swiotlb is already allocated
  dma-contiguous: check for memory region overlap
  dma-contiguous: support numa CMA for specified node
  dma-contiguous: support per-numa CMA for all architectures
  dma-mapping: move arch_dma_set_mask() declaration to header
  swiotlb: unexport is_swiotlb_active
  x86: always initialize xen-swiotlb when xen-pcifront is enabling
  xen/pci: add flag for PCI passthrough being possible
 2023-08-29 20:32:10 -07:00
Linus Torvalds
3d3dfeb3ae for-6.6/block-2023-08-28 
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Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:
 "Pretty quiet round for this release. This contains:

   - Add support for zoned storage to ublk (Andreas, Ming)

   - Series improving performance for drivers that mark themselves as
     needing a blocking context for issue (Bart)

   - Cleanup the flush logic (Chengming)

   - sed opal keyring support (Greg)

   - Fixes and improvements to the integrity support (Jinyoung)

   - Add some exports for bcachefs that we can hopefully delete again in
     the future (Kent)

   - deadline throttling fix (Zhiguo)

   - Series allowing building the kernel without buffer_head support
     (Christoph)

   - Sanitize the bio page adding flow (Christoph)

   - Write back cache fixes (Christoph)

   - MD updates via Song:
      - Fix perf regression for raid0 large sequential writes (Jan)
      - Fix split bio iostat for raid0 (David)
      - Various raid1 fixes (Heinz, Xueshi)
      - raid6test build fixes (WANG)
      - Deprecate bitmap file support (Christoph)
      - Fix deadlock with md sync thread (Yu)
      - Refactor md io accounting (Yu)
      - Various non-urgent fixes (Li, Yu, Jack)

   - Various fixes and cleanups (Arnd, Azeem, Chengming, Damien, Li,
     Ming, Nitesh, Ruan, Tejun, Thomas, Xu)"

* tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux: (113 commits)
  block: use strscpy() to instead of strncpy()
  block: sed-opal: keyring support for SED keys
  block: sed-opal: Implement IOC_OPAL_REVERT_LSP
  block: sed-opal: Implement IOC_OPAL_DISCOVERY
  blk-mq: prealloc tags when increase tagset nr_hw_queues
  blk-mq: delete redundant tagset map update when fallback
  blk-mq: fix tags leak when shrink nr_hw_queues
  ublk: zoned: support REQ_OP_ZONE_RESET_ALL
  md: raid0: account for split bio in iostat accounting
  md/raid0: Fix performance regression for large sequential writes
  md/raid0: Factor out helper for mapping and submitting a bio
  md raid1: allow writebehind to work on any leg device set WriteMostly
  md/raid1: hold the barrier until handle_read_error() finishes
  md/raid1: free the r1bio before waiting for blocked rdev
  md/raid1: call free_r1bio() before allow_barrier() in raid_end_bio_io()
  blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init
  drivers/rnbd: restore sysfs interface to rnbd-client
  md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()
  raid6: test: only check for Altivec if building on powerpc hosts
  raid6: test: make sure all intermediate and artifact files are .gitignored
  ...
 2023-08-29 20:21:42 -07:00
Linus Torvalds
c1b7fcf3f6 for-6.6/io_uring-2023-08-28 
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Merge tag 'for-6.6/io_uring-2023-08-28' of git://git.kernel.dk/linux

Pull io_uring updates from Jens Axboe:
 "Fairly quiet round in terms of features, mostly just improvements all
  over the map for existing code. In detail:

   - Initial support for socket operations through io_uring. Latter half
     of this will likely land with the 6.7 kernel, then allowing things
     like get/setsockopt (Breno)

   - Cleanup of the cancel code, and then adding support for canceling
     requests with the opcode as the key (me)

   - Improvements for the io-wq locking (me)

   - Fix affinity setting for SQPOLL based io-wq (me)

   - Remove the io_uring userspace code. These were added initially as
     copies from liburing, but all of them have since bitrotted and are
     way out of date at this point. Rather than attempt to keep them in
     sync, just get rid of them. People will have liburing available
     anyway for these examples. (Pavel)

   - Series improving the CQ/SQ ring caching (Pavel)

   - Misc fixes and cleanups (Pavel, Yue, me)"

* tag 'for-6.6/io_uring-2023-08-28' of git://git.kernel.dk/linux: (47 commits)
  io_uring: move iopoll ctx fields around
  io_uring: move multishot cqe cache in ctx
  io_uring: separate task_work/waiting cache line
  io_uring: banish non-hot data to end of io_ring_ctx
  io_uring: move non aligned field to the end
  io_uring: add option to remove SQ indirection
  io_uring: compact SQ/CQ heads/tails
  io_uring: force inline io_fill_cqe_req
  io_uring: merge iopoll and normal completion paths
  io_uring: reorder cqring_flush and wakeups
  io_uring: optimise extra io_get_cqe null check
  io_uring: refactor __io_get_cqe()
  io_uring: simplify big_cqe handling
  io_uring: cqe init hardening
  io_uring: improve cqe !tracing hot path
  io_uring/rsrc: Annotate struct io_mapped_ubuf with __counted_by
  io_uring/sqpoll: fix io-wq affinity when IORING_SETUP_SQPOLL is used
  io_uring: simplify io_run_task_work_sig return
  io_uring/rsrc: keep one global dummy_ubuf
  io_uring: never overflow io_aux_cqe
  ...
 2023-08-29 20:11:33 -07:00
Linus Torvalds
adfd671676 sysctl-6.6-rc1 
Long ago we set out to remove the kitchen sink on kernel/sysctl.c arrays and
 placings sysctls to their own sybsystem or file to help avoid merge conflicts.
 Matthew Wilcox pointed out though that if we're going to do that we might as
 well also *save* space while at it and try to remove the extra last sysctl
 entry added at the end of each array, a sentintel, instead of bloating the
 kernel by adding a new sentinel with each array moved.
 
 Doing that was not so trivial, and has required slowing down the moves of
 kernel/sysctl.c arrays and measuring the impact on size by each new move.
 
 The complex part of the effort to help reduce the size of each sysctl is being
 done by the patient work of el señor Don Joel Granados. A lot of this is truly
 painful code refactoring and testing and then trying to measure the savings of
 each move and removing the sentinels. Although Joel already has code which does
 most of this work, experience with sysctl moves in the past shows is we need to
 be careful due to the slew of odd build failures that are possible due to the
 amount of random Kconfig options sysctls use.
 
 To that end Joel's work is split by first addressing the major housekeeping
 needed to remove the sentinels, which is part of this merge request. The rest
 of the work to actually remove the sentinels will be done later in future
 kernel releases.
 
 At first I was only going to send his first 7 patches of his patch series,
 posted 1 month ago, but in retrospect due to the testing the changes have
 received in linux-next and the minor changes they make this goes with the
 entire set of patches Joel had planned: just sysctl house keeping. There are
 networking changes but these are part of the house keeping too.
 
 The preliminary math is showing this will all help reduce the overall build
 time size of the kernel and run time memory consumed by the kernel by about
 ~64 bytes per array where we are able to remove each sentinel in the future.
 That also means there is no more bloating the kernel with the extra ~64 bytes
 per array moved as no new sentinels are created.
 
 Most of this has been in linux-next for about a month, the last 7 patches took
 a minor refresh 2 week ago based on feedback.
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Merge tag 'sysctl-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull sysctl updates from Luis Chamberlain:
 "Long ago we set out to remove the kitchen sink on kernel/sysctl.c
  arrays and placings sysctls to their own sybsystem or file to help
  avoid merge conflicts. Matthew Wilcox pointed out though that if we're
  going to do that we might as well also *save* space while at it and
  try to remove the extra last sysctl entry added at the end of each
  array, a sentintel, instead of bloating the kernel by adding a new
  sentinel with each array moved.

  Doing that was not so trivial, and has required slowing down the moves
  of kernel/sysctl.c arrays and measuring the impact on size by each new
  move.

  The complex part of the effort to help reduce the size of each sysctl
  is being done by the patient work of el señor Don Joel Granados. A lot
  of this is truly painful code refactoring and testing and then trying
  to measure the savings of each move and removing the sentinels.
  Although Joel already has code which does most of this work,
  experience with sysctl moves in the past shows is we need to be
  careful due to the slew of odd build failures that are possible due to
  the amount of random Kconfig options sysctls use.

  To that end Joel's work is split by first addressing the major
  housekeeping needed to remove the sentinels, which is part of this
  merge request. The rest of the work to actually remove the sentinels
  will be done later in future kernel releases.

  The preliminary math is showing this will all help reduce the overall
  build time size of the kernel and run time memory consumed by the
  kernel by about ~64 bytes per array where we are able to remove each
  sentinel in the future. That also means there is no more bloating the
  kernel with the extra ~64 bytes per array moved as no new sentinels
  are created"

* tag 'sysctl-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  sysctl: Use ctl_table_size as stopping criteria for list macro
  sysctl: SIZE_MAX->ARRAY_SIZE in register_net_sysctl
  vrf: Update to register_net_sysctl_sz
  networking: Update to register_net_sysctl_sz
  netfilter: Update to register_net_sysctl_sz
  ax.25: Update to register_net_sysctl_sz
  sysctl: Add size to register_net_sysctl function
  sysctl: Add size arg to __register_sysctl_init
  sysctl: Add size to register_sysctl
  sysctl: Add a size arg to __register_sysctl_table
  sysctl: Add size argument to init_header
  sysctl: Add ctl_table_size to ctl_table_header
  sysctl: Use ctl_table_header in list_for_each_table_entry
  sysctl: Prefer ctl_table_header in proc_sysctl
 2023-08-29 17:39:15 -07:00
Linus Torvalds
daa22f5a78 Modules changes for v6.6-rc1 
Summary of the changes worth highlighting from most interesting to boring below:
 
   * Christoph Hellwig's symbol_get() fix to Nvidia's efforts to circumvent the
     protection he put in place in year 2020 to prevent proprietary modules from
     using GPL only symbols, and also ensuring proprietary modules which export
     symbols grandfather their taint. That was done through year 2020 commit
     262e6ae708 ("modules: inherit TAINT_PROPRIETARY_MODULE"). Christoph's new
     fix is done by clarifing __symbol_get() was only ever intended to prevent
     module reference loops by Linux kernel modules and so making it only find
     symbols exported via EXPORT_SYMBOL_GPL(). The circumvention tactic used
     by Nvidia was to use symbol_get() to purposely swift through proprietary
     module symbols and completley bypass our traditional EXPORT_SYMBOL*()
     annotations and community agreed upon restrictions.
 
     A small set of preamble patches fix up a few symbols which just needed
     adjusting for this on two modules, the rtc ds1685 and the networking enetc
     module. Two other modules just needed some build fixing and removal of use
     of __symbol_get() as they can't ever be modular, as was done by Arnd on
     the ARM pxa module and Christoph did on the mmc au1xmmc driver.
 
     This is a good reminder to us that symbol_get() is just a hack to address
     things which should be fixed through Kconfig at build time as was done in
     the later patches, and so ultimately it should just go.
 
   * Extremely late minor fix for old module layout 055f23b74b ("module: check
     for exit sections in layout_sections() instead of module_init_section()") by
     James Morse for arm64. Note that this layout thing is old, it is *not*
     Song Liu's commit ac3b432839 ("module: replace module_layout with
     module_memory"). The issue however is very odd to run into and so there was
     no hurry to get this in fast.
 
   * Although the fix did not go through the modules tree I'd like to highlight
     the fix by Peter Zijlstra in commit 5409730962 ("x86/static_call: Fix
     __static_call_fixup()") now merged in your tree which came out of what
     was originally suspected to be a fallout of the the newer module layout
     changes by Song Liu commit ac3b432839 ("module: replace module_layout
     with module_memory") instead of module_init_section()"). Thanks to the report
     by Christian Bricart and the debugging by Song Liu & Peter that turned to
     be noted as a kernel regression in place since v5.19 through commit
     ee88d363d1 ("x86,static_call: Use alternative RET encoding").
 
     I highlight this to reflect and clarify that we haven't seen more fallout
     from ac3b432839 ("module: replace module_layout with module_memory").
 
   * RISC-V toolchain got mapping symbol support which prefix symbols with "$"
     to help with alignment considerations for disassembly. This is used to
     differentiate between incompatible instruction encodings when disassembling.
     RISC-V just matches what ARM/AARCH64 did for alignment considerations and
     Palmer Dabbelt extended is_mapping_symbol() to accept these symbols for
     RISC-V. We already had support for this for all architectures but it also
     checked for the second character, the RISC-V check Dabbelt added was just
     for the "$". After a bit of testing and fallout on linux-next and based on
     feedback from Masahiro Yamada it was decided to simplify the check and treat
     the first char "$" as unique for all architectures, and so we no make
     is_mapping_symbol() for all archs if the symbol starts with "$".
 
     The most relevant commit for this for RISC-V on binutils was:
 
     https://sourceware.org/pipermail/binutils/2021-July/117350.html
 
   * A late fix by Andrea Righi (today) to make module zstd decompression use
     vmalloc() instead of kmalloc() to account for large compressed modules. I
     suspect we'll see similar things for other decompression algorithms soon.
 
   * samples/hw_breakpoint minor fixes by Rong Tao, Arnd Bergmann and Chen Jiahao
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Merge tag 'modules-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull modules updates from Luis Chamberlain:
 "Summary of the changes worth highlighting from most interesting to
  boring below:

   - Christoph Hellwig's symbol_get() fix to Nvidia's efforts to
     circumvent the protection he put in place in year 2020 to prevent
     proprietary modules from using GPL only symbols, and also ensuring
     proprietary modules which export symbols grandfather their taint.

     That was done through year 2020 commit 262e6ae708 ("modules:
     inherit TAINT_PROPRIETARY_MODULE"). Christoph's new fix is done by
     clarifing __symbol_get() was only ever intended to prevent module
     reference loops by Linux kernel modules and so making it only find
     symbols exported via EXPORT_SYMBOL_GPL(). The circumvention tactic
     used by Nvidia was to use symbol_get() to purposely swift through
     proprietary module symbols and completely bypass our traditional
     EXPORT_SYMBOL*() annotations and community agreed upon
     restrictions.

     A small set of preamble patches fix up a few symbols which just
     needed adjusting for this on two modules, the rtc ds1685 and the
     networking enetc module. Two other modules just needed some build
     fixing and removal of use of __symbol_get() as they can't ever be
     modular, as was done by Arnd on the ARM pxa module and Christoph
     did on the mmc au1xmmc driver.

     This is a good reminder to us that symbol_get() is just a hack to
     address things which should be fixed through Kconfig at build time
     as was done in the later patches, and so ultimately it should just
     go.

   - Extremely late minor fix for old module layout 055f23b74b
     ("module: check for exit sections in layout_sections() instead of
     module_init_section()") by James Morse for arm64. Note that this
     layout thing is old, it is *not* Song Liu's commit ac3b432839
     ("module: replace module_layout with module_memory"). The issue
     however is very odd to run into and so there was no hurry to get
     this in fast.

   - Although the fix did not go through the modules tree I'd like to
     highlight the fix by Peter Zijlstra in commit 5409730962
     ("x86/static_call: Fix __static_call_fixup()") now merged in your
     tree which came out of what was originally suspected to be a
     fallout of the the newer module layout changes by Song Liu commit
     ac3b432839 ("module: replace module_layout with module_memory")
     instead of module_init_section()"). Thanks to the report by
     Christian Bricart and the debugging by Song Liu & Peter that turned
     to be noted as a kernel regression in place since v5.19 through
     commit ee88d363d1 ("x86,static_call: Use alternative RET
     encoding").

     I highlight this to reflect and clarify that we haven't seen more
     fallout from ac3b432839 ("module: replace module_layout with
     module_memory").

   - RISC-V toolchain got mapping symbol support which prefix symbols
     with "$" to help with alignment considerations for disassembly.

     This is used to differentiate between incompatible instruction
     encodings when disassembling. RISC-V just matches what ARM/AARCH64
     did for alignment considerations and Palmer Dabbelt extended
     is_mapping_symbol() to accept these symbols for RISC-V. We already
     had support for this for all architectures but it also checked for
     the second character, the RISC-V check Dabbelt added was just for
     the "$". After a bit of testing and fallout on linux-next and based
     on feedback from Masahiro Yamada it was decided to simplify the
     check and treat the first char "$" as unique for all architectures,
     and so we no make is_mapping_symbol() for all archs if the symbol
     starts with "$".

     The most relevant commit for this for RISC-V on binutils was:

       https://sourceware.org/pipermail/binutils/2021-July/117350.html

   - A late fix by Andrea Righi (today) to make module zstd
     decompression use vmalloc() instead of kmalloc() to account for
     large compressed modules. I suspect we'll see similar things for
     other decompression algorithms soon.

   - samples/hw_breakpoint minor fixes by Rong Tao, Arnd Bergmann and
     Chen Jiahao"

* tag 'modules-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  module/decompress: use vmalloc() for zstd decompression workspace
  kallsyms: Add more debug output for selftest
  ARM: module: Use module_init_layout_section() to spot init sections
  arm64: module: Use module_init_layout_section() to spot init sections
  module: Expose module_init_layout_section()
  modules: only allow symbol_get of EXPORT_SYMBOL_GPL modules
  rtc: ds1685: use EXPORT_SYMBOL_GPL for ds1685_rtc_poweroff
  net: enetc: use EXPORT_SYMBOL_GPL for enetc_phc_index
  mmc: au1xmmc: force non-modular build and remove symbol_get usage
  ARM: pxa: remove use of symbol_get()
  samples/hw_breakpoint: mark sample_hbp as static
  samples/hw_breakpoint: fix building without module unloading
  samples/hw_breakpoint: Fix kernel BUG 'invalid opcode: 0000'
  modpost, kallsyms: Treat add '$'-prefixed symbols as mapping symbols
  kernel: params: Remove unnecessary ‘0’ values from err
  module: Ignore RISC-V mapping symbols too
 2023-08-29 17:32:32 -07:00
Linus Torvalds
d68b4b6f30 - An extensive rework of kexec and crash Kconfig from Eric DeVolder 
("refactor Kconfig to consolidate KEXEC and CRASH options").
 
 - kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
   couple of macros to args.h").
 
 - gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
   commands").
 
 - vsprintf inclusion rationalization from Andy Shevchenko
   ("lib/vsprintf: Rework header inclusions").
 
 - Switch the handling of kdump from a udev scheme to in-kernel handling,
   by Eric DeVolder ("crash: Kernel handling of CPU and memory hot
   un/plug").
 
 - Many singleton patches to various parts of the tree
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Merge tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - An extensive rework of kexec and crash Kconfig from Eric DeVolder
   ("refactor Kconfig to consolidate KEXEC and CRASH options")

 - kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
   couple of macros to args.h")

 - gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
   commands")

 - vsprintf inclusion rationalization from Andy Shevchenko
   ("lib/vsprintf: Rework header inclusions")

 - Switch the handling of kdump from a udev scheme to in-kernel
   handling, by Eric DeVolder ("crash: Kernel handling of CPU and memory
   hot un/plug")

 - Many singleton patches to various parts of the tree

* tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (81 commits)
  document while_each_thread(), change first_tid() to use for_each_thread()
  drivers/char/mem.c: shrink character device's devlist[] array
  x86/crash: optimize CPU changes
  crash: change crash_prepare_elf64_headers() to for_each_possible_cpu()
  crash: hotplug support for kexec_load()
  x86/crash: add x86 crash hotplug support
  crash: memory and CPU hotplug sysfs attributes
  kexec: exclude elfcorehdr from the segment digest
  crash: add generic infrastructure for crash hotplug support
  crash: move a few code bits to setup support of crash hotplug
  kstrtox: consistently use _tolower()
  kill do_each_thread()
  nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer reuse
  scripts/bloat-o-meter: count weak symbol sizes
  treewide: drop CONFIG_EMBEDDED
  lockdep: fix static memory detection even more
  lib/vsprintf: declare no_hash_pointers in sprintf.h
  lib/vsprintf: split out sprintf() and friends
  kernel/fork: stop playing lockless games for exe_file replacement
  adfs: delete unused "union adfs_dirtail" definition
  ...
 2023-08-29 14:53:51 -07:00
Linus Torvalds
b96a3e9142 - Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list") 
- Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
   reduces the special-case code for handling hugetlb pages in GUP.  It
   also speeds up GUP handling of transparent hugepages.
 
 - Peng Zhang provides some maple tree speedups ("Optimize the fast path
   of mas_store()").
 
 - Sergey Senozhatsky has improved te performance of zsmalloc during
   compaction (zsmalloc: small compaction improvements").
 
 - Domenico Cerasuolo has developed additional selftest code for zswap
   ("selftests: cgroup: add zswap test program").
 
 - xu xin has doe some work on KSM's handling of zero pages.  These
   changes are mainly to enable the user to better understand the
   effectiveness of KSM's treatment of zero pages ("ksm: support tracking
   KSM-placed zero-pages").
 
 - Jeff Xu has fixes the behaviour of memfd's
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").
 
 - David Howells has fixed an fscache optimization ("mm, netfs, fscache:
   Stop read optimisation when folio removed from pagecache").
 
 - Axel Rasmussen has given userfaultfd the ability to simulate memory
   poisoning ("add UFFDIO_POISON to simulate memory poisoning with UFFD").
 
 - Miaohe Lin has contributed some routine maintenance work on the
   memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
   check").
 
 - Peng Zhang has contributed some maintenance work on the maple tree
   code ("Improve the validation for maple tree and some cleanup").
 
 - Hugh Dickins has optimized the collapsing of shmem or file pages into
   THPs ("mm: free retracted page table by RCU").
 
 - Jiaqi Yan has a patch series which permits us to use the healthy
   subpages within a hardware poisoned huge page for general purposes
   ("Improve hugetlbfs read on HWPOISON hugepages").
 
 - Kemeng Shi has done some maintenance work on the pagetable-check code
   ("Remove unused parameters in page_table_check").
 
 - More folioification work from Matthew Wilcox ("More filesystem folio
   conversions for 6.6"), ("Followup folio conversions for zswap").  And
   from ZhangPeng ("Convert several functions in page_io.c to use a
   folio").
 
 - page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").
 
 - Baoquan He has converted some architectures to use the GENERIC_IOREMAP
   ioremap()/iounmap() code ("mm: ioremap: Convert architectures to take
   GENERIC_IOREMAP way").
 
 - Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
   batched/deferred tlb shootdown during page reclamation/migration").
 
 - Better maple tree lockdep checking from Liam Howlett ("More strict
   maple tree lockdep").  Liam also developed some efficiency improvements
   ("Reduce preallocations for maple tree").
 
 - Cleanup and optimization to the secondary IOMMU TLB invalidation, from
   Alistair Popple ("Invalidate secondary IOMMU TLB on permission
   upgrade").
 
 - Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
   for arm64").
 
 - Kemeng Shi provides some maintenance work on the compaction code ("Two
   minor cleanups for compaction").
 
 - Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle most
   file-backed faults under the VMA lock").
 
 - Aneesh Kumar contributes code to use the vmemmap optimization for DAX
   on ppc64, under some circumstances ("Add support for DAX vmemmap
   optimization for ppc64").
 
 - page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
   data in page_ext"), ("minor cleanups to page_ext header").
 
 - Some zswap cleanups from Johannes Weiner ("mm: zswap: three
   cleanups").
 
 - kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").
 
 - VMA handling cleanups from Kefeng Wang ("mm: convert to
   vma_is_initial_heap/stack()").
 
 - DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
   implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
   address ranges and DAMON monitoring targets").
 
 - Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").
 
 - Liam Howlett has improved the maple tree node replacement code
   ("maple_tree: Change replacement strategy").
 
 - ZhangPeng has a general code cleanup - use the K() macro more widely
   ("cleanup with helper macro K()").
 
 - Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for memmap
   on memory feature on ppc64").
 
 - pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
   in page_alloc"), ("Two minor cleanups for get pageblock migratetype").
 
 - Vishal Moola introduces a memory descriptor for page table tracking,
   "struct ptdesc" ("Split ptdesc from struct page").
 
 - memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
   for vm.memfd_noexec").
 
 - MM include file rationalization from Hugh Dickins ("arch: include
   asm/cacheflush.h in asm/hugetlb.h").
 
 - THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
   output").
 
 - kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
   object_cache instead of kmemleak_initialized").
 
 - More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
   and _folio_order").
 
 - A VMA locking scalability improvement from Suren Baghdasaryan
   ("Per-VMA lock support for swap and userfaults").
 
 - pagetable handling cleanups from Matthew Wilcox ("New page table range
   API").
 
 - A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
   using page->private on tail pages for THP_SWAP + cleanups").
 
 - Cleanups and speedups to the hugetlb fault handling from Matthew
   Wilcox ("Change calling convention for ->huge_fault").
 
 - Matthew Wilcox has also done some maintenance work on the MM subsystem
   documentation ("Improve mm documentation").
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Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Some swap cleanups from Ma Wupeng ("fix WARN_ON in
   add_to_avail_list")

 - Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
   reduces the special-case code for handling hugetlb pages in GUP. It
   also speeds up GUP handling of transparent hugepages.

 - Peng Zhang provides some maple tree speedups ("Optimize the fast path
   of mas_store()").

 - Sergey Senozhatsky has improved te performance of zsmalloc during
   compaction (zsmalloc: small compaction improvements").

 - Domenico Cerasuolo has developed additional selftest code for zswap
   ("selftests: cgroup: add zswap test program").

 - xu xin has doe some work on KSM's handling of zero pages. These
   changes are mainly to enable the user to better understand the
   effectiveness of KSM's treatment of zero pages ("ksm: support
   tracking KSM-placed zero-pages").

 - Jeff Xu has fixes the behaviour of memfd's
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").

 - David Howells has fixed an fscache optimization ("mm, netfs, fscache:
   Stop read optimisation when folio removed from pagecache").

 - Axel Rasmussen has given userfaultfd the ability to simulate memory
   poisoning ("add UFFDIO_POISON to simulate memory poisoning with
   UFFD").

 - Miaohe Lin has contributed some routine maintenance work on the
   memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
   check").

 - Peng Zhang has contributed some maintenance work on the maple tree
   code ("Improve the validation for maple tree and some cleanup").

 - Hugh Dickins has optimized the collapsing of shmem or file pages into
   THPs ("mm: free retracted page table by RCU").

 - Jiaqi Yan has a patch series which permits us to use the healthy
   subpages within a hardware poisoned huge page for general purposes
   ("Improve hugetlbfs read on HWPOISON hugepages").

 - Kemeng Shi has done some maintenance work on the pagetable-check code
   ("Remove unused parameters in page_table_check").

 - More folioification work from Matthew Wilcox ("More filesystem folio
   conversions for 6.6"), ("Followup folio conversions for zswap"). And
   from ZhangPeng ("Convert several functions in page_io.c to use a
   folio").

 - page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").

 - Baoquan He has converted some architectures to use the
   GENERIC_IOREMAP ioremap()/iounmap() code ("mm: ioremap: Convert
   architectures to take GENERIC_IOREMAP way").

 - Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
   batched/deferred tlb shootdown during page reclamation/migration").

 - Better maple tree lockdep checking from Liam Howlett ("More strict
   maple tree lockdep"). Liam also developed some efficiency
   improvements ("Reduce preallocations for maple tree").

 - Cleanup and optimization to the secondary IOMMU TLB invalidation,
   from Alistair Popple ("Invalidate secondary IOMMU TLB on permission
   upgrade").

 - Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
   for arm64").

 - Kemeng Shi provides some maintenance work on the compaction code
   ("Two minor cleanups for compaction").

 - Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle
   most file-backed faults under the VMA lock").

 - Aneesh Kumar contributes code to use the vmemmap optimization for DAX
   on ppc64, under some circumstances ("Add support for DAX vmemmap
   optimization for ppc64").

 - page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
   data in page_ext"), ("minor cleanups to page_ext header").

 - Some zswap cleanups from Johannes Weiner ("mm: zswap: three
   cleanups").

 - kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").

 - VMA handling cleanups from Kefeng Wang ("mm: convert to
   vma_is_initial_heap/stack()").

 - DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
   implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
   address ranges and DAMON monitoring targets").

 - Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").

 - Liam Howlett has improved the maple tree node replacement code
   ("maple_tree: Change replacement strategy").

 - ZhangPeng has a general code cleanup - use the K() macro more widely
   ("cleanup with helper macro K()").

 - Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for
   memmap on memory feature on ppc64").

 - pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
   in page_alloc"), ("Two minor cleanups for get pageblock
   migratetype").

 - Vishal Moola introduces a memory descriptor for page table tracking,
   "struct ptdesc" ("Split ptdesc from struct page").

 - memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
   for vm.memfd_noexec").

 - MM include file rationalization from Hugh Dickins ("arch: include
   asm/cacheflush.h in asm/hugetlb.h").

 - THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
   output").

 - kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
   object_cache instead of kmemleak_initialized").

 - More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
   and _folio_order").

 - A VMA locking scalability improvement from Suren Baghdasaryan
   ("Per-VMA lock support for swap and userfaults").

 - pagetable handling cleanups from Matthew Wilcox ("New page table
   range API").

 - A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
   using page->private on tail pages for THP_SWAP + cleanups").

 - Cleanups and speedups to the hugetlb fault handling from Matthew
   Wilcox ("Change calling convention for ->huge_fault").

 - Matthew Wilcox has also done some maintenance work on the MM
   subsystem documentation ("Improve mm documentation").

* tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (489 commits)
  maple_tree: shrink struct maple_tree
  maple_tree: clean up mas_wr_append()
  secretmem: convert page_is_secretmem() to folio_is_secretmem()
  nios2: fix flush_dcache_page() for usage from irq context
  hugetlb: add documentation for vma_kernel_pagesize()
  mm: add orphaned kernel-doc to the rst files.
  mm: fix clean_record_shared_mapping_range kernel-doc
  mm: fix get_mctgt_type() kernel-doc
  mm: fix kernel-doc warning from tlb_flush_rmaps()
  mm: remove enum page_entry_size
  mm: allow ->huge_fault() to be called without the mmap_lock held
  mm: move PMD_ORDER to pgtable.h
  mm: remove checks for pte_index
  memcg: remove duplication detection for mem_cgroup_uncharge_swap
  mm/huge_memory: work on folio->swap instead of page->private when splitting folio
  mm/swap: inline folio_set_swap_entry() and folio_swap_entry()
  mm/swap: use dedicated entry for swap in folio
  mm/swap: stop using page->private on tail pages for THP_SWAP
  selftests/mm: fix WARNING comparing pointer to 0
  selftests: cgroup: fix test_kmem_memcg_deletion kernel mem check
  ...
 2023-08-29 14:25:26 -07:00
Linus Torvalds
651a00bc56 slab updates for 6.6 
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Merge tag 'slab-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab updates from Vlastimil Babka:
 "This happens to be a small one (due to summer I guess), and all
  hardening related:

   - Randomized kmalloc caches, by GONG, Ruiqi.

     A new opt-in hardening feature to make heap spraying harder. It
     creates multiple (16) copies of kmalloc caches, reducing the chance
     of an attacker-controllable allocation site to land in the same
     slab as e.g. an allocation site with use-after-free vulnerability.

     The selection of the copy is derived from the allocation site
     address, including a per-boot random seed.

   - Stronger typing for hardened freelists in SLUB, by Jann Horn

     Introduces a custom type for hardened freelist entries instead of
     "void *" as those are not directly dereferencable. While reviewing
     this, I've noticed opportunities for further cleanups in that code
     and added those on top"

* tag 'slab-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  Randomized slab caches for kmalloc()
  mm/slub: remove freelist_dereference()
  mm/slub: remove redundant kasan_reset_tag() from freelist_ptr calculations
  mm/slub: refactor freelist to use custom type
 2023-08-29 13:04:15 -07:00
Linus Torvalds
9d6b14cd1e flexible-array transformations for 6.6-rc1 
Hi Linus,
 
 Please, pull the following flexible-array transformations. These patches
 have been baking in linux-next for a while.
 
 Thanks
 --
 Gustavo
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Merge tag 'flex-array-transformations-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull flexible-array updates from Gustavo A. R. Silva.

* tag 'flex-array-transformations-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  fs: omfs: Use flexible-array member in struct omfs_extent
  sparc: openpromio: Address -Warray-bounds warning
  reiserfs: Replace one-element array with flexible-array member
 2023-08-29 12:48:12 -07:00
Linus Torvalds
eaf9f4649c arch/csky patches for 6.6 
The pull request we've done:
  - Fixup compile warning
  - Fixup update_mmu_cache
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Merge tag 'csky-for-linus-6.6' of https://github.com/c-sky/csky-linux

Pull arch/csky updates from Guo Ren:

 - Fixup compile warnings

 - Fixup update_mmu_cache

* tag 'csky-for-linus-6.6' of https://github.com/c-sky/csky-linux:
  csky: Fixup -Wmissing-prototypes warning
  csky: Make pfn accessors static inlines
  csky: Cast argument to virt_to_pfn() to (void *)
  csky: pgtable: Invalidate stale I-cache lines in update_mmu_cache
  csky: fix old style declaration in module.c
 2023-08-29 12:20:25 -07:00
Linus Torvalds
48d25d3826 parisc architecture fixes and enhancements for kernel v6.6-rc1: 
* add eBPF JIT compiler for 32- and 64-bit kernel
 * LCD/LED driver rewrite to utilize Linux LED subsystem
 * switch to generic mmap top-down layout and brk randomization
 * kernel startup cleanup by loading most drivers via arch_initcall()
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Merge tag 'parisc-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture updates from Helge Deller:
 "PA-RISC now has a native eBPF JIT compiler for 32- and 64-bit kernels,
  the LED driver was rewritten to use the Linux LED framework and most
  of the parisc bootup code was switched to use *_initcall() functions.

  Summary:

   - add eBPF JIT compiler for 32- and 64-bit kernel

   - LCD/LED driver rewrite to utilize Linux LED subsystem

   - switch to generic mmap top-down layout and brk randomization

   - kernel startup cleanup by loading most drivers via arch_initcall()"

* tag 'parisc-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (31 commits)
  parisc: ccio-dma: Create private runway procfs root entry
  parisc: chassis: Do not overwrite string on LCD display
  parisc: led: Rewrite LED/LCD driver to utilizize Linux LED subsystem
  parisc: led: Fix LAN receive and transmit LEDs
  parisc: lasi: Initialize LASI driver via arch_initcall()
  parisc: asp: Initialize asp driver via arch_initcall()
  parisc: wax: Initialize wax driver via arch_initcall()
  parisc: iosapic: Convert I/O Sapic driver to use arch_initcall()
  parisc: sba_iommu: Convert SBA IOMMU driver to use arch_initcall()
  parisc: led: Move register_led_regions() to late_initcall()
  parisc: lba: Convert LBA PCI bus driver to use arch_initcall()
  parisc: gsc: Convert GSC bus driver to use arch_initcall()
  parisc: ccio: Convert CCIO driver to use arch_initcall()
  parisc: eisa: Convert HP EISA bus driver to use arch_initcall()
  parisc: hppb: Convert HP PB bus driver to use arch_initcall()
  parisc: dino: Convert dino PCI bus driver to use arch_initcall()
  parisc: Makefile: Adjust order in which drivers should be loaded
  parisc: led: Reduce CPU overhead for disk & lan LED computation
  parisc: Avoid ioremap() for same addresss in iosapic_register()
  parisc: unaligned: Simplify 32-bit assembly in emulate_std()
  ...
 2023-08-29 12:15:19 -07:00
Linus Torvalds
468e28d4ac v6.6-vfs.super.fixes 
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Merge tag 'v6.6-vfs.super.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull superblock fixes from Christian Brauner:
 "Two follow-up fixes for the super work this cycle:

   - Move a misplaced lockep assertion before we potentially free the
     object containing the lock.

   - Ensure that filesystems which match superblocks in sget{_fc}()
     based on sb->s_fs_info are guaranteed to see a valid sb->s_fs_info
     as long as a superblock still appears on the filesystem type's
     superblock list.

     What we want as a proper solution for next cycle is to split
     sb->free_sb() out of sb->kill_sb() so that we can simply call
     kill_super_notify() after sb->kill_sb() but before sb->free_sb().

     Currently, this is lumped together in sb->kill_sb()"

* tag 'v6.6-vfs.super.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  super: ensure valid info
  super: move lockdep assert
 2023-08-29 11:59:37 -07:00
Linus Torvalds
bd6c11bc43 Networking changes for 6.6. 
Core
 ----
 
  - Increase size limits for to-be-sent skb frag allocations. This
    allows tun, tap devices and packet sockets to better cope with large
    writes operations.
 
  - Store netdevs in an xarray, to simplify iterating over netdevs.
 
  - Refactor nexthop selection for multipath routes.
 
  - Improve sched class lifetime handling.
 
  - Add backup nexthop ID support for bridge.
 
  - Implement drop reasons support in openvswitch.
 
  - Several data races annotations and fixes.
 
  - Constify the sk parameter of routing functions.
 
  - Prepend kernel version to netconsole message.
 
 Protocols
 ---------
 
  - Implement support for TCP probing the peer being under memory
    pressure.
 
  - Remove hard coded limitation on IPv6 specific info placement
    inside the socket struct.
 
  - Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated
    per socket scaling factor.
 
  - Scaling-up the IPv6 expired route GC via a separated list of
    expiring routes.
 
  - In-kernel support for the TLS alert protocol.
 
  - Better support for UDP reuseport with connected sockets.
 
  - Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
    header size.
 
  - Get rid of additional ancillary per MPTCP connection struct socket.
 
  - Implement support for BPF-based MPTCP packet schedulers.
 
  - Format MPTCP subtests selftests results in TAP.
 
  - Several new SMC 2.1 features including unique experimental options,
    max connections per lgr negotiation, max links per lgr negotiation.
 
 BPF
 ---
 
  - Multi-buffer support in AF_XDP.
 
  - Add multi uprobe BPF links for attaching multiple uprobes
    and usdt probes, which is significantly faster and saves extra fds.
 
  - Implement an fd-based tc BPF attach API (TCX) and BPF link support on
    top of it.
 
  - Add SO_REUSEPORT support for TC bpf_sk_assign.
 
  - Support new instructions from cpu v4 to simplify the generated code and
    feature completeness, for x86, arm64, riscv64.
 
  - Support defragmenting IPv(4|6) packets in BPF.
 
  - Teach verifier actual bounds of bpf_get_smp_processor_id()
    and fix perf+libbpf issue related to custom section handling.
 
  - Introduce bpf map element count and enable it for all program types.
 
  - Add a BPF hook in sys_socket() to change the protocol ID
    from IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy.
 
  - Introduce bpf_me_mcache_free_rcu() and fix OOM under stress.
 
  - Add uprobe support for the bpf_get_func_ip helper.
 
  - Check skb ownership against full socket.
 
  - Support for up to 12 arguments in BPF trampoline.
 
  - Extend link_info for kprobe_multi and perf_event links.
 
 Netfilter
 ---------
 
  - Speed-up process exit by aborting ruleset validation if a
    fatal signal is pending.
 
  - Allow NLA_POLICY_MASK to be used with BE16/BE32 types.
 
 Driver API
 ----------
 
  - Page pool optimizations, to improve data locality and cache usage.
 
  - Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the need
    for raw ioctl() handling in drivers.
 
  - Simplify genetlink dump operations (doit/dumpit) providing them
    the common information already populated in struct genl_info.
 
  - Extend and use the yaml devlink specs to [re]generate the split ops.
 
  - Introduce devlink selective dumps, to allow SF filtering SF based on
    handle and other attributes.
 
  - Add yaml netlink spec for netlink-raw families, allow route, link and
    address related queries via the ynl tool.
 
  - Remove phylink legacy mode support.
 
  - Support offload LED blinking to phy.
 
  - Add devlink port function attributes for IPsec.
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - Broadcom ASP 2.0 (72165) ethernet controller
    - MediaTek MT7988 SoC
    - Texas Instruments AM654 SoC
    - Texas Instruments IEP driver
    - Atheros qca8081 phy
    - Marvell 88Q2110 phy
    - NXP TJA1120 phy
 
  - WiFi:
    - MediaTek mt7981 support
 
  - Can:
    - Kvaser SmartFusion2 PCI Express devices
    - Allwinner T113 controllers
    - Texas Instruments tcan4552/4553 chips
 
  - Bluetooth:
    - Intel Gale Peak
    - Qualcomm WCN3988 and WCN7850
    - NXP AW693 and IW624
    - Mediatek MT2925
 
 Drivers
 -------
 
  - Ethernet NICs:
    - nVidia/Mellanox:
      - mlx5:
        - support UDP encapsulation in packet offload mode
        - IPsec packet offload support in eswitch mode
        - improve aRFS observability by adding new set of counters
        - extends MACsec offload support to cover RoCE traffic
        - dynamic completion EQs
      - mlx4:
        - convert to use auxiliary bus instead of custom interface logic
    - Intel
      - ice:
        - implement switchdev bridge offload, even for LAG interfaces
        - implement SRIOV support for LAG interfaces
      - igc:
        - add support for multiple in-flight TX timestamps
    - Broadcom:
      - bnxt:
        - use the unified RX page pool buffers for XDP and non-XDP
        - use the NAPI skb allocation cache
    - OcteonTX2:
      - support Round Robin scheduling HTB offload
      - TC flower offload support for SPI field
    - Freescale:
      -  add XDP_TX feature support
    - AMD:
      - ionic: add support for PCI FLR event
      - sfc:
        - basic conntrack offload
        - introduce eth, ipv4 and ipv6 pedit offloads
    - ST Microelectronics:
      - stmmac: maximze PTP timestamping resolution
 
  - Virtual NICs:
    - Microsoft vNIC:
      - batch ringing RX queue doorbell on receiving packets
      - add page pool for RX buffers
    - Virtio vNIC:
      - add per queue interrupt coalescing support
    - Google vNIC:
      - add queue-page-list mode support
 
  - Ethernet high-speed switches:
    - nVidia/Mellanox (mlxsw):
      - add port range matching tc-flower offload
      - permit enslavement to netdevices with uppers
 
  - Ethernet embedded switches:
    - Marvell (mv88e6xxx):
      - convert to phylink_pcs
    - Renesas:
      - r8A779fx: add speed change support
      - rzn1: enables vlan support
 
  - Ethernet PHYs:
    - convert mv88e6xxx to phylink_pcs
 
  - WiFi:
    - Qualcomm Wi-Fi 7 (ath12k):
      - extremely High Throughput (EHT) PHY support
    - RealTek (rtl8xxxu):
      - enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
        RTL8192EU and RTL8723BU
    - RealTek (rtw89):
      - Introduce Time Averaged SAR (TAS) support
 
  - Connector:
    - support for event filtering
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Paolo Abeni:
 "Core:

   - Increase size limits for to-be-sent skb frag allocations. This
     allows tun, tap devices and packet sockets to better cope with
     large writes operations

   - Store netdevs in an xarray, to simplify iterating over netdevs

   - Refactor nexthop selection for multipath routes

   - Improve sched class lifetime handling

   - Add backup nexthop ID support for bridge

   - Implement drop reasons support in openvswitch

   - Several data races annotations and fixes

   - Constify the sk parameter of routing functions

   - Prepend kernel version to netconsole message

  Protocols:

   - Implement support for TCP probing the peer being under memory
     pressure

   - Remove hard coded limitation on IPv6 specific info placement inside
     the socket struct

   - Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated per
     socket scaling factor

   - Scaling-up the IPv6 expired route GC via a separated list of
     expiring routes

   - In-kernel support for the TLS alert protocol

   - Better support for UDP reuseport with connected sockets

   - Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
     header size

   - Get rid of additional ancillary per MPTCP connection struct socket

   - Implement support for BPF-based MPTCP packet schedulers

   - Format MPTCP subtests selftests results in TAP

   - Several new SMC 2.1 features including unique experimental options,
     max connections per lgr negotiation, max links per lgr negotiation

  BPF:

   - Multi-buffer support in AF_XDP

   - Add multi uprobe BPF links for attaching multiple uprobes and usdt
     probes, which is significantly faster and saves extra fds

   - Implement an fd-based tc BPF attach API (TCX) and BPF link support
     on top of it

   - Add SO_REUSEPORT support for TC bpf_sk_assign

   - Support new instructions from cpu v4 to simplify the generated code
     and feature completeness, for x86, arm64, riscv64

   - Support defragmenting IPv(4|6) packets in BPF

   - Teach verifier actual bounds of bpf_get_smp_processor_id() and fix
     perf+libbpf issue related to custom section handling

   - Introduce bpf map element count and enable it for all program types

   - Add a BPF hook in sys_socket() to change the protocol ID from
     IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy

   - Introduce bpf_me_mcache_free_rcu() and fix OOM under stress

   - Add uprobe support for the bpf_get_func_ip helper

   - Check skb ownership against full socket

   - Support for up to 12 arguments in BPF trampoline

   - Extend link_info for kprobe_multi and perf_event links

  Netfilter:

   - Speed-up process exit by aborting ruleset validation if a fatal
     signal is pending

   - Allow NLA_POLICY_MASK to be used with BE16/BE32 types

  Driver API:

   - Page pool optimizations, to improve data locality and cache usage

   - Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the
     need for raw ioctl() handling in drivers

   - Simplify genetlink dump operations (doit/dumpit) providing them the
     common information already populated in struct genl_info

   - Extend and use the yaml devlink specs to [re]generate the split ops

   - Introduce devlink selective dumps, to allow SF filtering SF based
     on handle and other attributes

   - Add yaml netlink spec for netlink-raw families, allow route, link
     and address related queries via the ynl tool

   - Remove phylink legacy mode support

   - Support offload LED blinking to phy

   - Add devlink port function attributes for IPsec

  New hardware / drivers:

   - Ethernet:
      - Broadcom ASP 2.0 (72165) ethernet controller
      - MediaTek MT7988 SoC
      - Texas Instruments AM654 SoC
      - Texas Instruments IEP driver
      - Atheros qca8081 phy
      - Marvell 88Q2110 phy
      - NXP TJA1120 phy

   - WiFi:
      - MediaTek mt7981 support

   - Can:
      - Kvaser SmartFusion2 PCI Express devices
      - Allwinner T113 controllers
      - Texas Instruments tcan4552/4553 chips

   - Bluetooth:
      - Intel Gale Peak
      - Qualcomm WCN3988 and WCN7850
      - NXP AW693 and IW624
      - Mediatek MT2925

  Drivers:

   - Ethernet NICs:
      - nVidia/Mellanox:
         - mlx5:
            - support UDP encapsulation in packet offload mode
            - IPsec packet offload support in eswitch mode
            - improve aRFS observability by adding new set of counters
            - extends MACsec offload support to cover RoCE traffic
            - dynamic completion EQs
         - mlx4:
            - convert to use auxiliary bus instead of custom interface
              logic
      - Intel
         - ice:
            - implement switchdev bridge offload, even for LAG
              interfaces
            - implement SRIOV support for LAG interfaces
         - igc:
            - add support for multiple in-flight TX timestamps
      - Broadcom:
         - bnxt:
            - use the unified RX page pool buffers for XDP and non-XDP
            - use the NAPI skb allocation cache
      - OcteonTX2:
         - support Round Robin scheduling HTB offload
         - TC flower offload support for SPI field
      - Freescale:
         - add XDP_TX feature support
      - AMD:
         - ionic: add support for PCI FLR event
         - sfc:
            - basic conntrack offload
            - introduce eth, ipv4 and ipv6 pedit offloads
      - ST Microelectronics:
         - stmmac: maximze PTP timestamping resolution

   - Virtual NICs:
      - Microsoft vNIC:
         - batch ringing RX queue doorbell on receiving packets
         - add page pool for RX buffers
      - Virtio vNIC:
         - add per queue interrupt coalescing support
      - Google vNIC:
         - add queue-page-list mode support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add port range matching tc-flower offload
         - permit enslavement to netdevices with uppers

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - convert to phylink_pcs
      - Renesas:
         - r8A779fx: add speed change support
         - rzn1: enables vlan support

   - Ethernet PHYs:
      - convert mv88e6xxx to phylink_pcs

   - WiFi:
      - Qualcomm Wi-Fi 7 (ath12k):
         - extremely High Throughput (EHT) PHY support
      - RealTek (rtl8xxxu):
         - enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
           RTL8192EU and RTL8723BU
      - RealTek (rtw89):
         - Introduce Time Averaged SAR (TAS) support

   - Connector:
      - support for event filtering"

* tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1806 commits)
  net: ethernet: mtk_wed: minor change in wed_{tx,rx}info_show
  net: ethernet: mtk_wed: add some more info in wed_txinfo_show handler
  net: stmmac: clarify difference between "interface" and "phy_interface"
  r8152: add vendor/device ID pair for D-Link DUB-E250
  devlink: move devlink_notify_register/unregister() to dev.c
  devlink: move small_ops definition into netlink.c
  devlink: move tracepoint definitions into core.c
  devlink: push linecard related code into separate file
  devlink: push rate related code into separate file
  devlink: push trap related code into separate file
  devlink: use tracepoint_enabled() helper
  devlink: push region related code into separate file
  devlink: push param related code into separate file
  devlink: push resource related code into separate file
  devlink: push dpipe related code into separate file
  devlink: move and rename devlink_dpipe_send_and_alloc_skb() helper
  devlink: push shared buffer related code into separate file
  devlink: push port related code into separate file
  devlink: push object register/unregister notifications into separate helpers
  inet: fix IP_TRANSPARENT error handling
  ...
 2023-08-29 11:33:01 -07:00
Linus Torvalds
68cf01760b This update includes the following changes: 
API:
 
 - Move crypto engine callback from tfm ctx into algorithm object.
 - Fix atomic sleep bug in crypto_destroy_instance.
 - Move lib/mpi into lib/crypto.
 
 Algorithms:
 
 - Add chacha20 and poly1305 implementation for powerpc p10.
 
 Drivers:
 
 - Add AES skcipher and aead support to starfive.
 - Add Dynamic Boost Control support to ccp.
 - Add support for STM32P13 platform to stm32.
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Merge tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Move crypto engine callback from tfm ctx into algorithm object
   - Fix atomic sleep bug in crypto_destroy_instance
   - Move lib/mpi into lib/crypto

  Algorithms:
   - Add chacha20 and poly1305 implementation for powerpc p10

  Drivers:
   - Add AES skcipher and aead support to starfive
   - Add Dynamic Boost Control support to ccp
   - Add support for STM32P13 platform to stm32"

* tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (149 commits)
  Revert "dt-bindings: crypto: qcom,prng: Add SM8450"
  crypto: chelsio - Remove unused declarations
  X.509: if signature is unsupported skip validation
  crypto: qat - fix crypto capability detection for 4xxx
  crypto: drivers - Explicitly include correct DT includes
  crypto: engine - Remove crypto_engine_ctx
  crypto: zynqmp - Use new crypto_engine_op interface
  crypto: virtio - Use new crypto_engine_op interface
  crypto: stm32 - Use new crypto_engine_op interface
  crypto: jh7110 - Use new crypto_engine_op interface
  crypto: rk3288 - Use new crypto_engine_op interface
  crypto: omap - Use new crypto_engine_op interface
  crypto: keembay - Use new crypto_engine_op interface
  crypto: sl3516 - Use new crypto_engine_op interface
  crypto: caam - Use new crypto_engine_op interface
  crypto: aspeed - Remove non-standard sha512 algorithms
  crypto: aspeed - Use new crypto_engine_op interface
  crypto: amlogic - Use new crypto_engine_op interface
  crypto: sun8i-ss - Use new crypto_engine_op interface
  crypto: sun8i-ce - Use new crypto_engine_op interface
  ...
 2023-08-29 11:23:29 -07:00
Linus Torvalds
f97e18a3f2 gpio updates for v6.6 
Core GPIOLIB updates:
 - wake-up poll() in user-space on device unbind
 - improve fwnode usage
 - interrupt domain handling improvements
 - correctly handle the ngpios property in gpio-mmio
 
 Driver cleanups:
 - remove unneeded calls to platform_set_drvdata() all around the place
 - remove unneeded of_match_ptr() expansions whenever a driver depends on
   CONFIG_OF
 - remove redundant calls to dev_err_probe() from gpio-omap and gpio-davinci
 
 Driver improvements:
 - use autopointers and guards from cleanup.h in gpio-sim
 - shrink code in gpio-sim using some common helpers
 - convert the idio family of drivers to using gpio-regmap
 - convert gpio-ws16c48 to using gpio-regmap
 - use devres to simplify code in gpio-pisosr and gpio-mxc
 - update gpio-sifive: support IRQ wake, improve interrupt handling, allow
   building as module
 - make gpio-ge and gpio-bcm-kona OF-independent (plus some minor tweaks)
 - add support for new models in gpio-pca953x and gpio-ds4520
 - add runtime PM support to gpio-mxc
 - fix a build warning in gpio-mxs
 - add support for adding pin ranges to gpio-mlxbf3
 - add counter/timer support to gpio-104-dio-48e
 - switch to dynamic GPIO base allocation in gpio-vf610
 - minor oneliners here and there
 
 Device-tree bindings updates:
 - enable the gpio-line-names property in snps,dw-apb and STMPE GPIO
 - document new models in fsl-imx-gpio, ds4520 and pca95xx
 - convert the bindings for brcm,kona-gpio to YAML
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Merge tag 'gpio-updates-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "We have a lot of code refactoring using common helpers and ended up
  removing more lines then we're adding this release cycle.

  Nothing really stands out, just small updates all over the place.

  Core GPIOLIB updates:
   - wake-up poll() in user-space on device unbind
   - improve fwnode usage
   - interrupt domain handling improvements
   - correctly handle the ngpios property in gpio-mmio

  Driver cleanups:
   - remove unneeded calls to platform_set_drvdata() all around the
     place
   - remove unneeded of_match_ptr() expansions whenever a driver depends
     on CONFIG_OF
   - remove redundant calls to dev_err_probe() from gpio-omap and
     gpio-davinci

  Driver improvements:
   - use autopointers and guards from cleanup.h in gpio-sim
   - shrink code in gpio-sim using some common helpers
   - convert the idio family of drivers to using gpio-regmap
   - convert gpio-ws16c48 to using gpio-regmap
   - use devres to simplify code in gpio-pisosr and gpio-mxc
   - update gpio-sifive: support IRQ wake, improve interrupt handling,
     allow building as module
   - make gpio-ge and gpio-bcm-kona OF-independent (plus some minor
     tweaks)
   - add support for new models in gpio-pca953x and gpio-ds4520
   - add runtime PM support to gpio-mxc
   - fix a build warning in gpio-mxs
   - add support for adding pin ranges to gpio-mlxbf3
   - add counter/timer support to gpio-104-dio-48e
   - switch to dynamic GPIO base allocation in gpio-vf610
   - minor oneliners here and there

  Device-tree bindings updates:
   - enable the gpio-line-names property in snps,dw-apb and STMPE GPIO
   - document new models in fsl-imx-gpio, ds4520 and pca95xx
   - convert the bindings for brcm,kona-gpio to YAML"

* tag 'gpio-updates-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (94 commits)
  gpio: pca953x: add support for TCA9538
  dt-bindings: gpio: pca95xx: document new tca9538 chip
  gpio: pca953x: Use i2c_get_match_data()
  gpio: mlxbf3: use capital "OR" for multiple licenses in SPDX
  gpio: pcf857x: Extend match data support for OF tables
  gpio: vf610: switch to dynamic allocat GPIO base
  gpiolib: provide and use gpiod_line_state_notify()
  gpio: cdev: wake up lineevent poll() on device unbind
  gpio: cdev: wake up linereq poll() on device unbind
  gpio: cdev: wake up chardev poll() on device unbind
  gpiolib: add a second blocking notifier to struct gpio_device
  gpio: cdev: open-code to_gpio_chardev_data()
  gpiolib: rename the gpio_device notifier
  gpio: mlxbf3: Support add_pin_ranges()
  gpio: mxc: Use helper function devm_clk_get_optional_enabled()
  gpio: pca9570: fix kerneldoc
  gpio: sim: simplify code with cleanup helpers
  gpio: sim: replace memmove() + strstrip() with skip_spaces() + strim()
  gpio: sim: simplify gpio_sim_device_config_live_store()
  gpio: mxc: release the parent IRQ in runtime suspend
  ...
 2023-08-29 10:21:56 -07:00
Linus Torvalds
41e97d7acf hwmon updates for v6.6 
- New drivers
 
   * Driver for Renesas HS3001
 
 - Chip support added to existing drivers
 
   * pmbus/mp2975 driver now supports MP2971 and MP2973
 
 - Functional improvements
 
   * Additional voltage and temperature sensor support for
     NCT6798/NCT6799 in nt6755 driver
 
   * it87 driver now detects AMDTSI sensor type
 
   * dimmtemp now supports more than 32 DIMMs
 
 - Driver removals
 
   * sm665 driver removed as unsupportable and long since obsolete
 
 - Minor fixes, cleanups, and simplifications in several drivers
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Merge tag 'hwmon-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:

   - Renesas HS3001

  Chip support added to existing drivers:

   - pmbus/mp2975 driver now supports MP2971 and MP2973

  Functional improvements:

   - Additional voltage and temperature sensor support for
     NCT6798/NCT6799 in nt6755 driver

   - it87 driver now detects AMDTSI sensor type

   - dimmtemp now supports more than 32 DIMMs

  Driver removals:

   - sm665 driver removed as unsupportable and long since obsolete

  .. and minor fixes, cleanups, and simplifications in several drivers"

* tag 'hwmon-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (57 commits)
  hwmon: (tmp513) Simplify probe()
  hwmon: (tmp513) Fix the channel number in tmp51x_is_visible()
  hwmon: (mlxreg-fan) Extend number of supported fans
  hwmon: (sis5595) Do PCI error checks on own line
  hwmon: (vt8231) Do PCI error checks on own line
  hwmon: (via686a) Do PCI error checks on own line
  hwmon: pmbus: Fix -EIO seen on pli1209
  hwmon: pmbus: Drop unnecessary clear fault page
  hwmon: pmbus: Reduce clear fault page invocations
  hwmon: (nsa320-hwmon) Remove redundant of_match_ptr()
  hwmon: (pmbus/ucd9200) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (pmbus/ucd9000) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (pmbus/tps53679) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (pmbus/ibm-cffps) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (tmp513) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (max6697) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (max20730) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (lm90) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (lm85) fix Wvoid-pointer-to-enum-cast warning
  hwmon: (lm75) fix Wvoid-pointer-to-enum-cast warning
  ...
 2023-08-29 10:02:35 -07:00
Linus Torvalds
995cda6210 MMC core: 
- Convert drivers to use the ->remove_new() callback
  - Propagate the removable attribute for the card's device
 
 MMC host:
  - Convert drivers to use the ->remove_new() callback
  - atmel-mci: Convert to gpio descriptors and cleanup the code
  - davinci: Make SDIO irq truly optional
  - renesas_sdhi: Register irqs before registering controller
  - sdhci: Simplify the sdhci_pltfm_* interface a bit
  - sdhci-esdhc-imx: Improve support for the 1.8V errata
  - sdhci-of-at91: Add support for the microchip sam9x7 variant
  - sdhci-of-dwcmshc: Add support for runtime PM
  - sdhci-pci-o2micro: Add support for the new Bayhub GG8 variant
  - sdhci-sprd: Add support for SD high-speed mode tuning
  - uniphier-sd: Register irqs before registering controller
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Merge tag 'mmc-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Convert drivers to use the ->remove_new() callback
   - Propagate the removable attribute for the card's device

  MMC host:
   - Convert drivers to use the ->remove_new() callback
   - atmel-mci: Convert to gpio descriptors and cleanup the code
   - davinci: Make SDIO irq truly optional
   - renesas_sdhi: Register irqs before registering controller
   - sdhci: Simplify the sdhci_pltfm_* interface a bit
   - sdhci-esdhc-imx: Improve support for the 1.8V errata
   - sdhci-of-at91: Add support for the microchip sam9x7 variant
   - sdhci-of-dwcmshc: Add support for runtime PM
   - sdhci-pci-o2micro: Add support for the new Bayhub GG8 variant
   - sdhci-sprd: Add support for SD high-speed mode tuning
   - uniphier-sd: Register irqs before registering controller"

* tag 'mmc-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (108 commits)
  mmc: atmel-mci: Move card detect gpio polarity quirk to gpiolib
  mmc: atmel-mci: move atmel MCI header file
  mmc: atmel-mci: Convert to gpio descriptors
  mmc: sdhci-sprd: Add SD HS mode online tuning
  mmc: core: Add host specific tuning support for SD HS mode
  mmc: sdhci-of-dwcmshc: Add runtime PM operations
  mmc: sdhci-of-dwcmshc: Add error handling in dwcmshc_resume
  mmc: sdhci-esdhc-imx: improve ESDHC_FLAG_ERR010450
  mmc: sdhci-pltfm: Rename sdhci_pltfm_register()
  mmc: sdhci-pltfm: Remove sdhci_pltfm_unregister()
  mmc: sdhci-st: Use sdhci_pltfm_remove()
  mmc: sdhci-pxav2: Use sdhci_pltfm_remove()
  mmc: sdhci-of-sparx5: Use sdhci_pltfm_remove()
  mmc: sdhci-of-hlwd: Use sdhci_pltfm_remove()
  mmc: sdhci-of-esdhc: Use sdhci_pltfm_remove()
  mmc: sdhci-of-at91: Use sdhci_pltfm_remove()
  mmc: sdhci-of-arasan: Use sdhci_pltfm_remove()
  mmc: sdhci-iproc: Use sdhci_pltfm_remove()
  mmc: sdhci_f_sdh30: Use sdhci_pltfm_remove()
  mmc: sdhci-dove: Use sdhci_pltfm_remove()
  ...
 2023-08-29 09:56:24 -07:00
Linus Torvalds
3b6bf5b1f8 spi: Updates for v6.6 
There's been quite a lot of generic activity here, but more
 administrative than featuers.  We also have a bunch of new drivers,
 including one that's part of a MFD so we pulled in the core parts of
 that:
 
  - Lots of work from both Yang Yingliang and Andy Shevchenko on moving
    to host/device/controller based terminology for devices.
  - QuadSPI SPI support for Allwinner sun6i.
  - New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
    QuPv3 and StarFive JH7110 QSPI.
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Merge tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "There's been quite a lot of generic activity here, but more
  administrative than featuers. We also have a bunch of new drivers,
  including one that's part of a MFD so we pulled in the core parts of
  that:

   - Lots of work from both Yang Yingliang and Andy Shevchenko on moving
     to host/device/controller based terminology for devices.

   - QuadSPI SPI support for Allwinner sun6i.

   - New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
     QuPv3 and StarFive JH7110 QSPI"

* tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (151 commits)
  spi: at91-usart: Use PTR_ERR_OR_ZERO() to simplify code
  spi: spi-sn-f-ospi: switch to use modern name
  spi: sifive: switch to use modern name
  spi: sh: switch to use modern name
  spi: sh-sci: switch to use modern name
  spi: sh-msiof: switch to use modern name
  spi: sh-hspi: switch to use modern name
  spi: sc18is602: switch to use modern name
  spi: s3c64xx: switch to use modern name
  spi: rzv2m-csi: switch to use devm_spi_alloc_host()
  spi: rspi: switch to use spi_alloc_host()
  spi: rockchip: switch to use modern name
  spi: rockchip-sfc: switch to use modern name
  spi: realtek-rtl: switch to use devm_spi_alloc_host()
  spi: rb4xx: switch to use modern name
  spi: qup: switch to use modern name
  spi: spi-qcom-qspi: switch to use modern name
  spi: pxa2xx: switch to use modern name
  spi: ppc4xx: switch to use modern name
  spi: spl022: switch to use modern name
  ...
 2023-08-29 09:47:33 -07:00
Linus Torvalds
65234f96f2 regulator: Updates for v6.6 
Other tha new device support and some minor fixes this has been a really
 quiet release, the only notable things are the new drivers.  There's a
 couple of MFDs among the new devices so the generic parts are pulled in:
 
  - Support for Analog Devices MAX77831/57/59, Awinc AW37503, Qualcom
    PMX75 and RFGEN, RealTek RT5733, RichTek RTQ2208 and Texas
    Instruments TPS65086.
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Merge tag 'regulator-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Other than new device support and some minor fixes this has been a
  really quiet release, the only notable things are the new drivers.

  There's a couple of MFDs among the new devices so the generic parts
  are pulled in:

   - Support for Analog Devices MAX77831/57/59, Awinc AW37503, Qualcom
     PMX75 and RFGEN, RealTek RT5733, RichTek RTQ2208 and Texas
     Instruments TPS65086"

* tag 'regulator-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (68 commits)
  regulator: userspace-consumer: Drop event support for this cycle
  regulator: aw37503: Switch back to use struct i2c_driver's .probe()
  dt-bindings: regulator: qcom,rpmh-regulator: allow i, j, l, m & n as RPMh resource name suffix
  regulator: dt-bindings: Add Awinic AW37503
  regulator: aw37503: add regulator driver for Awinic AW37503
  regulator: tps65086: Select dedicated regulator config for chip variant
  mfd: tps65086: Read DEVICE ID register 1 from device
  regulator: raa215300: Update help description
  regulator: raa215300: Add missing blank space
  regulator: raa215300: Change rate from 32000->32768
  regulator: db8500-prcmu: Remove unused declaration power_state_active_is_enabled()
  regulator: raa215300: Add const definition
  regulator: raa215300: Fix resource leak in case of error
  regulator: rtq2208: Switch back to use struct i2c_driver's .probe()
  regulator: lp872x: Fix Wvoid-pointer-to-enum-cast warning
  regulator: max77857: Fix Wvoid-pointer-to-enum-cast warning
  regulator: ltc3589: Fix Wvoid-pointer-to-enum-cast warning
  regulator: qcom_rpm-regulator: Use devm_kmemdup to replace devm_kmalloc + memcpy
  regulator: tps6286x-regulator: Remove redundant of_match_ptr() macros
  regulator: pfuze100-regulator: Remove redundant of_match_ptr() macro
  ...
 2023-08-29 09:40:16 -07:00
Andrea Righi
a419beac4a module/decompress: use vmalloc() for zstd decompression workspace 
Using kmalloc() to allocate the decompression workspace for zstd may
trigger the following warning when large modules are loaded (i.e., xfs):

[    2.961884] WARNING: CPU: 1 PID: 254 at mm/page_alloc.c:4453 __alloc_pages+0x2c3/0x350
...
[    2.989033] Call Trace:
[    2.989841]  <TASK>
[    2.990614]  ? show_regs+0x6d/0x80
[    2.991573]  ? __warn+0x89/0x160
[    2.992485]  ? __alloc_pages+0x2c3/0x350
[    2.993520]  ? report_bug+0x17e/0x1b0
[    2.994506]  ? handle_bug+0x51/0xa0
[    2.995474]  ? exc_invalid_op+0x18/0x80
[    2.996469]  ? asm_exc_invalid_op+0x1b/0x20
[    2.997530]  ? module_zstd_decompress+0xdc/0x2a0
[    2.998665]  ? __alloc_pages+0x2c3/0x350
[    2.999695]  ? module_zstd_decompress+0xdc/0x2a0
[    3.000821]  __kmalloc_large_node+0x7a/0x150
[    3.001920]  __kmalloc+0xdb/0x170
[    3.002824]  module_zstd_decompress+0xdc/0x2a0
[    3.003857]  module_decompress+0x37/0xc0
[    3.004688]  init_module_from_file+0xd0/0x100
[    3.005668]  idempotent_init_module+0x11c/0x2b0
[    3.006632]  __x64_sys_finit_module+0x64/0xd0
[    3.007568]  do_syscall_64+0x59/0x90
[    3.008373]  ? ksys_read+0x73/0x100
[    3.009395]  ? exit_to_user_mode_prepare+0x30/0xb0
[    3.010531]  ? syscall_exit_to_user_mode+0x37/0x60
[    3.011662]  ? do_syscall_64+0x68/0x90
[    3.012511]  ? do_syscall_64+0x68/0x90
[    3.013364]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8

However, continuous physical memory does not seem to be required in
module_zstd_decompress(), so use vmalloc() instead, to prevent the
warning and avoid potential failures at loading compressed modules.

Fixes: 169a58ad82 ("module/decompress: Support zstd in-kernel decompression")
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
 2023-08-29 09:39:08 -07:00
Linus Torvalds
0fc81f3764 regmap: Updates for v6.6 
This is a much quieter release than the past few, there's one small API
 addition that I noticed a user for in ALSA and a bunch of cleanups:
 
  - Provide an interface for determining if a register is present in the
    cache and add a user of it in ALSA.
  - Full support for dynamic allocations, following the temporary bodges
    that were done as fixes in the previous release.
  - Remove the unused and questionably working 64 bit support.
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Merge tag 'regmap-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This is a much quieter release than the past few, there's one small
  API addition that I noticed a user for in ALSA and a bunch of
  cleanups:

   - Provide an interface for determining if a register is present in
     the cache and add a user of it in ALSA.

   - Full support for dynamic allocations, following the temporary
     bodges that were done as fixes in the previous release.

   - Remove the unused and questionably working 64 bit support"

* tag 'regmap-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: Fix the type used for a bitmap pointer
  regmap: Remove dynamic allocation warnings for rbtree and maple
  regmap: rbtree: Use alloc_flags for memory allocations
  regmap: maple: Use alloc_flags for memory allocations
  regmap: Reject fast_io regmap configurations with RBTREE and MAPLE caches
  ALSA: hda: Use regcache_reg_cached() rather than open coding
  regmap: Provide test for regcache_reg_present()
  regmap: Let users check if a register is cached
  regmap: Provide user selectable option to enable regmap
  regmap: mmio: Remove unused 64-bit support code
  regmap: cache: Revert "Add 64-bit mode support"
  regmap: Revert "add 64-bit mode support" and Co.
 2023-08-29 09:26:04 -07:00
Linus Torvalds
c35c486c12 HSI changes for the 6.6 series 
* explicitly include correct DT includes
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Merge tag 'hsi-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI update from Sebastian Reichel:

 - explicitly include correct DT includes

* tag 'hsi-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  hsi: omap_ssi: Explicitly include correct DT includes
 2023-08-29 09:18:52 -07:00
Linus Torvalds
b547f9b300 power supply and reset changes for the 6.6 series 
* core: avoid duplicate hwmon device from thermal framework
 * convert multiple drivers to devm_platform_ioremap_resource
 * at91-reset: add sysfs interface to the power on reason
 * misc. small fixes and improvements
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Merge tag 'for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:

 - core: avoid duplicate hwmon device from thermal framework

 - convert multiple drivers to devm_platform_ioremap_resource

 - at91-reset: add sysfs interface to the power on reason

 - misc small fixes and improvements

* tag 'for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: qcom_pmi8998_charger: fix charger status
  power: supply: qcom_pmi8998_charger: remove CHARGE_CONTROL_LIMIT_* props
  power: supply: qcom_pmi8998_charger: fix uninitialized variable
  power: reset: oxnas-restart: remove obsolete restart driver
  power: supply: core: Avoid duplicate hwmon device from thermal framework
  power: reset: ocelot: Convert to devm_platform_ioremap_resource()
  power: reset: msm: Convert to devm_platform_ioremap_resource()
  power: reset: gemini-poweroff: Convert to devm_platform_ioremap_resource()
  power: reset: brcm-kona: Convert to devm_platform_ioremap_resource()
  power: reset: at91-sama5d2_shdwc: Convert to devm_platform_ioremap_resource()
  power: reset: at91-poweroff: Convert to devm_platform_ioremap_resource()
  power: reset: at91-reset: add sysfs interface to the power on reason
  power: supply: bd99954: make read-only array sub_status_reg
  power: supply: bq24190: Considers FORCE_20PCT when getting IPRECHG
  power: Explicitly include correct DT includes
 2023-08-29 08:37:03 -07:00
Linus Torvalds
5ea0cf7758 auxdisplay update for v6.6 
- hd44780: move cursor home after clear display command
 
    The change allows to support displays like the NewHaven
    NHD-0220DZW-AG5 which has a non-standard controller.
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Merge tag 'auxdisplay-6.6' of https://github.com/ojeda/linux

Pull auxdisplay update from Miguel Ojeda:

 - hd44780: move cursor home after clear display command

   The change allows to support displays like the NewHaven
   NHD-0220DZW-AG5 which has a non-standard controller.

* tag 'auxdisplay-6.6' of https://github.com/ojeda/linux:
  auxdisplay: hd44780: move cursor home after clear display command
 2023-08-29 08:32:28 -07:00
Linus Torvalds
a031fe8d1d Rust changes for v6.6 
In terms of lines, most changes this time are on the pinned-init API
 and infrastructure. While we have a Rust version upgrade, and thus a
 bunch of changes from the vendored 'alloc' crate as usual, this time
 those do not account for many lines.
 
 Toolchain and infrastructure:
 
  - Upgrade to Rust 1.71.1. This is the second such upgrade, which is a
    smaller jump compared to the last time.
 
    This version allows us to remove the '__rust_*' allocator functions
    -- the compiler now generates them as expected, thus now our
    'KernelAllocator' is used.
 
    It also introduces the 'offset_of!' macro in the standard library
    (as an unstable feature) which we will need soon. So far, we were
    using a declarative macro as a prerequisite in some not-yet-landed
    patch series, which did not support sub-fields (i.e. nested structs):
 
        #[repr(C)]
        struct S {
            a: u16,
            b: (u8, u8),
        }
 
        assert_eq!(offset_of!(S, b.1), 3);
 
  - Upgrade to bindgen 0.65.1. This is the first time we upgrade its
    version.
 
    Given it is a fairly big jump, it comes with a fair number of
    improvements/changes that affect us, such as a fix needed to support
    LLVM 16 as well as proper support for '__noreturn' C functions, which
    are now mapped to return the '!' type in Rust:
 
        void __noreturn f(void); // C
        pub fn f() -> !;         // Rust
 
  - 'scripts/rust_is_available.sh' improvements and fixes.
 
    This series takes care of all the issues known so far and adds a few
    new checks to cover for even more cases, plus adds some more help
    texts. All this together will hopefully make problematic setups
    easier to identify and to be solved by users building the kernel.
 
    In addition, it adds a test suite which covers all branches of the
    shell script, as well as tests for the issues found so far.
 
  - Support rust-analyzer for out-of-tree modules too.
 
  - Give 'cfg's to rust-analyzer for the 'core' and 'alloc' crates.
 
  - Drop 'scripts/is_rust_module.sh' since it is not needed anymore.
 
 Macros crate:
 
  - New 'paste!' proc macro.
 
    This macro is a more flexible version of 'concat_idents!': it allows
    the resulting identifier to be used to declare new items and it
    allows to transform the identifiers before concatenating them, e.g.
 
        let x_1 = 42;
        paste!(let [<x _2>] = [<x _1>];);
        assert!(x_1 == x_2);
 
    The macro is then used for several of the pinned-init API changes in
    this pull.
 
 Pinned-init API:
 
  - Make '#[pin_data]' compatible with conditional compilation of fields,
    allowing to write code like:
 
        #[pin_data]
        pub struct Foo {
            #[cfg(CONFIG_BAR)]
            a: Bar,
            #[cfg(not(CONFIG_BAR))]
            a: Baz,
        }
 
  - New '#[derive(Zeroable)]' proc macro for the 'Zeroable' trait, which
    allows 'unsafe' implementations for structs where every field
    implements the 'Zeroable' trait, e.g.:
 
        #[derive(Zeroable)]
        pub struct DriverData {
            id: i64,
            buf_ptr: *mut u8,
            len: usize,
        }
 
  - Add '..Zeroable::zeroed()' syntax to the 'pin_init!'  macro for
    zeroing all other fields, e.g.:
 
        pin_init!(Buf {
            buf: [1; 64],
            ..Zeroable::zeroed()
        });
 
  - New '{,pin_}init_array_from_fn()' functions to create array
    initializers given a generator function, e.g.:
 
        let b: Box<[usize; 1_000]> = Box::init::<Error>(
            init_array_from_fn(|i| i)
        ).unwrap();
 
        assert_eq!(b.len(), 1_000);
        assert_eq!(b[123], 123);
 
  - New '{,pin_}chain' methods for '{,Pin}Init<T, E>' that allow to
    execute a closure on the value directly after initialization, e.g.:
 
        let foo = init!(Foo {
            buf <- init::zeroed()
        }).chain(|foo| {
            foo.setup();
            Ok(())
        });
 
  - Support arbitrary paths in init macros, instead of just identifiers
    and generic types.
 
  - Implement the 'Zeroable' trait for the 'UnsafeCell<T>' and
    'Opaque<T>' types.
 
  - Make initializer values inaccessible after initialization.
 
  - Make guards in the init macros hygienic.
 
 'allocator' module:
 
  - Use 'krealloc_aligned()' in 'KernelAllocator::alloc' preventing
    misaligned allocations when the Rust 1.71.1 upgrade is applied later
    in this pull.
 
    The equivalent fix for the previous compiler version (where
    'KernelAllocator' is not yet used) was merged into 6.5 already,
    which added the 'krealloc_aligned()' function used here.
 
  - Implement 'KernelAllocator::{realloc, alloc_zeroed}' for performance,
    using 'krealloc_aligned()' too, which forwards the call to the C API.
 
 'types' module:
 
  - Make 'Opaque' be '!Unpin', removing the need to add a 'PhantomPinned'
    field to Rust structs that contain C structs which must not be moved.
 
  - Make 'Opaque' use 'UnsafeCell' as the outer type, rather than inner.
 
 Documentation:
 
  - Suggest obtaining the source code of the Rust's 'core' library using
    the tarball instead of the repository.
 
 MAINTAINERS:
 
  - Andreas and Alice, from Samsung and Google respectively, are joining
    as reviewers of the "RUST" entry.
 
 As well as a few other minor changes and cleanups.
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Merge tag 'rust-6.6' of https://github.com/Rust-for-Linux/linux

Pull rust updates from Miguel Ojeda:
 "In terms of lines, most changes this time are on the pinned-init API
  and infrastructure. While we have a Rust version upgrade, and thus a
  bunch of changes from the vendored 'alloc' crate as usual, this time
  those do not account for many lines.

  Toolchain and infrastructure:

   - Upgrade to Rust 1.71.1. This is the second such upgrade, which is a
     smaller jump compared to the last time.

     This version allows us to remove the '__rust_*' allocator functions
     -- the compiler now generates them as expected, thus now our
     'KernelAllocator' is used.

     It also introduces the 'offset_of!' macro in the standard library
     (as an unstable feature) which we will need soon. So far, we were
     using a declarative macro as a prerequisite in some not-yet-landed
     patch series, which did not support sub-fields (i.e. nested
     structs):

         #[repr(C)]
         struct S {
             a: u16,
             b: (u8, u8),
         }

         assert_eq!(offset_of!(S, b.1), 3);

   - Upgrade to bindgen 0.65.1. This is the first time we upgrade its
     version.

     Given it is a fairly big jump, it comes with a fair number of
     improvements/changes that affect us, such as a fix needed to
     support LLVM 16 as well as proper support for '__noreturn' C
     functions, which are now mapped to return the '!' type in Rust:

         void __noreturn f(void); // C
         pub fn f() -> !;         // Rust

   - 'scripts/rust_is_available.sh' improvements and fixes.

     This series takes care of all the issues known so far and adds a
     few new checks to cover for even more cases, plus adds some more
     help texts. All this together will hopefully make problematic
     setups easier to identify and to be solved by users building the
     kernel.

     In addition, it adds a test suite which covers all branches of the
     shell script, as well as tests for the issues found so far.

   - Support rust-analyzer for out-of-tree modules too.

   - Give 'cfg's to rust-analyzer for the 'core' and 'alloc' crates.

   - Drop 'scripts/is_rust_module.sh' since it is not needed anymore.

  Macros crate:

   - New 'paste!' proc macro.

     This macro is a more flexible version of 'concat_idents!': it
     allows the resulting identifier to be used to declare new items and
     it allows to transform the identifiers before concatenating them,
     e.g.

         let x_1 = 42;
         paste!(let [<x _2>] = [<x _1>];);
         assert!(x_1 == x_2);

     The macro is then used for several of the pinned-init API changes
     in this pull.

  Pinned-init API:

   - Make '#[pin_data]' compatible with conditional compilation of
     fields, allowing to write code like:

         #[pin_data]
         pub struct Foo {
             #[cfg(CONFIG_BAR)]
             a: Bar,
             #[cfg(not(CONFIG_BAR))]
             a: Baz,
         }

   - New '#[derive(Zeroable)]' proc macro for the 'Zeroable' trait,
     which allows 'unsafe' implementations for structs where every field
     implements the 'Zeroable' trait, e.g.:

         #[derive(Zeroable)]
         pub struct DriverData {
             id: i64,
             buf_ptr: *mut u8,
             len: usize,
         }

   - Add '..Zeroable::zeroed()' syntax to the 'pin_init!' macro for
     zeroing all other fields, e.g.:

         pin_init!(Buf {
             buf: [1; 64],
             ..Zeroable::zeroed()
         });

   - New '{,pin_}init_array_from_fn()' functions to create array
     initializers given a generator function, e.g.:

         let b: Box<[usize; 1_000]> = Box::init::<Error>(
             init_array_from_fn(|i| i)
         ).unwrap();

         assert_eq!(b.len(), 1_000);
         assert_eq!(b[123], 123);

   - New '{,pin_}chain' methods for '{,Pin}Init<T, E>' that allow to
     execute a closure on the value directly after initialization, e.g.:

         let foo = init!(Foo {
             buf <- init::zeroed()
         }).chain(|foo| {
             foo.setup();
             Ok(())
         });

   - Support arbitrary paths in init macros, instead of just identifiers
     and generic types.

   - Implement the 'Zeroable' trait for the 'UnsafeCell<T>' and
     'Opaque<T>' types.

   - Make initializer values inaccessible after initialization.

   - Make guards in the init macros hygienic.

  'allocator' module:

   - Use 'krealloc_aligned()' in 'KernelAllocator::alloc' preventing
     misaligned allocations when the Rust 1.71.1 upgrade is applied
     later in this pull.

     The equivalent fix for the previous compiler version (where
     'KernelAllocator' is not yet used) was merged into 6.5 already,
     which added the 'krealloc_aligned()' function used here.

   - Implement 'KernelAllocator::{realloc, alloc_zeroed}' for
     performance, using 'krealloc_aligned()' too, which forwards the
     call to the C API.

  'types' module:

   - Make 'Opaque' be '!Unpin', removing the need to add a
     'PhantomPinned' field to Rust structs that contain C structs which
     must not be moved.

   - Make 'Opaque' use 'UnsafeCell' as the outer type, rather than
     inner.

  Documentation:

   - Suggest obtaining the source code of the Rust's 'core' library
     using the tarball instead of the repository.

  MAINTAINERS:

   - Andreas and Alice, from Samsung and Google respectively, are
     joining as reviewers of the "RUST" entry.

  As well as a few other minor changes and cleanups"

* tag 'rust-6.6' of https://github.com/Rust-for-Linux/linux: (42 commits)
  rust: init: update expanded macro explanation
  rust: init: add `{pin_}chain` functions to `{Pin}Init<T, E>`
  rust: init: make `PinInit<T, E>` a supertrait of `Init<T, E>`
  rust: init: implement `Zeroable` for `UnsafeCell<T>` and `Opaque<T>`
  rust: init: add support for arbitrary paths in init macros
  rust: init: add functions to create array initializers
  rust: init: add `..Zeroable::zeroed()` syntax for zeroing all missing fields
  rust: init: make initializer values inaccessible after initializing
  rust: init: wrap type checking struct initializers in a closure
  rust: init: make guards in the init macros hygienic
  rust: add derive macro for `Zeroable`
  rust: init: make `#[pin_data]` compatible with conditional compilation of fields
  rust: init: consolidate init macros
  docs: rust: clarify what 'rustup override' does
  docs: rust: update instructions for obtaining 'core' source
  docs: rust: add command line to rust-analyzer section
  scripts: generate_rust_analyzer: provide `cfg`s for `core` and `alloc`
  rust: bindgen: upgrade to 0.65.1
  rust: enable `no_mangle_with_rust_abi` Clippy lint
  rust: upgrade to Rust 1.71.1
  ...
 2023-08-29 08:19:46 -07:00
Linus Torvalds
f2586d921c Hi, 
Contents:
 
 - Restrict linking of keys to .ima and .evm keyrings based on
   digitalSignature attribute in the certificate.
 - PowerVM: load machine owner keys into the .machine [1] keyring.
 - PowerVM: load module signing keys into the secondary trusted keyring
   (keys blessed by the vendor).
 - tpm_tis_spi: half-duplex transfer mode
 - tpm_tis: retry corrupted transfers
 - Apply revocation list (.mokx) to an all system keyrings (e.g. .machine
   keyring).
 
 [1] https://blogs.oracle.com/linux/post/the-machine-keyring
 
 BR, Jarkko
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Merge tag 'tpmdd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm updates from Jarkko Sakkinen:

 - Restrict linking of keys to .ima and .evm keyrings based on
   digitalSignature attribute in the certificate

 - PowerVM: load machine owner keys into the .machine [1] keyring

 - PowerVM: load module signing keys into the secondary trusted keyring
   (keys blessed by the vendor)

 - tpm_tis_spi: half-duplex transfer mode

 - tpm_tis: retry corrupted transfers

 - Apply revocation list (.mokx) to an all system keyrings (e.g.
   .machine keyring)

Link: https://blogs.oracle.com/linux/post/the-machine-keyring [1]

* tag 'tpmdd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  certs: Reference revocation list for all keyrings
  tpm/tpm_tis_synquacer: Use module_platform_driver macro to simplify the code
  tpm: remove redundant variable len
  tpm_tis: Resend command to recover from data transfer errors
  tpm_tis: Use responseRetry to recover from data transfer errors
  tpm_tis: Move CRC check to generic send routine
  tpm_tis_spi: Add hardware wait polling
  KEYS: Replace all non-returning strlcpy with strscpy
  integrity: PowerVM support for loading third party code signing keys
  integrity: PowerVM machine keyring enablement
  integrity: check whether imputed trust is enabled
  integrity: remove global variable from machine_keyring.c
  integrity: ignore keys failing CA restrictions on non-UEFI platform
  integrity: PowerVM support for loading CA keys on machine keyring
  integrity: Enforce digitalSignature usage in the ima and evm keyrings
  KEYS: DigitalSignature link restriction
  tpm_tis: Revert "tpm_tis: Disable interrupts on ThinkPad T490s"
 2023-08-29 08:05:18 -07:00
Vlastimil Babka
3d053e8060 Merge branch 'slab/for-6.6/random_kmalloc' into slab/for-next 
Merge the new hardening feature to make heap spraying harder, by GONG,
Ruiqi. It creates multiple (16) copies of kmalloc caches, reducing the
chance of an attacker-controllable allocation site to land in the same
slab as e.g.  an allocation site with use-after-free vulnerability. The
selection of the copy is derived from the allocation site address,
including a per-boot random seed.

In line with SLAB deprecation, this is a SLUB only feature, incompatible
with SLUB_TINY due to the memory overhead of the extra cache copies.
 2023-08-29 11:23:04 +02:00
Christian Brauner
dc3216b141
super: ensure valid info 
For keyed filesystems that recycle superblocks based on s_fs_info or
information contained therein s_fs_info must be kept as long as the
superblock is on the filesystem type super list. This isn't guaranteed
as s_fs_info will be freed latest in sb->kill_sb().

The fix is simply to perform notification and list removal in
kill_anon_super(). Any filesystem needs to free s_fs_info after they
call the kill_*() helpers. If they don't they risk use-after-free right
now so fixing it here is guaranteed that s_fs_info remain valid.

For block backed filesystems notifying in pass sb->kill_sb() in
deactivate_locked_super() remains unproblematic and is required because
multiple other block devices can be shut down after kill_block_super()
has been called from a filesystem's sb->kill_sb() handler. For example,
ext4 and xfs close additional devices. Block based filesystems don't
depend on s_fs_info (btrfs does use s_fs_info but also uses
kill_anon_super() and not kill_block_super().).

Sorry for that braino. Goal should be to unify this behavior during this
cycle obviously. But let's please do a simple bugfix now.

Fixes: 2c18a63b76 ("super: wait until we passed kill super")
Fixes: syzbot+5b64180f8d9e39d3f061@syzkaller.appspotmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reported-by: syzbot+5b64180f8d9e39d3f061@syzkaller.appspotmail.com
Message-Id: <20230828-vfs-super-fixes-v1-2-b37a4a04a88f@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2023-08-29 10:13:04 +02:00
Christian Brauner
345a5c4a0b
super: move lockdep assert 
Fix braino and move the lockdep assertion after put_super() otherwise we
risk a use-after-free.

Fixes: 2c18a63b76 ("super: wait until we passed kill super")
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Message-Id: <20230828-vfs-super-fixes-v1-1-b37a4a04a88f@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2023-08-29 10:13:04 +02:00
Paolo Abeni
c873512ef3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 
Merge in late fixes to prepare for the 6.6 net-next PR.

No conflicts.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 2023-08-29 07:44:56 +02:00
Linus Torvalds
1c59d38339 linux-kselftest-nolibc-6.6-rc1 
This nolibc update for Linux 6.6-rc1 consists of:
 
 Nolibc:
   - improved portability by removing build errors with -ENOSYS
   - added syscall6() on MIPS to support pselect6() and mmap()
   - added setvbuf(), rmdir(), pipe(), pipe2()
   - add support for ppc/ppc64
   - environ is no longer optional
   - fixed frame pointer issues at -O0
   - dropped sys_stat() in favor of sys_statx()
   - centralized _start_c() to remove lots of asm code
   - switched size_t to __SIZE_TYPE__
 
 Selftests:
   - improved status reporting (success/warning/failure counts,
     path to log file)
   - various code cleanups (indent, unused variables, ...)
   - more consistent test numbering
   - enabled compiler warnings
   - dropped unreliable chmod_net test
   - improved reliability (create /dev/zero & /tmp, rely less on /proc)
   - new tests (brk/sbrk/mmap/munmap)
   - improved compatibility with musl
   - new run-nolibc-test target to build and run natively
   - new run-libc-test target to build and run against native libc
   - made the cmdline parser more reliable against boolean arguments
   - dropped dependency on memfd for vfprintf() test
   - nolibc-test is no longer stripped
   - added support for extending ARCH via XARCH
 
 Other:
   - add Thomas as co-maintainer
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Merge tag 'linux-kselftest-nolibc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull nolibc updates from Shuah Khan:
 "Nolibc:
   - improved portability by removing build errors with -ENOSYS
   - added syscall6() on MIPS to support pselect6() and mmap()
   - added setvbuf(), rmdir(), pipe(), pipe2()
   - add support for ppc/ppc64
   - environ is no longer optional
   - fixed frame pointer issues at -O0
   - dropped sys_stat() in favor of sys_statx()
   - centralized _start_c() to remove lots of asm code
   - switched size_t to __SIZE_TYPE__

  Selftests:
   - improved status reporting (success/warning/failure counts, path to
     log file)
   - various code cleanups (indent, unused variables, ...)
   - more consistent test numbering
   - enabled compiler warnings
   - dropped unreliable chmod_net test
   - improved reliability (create /dev/zero & /tmp, rely less on /proc)
   - new tests (brk/sbrk/mmap/munmap)
   - improved compatibility with musl
   - new run-nolibc-test target to build and run natively
   - new run-libc-test target to build and run against native libc
   - made the cmdline parser more reliable against boolean arguments
   - dropped dependency on memfd for vfprintf() test
   - nolibc-test is no longer stripped
   - added support for extending ARCH via XARCH

  Other:
   - add Thomas as co-maintainer"

* tag 'linux-kselftest-nolibc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (103 commits)
  tools/nolibc: avoid undesired casts in the __sysret() macro
  tools/nolibc: keep brk(), sbrk(), mmap() away from __sysret()
  tools/nolibc: silence ppc64 compile warnings
  selftests/nolibc: libc-test: use HOSTCC instead of CC
  tools/nolibc: stackprotector.h: make __stack_chk_init static
  selftests/nolibc: allow report with existing test log
  selftests/nolibc: add test support for ppc64
  selftests/nolibc: add test support for ppc64le
  selftests/nolibc: add test support for ppc
  selftests/nolibc: add XARCH and ARCH mapping support
  tools/nolibc: add support for powerpc64
  tools/nolibc: add support for powerpc
  MAINTAINERS: nolibc: add myself as co-maintainer
  selftests/nolibc: enable compiler warnings
  selftests/nolibc: don't strip nolibc-test
  selftests/nolibc: prevent out of bounds access in expect_vfprintf
  selftests/nolibc: use correct return type for read() and write()
  selftests/nolibc: avoid sign-compare warnings
  selftests/nolibc: avoid unused parameter warnings
  selftests/nolibc: make functions static if possible
  ...
 2023-08-28 19:03:24 -07:00
Linus Torvalds
815c24a085 linux-kselftest-kunit-6.6-rc1 
This kunit update for Linux 6.6.rc1 consists of:
 
 -- Adds support for running Rust documentation tests as KUnit tests
 -- Makes init, str, sync, types doctests compilable/testable
 -- Adds support for attributes API which include speed, modules
    attributes, ability to filter and report attributes.
 -- Adds support for marking tests slow using attributes API.
 -- Adds attributes API documentation
 -- Fixes to wild-memory-access bug in kunit_filter_suites() and
    a possible memory leak in kunit_filter_suites()
 -- Adds support for counting number of test suites in a module, list
    action to kunit test modules, and test filtering on module tests.
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Merge tag 'linux-kselftest-kunit-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit updates from Shuah Khan:

 - add support for running Rust documentation tests as KUnit tests

 - make init, str, sync, types doctests compilable/testable

 - add support for attributes API which include speed, modules
   attributes, ability to filter and report attributes

 - add support for marking tests slow using attributes API

 - add attributes API documentation

 - fix a wild-memory-access bug in kunit_filter_suites() and a possible
   memory leak in kunit_filter_suites()

 - add support for counting number of test suites in a module, list
   action to kunit test modules, and test filtering on module tests

* tag 'linux-kselftest-kunit-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (25 commits)
  kunit: fix struct kunit_attr header
  kunit: replace KUNIT_TRIGGER_STATIC_STUB maro with KUNIT_STATIC_STUB_REDIRECT
  kunit: Allow kunit test modules to use test filtering
  kunit: Make 'list' action available to kunit test modules
  kunit: Report the count of test suites in a module
  kunit: fix uninitialized variables bug in attributes filtering
  kunit: fix possible memory leak in kunit_filter_suites()
  kunit: fix wild-memory-access bug in kunit_filter_suites()
  kunit: Add documentation of KUnit test attributes
  kunit: add tests for filtering attributes
  kunit: time: Mark test as slow using test attributes
  kunit: memcpy: Mark tests as slow using test attributes
  kunit: tool: Add command line interface to filter and report attributes
  kunit: Add ability to filter attributes
  kunit: Add module attribute
  kunit: Add speed attribute
  kunit: Add test attributes API structure
  MAINTAINERS: add Rust KUnit files to the KUnit entry
  rust: support running Rust documentation tests as KUnit ones
  rust: types: make doctests compilable/testable
  ...
 2023-08-28 18:56:38 -07:00
Linus Torvalds
5a31cc7297 linux-kselftest-next-6.6-rc1 
This Kselftest update for Linux 6.6-rc1 consists of a mix of fixes,
 enhancements, and new tests. Bulk of the changes enhance and fix
 rseq and resctrl tests. In addition, user_events, dmabuf-heaps and
 perf_events are added to default kselftest build and test coverage.
 A futex test fix, enhance prctl test coverage, and minor fixes are
 included in this update.
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Merge tag 'linux-kselftest-next-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest updates from Shuah Khan:
 "A mix of fixes, enhancements, and new tests. Bulk of the changes
  enhance and fix rseq and resctrl tests.

  In addition, user_events, dmabuf-heaps and perf_events are added to
  default kselftest build and test coverage. A futex test fix, enhance
  prctl test coverage, and minor fixes are included in this update"

* tag 'linux-kselftest-next-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (32 commits)
  selftests: cachestat: use proper syscall number macro
  selftests: cachestat: properly link in librt
  selftests/futex: Order calls to futex_lock_pi
  selftests: Hook more tests into the build infrastructure
  selftests/user_events: Reenable build
  selftests/filesystems: Add six consecutive 'x' characters to mktemp
  selftests/rseq: Use rseq_unqual_scalar_typeof in macros
  selftests/rseq: Fix arm64 buggy load-acquire/store-release macros
  selftests/rseq: Implement rseq_unqual_scalar_typeof
  selftests/rseq: Fix CID_ID typo in Makefile
  selftests:prctl: add set-process-name to .gitignore
  selftests:prctl: Fix make clean override warning
  selftests/resctrl: Remove test type checks from cat_val()
  selftests/resctrl: Pass the real number of tests to show_cache_info()
  selftests/resctrl: Move CAT/CMT test global vars to function they are used in
  selftests/resctrl: Don't use variable argument list for ->setup()
  selftests/resctrl: Don't pass test name to fill_buf
  selftests/resctrl: Improve parameter consistency in fill_buf
  selftests/resctrl: Remove unnecessary startptr global from fill_buf
  selftests/resctrl: Remove "malloc_and_init_memory" param from run_fill_buf()
  ...
 2023-08-28 18:46:47 -07:00
Linus Torvalds
36534782b5 Thermal control updates for 6.6-rc1 
- Make the ACPI thermal driver use its own Notify() handler (Michal
    Wilczynski).
 
  - Rework the ACPI thermal driver to use a table of generic trip point
    structures on top of the internal representation of trip points and
    remove thermal zone callbacks that are not necessary any more from
    that driver (Rafael Wysocki).
 
  - Fix a few issues in the Intel DTS IOSF thermal driver, clean up code
    in it and make it pass tables of generic trip point structures to the
    core during thermal zone registration (Rafael Wysocki).
 
  - Drop a redundant check from the Intel DTS IOSF thermal driver's
    "remove" routine (Zhang Rui).
 
  - Use module_platform_driver() to replace an open-coded counterpart of
    it in the int340x thermal driver (Yang Yingliang).
 
  - Fix possible uninitialized value access in __thermal_of_bind() and
    __thermal_of_unbind() (Peng Fan).
 
  - Make the int3400 driver use thermal zone device wrappers (Daniel
    Lezcano).
 
  - Remove redundant thermal zone state check from the int340x thermal
    driver (Daniel Lezcano).
 
  - Drop non-functional nocrt parameter from ACPI thermal (Mario
    Limonciello).
 
  - Explicitly include correct DT includes in the thermal core and
    drivers (Rob Herring).
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Merge tag 'thermal-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "These rework the Intel DTS IOSF and the ACPI thermal drivers to pass
  tables of generic trip point structures to the core during
  initialization and make some requisite modifications in the thermal
  core, fix a few issues elsewhere and clean up code.

  This includes changes that are present in the ACPI updates too,
  because they involve both ACPI and the thermal core. The list of
  specific changes below is limited to thermal control, however.

  Specifics:

   - Make the ACPI thermal driver use its own Notify() handler (Michal
     Wilczynski)

   - Rework the ACPI thermal driver to use a table of generic trip point
     structures on top of the internal representation of trip points and
     remove thermal zone callbacks that are not necessary any more from
     that driver (Rafael Wysocki)

   - Fix a few issues in the Intel DTS IOSF thermal driver, clean up
     code in it and make it pass tables of generic trip point structures
     to the core during thermal zone registration (Rafael Wysocki)

   - Drop a redundant check from the Intel DTS IOSF thermal driver's
     "remove" routine (Zhang Rui)

   - Use module_platform_driver() to replace an open-coded counterpart
     of it in the int340x thermal driver (Yang Yingliang)

   - Fix possible uninitialized value access in __thermal_of_bind() and
     __thermal_of_unbind() (Peng Fan)

   - Make the int3400 driver use thermal zone device wrappers (Daniel
     Lezcano)

   - Remove redundant thermal zone state check from the int340x thermal
     driver (Daniel Lezcano)

   - Drop non-functional nocrt parameter from ACPI thermal (Mario
     Limonciello)

   - Explicitly include correct DT includes in the thermal core and
     drivers (Rob Herring)"

* tag 'thermal-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: intel: intel_soc_dts_iosf: Remove redundant check
  thermal: intel: int340x: simplify the code with module_platform_driver()
  thermal/of: Fix potential uninitialized value access
  thermal: intel: intel_soc_dts_iosf: Use struct thermal_trip
  thermal: intel: intel_soc_dts_iosf: Rework critical trip setup
  thermal: intel: intel_soc_dts_iosf: Add helper for resetting trip points
  thermal: intel: intel_soc_dts_iosf: Change initialization ordering
  thermal: intel: intel_soc_dts_iosf: Pass sensors to update_trip_temp()
  thermal: intel: intel_soc_dts_iosf: Untangle update_trip_temp()
  thermal: intel: intel_soc_dts_iosf: Always assume notification support
  thermal: intel: intel_soc_dts_iosf: Drop redundant symbol definition
  thermal: intel: intel_soc_dts_iosf: Always use 2 trips
  thermal: Explicitly include correct DT includes
  thermal/drivers/int340x: Do not check the thermal zone state
  thermal/drivers/int3400: Use thermal zone device wrappers
 2023-08-28 18:26:45 -07:00
Linus Torvalds
ccc5e98177 Power management updates for 6.6-rc1 
- Rework the menu and teo cpuidle governors to avoid calling
    tick_nohz_get_sleep_length(), which is likely to become quite
    expensive going forward, too often and improve making decisions
    regarding whether or not to stop the scheduler tick in the teo
    governor (Rafael Wysocki).
 
  - Improve the performance of cpufreq_stats_create_table() in some
    cases (Liao Chang).
 
  - Fix two issues in the amd-pstate-ut cpufreq driver (Swapnil Sapkal).
 
  - Use clamp() helper macro to improve the code readability in
    cpufreq_verify_within_limits() (Liao Chang).
 
  - Set stale CPU frequency to minimum in intel_pstate (Doug Smythies).
 
  - Migrate cpufreq drivers for various platforms to use void remove
    callback (Yangtao Li).
 
  - Add online/offline/exit hooks for Tegra driver (Sumit Gupta).
 
  - Explicitly include correct DT includes in cpufreq (Rob Herring).
 
  - Frequency domain updates for qcom-hw driver (Neil Armstrong).
 
  - Modify AMD pstate driver return the highest_perf value (Meng Li).
 
  - Generic cleanups for cppc, mediatek and powernow driver (Liao Chang,
    Konrad Dybcio).
 
  - Add more platforms to cpufreq-arm driver's blocklist (AngeloGioacchino
    Del Regno and Konrad Dybcio).
 
  - brcmstb-avs-cpufreq: Fix -Warray-bounds bug (Gustavo A. R. Silva).
 
  - Add device PM helpers to allow a device to remain powered-on during
    system-wide transitions (Ulf Hansson).
 
  - Rework hibernation memory snapshotting to avoid storing pages filled
    with zeros in hibernation image files (Brian Geffon).
 
  - Add check to make sure that CPU latency QoS constraints do not use
    negative values (Clive Lin).
 
  - Optimize rp->domains memory allocation in the Intel RAPL power
    capping driver (xiongxin).
 
  - Remove recursion while parsing zones in the arm_scmi power capping
    driver (Cristian Marussi).
 
  - Fix memory leak in devfreq_dev_release() (Boris Brezillon).
 
  - Rewrite devfreq_monitor_start() kerneldoc comment (Manivannan
    Sadhasivam).
 
  - Explicitly include correct DT includes in devfreq (Rob Herring).
 
  - Remove unsued pm_runtime_update_max_time_suspended() extern
    declaration (YueHaibing).
 
  - Add turbo-boost support to cpupower (Wyes Karny).
 
  - Add support for amd_pstate mode change to cpupower (Wyes Karny).
 
  - Fix 'cpupower idle_set' command to accept only numeric values of
    arguments (Likhitha Korrapati).
 
  - Clean up OPP code and add new frequency related APIs to it (Viresh
    Kumar, Manivannan Sadhasivam).
 
  - Convert ti cpufreq/opp bindings to json schema (Nishanth Menon).
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Merge tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These rework cpuidle governors to call tick_nohz_get_sleep_length()
  less often and fix one of them, rework hibernation to avoid storing
  pages filled with zeros in hibernation images, switch over some
  cpufreq drivers to use void remove callbacks, fix and clean up
  multiple cpufreq drivers, fix the devfreq core, update the cpupower
  utility and make other assorted improvements.

  Specifics:

   - Rework the menu and teo cpuidle governors to avoid calling
     tick_nohz_get_sleep_length(), which is likely to become quite
     expensive going forward, too often and improve making decisions
     regarding whether or not to stop the scheduler tick in the teo
     governor (Rafael Wysocki)

   - Improve the performance of cpufreq_stats_create_table() in some
     cases (Liao Chang)

   - Fix two issues in the amd-pstate-ut cpufreq driver (Swapnil Sapkal)

   - Use clamp() helper macro to improve the code readability in
     cpufreq_verify_within_limits() (Liao Chang)

   - Set stale CPU frequency to minimum in intel_pstate (Doug Smythies)

   - Migrate cpufreq drivers for various platforms to use void remove
     callback (Yangtao Li)

   - Add online/offline/exit hooks for Tegra driver (Sumit Gupta)

   - Explicitly include correct DT includes in cpufreq (Rob Herring)

   - Frequency domain updates for qcom-hw driver (Neil Armstrong)

   - Modify AMD pstate driver return the highest_perf value (Meng Li)

   - Generic cleanups for cppc, mediatek and powernow driver (Liao
     Chang, Konrad Dybcio)

   - Add more platforms to cpufreq-arm driver's blocklist
     (AngeloGioacchino Del Regno and Konrad Dybcio)

   - brcmstb-avs-cpufreq: Fix -Warray-bounds bug (Gustavo A. R. Silva)

   - Add device PM helpers to allow a device to remain powered-on during
     system-wide transitions (Ulf Hansson)

   - Rework hibernation memory snapshotting to avoid storing pages
     filled with zeros in hibernation image files (Brian Geffon)

   - Add check to make sure that CPU latency QoS constraints do not use
     negative values (Clive Lin)

   - Optimize rp->domains memory allocation in the Intel RAPL power
     capping driver (xiongxin)

   - Remove recursion while parsing zones in the arm_scmi power capping
     driver (Cristian Marussi)

   - Fix memory leak in devfreq_dev_release() (Boris Brezillon)

   - Rewrite devfreq_monitor_start() kerneldoc comment (Manivannan
     Sadhasivam)

   - Explicitly include correct DT includes in devfreq (Rob Herring)

   - Remove unsued pm_runtime_update_max_time_suspended() extern
     declaration (YueHaibing)

   - Add turbo-boost support to cpupower (Wyes Karny)

   - Add support for amd_pstate mode change to cpupower (Wyes Karny)

   - Fix 'cpupower idle_set' command to accept only numeric values of
     arguments (Likhitha Korrapati)

   - Clean up OPP code and add new frequency related APIs to it (Viresh
     Kumar, Manivannan Sadhasivam)

   - Convert ti cpufreq/opp bindings to json schema (Nishanth Menon)"

* tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
  cpufreq: tegra194: remove opp table in exit hook
  cpufreq: powernow-k8: Use related_cpus instead of cpus in driver.exit()
  cpufreq: tegra194: add online/offline hooks
  cpuidle: teo: Avoid unnecessary variable assignments
  cpufreq: qcom-cpufreq-hw: add support for 4 freq domains
  dt-bindings: cpufreq: qcom-hw: add a 4th frequency domain
  cpufreq: amd-pstate-ut: Fix kernel panic when loading the driver
  cpufreq: amd-pstate-ut: Remove module parameter access
  cpufreq: Use clamp() helper macro to improve the code readability
  PM: sleep: Add helpers to allow a device to remain powered-on
  PM: QoS: Add check to make sure CPU latency is non-negative
  PM: runtime: Remove unsued extern declaration of pm_runtime_update_max_time_suspended()
  cpufreq: intel_pstate: set stale CPU frequency to minimum
  cpufreq: stats: Improve the performance of cpufreq_stats_create_table()
  dt-bindings: cpufreq: Convert ti-cpufreq to json schema
  dt-bindings: opp: Convert ti-omap5-opp-supply to json schema
  OPP: Fix argument name in doc comment
  cpuidle: menu: Skip tick_nohz_get_sleep_length() call in some cases
  cpufreq: cppc: Set fie_disabled to FIE_DISABLED if fails to create kworker_fie
  cpufreq: cppc: cppc_cpufreq_get_rate() returns zero in all error cases.
  ...
 2023-08-28 18:04:39 -07:00
Linus Torvalds
330235e874 ACPI updates for 6.6-rc1 
- Update the ACPICA code in the kernel to upstream revision 20230628
    including the following changes:
    * Suppress a GCC 12 dangling-pointer warning (Philip Prindeville).
    * Reformat the ACPI_STATE_COMMON macro and its users (George Guo).
    * Replace the ternary operator with ACPI_MIN() (Jiangshan Yi).
    * Add support for _DSC as per ACPI 6.5 (Saket Dumbre).
    * Remove a duplicate macro from zephyr header (Najumon B.A).
    * Add data structures for GED and _EVT tracking (Jose Marinho).
    * Fix misspelled CDAT DSMAS define (Dave Jiang).
    * Simplify an error message in acpi_ds_result_push() (Christophe
      Jaillet).
    * Add a struct size macro related to SRAT (Dave Jiang).
    * Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar).
    * Add support for RISC-V external interrupt controllers in MADT (Sunil
      V L).
    * Add RHCT flags, CMO and MMU nodes (Sunil V L).
    * Change ACPICA version to 20230628 (Bob Moore).
 
  - Introduce new wrappers for ACPICA notify handler install/remove and
    convert multiple drivers to using their own Notify() handlers instead
    of the ACPI bus type .notify() slated for removal (Michal Wilczynski).
 
  - Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2 (Hans
    de Goede).
 
  - Put ACPI video and its child devices explicitly into D0 on boot to
    avoid platform firmware confusion (Kai-Heng Feng).
 
  - Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby).
 
  - Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao).
 
  - Convert ACPI CPU initialization to using _OSC instead of _PDC that
    has been depreceted since 2018 and dropped from the specification in
    ACPI 6.5 (Michal Wilczynski, Rafael Wysocki).
 
  - Drop non-functional nocrt parameter from ACPI thermal (Mario
    Limonciello).
 
  - Clean up the ACPI thermal driver, rework the handling of firmware
    notifications in it and make it provide a table of generic trip point
    structures to the core during initialization (Rafael Wysocki).
 
  - Defer enumeration of devices with _DEP pointing to IVSC (Wentong Wu).
 
  - Install SystemCMOS address space handler for ACPI000E (TAD) to meet
    platform firmware expectations on some platforms (Zhang Rui).
 
  - Fix finding the generic error data in the ACPi extlog driver for
    compatibility with old and new firmware interface versions (Xiaochun
    Lee).
 
  - Remove assorted unused declarations of functions (Yue Haibing).
 
  - Move AMBA bus scan handling into arm64 specific directory (Sudeep
    Holla).
 
  - Fix and clean up suspend-to-idle interface for AMD systems (Mario
    Limonciello, Andy Shevchenko).
 
  - Fix string truncation warning in pnpacpi_add_device() (Sunil V L).
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Merge tag 'acpi-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These include new ACPICA material, a rework of the ACPI thermal
  driver, a switch-over of the ACPI processor driver to using _OSC
  instead of (long deprecated) _PDC for CPU initialization, a rework of
  firmware notifications handling in several drivers, fixes and cleanups
  for suspend-to-idle handling on AMD systems, ACPI backlight driver
  updates and more.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20230628
     including the following changes:
      - Suppress a GCC 12 dangling-pointer warning (Philip Prindeville)
      - Reformat the ACPI_STATE_COMMON macro and its users (George Guo)
      - Replace the ternary operator with ACPI_MIN() (Jiangshan Yi)
      - Add support for _DSC as per ACPI 6.5 (Saket Dumbre)
      - Remove a duplicate macro from zephyr header (Najumon B.A)
      - Add data structures for GED and _EVT tracking (Jose Marinho)
      - Fix misspelled CDAT DSMAS define (Dave Jiang)
      - Simplify an error message in acpi_ds_result_push() (Christophe
        Jaillet)
      - Add a struct size macro related to SRAT (Dave Jiang)
      - Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar)
      - Add support for RISC-V external interrupt controllers in MADT
        (Sunil V L)
      - Add RHCT flags, CMO and MMU nodes (Sunil V L)
      - Change ACPICA version to 20230628 (Bob Moore)

   - Introduce new wrappers for ACPICA notify handler install/remove and
     convert multiple drivers to using their own Notify() handlers
     instead of the ACPI bus type .notify() slated for removal (Michal
     Wilczynski)

   - Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
     (Hans de Goede)

   - Put ACPI video and its child devices explicitly into D0 on boot to
     avoid platform firmware confusion (Kai-Heng Feng)

   - Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby)

   - Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao)

   - Convert ACPI CPU initialization to using _OSC instead of _PDC that
     has been depreceted since 2018 and dropped from the specification
     in ACPI 6.5 (Michal Wilczynski, Rafael Wysocki)

   - Drop non-functional nocrt parameter from ACPI thermal (Mario
     Limonciello)

   - Clean up the ACPI thermal driver, rework the handling of firmware
     notifications in it and make it provide a table of generic trip
     point structures to the core during initialization (Rafael Wysocki)

   - Defer enumeration of devices with _DEP pointing to IVSC (Wentong
     Wu)

   - Install SystemCMOS address space handler for ACPI000E (TAD) to meet
     platform firmware expectations on some platforms (Zhang Rui)

   - Fix finding the generic error data in the ACPi extlog driver for
     compatibility with old and new firmware interface versions
     (Xiaochun Lee)

   - Remove assorted unused declarations of functions (Yue Haibing)

   - Move AMBA bus scan handling into arm64 specific directory (Sudeep
     Holla)

   - Fix and clean up suspend-to-idle interface for AMD systems (Mario
     Limonciello, Andy Shevchenko)

   - Fix string truncation warning in pnpacpi_add_device() (Sunil V L)"

* tag 'acpi-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (66 commits)
  ACPI: x86: s2idle: Add a function to get LPS0 constraint for a device
  ACPI: x86: s2idle: Add for_each_lpi_constraint() helper
  ACPI: x86: s2idle: Add more debugging for AMD constraints parsing
  ACPI: x86: s2idle: Fix a logic error parsing AMD constraints table
  ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
  ACPI: x86: s2idle: Post-increment variables when getting constraints
  ACPI: Adjust #ifdef for *_lps0_dev use
  ACPI: TAD: Install SystemCMOS address space handler for ACPI000E
  ACPI: Remove assorted unused declarations of functions
  ACPI: extlog: Fix finding the generic error data for v3 structure
  PNP: ACPI: Fix string truncation warning
  ACPI: Remove unused extern declaration acpi_paddr_to_node()
  ACPI: video: Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
  ACPI: video: Put ACPI video and its child devices into D0 on boot
  ACPI: processor: LoongArch: Get physical ID from MADT
  ACPI: scan: Defer enumeration of devices with a _DEP pointing to IVSC device
  ACPI: thermal: Eliminate code duplication from acpi_thermal_notify()
  ACPI: thermal: Drop unnecessary thermal zone callbacks
  ACPI: thermal: Rework thermal_get_trend()
  ACPI: thermal: Use trip point table to register thermal zones
  ...
 2023-08-28 17:58:39 -07:00