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Author SHA1 Message Date
Ian Kent
f19910006e
autofs: fix thinko in validate_dev_ioctl() 
I was so sure the per-dentry expire timeout patch worked ok but my
testing was flawed.

In validate_dev_ioctl() the check for ioctl AUTOFS_DEV_IOCTL_TIMEOUT_CMD
should use the ioctl number not the passed in ioctl command.

Fixes: 433f9d76a0 ("autofs: add per dentry expire timeout")
Cc: <stable@vger.kernel.org> # mainline only
Signed-off-by: Ian Kent <raven@themaw.net>
Link: https://lore.kernel.org/r/20241027224732.5507-1-raven@themaw.net
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-10-28 13:16:56 +01:00
David Howells
e65a0dc1ca
iov_iter: Fix iov_iter_get_pages*() for folio_queue 
p9_get_mapped_pages() uses iov_iter_get_pages_alloc2() to extract pages
from an iterator when performing a zero-copy request and under some
circumstances, this crashes with odd page errors[1], for example, I see:

    page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xbcf0
    flags: 0x2000000000000000(zone=1)
    ...
    page dumped because: VM_BUG_ON_FOLIO(((unsigned int) folio_ref_count(folio) + 127u <= 127u))
    ------------[ cut here ]------------
    kernel BUG at include/linux/mm.h:1444!

This is because, unlike in iov_iter_extract_folioq_pages(), the
iter_folioq_get_pages() helper function doesn't skip the current folio
when iov_offset points to the end of it, but rather extracts the next
page beyond the end of the folio and adds it to the list.  Reading will
then clobber the contents of this page, leading to system corruption,
and if the page is not in use, put_page() may try to clean up the unused
page.

This can be worked around by copying the iterator before each
extraction[2] and using iov_iter_advance() on the original as the
advance function steps over the page we're at the end of.

Fix this by skipping the page extraction if we're at the end of the
folio.

This was reproduced in the ktest environment[3] by forcing 9p to use the
fscache caching mode and then reading a file through 9p.

Fixes: db0aa2e956 ("mm: Define struct folio_queue and ITER_FOLIOQ to handle a sequence of folios")
Reported-by: Antony Antony <antony@phenome.org>
Closes: https://lore.kernel.org/r/ZxFQw4OI9rrc7UYc@Antony2201.local/
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Eric Van Hensbergen <ericvh@kernel.org>
cc: Latchesar Ionkov <lucho@ionkov.net>
cc: Dominique Martinet <asmadeus@codewreck.org>
cc: Christian Schoenebeck <linux_oss@crudebyte.com>
cc: v9fs@lists.linux.dev
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/ZxFEi1Tod43pD6JC@moon.secunet.de/ [1]
Link: https://lore.kernel.org/r/2299159.1729543103@warthog.procyon.org.uk/ [2]
Link: https://github.com/koverstreet/ktest.git [3]
Tested-by: Antony Antony <antony.antony@secunet.com>
Link: https://lore.kernel.org/r/3327438.1729678025@warthog.procyon.org.uk
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-10-24 13:50:27 +02:00
David Howells
247d65fb12
afs: Fix missing subdir edit when renamed between parent dirs 
When rename moves an AFS subdirectory between parent directories, the
subdir also needs a bit of editing: the ".." entry needs updating to point
to the new parent (though I don't make use of the info) and the DV needs
incrementing by 1 to reflect the change of content.  The server also sends
a callback break notification on the subdirectory if we have one, but we
can take care of recovering the promise next time we access the subdir.

This can be triggered by something like:

    mount -t afs %example.com:xfstest.test20 /xfstest.test/
    mkdir /xfstest.test/{aaa,bbb,aaa/ccc}
    touch /xfstest.test/bbb/ccc/d
    mv /xfstest.test/{aaa/ccc,bbb/ccc}
    touch /xfstest.test/bbb/ccc/e

When the pathwalk for the second touch hits "ccc", kafs spots that the DV
is incorrect and downloads it again (so the fix is not critical).

Fix this, if the rename target is a directory and the old and new
parents are different, by:

 (1) Incrementing the DV number of the target locally.

 (2) Editing the ".." entry in the target to refer to its new parent's
     vnode ID and uniquifier.

Link: https://lore.kernel.org/r/3340431.1729680010@warthog.procyon.org.uk
Fixes: 63a4681ff3 ("afs: Locally edit directory data for mkdir/create/unlink/...")
cc: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-10-24 13:50:27 +02:00
Hongbo Li
6b51b9f65c
doc: correcting the debug path for cachefiles 
The original debug path is under "/sys/modules", that's
wrong. The real path in kernel is "/sys/module". So we
can correct it.

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Link: https://lore.kernel.org/r/20241022013812.2880883-1-lihongbo22@huawei.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-10-24 13:50:27 +02:00
Christian Brauner
35100ae2dc
Merge patch series "fs/super.c: introduce get_tree_bdev_flags()" 
Allison Karlitskaya <allison.karlitskaya@redhat.com> says:

In context of my work on composefs/bootc I've been testing the new support
for directly mounting files with erofs (ie: without a loopback device) and
it's working well.  Thanks for adding this feature --- it's a huge quality
of life improvement for us.

I've observed a strange behaviour, though: when mounting a file as an
erofs, if you read() the filesystem context fd, you always get the
following error message reported: Can't lookup blockdev.

That's caused by the code in erofs_fc_get_tree() trying to call
get_tree_bdev() and recovering from the error in case it was ENOTBLK and
CONFIG_EROFS_FS_BACKED_BY_FILE.  Unfortunately, get_tree_bdev() logs the
error directly on the fs_context, so you get the error message even on
successful mounts.

It looks something like this at the syscall level:

fsopen("erofs", FSOPEN_CLOEXEC)         = 3
fsconfig(3, FSCONFIG_SET_FLAG, "ro", NULL, 0) = 0
fsconfig(3, FSCONFIG_SET_STRING, "source", "/home/lis/src/mountcfs/cfs", 0)
= 0
fsconfig(3, FSCONFIG_CMD_CREATE, NULL, NULL, 0) = 0
fsmount(3, FSMOUNT_CLOEXEC, 0)          = 5
move_mount(5, "", AT_FDCWD, "/tmp/composefs.upper.KuT5aV",
MOVE_MOUNT_F_EMPTY_PATH) = 0
read(3, "e /home/lis/src/mountcfs/cfs: Can't lookup blockdev\n", 1024) = 52

This is kernel 6.12.0-0.rc0.20240926git11a299a7933e.13.fc42.x86_64 from
Fedora Rawhide.

It's a pretty minor issue, but it sent me on a wild goose chase for an hour
or two, so probably it should get fixed before the final release.

Gao Xiang <hsiangkao@linux.alibaba.com>:

Fix this by providing a get_tree_bdev_flags() helper which can be used
to silence such warnings.

* patches from https://lore.kernel.org/r/20241009033151.2334888-1-hsiangkao@linux.alibaba.com:
  erofs: use get_tree_bdev_flags() to avoid misleading messages
  fs/super.c: introduce get_tree_bdev_flags()

Link: https://lore.kernel.org/r/20241009033151.2334888-1-hsiangkao@linux.alibaba.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-10-21 14:30:29 +02:00
Gao Xiang
14c2d97265
erofs: use get_tree_bdev_flags() to avoid misleading messages 
Users can pass in an arbitrary source path for the proper type of
a mount then without "Can't lookup blockdev" error message.

Reported-by: Allison Karlitskaya <allison.karlitskaya@redhat.com>
Closes: https://lore.kernel.org/r/CAOYeF9VQ8jKVmpy5Zy9DNhO6xmWSKMB-DO8yvBB0XvBE7=3Ugg@mail.gmail.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20241009033151.2334888-2-hsiangkao@linux.alibaba.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-10-21 14:30:27 +02:00
Gao Xiang
4021e68513
fs/super.c: introduce get_tree_bdev_flags() 
As Allison reported [1], currently get_tree_bdev() will store
"Can't lookup blockdev" error message.  Although it makes sense for
pure bdev-based fses, this message may mislead users who try to use
EROFS file-backed mounts since get_tree_nodev() is used as a fallback
then.

Add get_tree_bdev_flags() to specify extensible flags [2] and
GET_TREE_BDEV_QUIET_LOOKUP to silence "Can't lookup blockdev" message
since it's misleading to EROFS file-backed mounts now.

[1] https://lore.kernel.org/r/CAOYeF9VQ8jKVmpy5Zy9DNhO6xmWSKMB-DO8yvBB0XvBE7=3Ugg@mail.gmail.com
[2] https://lore.kernel.org/r/ZwUkJEtwIpUA4qMz@infradead.org

Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20241009033151.2334888-1-hsiangkao@linux.alibaba.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-10-21 14:30:26 +02:00
Linus Torvalds
42f7652d3e Linux 6.12-rc4 2024-10-20 15:19:38 -07:00
Linus Torvalds
d7f513ae7b bluetooth pull request for net: 
- ISO: Fix multiple init when debugfs is disabled
  - Call iso_exit() on module unload
  - Remove debugfs directory on module init failure
  - btusb: Fix not being able to reconnect after suspend
  - btusb: Fix regression with fake CSR controllers 0a12:0001
  - bnep: fix wild-memory-access in proto_unregister
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Merge tag 'for-net-2024-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

Pull bluetooth fixes from Luiz Augusto Von Dentz:

 - ISO: Fix multiple init when debugfs is disabled

 - Call iso_exit() on module unload

 - Remove debugfs directory on module init failure

 - btusb: Fix not being able to reconnect after suspend

 - btusb: Fix regression with fake CSR controllers 0a12:0001

 - bnep: fix wild-memory-access in proto_unregister

Note: normally the bluetooth fixes go through the networking tree, but
this missed the weekly merge, and two of the commits fix regressions
that have caused a fair amount of noise and have now hit stable too:

  https://lore.kernel.org/all/4e1977ca-6166-4891-965e-34a6f319035f@leemhuis.info/

So I'm pulling it directly just to expedite things and not miss yet
another -rc release. This is not meant to become a new pattern.

* tag 'for-net-2024-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
  Bluetooth: btusb: Fix regression with fake CSR controllers 0a12:0001
  Bluetooth: bnep: fix wild-memory-access in proto_unregister
  Bluetooth: btusb: Fix not being able to reconnect after suspend
  Bluetooth: Remove debugfs directory on module init failure
  Bluetooth: Call iso_exit() on module unload
  Bluetooth: ISO: Fix multiple init when debugfs is disabled
 2024-10-20 14:08:17 -07:00
Linus Torvalds
dd4f50373e Pin control fixes for the v6.12 kernel series: 
- Fix two error paths and a missing semicolon in the
   Intel driver.
 
 - Add a missing ACPI ID for the Intel Panther Lake.
 
 - Check return value of devm_kasprintf() in the Apple
   and STM32 drivers.
 
 - Add a missing mutex_destroy() in the aw9523 driver.
 
 - Fix a double free in cv1800_pctrl_dt_node_to_map()
   in the Sophgo driver.
 
 - Fix a double free in ma35_pinctrl_dt_node_to_map_func()
   in the Nuvoton driver.
 
 - Fix a bug in the Ocelot interrupt handler making the
   system hang.
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Merge tag 'pinctrl-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 "Mostly error path fixes, but one pretty serious interrupt problem in
  the Ocelot driver as well:

   - Fix two error paths and a missing semicolon in the Intel driver

   - Add a missing ACPI ID for the Intel Panther Lake

   - Check return value of devm_kasprintf() in the Apple and STM32
     drivers

   - Add a missing mutex_destroy() in the aw9523 driver

   - Fix a double free in cv1800_pctrl_dt_node_to_map() in the Sophgo
     driver

   - Fix a double free in ma35_pinctrl_dt_node_to_map_func() in the
     Nuvoton driver

   - Fix a bug in the Ocelot interrupt handler making the system hang"

* tag 'pinctrl-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: ocelot: fix system hang on level based interrupts
  pinctrl: nuvoton: fix a double free in ma35_pinctrl_dt_node_to_map_func()
  pinctrl: sophgo: fix double free in cv1800_pctrl_dt_node_to_map()
  pinctrl: intel: platform: Add Panther Lake to the list of supported
  pinctrl: aw9523: add missing mutex_destroy
  pinctrl: stm32: check devm_kasprintf() returned value
  pinctrl: apple: check devm_kasprintf() returned value
  pinctrl: intel: platform: use semicolon instead of comma in ncommunities assignment
  pinctrl: intel: platform: fix error path in device_for_each_child_node()
 2024-10-20 13:55:46 -07:00
Linus Torvalds
c55228220d Char/Misc/IIO fixes for 6.12-rc4 
Here are a number of small char/misc/iio driver fixes for 6.12-rc4.
 Included in here are the following:
   - loads of small iio driver fixes for reported problems
   - parport driver out-of-bounds fix
   - Kconfig description and MAINTAINERS file updates
 
 All of these, except for the Kconfig and MAINTAINERS file updates have
 been in linux-next all week.  Those other two are just documentation
 changes and will have no runtime issues and were merged on Friday.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull misc driver fixes from Greg KH:
 "Here are a number of small char/misc/iio driver fixes for 6.12-rc4:

   - loads of small iio driver fixes for reported problems

   - parport driver out-of-bounds fix

   - Kconfig description and MAINTAINERS file updates

  All of these, except for the Kconfig and MAINTAINERS file updates have
  been in linux-next all week. Those other two are just documentation
  changes and will have no runtime issues and were merged on Friday"

* tag 'char-misc-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (39 commits)
  misc: rtsx: list supported models in Kconfig help
  MAINTAINERS: Remove some entries due to various compliance requirements.
  misc: microchip: pci1xxxx: add support for NVMEM_DEVID_AUTO for OTP device
  misc: microchip: pci1xxxx: add support for NVMEM_DEVID_AUTO for EEPROM device
  parport: Proper fix for array out-of-bounds access
  iio: frequency: admv4420: fix missing select REMAP_SPI in Kconfig
  iio: frequency: {admv4420,adrf6780}: format Kconfig entries
  iio: adc: ad4695: Add missing Kconfig select
  iio: adc: ti-ads8688: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: hid-sensors: Fix an error handling path in _hid_sensor_set_report_latency()
  iioc: dac: ltc2664: Fix span variable usage in ltc2664_channel_config()
  iio: dac: stm32-dac-core: add missing select REGMAP_MMIO in Kconfig
  iio: dac: ltc1660: add missing select REGMAP_SPI in Kconfig
  iio: dac: ad5770r: add missing select REGMAP_SPI in Kconfig
  iio: amplifiers: ada4250: add missing select REGMAP_SPI in Kconfig
  iio: frequency: adf4377: add missing select REMAP_SPI in Kconfig
  iio: resolver: ad2s1210: add missing select (TRIGGERED_)BUFFER in Kconfig
  iio: resolver: ad2s1210 add missing select REGMAP in Kconfig
  iio: proximity: mb1232: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: pressure: bm1390: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  ...
 2024-10-20 13:10:44 -07:00
Linus Torvalds
c01ac4b944 TTY/Serial driver fixes for 6.12-rc4 
Here are some small tty and serial driver fixes for 6.12-rc4.  Included
 in here are:
   - qcom-geni serial driver fixes, wow what a mess of a UART chip that
     thing is...
   - vt infoleak fix for odd font sizes
   - imx serial driver bugfix
   - yet-another n_gsm ldisc bugfix, slowly chipping down the issues in
     that piece of code.
 
 All of these have been in linux-next for over a week with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are some small tty and serial driver fixes for 6.12-rc4:

   - qcom-geni serial driver fixes, wow what a mess of a UART chip that
     thing is...

   - vt infoleak fix for odd font sizes

   - imx serial driver bugfix

   - yet-another n_gsm ldisc bugfix, slowly chipping down the issues in
     that piece of code

  All of these have been in linux-next for over a week with no reported
  issues"

* tag 'tty-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: qcom-geni: rename suspend functions
  serial: qcom-geni: drop unused receive parameter
  serial: qcom-geni: drop flip buffer WARN()
  serial: qcom-geni: fix rx cancel dma status bit
  serial: qcom-geni: fix receiver enable
  serial: qcom-geni: fix dma rx cancellation
  serial: qcom-geni: fix shutdown race
  serial: qcom-geni: revert broken hibernation support
  serial: qcom-geni: fix polled console initialisation
  serial: imx: Update mctrl old_status on RTSD interrupt
  tty: n_gsm: Fix use-after-free in gsm_cleanup_mux
  vt: prevent kernel-infoleak in con_font_get()
 2024-10-20 13:03:30 -07:00
Linus Torvalds
b68c189570 USB driver fixes for 6.12-rc4 
Here are some small USB driver fixes and new device ids for 6.12-rc4.
 Included in here are:
   - xhci driver fixes for a number of reported issues
   - new usb-serial driver ids
   - dwc3 driver fixes for reported problems.
   - usb gadget driver fixes for reported problems
   - typec driver fixes
   - MAINTAINER file updates
 
 All of these have been in linux-next this week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB driver fixes from Greg KH:
 "Here are some small USB driver fixes and new device ids for 6.12-rc4:

   - xhci driver fixes for a number of reported issues

   - new usb-serial driver ids

   - dwc3 driver fixes for reported problems.

   - usb gadget driver fixes for reported problems

   - typec driver fixes

   - MAINTAINER file updates

  All of these have been in linux-next this week with no reported issues"

* tag 'usb-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: serial: option: add Telit FN920C04 MBIM compositions
  USB: serial: option: add support for Quectel EG916Q-GL
  xhci: dbc: honor usb transfer size boundaries.
  usb: xhci: Fix handling errors mid TD followed by other errors
  xhci: Mitigate failed set dequeue pointer commands
  xhci: Fix incorrect stream context type macro
  USB: gadget: dummy-hcd: Fix "task hung" problem
  usb: gadget: f_uac2: fix return value for UAC2_ATTRIBUTE_STRING store
  usb: dwc3: core: Fix system suspend on TI AM62 platforms
  xhci: tegra: fix checked USB2 port number
  usb: dwc3: Wait for EndXfer completion before restoring GUSB2PHYCFG
  usb: typec: qcom-pmic-typec: fix sink status being overwritten with RP_DEF
  usb: typec: altmode should keep reference to parent
  MAINTAINERS: usb: raw-gadget: add bug tracker link
  MAINTAINERS: Add an entry for the LJCA drivers
 2024-10-20 12:57:53 -07:00
Linus Torvalds
db87114dcf - Explicitly disable the TSC deadline timer when going idle to address 
some CPU errata in that area
 
 - Do not apply the Zenbleed fix on anything else except AMD Zen2 on the
   late microcode loading path
 
 - Clear CPU buffers later in the NMI exit path on 32-bit to avoid
   register clearing while they still contain sensitive data, for the
   RDFS mitigation
 
 - Do not clobber EFLAGS.ZF with VERW on the opportunistic SYSRET exit
   path on 32-bit
 
 - Fix parsing issues of memory bandwidth specification in sysfs for
   resctrl's memory bandwidth allocation feature
 
 - Other small cleanups and improvements
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Merge tag 'x86_urgent_for_v6.12_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:

 - Explicitly disable the TSC deadline timer when going idle to address
   some CPU errata in that area

 - Do not apply the Zenbleed fix on anything else except AMD Zen2 on the
   late microcode loading path

 - Clear CPU buffers later in the NMI exit path on 32-bit to avoid
   register clearing while they still contain sensitive data, for the
   RDFS mitigation

 - Do not clobber EFLAGS.ZF with VERW on the opportunistic SYSRET exit
   path on 32-bit

 - Fix parsing issues of memory bandwidth specification in sysfs for
   resctrl's memory bandwidth allocation feature

 - Other small cleanups and improvements

* tag 'x86_urgent_for_v6.12_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic: Always explicitly disarm TSC-deadline timer
  x86/CPU/AMD: Only apply Zenbleed fix for Zen2 during late microcode load
  x86/bugs: Use code segment selector for VERW operand
  x86/entry_32: Clear CPU buffers after register restore in NMI return
  x86/entry_32: Do not clobber user EFLAGS.ZF
  x86/resctrl: Annotate get_mem_config() functions as __init
  x86/resctrl: Avoid overflow in MB settings in bw_validate()
  x86/amd_nb: Add new PCI ID for AMD family 1Ah model 20h
 2024-10-20 12:04:32 -07:00
Linus Torvalds
949c9ef59b - Fix a case for sifive-plic where an interrupt gets disabled *and* masked and 
remains masked when it gets reenabled later
 
 - Plug a small race in GIC-v4 where userspace can force an affinity change of
   a virtual CPU (vPE) in its unmapping path
 
 - Do not mix the two sets of ocelot irqchip's registers in the mask
   calculation of the main interrupt sticky register
 
 - Other smaller fixlets and cleanups
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Merge tag 'irq_urgent_for_v6.12_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Borislav Petkov:

 - Fix a case for sifive-plic where an interrupt gets disabled *and*
   masked and remains masked when it gets reenabled later

 - Plug a small race in GIC-v4 where userspace can force an affinity
   change of a virtual CPU (vPE) in its unmapping path

 - Do not mix the two sets of ocelot irqchip's registers in the mask
   calculation of the main interrupt sticky register

- Other smaller fixlets and cleanups

* tag 'irq_urgent_for_v6.12_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/renesas-rzg2l: Fix missing put_device
  irqchip/riscv-intc: Fix SMP=n boot with ACPI
  irqchip/sifive-plic: Unmask interrupt in plic_irq_enable()
  irqchip/gic-v4: Don't allow a VMOVP on a dying VPE
  irqchip/sifive-plic: Return error code on failure
  irqchip/riscv-imsic: Fix output text of base address
  irqchip/ocelot: Comment sticky register clearing code
  irqchip/ocelot: Fix trigger register address
  irqchip: Remove obsolete config ARM_GIC_V3_ITS_PCI
 2024-10-20 11:44:07 -07:00
Linus Torvalds
2b4d25010d - Add PREEMPT_RT maintainers 
- Fix another aspect of delayed dequeued tasks wrt determining their state,
   i.e., whether they're runnable or blocked
 
 - Handle delayed dequeued tasks and their migration wrt PSI properly
 
 - Fix the situation where a delayed dequeue task gets enqueued into a new
   class, which should not happen
 
 - Fix a case where memory allocation would happen while the runqueue lock is
   held, which is a no-no
 
 - Do not over-schedule when tasks with shorter slices preempt the currently
   running task
 
 - Make sure delayed to deque entities are properly handled before unthrottling
 
 - Other smaller cleanups and improvements
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Merge tag 'sched_urgent_for_v6.12_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduling fixes from Borislav Petkov:

 - Add PREEMPT_RT maintainers

 - Fix another aspect of delayed dequeued tasks wrt determining their
   state, i.e., whether they're runnable or blocked

 - Handle delayed dequeued tasks and their migration wrt PSI properly

 - Fix the situation where a delayed dequeue task gets enqueued into a
   new class, which should not happen

 - Fix a case where memory allocation would happen while the runqueue
   lock is held, which is a no-no

 - Do not over-schedule when tasks with shorter slices preempt the
   currently running task

 - Make sure delayed to deque entities are properly handled before
   unthrottling

 - Other smaller cleanups and improvements

* tag 'sched_urgent_for_v6.12_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  MAINTAINERS: Add an entry for PREEMPT_RT.
  sched/fair: Fix external p->on_rq users
  sched/psi: Fix mistaken CPU pressure indication after corrupted task state bug
  sched/core: Dequeue PSI signals for blocked tasks that are delayed
  sched: Fix delayed_dequeue vs switched_from_fair()
  sched/core: Disable page allocation in task_tick_mm_cid()
  sched/deadline: Use hrtick_enabled_dl() before start_hrtick_dl()
  sched/eevdf: Fix wakeup-preempt by checking cfs_rq->nr_running
  sched: Fix sched_delayed vs cfs_bandwidth
 2024-10-20 11:30:56 -07:00
Linus Torvalds
a5ee44c829 xen: branch for v6.12-rc4 
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Merge tag 'for-linus-6.12a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "A single fix for a build failure introduced this merge window"

* tag 'for-linus-6.12a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: Remove dependency between pciback and privcmd
 2024-10-20 11:25:58 -07:00
Linus Torvalds
10e93e1900 dma-mapping fix for Linux 6.12 
Just another small tracing fix from Sean.
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Merge tag 'dma-mapping-6.12-2024-10-20' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:
 "Just another small tracing fix from Sean"

* tag 'dma-mapping-6.12-2024-10-20' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: fix tracing dma_alloc/free with vmalloc'd memory
 2024-10-20 10:56:42 -07:00
Linus Torvalds
715ca9dd68 io_uring-6.12-20241019 
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Merge tag 'io_uring-6.12-20241019' of git://git.kernel.dk/linux

Pull one more io_uring fix from Jens Axboe:
 "Fix for a regression introduced in 6.12-rc2, where a condition check
  was negated and hence -EAGAIN would bubble back up up to userspace
  rather than trigger a retry condition"

* tag 'io_uring-6.12-20241019' of git://git.kernel.dk/linux:
  io_uring/rw: fix wrong NOWAIT check in io_rw_init_file()
 2024-10-19 17:04:52 -07:00
Linus Torvalds
531643fcd9 SCSI fixes on 20241019 
Fixes all in drivers. The largest is the mpi3mr which corrects a phy
 count limit that should only apply to the controller but was being
 incorrectly applied to expander phys.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Fixes all in drivers. The largest is the mpi3mr which corrects a phy
  count limit that should only apply to the controller but was being
  incorrectly applied to expander phys"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: target: core: Fix null-ptr-deref in target_alloc_device()
  scsi: mpi3mr: Validate SAS port assignments
  scsi: ufs: core: Set SDEV_OFFLINE when UFS is shut down
  scsi: ufs: core: Requeue aborted request
  scsi: ufs: core: Fix the issue of ICU failure
 2024-10-19 12:52:19 -07:00
Linus Torvalds
06526daaff ftrace: A couple of fixes to function graph infrastructure 
- Fix allocation of idle shadow stack allocation during hotplug
 
   If function graph tracing is started when a CPU is offline, if it were
   come online during the trace then the idle task that represents the CPU
   will not get a shadow stack allocated for it. This means all function
   graph hooks that happen while that idle task is running (including in
   interrupt mode) will have all its events dropped.
 
   Switch over to the CPU hotplug mechanism that will have any newly
   brought on line CPU get a callback that can allocate the shadow stack
   for its idle task.
 
 - Fix allocation size of the ret_stack_list array
 
   When function graph tracing converted over to allowing more than one
   user at a time, it had to convert its shadow stack from an array of
   ret_stack structures to an array of unsigned longs. The shadow stacks
   are allocated in batches of 32 at a time and assigned to every running
   task. The batch is held by the ret_stack_list array. But when the
   conversion happened, instead of allocating an array of 32 pointers, it
   was allocated as a ret_stack itself (PAGE_SIZE). This ret_stack_list
   gets passed to a function that iterates over what it believes is its
   size defined by the FTRACE_RETSTACK_ALLOC_SIZE macro (which is 32).
 
   Luckily (PAGE_SIZE) is greater than 32 * sizeof(long), otherwise this
   would have been an array overflow. This still should be fixed and the
   ret_stack_list should be allocated to the size it is expected to be as
   someday it may end up being bigger than SHADOW_STACK_SIZE.
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Merge tag 'ftrace-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull ftrace fixes from Steven Rostedt:
 "A couple of fixes to function graph infrastructure:

   - Fix allocation of idle shadow stack allocation during hotplug

     If function graph tracing is started when a CPU is offline, if it
     were come online during the trace then the idle task that
     represents the CPU will not get a shadow stack allocated for it.
     This means all function graph hooks that happen while that idle
     task is running (including in interrupt mode) will have all its
     events dropped.

     Switch over to the CPU hotplug mechanism that will have any newly
     brought on line CPU get a callback that can allocate the shadow
     stack for its idle task.

   - Fix allocation size of the ret_stack_list array

     When function graph tracing converted over to allowing more than
     one user at a time, it had to convert its shadow stack from an
     array of ret_stack structures to an array of unsigned longs. The
     shadow stacks are allocated in batches of 32 at a time and assigned
     to every running task. The batch is held by the ret_stack_list
     array.

     But when the conversion happened, instead of allocating an array of
     32 pointers, it was allocated as a ret_stack itself (PAGE_SIZE).
     This ret_stack_list gets passed to a function that iterates over
     what it believes is its size defined by the
     FTRACE_RETSTACK_ALLOC_SIZE macro (which is 32).

     Luckily (PAGE_SIZE) is greater than 32 * sizeof(long), otherwise
     this would have been an array overflow. This still should be fixed
     and the ret_stack_list should be allocated to the size it is
     expected to be as someday it may end up being bigger than
     SHADOW_STACK_SIZE"

* tag 'ftrace-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  fgraph: Allocate ret_stack_list with proper size
  fgraph: Use CPU hotplug mechanism to initialize idle shadow stacks
 2024-10-19 12:42:14 -07:00
Linus Torvalds
8203ca3809 ipe/stable-6.12 PR 20241018 
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Merge tag 'ipe-pr-20241018' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe

Pull ipe fixes from Fan Wu:
 "This addresses several issues identified by Luca when attempting to
  enable IPE on Debian and systemd:

   - address issues with IPE policy update errors and policy update
     version check, improving the clarity of error messages for better
     understanding by userspace programs.

   - enable IPE policies to be signed by secondary and platform
     keyrings, facilitating broader use across general Linux
     distributions like Debian.

   - updates the IPE entry in the MAINTAINERS file to reflect the new
     tree URL and my updated email from kernel.org"

* tag 'ipe-pr-20241018' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe:
  MAINTAINERS: update IPE tree url and Fan Wu's email
  ipe: fallback to platform keyring also if key in trusted keyring is rejected
  ipe: allow secondary and platform keyrings to install/update policies
  ipe: also reject policy updates with the same version
  ipe: return -ESTALE instead of -EINVAL on update when new policy has a lower version
 2024-10-19 11:48:14 -07:00
Linus Torvalds
f9e4825524 Input updates for v6.12-rc3 
- a fix for Zinitix driver to not fail probing if property enabling
   touch keys functionality is not defined. Support for touch keys was
   added in 6.12 merge window so this issue does not affect users of
   released kernels
 
 - a couple new vendor/device IDs in xpad driver to enable support
   for more hardware.
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Merge tag 'input-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:

 - a fix for Zinitix driver to not fail probing if the property enabling
   touch keys functionality is not defined. Support for touch keys was
   added in 6.12 merge window so this issue does not affect users of
   released kernels

 - a couple new vendor/device IDs in xpad driver to enable support for
   more hardware

* tag 'input-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: zinitix - don't fail if linux,keycodes prop is absent
  Input: xpad - add support for MSI Claw A1M
  Input: xpad - add support for 8BitDo Ultimate 2C Wireless Controller
 2024-10-19 10:18:03 -07:00
Linus Torvalds
9197b73fd7 Mashed-up update that I sat on too long: 
- fix for multiple slabs created with the same name
 - enable multipage folios
 - theorical fix to also look for opened fids by inode if none
 was found by dentry
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Merge tag '9p-for-6.12-rc4' of https://github.com/martinetd/linux

Pull 9p fixes from Dominique Martinet:
 "Mashed-up update that I sat on too long:

   - fix for multiple slabs created with the same name

   - enable multipage folios

   - theorical fix to also look for opened fids by inode if none was
     found by dentry"

[ Enabling multi-page folios should have been done during the merge
  window, but it's a one-liner, and the actual meat of the enablement
  is in netfs and already in use for other filesystems...  - Linus ]

* tag '9p-for-6.12-rc4' of https://github.com/martinetd/linux:
  9p: Avoid creating multiple slab caches with the same name
  9p: Enable multipage folios
  9p: v9fs_fid_find: also lookup by inode if not found dentry
 2024-10-19 08:44:10 -07:00
Linus Torvalds
4e6bd4a33a Rust fixes for v6.12 (2nd) 
Toolchain and infrastructure:
 
  - Fix several issues with the 'rustc-option' macro. It includes a
    refactor from Masahiro of three '{cc,rust}-*' macros, which is not
    a fix but avoids repeating the same commands (which would be several
    lines in the case of 'rustc-option').
 
  - Fix conditions for 'CONFIG_HAVE_CFI_ICALL_NORMALIZE_INTEGERS'. It
    includes the addition of 'CONFIG_RUSTC_LLVM_VERSION', which is not a
    fix but is needed for the actual fix.
 
 And a trivial grammar fix.
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Merge tag 'rust-fixes-6.12-2' of https://github.com/Rust-for-Linux/linux

Pull rust fixes from Miguel Ojeda:
 "Toolchain and infrastructure:

   - Fix several issues with the 'rustc-option' macro. It includes a
     refactor from Masahiro of three '{cc,rust}-*' macros, which is not
     a fix but avoids repeating the same commands (which would be
     several lines in the case of 'rustc-option').

   - Fix conditions for 'CONFIG_HAVE_CFI_ICALL_NORMALIZE_INTEGERS'. It
     includes the addition of 'CONFIG_RUSTC_LLVM_VERSION', which is not
     a fix but is needed for the actual fix.

  And a trivial grammar fix"

* tag 'rust-fixes-6.12-2' of https://github.com/Rust-for-Linux/linux:
  cfi: fix conditions for HAVE_CFI_ICALL_NORMALIZE_INTEGERS
  kbuild: rust: add `CONFIG_RUSTC_LLVM_VERSION`
  kbuild: fix issues with rustc-option
  kbuild: refactor cc-option-yn, cc-disable-warning, rust-option-yn macros
  lib/Kconfig.debug: fix grammar in RUST_BUILD_ASSERT_ALLOW
 2024-10-19 08:32:47 -07:00
Jens Axboe
ae6a888a43 io_uring/rw: fix wrong NOWAIT check in io_rw_init_file() 
A previous commit improved how !FMODE_NOWAIT is dealt with, but
inadvertently negated a check whilst doing so. This caused -EAGAIN to be
returned from reading files with O_NONBLOCK set. Fix up the check for
REQ_F_SUPPORT_NOWAIT.

Reported-by: Julian Orth <ju.orth@gmail.com>
Link: https://github.com/axboe/liburing/issues/1270
Fixes: f7c9134385 ("io_uring/rw: allow pollable non-blocking attempts for !FMODE_NOWAIT")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-10-19 09:25:45 -06:00
Steven Rostedt
fae4078c28 fgraph: Allocate ret_stack_list with proper size 
The ret_stack_list is an array of ret_stack shadow stacks for the function
graph usage. When the first function graph is enabled, all tasks in the
system get a shadow stack. The ret_stack_list is a 32 element array of
pointers to these shadow stacks. It allocates the shadow stack in batches
(32 stacks at a time), assigns them to running tasks, and continues until
all tasks are covered.

When the function graph shadow stack changed from an array of
ftrace_ret_stack structures to an array of longs, the allocation of
ret_stack_list went from allocating an array of 32 elements to just a
block defined by SHADOW_STACK_SIZE. Luckily, that's defined as PAGE_SIZE
and is much more than enough to hold 32 pointers. But it is way overkill
for the amount needed to allocate.

Change the allocation of ret_stack_list back to a kcalloc() of
FTRACE_RETSTACK_ALLOC_SIZE pointers.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/20241018215212.23f13f40@rorschach
Fixes: 42675b723b ("function_graph: Convert ret_stack to a series of longs")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-10-18 21:57:20 -04:00
Steven Rostedt
2c02f7375e fgraph: Use CPU hotplug mechanism to initialize idle shadow stacks 
The function graph infrastructure allocates a shadow stack for every task
when enabled. This includes the idle tasks. The first time the function
graph is invoked, the shadow stacks are created and never freed until the
task exits. This includes the idle tasks.

Only the idle tasks that were for online CPUs had their shadow stacks
created when function graph tracing started. If function graph tracing is
enabled and a CPU comes online, the idle task representing that CPU will
not have its shadow stack created, and all function graph tracing for that
idle task will be silently dropped.

Instead, use the CPU hotplug mechanism to allocate the idle shadow stacks.
This will include idle tasks for CPUs that come online during tracing.

This issue can be reproduced by:

 # cd /sys/kernel/tracing
 # echo 0 > /sys/devices/system/cpu/cpu1/online
 # echo 0 > set_ftrace_pid
 # echo function_graph > current_tracer
 # echo 1 > options/funcgraph-proc
 # echo 1 > /sys/devices/system/cpu/cpu1
 # grep '<idle>' per_cpu/cpu1/trace | head

Before, nothing would show up.

After:
 1)    <idle>-0    |   0.811 us    |                        __enqueue_entity();
 1)    <idle>-0    |   5.626 us    |                      } /* enqueue_entity */
 1)    <idle>-0    |               |                      dl_server_update_idle_time() {
 1)    <idle>-0    |               |                        dl_scaled_delta_exec() {
 1)    <idle>-0    |   0.450 us    |                          arch_scale_cpu_capacity();
 1)    <idle>-0    |   1.242 us    |                        }
 1)    <idle>-0    |   1.908 us    |                      }
 1)    <idle>-0    |               |                      dl_server_start() {
 1)    <idle>-0    |               |                        enqueue_dl_entity() {
 1)    <idle>-0    |               |                          task_contending() {

Note, if tracing stops and restarts, the old way would then initialize
the onlined CPUs.

Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/20241018214300.6df82178@rorschach
Fixes: 868baf07b1 ("ftrace: Fix memory leak with function graph and cpu hotplug")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-10-18 21:56:56 -04:00
Linus Torvalds
3d5ad2d4ec BPF fixes: 
- Fix BPF verifier to not affect subreg_def marks in its range
   propagation, from Eduard Zingerman.
 
 - Fix a truncation bug in the BPF verifier's handling of
   coerce_reg_to_size_sx, from Dimitar Kanaliev.
 
 - Fix the BPF verifier's delta propagation between linked
   registers under 32-bit addition, from Daniel Borkmann.
 
 - Fix a NULL pointer dereference in BPF devmap due to missing
   rxq information, from Florian Kauer.
 
 - Fix a memory leak in bpf_core_apply, from Jiri Olsa.
 
 - Fix an UBSAN-reported array-index-out-of-bounds in BTF
   parsing for arrays of nested structs, from Hou Tao.
 
 - Fix build ID fetching where memory areas backing the file
   were created with memfd_secret, from Andrii Nakryiko.
 
 - Fix BPF task iterator tid filtering which was incorrectly
   using pid instead of tid, from Jordan Rome.
 
 - Several fixes for BPF sockmap and BPF sockhash redirection
   in combination with vsocks, from Michal Luczaj.
 
 - Fix riscv BPF JIT and make BPF_CMPXCHG fully ordered,
   from Andrea Parri.
 
 - Fix riscv BPF JIT under CONFIG_CFI_CLANG to prevent the
   possibility of an infinite BPF tailcall, from Pu Lehui.
 
 - Fix a build warning from resolve_btfids that bpf_lsm_key_free
   cannot be resolved, from Thomas Weißschuh.
 
 - Fix a bug in kfunc BTF caching for modules where the wrong
   BTF object was returned, from Toke Høiland-Jørgensen.
 
 - Fix a BPF selftest compilation error in cgroup-related tests
   with musl libc, from Tony Ambardar.
 
 - Several fixes to BPF link info dumps to fill missing fields,
   from Tyrone Wu.
 
 - Add BPF selftests for kfuncs from multiple modules, checking
   that the correct kfuncs are called, from Simon Sundberg.
 
 - Ensure that internal and user-facing bpf_redirect flags
   don't overlap, also from Toke Høiland-Jørgensen.
 
 - Switch to use kvzmalloc to allocate BPF verifier environment,
   from Rik van Riel.
 
 - Use raw_spinlock_t in BPF ringbuf to fix a sleep in atomic
   splat under RT, from Wander Lairson Costa.
 
 Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Pull bpf fixes from Daniel Borkmann:

 - Fix BPF verifier to not affect subreg_def marks in its range
   propagation (Eduard Zingerman)

 - Fix a truncation bug in the BPF verifier's handling of
   coerce_reg_to_size_sx (Dimitar Kanaliev)

 - Fix the BPF verifier's delta propagation between linked registers
   under 32-bit addition (Daniel Borkmann)

 - Fix a NULL pointer dereference in BPF devmap due to missing rxq
   information (Florian Kauer)

 - Fix a memory leak in bpf_core_apply (Jiri Olsa)

 - Fix an UBSAN-reported array-index-out-of-bounds in BTF parsing for
   arrays of nested structs (Hou Tao)

 - Fix build ID fetching where memory areas backing the file were
   created with memfd_secret (Andrii Nakryiko)

 - Fix BPF task iterator tid filtering which was incorrectly using pid
   instead of tid (Jordan Rome)

 - Several fixes for BPF sockmap and BPF sockhash redirection in
   combination with vsocks (Michal Luczaj)

 - Fix riscv BPF JIT and make BPF_CMPXCHG fully ordered (Andrea Parri)

 - Fix riscv BPF JIT under CONFIG_CFI_CLANG to prevent the possibility
   of an infinite BPF tailcall (Pu Lehui)

 - Fix a build warning from resolve_btfids that bpf_lsm_key_free cannot
   be resolved (Thomas Weißschuh)

 - Fix a bug in kfunc BTF caching for modules where the wrong BTF object
   was returned (Toke Høiland-Jørgensen)

 - Fix a BPF selftest compilation error in cgroup-related tests with
   musl libc (Tony Ambardar)

 - Several fixes to BPF link info dumps to fill missing fields (Tyrone
   Wu)

 - Add BPF selftests for kfuncs from multiple modules, checking that the
   correct kfuncs are called (Simon Sundberg)

 - Ensure that internal and user-facing bpf_redirect flags don't overlap
   (Toke Høiland-Jørgensen)

 - Switch to use kvzmalloc to allocate BPF verifier environment (Rik van
   Riel)

 - Use raw_spinlock_t in BPF ringbuf to fix a sleep in atomic splat
   under RT (Wander Lairson Costa)

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (38 commits)
  lib/buildid: Handle memfd_secret() files in build_id_parse()
  selftests/bpf: Add test case for delta propagation
  bpf: Fix print_reg_state's constant scalar dump
  bpf: Fix incorrect delta propagation between linked registers
  bpf: Properly test iter/task tid filtering
  bpf: Fix iter/task tid filtering
  riscv, bpf: Make BPF_CMPXCHG fully ordered
  bpf, vsock: Drop static vsock_bpf_prot initialization
  vsock: Update msg_count on read_skb()
  vsock: Update rx_bytes on read_skb()
  bpf, sockmap: SK_DROP on attempted redirects of unsupported af_vsock
  selftests/bpf: Add asserts for netfilter link info
  bpf: Fix link info netfilter flags to populate defrag flag
  selftests/bpf: Add test for sign extension in coerce_subreg_to_size_sx()
  selftests/bpf: Add test for truncation after sign extension in coerce_reg_to_size_sx()
  bpf: Fix truncation bug in coerce_reg_to_size_sx()
  selftests/bpf: Assert link info uprobe_multi count & path_size if unset
  bpf: Fix unpopulated path_size when uprobe_multi fields unset
  selftests/bpf: Fix cross-compiling urandom_read
  selftests/bpf: Add test for kfunc module order
  ...
 2024-10-18 16:27:14 -07:00
Linus Torvalds
dbafeddb95 linux_kselftest-fixes-6.12-rc4 
kselftest fixes for Linux 6.12-rc4
 
 -- fixes test makefile to install tests directory without which
    the test fails with errors.
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Merge tag 'linux_kselftest-fixes-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:

 - fix test makefile to install tests directory without which the test
   fails with errors

* tag 'linux_kselftest-fixes-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftest: hid: add the missing tests directory
 2024-10-18 16:11:17 -07:00
Nikita Travkin
2de01e0e57 Input: zinitix - don't fail if linux,keycodes prop is absent 
When initially adding the touchkey support, a mistake was made in the
property parsing code. The possible negative errno from
device_property_count_u32() was never checked, which was an oversight
left from converting to it from the of_property as part of the review
fixes.

Re-add the correct handling of the absent property, in which case zero
touchkeys should be assumed, which would disable the feature.

Reported-by: Jakob Hauser <jahau@rocketmail.com>
Tested-by: Jakob Hauser <jahau@rocketmail.com>
Fixes: 075d9b22c8 ("Input: zinitix - add touchkey support")
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Tested-by: Yassine Oudjana <y.oudjana@protonmail.com>
Link: https://lore.kernel.org/r/20241004-zinitix-no-keycodes-v2-1-876dc9fea4b6@trvn.ru
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-10-18 16:03:04 -07:00
Linus Torvalds
f8eacd8ad7 block-6.12-20241018 
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Merge tag 'block-6.12-20241018' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Keith:
     - Fix target passthrough identifier (Nilay)
     - Fix tcp locking (Hannes)
     - Replace list with sbitmap for tracking RDMA rsp tags (Guixen)
     - Remove unnecessary fallthrough statements (Tokunori)
     - Remove ready-without-media support (Greg)
     - Fix multipath partition scan deadlock (Keith)
     - Fix concurrent PCI reset and remove queue mapping (Maurizio)
     - Fabrics shutdown fixes (Nilay)

 - Fix for a kerneldoc warning (Keith)

 - Fix a race with blk-rq-qos and wakeups (Omar)

 - Cleanup of checking for always-set tag_set (SurajSonawane2415)

 - Fix for a crash with CPU hotplug notifiers (Ming)

 - Don't allow zero-copy ublk on unprivileged device (Ming)

 - Use array_index_nospec() for CDROM (Josh)

 - Remove dead code in drbd (David)

 - Tweaks to elevator loading (Breno)

* tag 'block-6.12-20241018' of git://git.kernel.dk/linux:
  cdrom: Avoid barrier_nospec() in cdrom_ioctl_media_changed()
  nvme: use helper nvme_ctrl_state in nvme_keep_alive_finish function
  nvme: make keep-alive synchronous operation
  nvme-loop: flush off pending I/O while shutting down loop controller
  nvme-pci: fix race condition between reset and nvme_dev_disable()
  ublk: don't allow user copy for unprivileged device
  blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race
  nvme-multipath: defer partition scanning
  blk-mq: setup queue ->tag_set before initializing hctx
  elevator: Remove argument from elevator_find_get
  elevator: do not request_module if elevator exists
  drbd: Remove unused conn_lowest_minor
  nvme: disable CC.CRIME (NVME_CC_CRIME)
  nvme: delete unnecessary fallthru comment
  nvmet-rdma: use sbitmap to replace rsp free list
  block: Fix elevator_get_default() checking for NULL q->tag_set
  nvme: tcp: avoid race between queue_lock lock and destroy
  nvmet-passthru: clear EUID/NGUID/UUID while using loop target
  block: fix blk_rq_map_integrity_sg kernel-doc
 2024-10-18 15:53:00 -07:00
Linus Torvalds
a041f47898 io_uring-6.12-20241018 
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Merge tag 'io_uring-6.12-20241018' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:

 - Fix a regression this merge window where cloning of registered
   buffers didn't take into account the dummy_ubuf

 - Fix a race with reading how many SQRING entries are available,
   causing userspace to need to loop around io_uring_sqring_wait()
   rather than being able to rely on SQEs being available when it
   returned

 - Ensure that the SQPOLL thread is TASK_RUNNING before running
   task_work off the cancelation exit path

* tag 'io_uring-6.12-20241018' of git://git.kernel.dk/linux:
  io_uring/sqpoll: ensure task state is TASK_RUNNING when running task_work
  io_uring/rsrc: ignore dummy_ubuf for buffer cloning
  io_uring/sqpoll: close race on waiting for sqring entries
 2024-10-18 15:38:37 -07:00
John Edwards
22a18935d7 Input: xpad - add support for MSI Claw A1M 
Add MSI Claw A1M controller to xpad_device match table when in xinput mode.
Add MSI VID as XPAD_XBOX360_VENDOR.

Signed-off-by: John Edwards <uejji@uejji.net>
Reviewed-by: Derek J. Clark <derekjohn.clark@gmail.com>
Reviewed-by: Christopher Snowhill <kode54@gmail.com>
Link: https://lore.kernel.org/r/20241010232020.3292284-4-uejji@uejji.net
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-10-18 14:34:57 -07:00
Fan Wu
917a15c37d MAINTAINERS: update IPE tree url and Fan Wu's email 
Update Integrity Policy Enforcement (IPE) LSM tree url and
maintainer's email to the newly issued kernel.org tree/email.

Signed-off-by: Fan Wu <wufan@kernel.org>
 2024-10-18 12:15:37 -07:00
Luca Boccassi
f40998a8e6 ipe: fallback to platform keyring also if key in trusted keyring is rejected 
If enabled, we fallback to the platform keyring if the trusted keyring
doesn't have the key used to sign the ipe policy. But if pkcs7_verify()
rejects the key for other reasons, such as usage restrictions, we do not
fallback. Do so, following the same change in dm-verity.

Signed-off-by: Luca Boccassi <bluca@debian.org>
Suggested-by: Serge Hallyn <serge@hallyn.com>
[FW: fixed some line length issues and a typo in the commit message]
Signed-off-by: Fan Wu <wufan@kernel.org>
 2024-10-18 12:14:53 -07:00
Linus Torvalds
b04ae0f451 two fixes for stable, and two small cleanup fixes 
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Merge tag 'v6.12-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:

 - Fix possible double free setting xattrs

 - Fix slab out of bounds with large ioctl payload

 - Remove three unused functions, and an unused variable that could be
   confusing

* tag 'v6.12-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Remove unused functions
  smb/client: Fix logically dead code
  smb: client: fix OOBs when building SMB2_IOCTL request
  smb: client: fix possible double free in smb2_set_ea()
 2024-10-18 11:37:12 -07:00
Linus Torvalds
568570fdf2 XFS Bug fixes for 6.12-rc4 
* Fix integer overflow in xrep_bmap
 * Fix stale dealloc punching for COW IO
 
 Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-6.12-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Carlos Maiolino:

 - Fix integer overflow in xrep_bmap

 - Fix stale dealloc punching for COW IO

* tag 'xfs-6.12-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: punch delalloc extents from the COW fork for COW writes
  xfs: set IOMAP_F_SHARED for all COW fork allocations
  xfs: share more code in xfs_buffered_write_iomap_begin
  xfs: support the COW fork in xfs_bmap_punch_delalloc_range
  xfs: IOMAP_ZERO and IOMAP_UNSHARE already hold invalidate_lock
  xfs: take XFS_MMAPLOCK_EXCL xfs_file_write_zero_eof
  xfs: factor out a xfs_file_write_zero_eof helper
  iomap: move locking out of iomap_write_delalloc_release
  iomap: remove iomap_file_buffered_write_punch_delalloc
  iomap: factor out a iomap_last_written_block helper
  xfs: fix integer overflow in xrep_bmap
 2024-10-18 11:28:39 -07:00
Linus Torvalds
5e9ab267be Power management updates for 6.12-rc4 
- Enable ACPI CPPC in amd_pstate_register_driver() after disabling it
    in amd_pstate_unregister_driver() when switching driver operation
    modes (Dhananjay Ugwekar).
 
  - Make amd-pstate use nominal performance as the maximum performance
    level when boost is disabled (Mario Limonciello).
 
  - Add ArrowLake-H to the list of processors where PL4 is supported
    in the MSR part of the intel_rapl power capping driver (Srinivas
    Pandruvada).
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Merge tag 'pm-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix two issues in the amd-pstate cpufreq driver and update the
  intel_rapl power capping driver with a new processor ID.

  Specifics:

   - Enable ACPI CPPC in amd_pstate_register_driver() after disabling it
     in amd_pstate_unregister_driver() when switching driver operation
     modes (Dhananjay Ugwekar)

   - Make amd-pstate use nominal performance as the maximum performance
     level when boost is disabled (Mario Limonciello)

   - Add ArrowLake-H to the list of processors where PL4 is supported in
     the MSR part of the intel_rapl power capping driver (Srinivas
     Pandruvada)"

* tag 'pm-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  powercap: intel_rapl_msr: Add PL4 support for ArrowLake-H
  cpufreq/amd-pstate: Use nominal perf for limits when boost is disabled
  cpufreq/amd-pstate: Fix amd_pstate mode switch on shared memory systems
 2024-10-18 11:16:01 -07:00
Linus Torvalds
3b3a0ef6ae hwmon fixes for v6.12-rc4 
Fix auto-detect regression in jc42 driver.
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Merge tag 'hwmon-for-v6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:
 "Fix auto-detect regression in jc42 driver"

* tag 'hwmon-for-v6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  [PATCH} hwmon: (jc42) Properly detect TSE2004-compliant devices again
 2024-10-18 11:13:53 -07:00
Linus Torvalds
5d97dde4d5 drm fixes for 6.12-rc4 
msm:
 - Display:
 - move CRTC resource assignment to atomic_check otherwise to make
   consecutive calls to atomic_check() consistent
 - fix rounding / sign-extension issues with pclk calculation in
   case of DSC
 - cleanups to drop incorrect null checks in dpu snapshots
 - fix to use kvzalloc in dpu snapshot to avoid allocation issues
   in heavily loaded system cases
 - Fix to not program merge_3d block if dual LM is not being used
 - Fix to not flush merge_3d block if its not enabled otherwise
   this leads to false timeouts
 - GPU:
 - a7xx: add a fence wait before SMMU table update
 
 xe:
 - New workaround to Xe2 (Aradhya)
 - Fix unbalanced rpm put (Matthew Auld)
 - Remove fragile lock optimization (Matthew Brost)
 - Fix job release, delegating it to the drm scheduler (Matthew Brost)
 - Fix timestamp bit width for Xe2 (Lucas)
 - Fix external BO's dma-resv usag (Matthew Brost)
 - Fix returning success for timeout in wait_token (Nirmoy)
 - Initialize fence to avoid it being detected as signaled (Matthew Auld)
 - Improve cache flush for BMG (Matthew Auld)
 - Don't allow hflip for tile4 framebuffer on Xe2 (Juha-Pekka)
 
 amdgpu:
 - SR-IOV fix
 - CS chunk handling fix
 - MES fixes
 - SMU13 fixes
 
 amdkfd:
 - VRAM usage reporting fix
 
 radeon:
 - Fix possible_clones handling
 
 i915:
 - Two DP bandwidth related MST fixes
 
 ast:
 - Clear EDID on unplugged connectors
 
 host1x:
 - Fix boot on Tegra186
 - Set DMA parameters
 
 mgag200:
 - Revert VBLANK support
 
 panel:
 - himax-hx83192: Adjust power and gamma
 
 qaic:
 - Sgtable loop fixes
 
 vmwgfx:
 - Limit display layout allocatino size
 - Handle allocation errors in connector checks
 - Clean up KMS code for 2d-only setup
 - Report surface-check errors correctly
 - Remove NULL test around kvfree()
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Merge tag 'drm-fixes-2024-10-18' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Weekly fixes, msm and xe are the two main ones, with a bunch of
  scattered fixes including a largish revert in mgag200, then amdgpu,
  vmwgfx and scattering of other minor ones.

  All seems pretty regular.

  msm:
   - Display:
      - move CRTC resource assignment to atomic_check otherwise to make
        consecutive calls to atomic_check() consistent
      - fix rounding / sign-extension issues with pclk calculation in
        case of DSC
      - cleanups to drop incorrect null checks in dpu snapshots
      - fix to use kvzalloc in dpu snapshot to avoid allocation issues
        in heavily loaded system cases
      - Fix to not program merge_3d block if dual LM is not being used
      - Fix to not flush merge_3d block if its not enabled otherwise
        this leads to false timeouts
   - GPU:
      - a7xx: add a fence wait before SMMU table update

  xe:
   - New workaround to Xe2 (Aradhya)
   - Fix unbalanced rpm put (Matthew Auld)
   - Remove fragile lock optimization (Matthew Brost)
   - Fix job release, delegating it to the drm scheduler (Matthew Brost)
   - Fix timestamp bit width for Xe2 (Lucas)
   - Fix external BO's dma-resv usag (Matthew Brost)
   - Fix returning success for timeout in wait_token (Nirmoy)
   - Initialize fence to avoid it being detected as signaled (Matthew
     Auld)
   - Improve cache flush for BMG (Matthew Auld)
   - Don't allow hflip for tile4 framebuffer on Xe2 (Juha-Pekka)

  amdgpu:
   - SR-IOV fix
   - CS chunk handling fix
   - MES fixes
   - SMU13 fixes

  amdkfd:
   - VRAM usage reporting fix

  radeon:
   - Fix possible_clones handling

  i915:
   - Two DP bandwidth related MST fixes

  ast:
   - Clear EDID on unplugged connectors

  host1x:
   - Fix boot on Tegra186
   - Set DMA parameters

  mgag200:
   - Revert VBLANK support

  panel:
   - himax-hx83192: Adjust power and gamma

  qaic:
   - Sgtable loop fixes

  vmwgfx:
   - Limit display layout allocatino size
   - Handle allocation errors in connector checks
   - Clean up KMS code for 2d-only setup
   - Report surface-check errors correctly
   - Remove NULL test around kvfree()"

* tag 'drm-fixes-2024-10-18' of https://gitlab.freedesktop.org/drm/kernel: (45 commits)
  drm/ast: vga: Clear EDID if no display is connected
  drm/ast: sil164: Clear EDID if no display is connected
  Revert "drm/mgag200: Add vblank support"
  drm/amdgpu/swsmu: default to fullscreen 3D profile for dGPUs
  drm/i915/display: Don't allow tile4 framebuffer to do hflip on display20 or greater
  drm/xe/bmg: improve cache flushing behaviour
  drm/xe/xe_sync: initialise ufence.signalled
  drm/xe/ufence: ufence can be signaled right after wait_woken
  drm/xe: Use bookkeep slots for external BO's in exec IOCTL
  drm/xe/query: Increase timestamp width
  drm/xe: Don't free job in TDR
  drm/xe: Take job list lock in xe_sched_add_pending_job
  drm/xe: fix unbalanced rpm put() with declare_wedged()
  drm/xe: fix unbalanced rpm put() with fence_fini()
  drm/xe/xe2lpg: Extend Wa_15016589081 for xe2lpg
  drm/i915/dp_mst: Don't require DSC hblank quirk for a non-DSC compatible mode
  drm/i915/dp_mst: Handle error during DSC BW overhead/slice calculation
  drm/msm/a6xx+: Insert a fence wait before SMMU table update
  drm/msm/dpu: don't always program merge_3d block
  drm/msm/dpu: Don't always set merge_3d pending flush
  ...
 2024-10-18 11:03:21 -07:00
Linus Torvalds
b1b4675167 mm: fix follow_pfnmap API lockdep assert 
The lockdep asserts for the new follow_pfnmap() API "knows" that a
pfnmap always has a vma->vm_file, since that's the only way to create
such a mapping.

And that's actually true for all the normal cases.  But not for the mmap
failure case, where the incomplete mapping is torn down and we have
cleared vma->vm_file because the failure occured before the file was
linked to the vma.

So this codepath does actually need to check for vm_file being NULL.

Reported-by: Jann Horn <jannh@google.com>
Fixes: 6da8e9634b ("mm: new follow_pfnmap API")
Cc: Peter Xu <peterx@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2024-10-18 09:50:05 -07:00
Rafael J. Wysocki
cf8679bb77 Merge branch 'pm-cpufreq' 
Merge amd-pstate driver fixes for 6.12-rc4:

 - Enable ACPI CPPC in amd_pstate_register_driver() after disabling
   it in amd_pstate_unregister_driver() during driver operation mode
   switch (Dhananjay Ugwekar).

 - Make amd-pstate use nominal performance as the maximum performance
   level when boost is disabled (Mario Limonciello).

* pm-cpufreq:
  cpufreq/amd-pstate: Use nominal perf for limits when boost is disabled
  cpufreq/amd-pstate: Fix amd_pstate mode switch on shared memory systems
 2024-10-18 18:22:43 +02:00
Linus Torvalds
75aa74d52f IOMMU Fixes for Linux v6.12-rc3 
Including:
 
 	- ARM-SMMU fixes from Will Deacon:
 	  - Clarify warning message when failing to disable the MMU-500
 	    prefetcher
 	  - Fix undefined behaviour in calculation of L1 stream-table index
 	    when 32-bit StreamIDs are implemented
 	  - Replace a rogue comma with a semicolon
 
 	- Intel VT-d fix from Lu Baolu:
 	  - Fix incorrect pci_for_each_dma_alias() for non-PCI devices
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Merge tag 'iommu-fixes-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu fixes from Joerg Roedel:
 "ARM-SMMU fixes from Will Deacon:

   - Clarify warning message when failing to disable the MMU-500
     prefetcher

   - Fix undefined behaviour in calculation of L1 stream-table index
     when 32-bit StreamIDs are implemented

   - Replace a rogue comma with a semicolon

  Intel VT-d fix from Lu Baolu:

   - Fix incorrect pci_for_each_dma_alias() for non-PCI devices"

* tag 'iommu-fixes-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
  iommu/vt-d: Fix incorrect pci_for_each_dma_alias() for non-PCI devices
  iommu/arm-smmu-v3: Convert comma to semicolon
  iommu/arm-smmu-v3: Fix last_sid_idx calculation for sid_bits==32
  iommu/arm-smmu: Clarify MMU-500 CPRE workaround
 2024-10-18 07:13:24 -07:00
Linus Torvalds
ef444a0aba powerpc fixes for 6.12 #5 
- To prevent possible memory leak, free "name" on error in opal_event_init()
 
 Thanks to: Michael Ellerman, 2639161967.
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Merge tag 'powerpc-6.12-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fix from Madhavan Srinivasan:

 - To prevent possible memory leak, free "name" on error in
   opal_event_init()

Thanks to Michael Ellerman and 2639161967.

* tag 'powerpc-6.12-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/powernv: Free name on error in opal_event_init()
 2024-10-18 07:07:13 -07:00
Linus Torvalds
c91c14618f s390 fixes for 6.12-rc4 
- Fix PCI error recovery by handling error events correctly
 
 - Fix CCA crypto card behavior within protected execution environment
 
 - Two KVM commits which fix virtual vs physical address handling bugs
   in KVM pfault handling
 
 - Fix return code handling in pckmo_key2protkey()
 
 - Deactivate sclp console as late as possible so that outstanding
   messages appear on the console instead of being dropped on reboot
 
 - Convert newlines to CRLF instead of LFCR for the sclp vt220 driver,
   as required by the vt220 specification
 
 - Initialize also psw mask in perf_arch_fetch_caller_regs() to make
   sure that user_mode(regs) will return false
 
 - Update defconfigs
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Merge tag 's390-6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Heiko Carstens:

 - Fix PCI error recovery by handling error events correctly

 - Fix CCA crypto card behavior within protected execution environment

 - Two KVM commits which fix virtual vs physical address handling bugs
   in KVM pfault handling

 - Fix return code handling in pckmo_key2protkey()

 - Deactivate sclp console as late as possible so that outstanding
   messages appear on the console instead of being dropped on reboot

 - Convert newlines to CRLF instead of LFCR for the sclp vt220 driver,
   as required by the vt220 specification

 - Initialize also psw mask in perf_arch_fetch_caller_regs() to make
   sure that user_mode(regs) will return false

 - Update defconfigs

* tag 's390-6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: Update defconfigs
  s390: Initialize psw mask in perf_arch_fetch_caller_regs()
  s390/sclp_vt220: Convert newlines to CRLF instead of LFCR
  s390/sclp: Deactivate sclp after all its users
  s390/pkey_pckmo: Return with success for valid protected key types
  KVM: s390: Change virtual to physical address access in diag 0x258 handler
  KVM: s390: gaccess: Check if guest address is in memslot
  s390/ap: Fix CCA crypto card behavior within protected execution environment
  s390/pci: Handle PCI error codes other than 0x3a
 2024-10-18 07:01:59 -07:00
Yo-Jung (Leo) Lin
9b673c7551 misc: rtsx: list supported models in Kconfig help 
rts5228, rts5261, rts5264 are supported by the rtsx_pci driver, but
they are not mentioned in the Kconfig help when the code was added.
List those models in the Kconfig help accordingly.

Signed-off-by: Yo-Jung Lin (Leo) <0xff07@gmail.com>
Link: https://lore.kernel.org/r/20241017144747.15966-1-0xff07@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-10-18 13:40:17 +02:00
Greg Kroah-Hartman
6e90b675cf MAINTAINERS: Remove some entries due to various compliance requirements. 
Remove some entries due to various compliance requirements. They can come
back in the future if sufficient documentation is provided.

Link: https://lore.kernel.org/r/2024101835-tiptop-blip-09ed@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-10-18 13:40:03 +02:00
Greg Kroah-Hartman
1154a59921 USB-serial device ids for 6.12-rc4 
Here are some new modem device ids.
 
 Everything has been in linux-next over night with no reported issues.
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Merge tag 'usb-serial-6.12-rc4' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial device ids for 6.12-rc4

Here are some new modem device ids.

Everything has been in linux-next over night with no reported issues.

* tag 'usb-serial-6.12-rc4' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: option: add Telit FN920C04 MBIM compositions
  USB: serial: option: add support for Quectel EG916Q-GL
 2024-10-18 12:11:28 +02:00
Jiqian Chen
0fd2a74330 xen: Remove dependency between pciback and privcmd 
Commit 2fae6bb7be ("xen/privcmd: Add new syscall to get gsi from dev")
adds a weak reverse dependency to the config XEN_PRIVCMD definition, that
dependency causes xen-privcmd can't be loaded on domU, because dependent
xen-pciback isn't always be loaded successfully on domU.

To solve above problem, remove that dependency, and do not call
pcistub_get_gsi_from_sbdf() directly, instead add a hook in
drivers/xen/apci.c, xen-pciback register the real call function, then in
privcmd_ioctl_pcidev_get_gsi call that hook.

Fixes: 2fae6bb7be ("xen/privcmd: Add new syscall to get gsi from dev")
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Jiqian Chen <Jiqian.Chen@amd.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Message-ID: <20241012084537.1543059-1-Jiqian.Chen@amd.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
 2024-10-18 11:59:04 +02:00