delayed_cache_work_func() and the cache_work_func() are both wrappers of
__cache_work_func(). Instead of having a special not delayed work, use the
delayed work with delay = 0.
Link: https://lore.kernel.org/r/18b6ae205e75f087aa4a2a05c81ea8b66d8d88dc.1644947594.git.leonro@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
XRC INI QPs should be able to adjust their local ACK timeout.
Fixes: 2c1619edef ("IB/cma: Define option to set ack timeout and pack tos_set")
Link: https://lore.kernel.org/r/1644421175-31943-1-git-send-email-haakon.bugge@oracle.com
Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Suggested-by: Avneesh Pant <avneesh.pant@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Finish removing mcg from rxe pools. Replace rxe pools ref counting by
kref's. Replace rxe_alloc by kzalloc.
Link: https://lore.kernel.org/r/20220208211644.123457-8-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Now that rxe_mcast.c has it's own red-black tree support there is no
longer any requirement for key'ed objects in rxe pools. This patch removes
the key APIs and related code.
Link: https://lore.kernel.org/r/20220208211644.123457-7-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Continuing to decouple mcg from rxe pools. Create red-black tree code in
rxe_mcast.c to hold mcg index. Replace pool key calls by calls to local
red-black routines.
Link: https://lore.kernel.org/r/20220208211644.123457-6-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Replace 'grp' by 'mcg', 'mce' by 'mca'. Shorten subroutine names in
rxe_mcast.c. These name uses are more in line with other object names
used.
Link: https://lore.kernel.org/r/20220208211644.123457-4-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Remove rxe_mca (was rxe_mc_elem) from rxe pools and use kzmalloc and kfree
to allocate and free in rxe_mcast.c. Call kzalloc outside of spinlocks to
avoid having to use GFP_ATOMIC.
Link: https://lore.kernel.org/r/20220208211644.123457-3-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Replace mcg->mcg_lock and mc_grp_pool->pool_lock by rxe->mcg_lock. This
is the first step of several intended to decouple the mc_grp and mc_elem
objects from the rxe pool code.
Link: https://lore.kernel.org/r/20220208211644.123457-2-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
A previous patch replaced all irqsave locks in rxe with bh locks. This
ran into problems because rdmacm has a bad habit of calling rdma verbs
APIs while disabling irqs. This is not allowed during spin_unlock_bh()
causing programs that use rdmacm to fail. This patch reverts the changes
to locks that had this problem or got dragged into the same mess. After
this patch blktests/check -q srp now runs correctly.
Link: https://lore.kernel.org/r/20220215194448.44369-1-rpearsonhpe@gmail.com
Fixes: 21adfa7a3c ("RDMA/rxe: Replace irqsave locks with bh locks")
Reported-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Tested-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/infiniband/hw/hfi1/affinity.c code calls cpumask_weight() to check
if any bit of a given cpumask is set. We can do it more efficiently with
cpumask_empty() because cpumask_empty() stops traversing the cpumask as
soon as it finds first set bit, while cpumask_weight() counts all bits
unconditionally.
Link: https://lore.kernel.org/r/20220210224933.379149-20-yury.norov@gmail.com
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Add DSCP support for the Intel Ethernet 800 Series devices. Setup VSI
DSCP info when PCI driver indicates DSCP mode during driver probe or as
notification event.
Link: https://lore.kernel.org/r/20220202191921.1638-4-shiraz.saleem@intel.com
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Rename dcb flag to dcb_vlan_mode in irdma_device struct. Add a new helper
function, irdma_set_qos_info, to set the VSI QoS information passed by the
PCI driver.
Link: https://lore.kernel.org/r/20220202191921.1638-3-shiraz.saleem@intel.com
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
It's wrong to check the last packet by RXE_COMP_MASK because the flag is
to indicate if responder needs to generate a completion.
Fixes: 9fcd67d177 ("IB/rxe: increment msn only when completing a request")
Fixes: 8700e3e7c4 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/20211229034438.1854908-1-yangx.jy@fujitsu.com
Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Variable nreq is being assigned a value that is never read. The assignment
is redundant and can be removed.
Link: https://lore.kernel.org/r/20220130225747.8114-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Since it is no longer required to cleanup attachments to multicast
groups when a QP is destroyed qp->grp_lock and qp->grp_list are
no longer needed and are removed.
Link: https://lore.kernel.org/r/20220127213755.31697-7-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
With o10-2.2.3 enforced rxe_drop_all_mcast_groups is completely
unnecessary. Remove it and references to it.
Link: https://lore.kernel.org/r/20220127213755.31697-6-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Add code to check if a QP is attached to one or more multicast groups
when destroy_qp is called and return an error if so.
Link: https://lore.kernel.org/r/20220127213755.31697-5-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Rename rxe_mc_grp to rxe_mcg. Rename rxe_mc_elem to rxe_mca.
These can be read 'multicast group' and 'multicast attachment'.
'elem' collided with the use of elem in rxe pools and was a little
confusing.
Link: https://lore.kernel.org/r/20220127213755.31697-4-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Move rxe_mcast_attach and rxe_mcast_detach from rxe_verbs.c to rxe_mcast.c,
Make non-static and add declarations to rxe_loc.h. Make the subroutines
in rxe_mcast.c referenced by these routines static and remove their
declarations from rxe_loc.h.
Link: https://lore.kernel.org/r/20220127213755.31697-3-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Move rxe_mcast_add and rxe_mcast_delete from rxe_net.c to rxe_mcast.c,
make static and remove declarations from rxe_loc.h.
Link: https://lore.kernel.org/r/20220127213755.31697-2-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
We can't do instant reconnect, not to DDoS server, but we should stop and
failover earlier, so there is less service interruption.
To avoid deadlock, as error_recovery is called from different callback
like rdma event or hb error handler, add a new err recovery_work.
Link: https://lore.kernel.org/r/20220114154753.983568-6-haris.iqbal@ionos.com
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Aleksei Marov <aleksei.marov@ionos.com>
Reviewed-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The skip_list is used for both MIN_INFLIGHT and MIN_LATENCY.
Link: https://lore.kernel.org/r/20220114154753.983568-5-haris.iqbal@ionos.com
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Fix:
CHECK:OPEN_ENDED_LINE: Lines should not end with a '('
Link: https://lore.kernel.org/r/20220114154753.983568-4-haris.iqbal@ionos.com
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Fix:
CHECK:BRACES: Blank lines aren't necessary after an open brace '{'
Link: https://lore.kernel.org/r/20220114154753.983568-2-haris.iqbal@ionos.com
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Merge tag 'bitmap-5.17-rc1' of git://github.com/norov/linux
Pull bitmap updates from Yury Norov:
- introduce for_each_set_bitrange()
- use find_first_*_bit() instead of find_next_*_bit() where possible
- unify for_each_bit() macros
* tag 'bitmap-5.17-rc1' of git://github.com/norov/linux:
vsprintf: rework bitmap_list_string
lib: bitmap: add performance test for bitmap_print_to_pagebuf
bitmap: unify find_bit operations
mm/percpu: micro-optimize pcpu_is_populated()
Replace for_each_*_bit_from() with for_each_*_bit() where appropriate
find: micro-optimize for_each_{set,clear}_bit()
include/linux: move for_each_bit() macros from bitops.h to find.h
cpumask: replace cpumask_next_* with cpumask_first_* where appropriate
tools: sync tools/bitmap with mother linux
all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate
cpumask: use find_first_and_bit()
lib: add find_first_and_bit()
arch: remove GENERIC_FIND_FIRST_BIT entirely
include: move find.h from asm_generic to linux
bitops: move find_bit_*_le functions from le.h to find.h
bitops: protect find_first_{,zero}_bit properly
Merge more updates from Andrew Morton:
"55 patches.
Subsystems affected by this patch series: percpu, procfs, sysctl,
misc, core-kernel, get_maintainer, lib, checkpatch, binfmt, nilfs2,
hfs, fat, adfs, panic, delayacct, kconfig, kcov, and ubsan"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (55 commits)
lib: remove redundant assignment to variable ret
ubsan: remove CONFIG_UBSAN_OBJECT_SIZE
kcov: fix generic Kconfig dependencies if ARCH_WANTS_NO_INSTR
lib/Kconfig.debug: make TEST_KMOD depend on PAGE_SIZE_LESS_THAN_256KB
btrfs: use generic Kconfig option for 256kB page size limit
arch/Kconfig: split PAGE_SIZE_LESS_THAN_256KB from PAGE_SIZE_LESS_THAN_64KB
configs: introduce debug.config for CI-like setup
delayacct: track delays from memory compact
Documentation/accounting/delay-accounting.rst: add thrashing page cache and direct compact
delayacct: cleanup flags in struct task_delay_info and functions use it
delayacct: fix incomplete disable operation when switch enable to disable
delayacct: support swapin delay accounting for swapping without blkio
panic: remove oops_id
panic: use error_report_end tracepoint on warnings
fs/adfs: remove unneeded variable make code cleaner
FAT: use io_schedule_timeout() instead of congestion_wait()
hfsplus: use struct_group_attr() for memcpy() region
nilfs2: remove redundant pointer sbufs
fs/binfmt_elf: use PT_LOAD p_align values for static PIE
const_structs.checkpatch: add frequently used ops structs
...
Patch series "test_hash.c: refactor into KUnit", v3.
We refactored the lib/test_hash.c file into KUnit as part of the student
group LKCAMP [1] introductory hackathon for kernel development.
This test was pointed to our group by Daniel Latypov [2], so its full
conversion into a pure KUnit test was our goal in this patch series, but
we ran into many problems relating to it not being split as unit tests,
which complicated matters a bit, as the reasoning behind the original
tests is quite cryptic for those unfamiliar with hash implementations.
Some interesting developments we'd like to highlight are:
- In patch 1/5 we noticed that there was an unused define directive
that could be removed.
- In patch 4/5 we noticed how stringhash and hash tests are all under
the lib/test_hash.c file, which might cause some confusion, and we
also broke those kernel config entries up.
Overall KUnit developments have been made in the other patches in this
series:
In patches 2/5, 3/5 and 5/5 we refactored the lib/test_hash.c file so as
to make it more compatible with the KUnit style, whilst preserving the
original idea of the maintainer who designed it (i.e. George Spelvin),
which might be undesirable for unit tests, but we assume it is enough
for a first patch.
This patch (of 5):
Currently, there exist hash_32() and __hash_32() functions, which were
introduced in a patch [1] targeting architecture specific optimizations.
These functions can be overridden on a per-architecture basis to achieve
such optimizations. They must set their corresponding define directive
(HAVE_ARCH_HASH_32 and HAVE_ARCH__HASH_32, respectively) so that header
files can deal with these overrides properly.
As the supported 32-bit architectures that have their own hash function
implementation (i.e. m68k, Microblaze, H8/300, pa-risc) have only been
making use of the (more general) __hash_32() function (which only lacks
a right shift operation when compared to the hash_32() function), remove
the define directive corresponding to the arch-specific hash_32()
implementation.
[1] https://lore.kernel.org/lkml/20160525073311.5600.qmail@ns.sciencehorizons.net/
[akpm@linux-foundation.org: hash_32_generic() becomes hash_32()]
Link: https://lkml.kernel.org/r/20211208183711.390454-1-isabbasso@riseup.net
Link: https://lkml.kernel.org/r/20211208183711.390454-2-isabbasso@riseup.net
Reviewed-by: David Gow <davidgow@google.com>
Tested-by: David Gow <davidgow@google.com>
Co-developed-by: Augusto Durães Camargo <augusto.duraes33@gmail.com>
Signed-off-by: Augusto Durães Camargo <augusto.duraes33@gmail.com>
Co-developed-by: Enzo Ferreira <ferreiraenzoa@gmail.com>
Signed-off-by: Enzo Ferreira <ferreiraenzoa@gmail.com>
Signed-off-by: Isabella Basso <isabbasso@riseup.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Daniel Latypov <dlatypov@google.com>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We'd better use the helper get_task_comm() rather than the open-coded
strlcpy() to get task comm. As the comment above the hard-coded 16, we
can replace it with TASK_COMM_LEN.
Link: https://lkml.kernel.org/r/20211120112738.45980-4-laoar.shao@gmail.com
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Merge misc updates from Andrew Morton:
"146 patches.
Subsystems affected by this patch series: kthread, ia64, scripts,
ntfs, squashfs, ocfs2, vfs, and mm (slab-generic, slab, kmemleak,
dax, kasan, debug, pagecache, gup, shmem, frontswap, memremap,
memcg, selftests, pagemap, dma, vmalloc, memory-failure, hugetlb,
userfaultfd, vmscan, mempolicy, oom-kill, hugetlbfs, migration, thp,
ksm, page-poison, percpu, rmap, zswap, zram, cleanups, hmm, and
damon)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (146 commits)
mm/damon: hide kernel pointer from tracepoint event
mm/damon/vaddr: hide kernel pointer from damon_va_three_regions() failure log
mm/damon/vaddr: use pr_debug() for damon_va_three_regions() failure logging
mm/damon/dbgfs: remove an unnecessary variable
mm/damon: move the implementation of damon_insert_region to damon.h
mm/damon: add access checking for hugetlb pages
Docs/admin-guide/mm/damon/usage: update for schemes statistics
mm/damon/dbgfs: support all DAMOS stats
Docs/admin-guide/mm/damon/reclaim: document statistics parameters
mm/damon/reclaim: provide reclamation statistics
mm/damon/schemes: account how many times quota limit has exceeded
mm/damon/schemes: account scheme actions that successfully applied
mm/damon: remove a mistakenly added comment for a future feature
Docs/admin-guide/mm/damon/usage: update for kdamond_pid and (mk|rm)_contexts
Docs/admin-guide/mm/damon/usage: mention tracepoint at the beginning
Docs/admin-guide/mm/damon/usage: remove redundant information
Docs/admin-guide/mm/damon/usage: update for scheme quotas and watermarks
mm/damon: convert macro functions to static inline functions
mm/damon: modify damon_rand() macro to static inline function
mm/damon: move damon_rand() definition into damon.h
...
find_first{,_zero}_bit is a more effective analogue of 'next' version if
start == 0. This patch replaces 'next' with 'first' where things look
trivial.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Substantially all bug fixes and cleanups:
- Update drivers to use common helpers for GUIDs, pkeys, bitmaps,
memset_startat, and others
- General code cleanups from bots
- Simplify some of the rxe pool code in preparation for a larger rework
- Clean out old stuff from hns, including all support for hip06 devices
- Fix a bug where GID table entries could be missed if the table had holes
in it
- Rename paths and sessions in rtrs for better understandability
- Consolidate the roce source port selection code
- NDR speed support in mlx5
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Another small cycle. Mostly cleanups and bug fixes, quite a bit
assisted from bots. There are a few new syzkaller splats that haven't
been solved yet but they should get into the rcs in a few weeks, I
think.
Summary:
- Update drivers to use common helpers for GUIDs, pkeys, bitmaps,
memset_startat, and others
- General code cleanups from bots
- Simplify some of the rxe pool code in preparation for a larger
rework
- Clean out old stuff from hns, including all support for hip06
devices
- Fix a bug where GID table entries could be missed if the table had
holes in it
- Rename paths and sessions in rtrs for better understandability
- Consolidate the roce source port selection code
- NDR speed support in mlx5"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (83 commits)
RDMA/irdma: Remove the redundant return
RDMA/rxe: Use the standard method to produce udp source port
RDMA/irdma: Make the source udp port vary
RDMA/hns: Replace get_udp_sport with rdma_get_udp_sport
RDMA/core: Calculate UDP source port based on flow label or lqpn/rqpn
IB/qib: Fix typos
RDMA/rtrs-clt: Rename rtrs_clt to rtrs_clt_sess
RDMA/rtrs-srv: Rename rtrs_srv to rtrs_srv_sess
RDMA/rtrs-clt: Rename rtrs_clt_sess to rtrs_clt_path
RDMA/rtrs-srv: Rename rtrs_srv_sess to rtrs_srv_path
RDMA/rtrs: Rename rtrs_sess to rtrs_path
RDMA/hns: Modify the hop num of HIP09 EQ to 1
IB/iser: Align coding style across driver
IB/iser: Remove un-needed casting to/from void pointer
IB/iser: Don't suppress send completions
IB/iser: Rename ib_ret local variable
IB/iser: Fix RNR errors
IB/iser: Remove deprecated pi_guard module param
IB/mlx5: Expose NDR speed through MAD
RDMA/cxgb4: Set queue pair state when being queried
...
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Merge tag 'v5.16' into rdma.git for-next
To resolve minor conflict in:
drivers/infiniband/hw/mlx5/mlx5_ib.h
By merging both hunks.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
