Commit Graph

43296 Commits

Author SHA1 Message Date
Linus Torvalds
4563243ede ARM64:
* Fix pKVM error path on init, making sure we do not change critical
   system registers as we're about to fail
 
 * Make sure that the host's vector length is at capped by a value
   common to all CPUs
 
 * Fix kvm_has_feat*() handling of "negative" features, as the current
   code is pretty broken
 
 * Promote Joey to the status of official reviewer, while James steps
   down -- hopefully only temporarly
 
 x86:
 
 * Fix compilation with KVM_INTEL=KVM_AMD=n
 
 * Fix disabling KVM_X86_QUIRK_SLOT_ZAP_ALL when shadow MMU is in use
 
 Selftests:
 
 * Fix compilation on non-x86 architectures
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM64:

   - Fix pKVM error path on init, making sure we do not change critical
     system registers as we're about to fail

   - Make sure that the host's vector length is at capped by a value
     common to all CPUs

   - Fix kvm_has_feat*() handling of "negative" features, as the current
     code is pretty broken

   - Promote Joey to the status of official reviewer, while James steps
     down -- hopefully only temporarly

  x86:

   - Fix compilation with KVM_INTEL=KVM_AMD=n

   - Fix disabling KVM_X86_QUIRK_SLOT_ZAP_ALL when shadow MMU is in use

  Selftests:

   - Fix compilation on non-x86 architectures"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  x86/reboot: emergency callbacks are now registered by common KVM code
  KVM: x86: leave kvm.ko out of the build if no vendor module is requested
  KVM: x86/mmu: fix KVM_X86_QUIRK_SLOT_ZAP_ALL for shadow MMU
  KVM: arm64: Fix kvm_has_feat*() handling of negative features
  KVM: selftests: Fix build on architectures other than x86_64
  KVM: arm64: Another reviewer reshuffle
  KVM: arm64: Constrain the host to the maximum shared SVE VL with pKVM
  KVM: arm64: Fix __pkvm_init_vcpu cptr_el2 error path
2024-10-06 10:53:28 -07:00
Paolo Bonzini
c8d430db8e KVM/arm64 fixes for 6.12, take #1
- Fix pKVM error path on init, making sure we do not change critical
   system registers as we're about to fail
 
 - Make sure that the host's vector length is at capped by a value
   common to all CPUs
 
 - Fix kvm_has_feat*() handling of "negative" features, as the current
   code is pretty broken
 
 - Promote Joey to the status of official reviewer, while James steps
   down -- hopefully only temporarly
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Merge tag 'kvmarm-fixes-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.12, take #1

- Fix pKVM error path on init, making sure we do not change critical
  system registers as we're about to fail

- Make sure that the host's vector length is at capped by a value
  common to all CPUs

- Fix kvm_has_feat*() handling of "negative" features, as the current
  code is pretty broken

- Promote Joey to the status of official reviewer, while James steps
  down -- hopefully only temporarly
2024-10-06 03:59:22 -04:00
Linus Torvalds
27cc6fdf72 linux_kselftest-fixes-6.12-rc2
This kselftest fixes update for Linux 6.12-rc2 consists of fixes
 to build warnings, install scripts, run-time error path, and
 git status cleanups to tests:
 
 -- devices/probe: fix for Python3 regex string syntax warnings
 -- clone3: removing unused macro from clone3_cap_checkpoint_restore()
 -- vDSO: fix to align getrandom states to cache line
 -- core and exec: add missing executables to .gitignore files
 -- rtc: change to skip test if /dev/rtc0 can't be accessed
 -- timers/posix: fix warn_unused_result result in __fatal_error()
 -- breakpoints: fix to detect suspend successful condition correctly
 -- hid: fix to install required dependencies to run the test
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Merge tag 'linux_kselftest-fixes-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fixes from Shuah Khan:
 "Fixes to build warnings, install scripts, run-time error path, and git
  status cleanups to tests:

   - devices/probe: fix for Python3 regex string syntax warnings

   - clone3: removing unused macro from clone3_cap_checkpoint_restore()

   - vDSO: fix to align getrandom states to cache line

   - core and exec: add missing executables to .gitignore files

   - rtc: change to skip test if /dev/rtc0 can't be accessed

   - timers/posix: fix warn_unused_result result in __fatal_error()

   - breakpoints: fix to detect suspend successful condition correctly

   - hid: fix to install required dependencies to run the test"

* tag 'linux_kselftest-fixes-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: breakpoints: use remaining time to check if suspend succeed
  kselftest/devices/probe: Fix SyntaxWarning in regex strings for Python3
  selftest: hid: add missing run-hid-tools-tests.sh
  selftests: vDSO: align getrandom states to cache line
  selftests: exec: update gitignore for load_address
  selftests: core: add unshare_test to gitignore
  clone3: clone3_cap_checkpoint_restore: remove unused MAX_PID_NS_LEVEL macro
  selftests:timers: posix_timers: Fix warn_unused_result in __fatal_error()
  selftest: rtc: Check if could access /dev/rtc0 before testing
2024-10-04 17:30:59 -07:00
Linus Torvalds
622a3ed1ac Various fixes for tracing:
- Fix tp_printk command line option crashing the kernel
 
   With the code that can handle a buffer from a previous boot, the
   trace_check_vprintf() needed access to the delta of the address
   space used by the old buffer and the current buffer. To do so,
   the trace_array (tr) parameter was used. But when tp_printk is
   enabled on the kernel command line, no trace buffer is used and
   the trace event is sent directly to printk(). That meant the tr
   field of the iterator descriptor was NULL, and since tp_printk still
   uses trace_check_vprintf() it caused a NULL dereference.
 
 - Add ptrace.h include to x86 ftrace file for completeness
 
 - Fix rtla installation when done with out-of-tree build
 
 - Fix the help messages in rtla that were incorrect
 
 - Several fixes to fix races with the timerlat and hwlat code
 
   Several locking issues were discovered with the coordination
   between timerlat kthread creation and hotplug. As timerlat has
   callbacks from hotplug code to start kthreads when CPUs come online.
   There are also locking issues with grabbing the cpu_read_lock()
   and the locks within timerlat.
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Merge tag 'trace-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix tp_printk command line option crashing the kernel

   With the code that can handle a buffer from a previous boot, the
   trace_check_vprintf() needed access to the delta of the address space
   used by the old buffer and the current buffer. To do so, the
   trace_array (tr) parameter was used. But when tp_printk is enabled on
   the kernel command line, no trace buffer is used and the trace event
   is sent directly to printk(). That meant the tr field of the iterator
   descriptor was NULL, and since tp_printk still uses
   trace_check_vprintf() it caused a NULL dereference.

 - Add ptrace.h include to x86 ftrace file for completeness

 - Fix rtla installation when done with out-of-tree build

 - Fix the help messages in rtla that were incorrect

 - Several fixes to fix races with the timerlat and hwlat code

   Several locking issues were discovered with the coordination between
   timerlat kthread creation and hotplug. As timerlat has callbacks from
   hotplug code to start kthreads when CPUs come online. There are also
   locking issues with grabbing the cpu_read_lock() and the locks within
   timerlat.

* tag 'trace-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/hwlat: Fix a race during cpuhp processing
  tracing/timerlat: Fix a race during cpuhp processing
  tracing/timerlat: Drop interface_lock in stop_kthread()
  tracing/timerlat: Fix duplicated kthread creation due to CPU online/offline
  x86/ftrace: Include <asm/ptrace.h>
  rtla: Fix the help text in osnoise and timerlat top tools
  tools/rtla: Fix installation from out-of-tree build
  tracing: Fix trace_check_vprintf() when tp_printk is used
2024-10-04 12:11:06 -07:00
Linus Torvalds
2f91ff27b0 sound fixes for 6.12-rc2
Slightly high amount of changes in this round, partly because of my
 vacation in the last weeks.  But all changes are small and nothing
 looks worrisome.
 
 The biggest LOCs is MAINTAINERS updates, and there is a core change
 for card-ID string creation for non-ASCII inputs.  Others are rather
 device-specific, such as new quirks and device IDs for ASoC, usual
 HD-audio and USB-audio quirks and fixes, as well as regression fixes
 in HD-audio HDMI audio and Conexant codec.
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Merge tag 'sound-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Slightly high amount of changes in this round, partly because of my
  vacation in the last weeks. But all changes are small and nothing
  looks worrisome.

  The biggest LOCs is MAINTAINERS updates, and there is a core change
  for card-ID string creation for non-ASCII inputs. Others are rather
  device-specific, such as new quirks and device IDs for ASoC, usual
  HD-audio and USB-audio quirks and fixes, as well as regression fixes
  in HD-audio HDMI audio and Conexant codec"

* tag 'sound-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (39 commits)
  ALSA: hda/conexant: Fix conflicting quirk for System76 Pangolin
  ALSA: line6: add hw monitor volume control to POD HD500X
  ALSA: gus: Fix some error handling paths related to get_bpos() usage
  ALSA: hda: Add missing parameter description for snd_hdac_stream_timecounter_init()
  ALSA: usb-audio: Add native DSD support for Luxman D-08u
  ALSA: core: add isascii() check to card ID generator
  MAINTAINERS: ALSA: use linux-sound@vger.kernel.org list
  Revert "ALSA: hda: Conditionally use snooping for AMD HDMI"
  ASoC: intel: sof_sdw: Add check devm_kasprintf() returned value
  ASoC: imx-card: Set card.owner to avoid a warning calltrace if SND=m
  ASoC: dt-bindings: davinci-mcasp: Fix interrupts property
  ASoC: qcom: sm8250: add qrb4210-rb2-sndcard compatible string
  ASoC: dt-bindings: qcom,sm8250: add qrb4210-rb2-sndcard
  ALSA: hda: fix trigger_tstamp_latched
  ALSA: hda/realtek: Add a quirk for HP Pavilion 15z-ec200
  ALSA: hda/generic: Drop obsoleted obey_preferred_dacs flag
  ALSA: hda/generic: Unconditionally prefer preferred_dacs pairs
  ALSA: silence integer wrapping warning
  ASoC: Intel: soc-acpi: arl: Fix some missing empty terminators
  ASoC: Intel: soc-acpi-intel-rpl-match: add missing empty item
  ...
2024-10-04 11:29:46 -07:00
Eder Zulian
3d7b8ea7a8 rtla: Fix the help text in osnoise and timerlat top tools
The help text in osnoise top and timerlat top had some minor errors
and omissions. The -d option was missing the 's' (second) abbreviation and
the error message for '-d' used '-D'.

Cc: stable@vger.kernel.org
Fixes: 1eceb2fc2c ("rtla/osnoise: Add osnoise top mode")
Fixes: a828cd18bc ("rtla: Add timerlat tool and timelart top mode")
Link: https://lore.kernel.org/20240813155831.384446-1-ezulian@redhat.com
Suggested-by: Tomas Glozar <tglozar@redhat.com>
Reviewed-by: Tomas Glozar <tglozar@redhat.com>
Signed-off-by: Eder Zulian <ezulian@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2024-10-03 16:43:22 -04:00
Ben Hutchings
f771d5369f tools/rtla: Fix installation from out-of-tree build
rtla now supports out-of-tree builds, but installation fails as it
still tries to install the rtla binary from the source tree.  Use the
existing macro $(RTLA) to refer to the binary.

Link: https://lore.kernel.org/ZudubuoU_JHjPZ7w@decadent.org.uk
Fixes: 01474dc706 ("tools/rtla: Use tools/build makefiles to build rtla")
Reviewed-by: Tomas Glozar <tglozar@redhat.com>
Tested-by: Tomas Glozar <tglozar@redhat.com>
Signed-off-by: Ben Hutchings <benh@debian.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2024-10-03 16:43:22 -04:00
Linus Torvalds
8c245fe7dd Including fixes from ieee802154, bluetooth and netfilter.
Current release - regressions:
 
   - eth: mlx5: fix wrong reserved field in hca_cap_2 in mlx5_ifc
 
   - eth: am65-cpsw: fix forever loop in cleanup code
 
 Current release - new code bugs:
 
   - eth: mlx5: HWS, fixed double-free in error flow of creating SQ
 
 Previous releases - regressions:
 
   - core: avoid potential underflow in qdisc_pkt_len_init() with UFO
 
   - core: test for not too small csum_start in virtio_net_hdr_to_skb()
 
   - vrf: revert "vrf: remove unnecessary RCU-bh critical section"
 
   - bluetooth:
     - fix uaf in l2cap_connect
     - fix possible crash on mgmt_index_removed
 
   - dsa: improve shutdown sequence
 
   - eth: mlx5e: SHAMPO, fix overflow of hd_per_wq
 
   - eth: ip_gre: fix drops of small packets in ipgre_xmit
 
 Previous releases - always broken:
 
   - core: fix gso_features_check to check for both dev->gso_{ipv4_,}max_size
 
   - core: fix tcp fraglist segmentation after pull from frag_list
 
   - netfilter: nf_tables: prevent nf_skb_duplicated corruption
 
   - sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
 
   - mac802154: fix potential RCU dereference issue in mac802154_scan_worker
 
   - eth: fec: restart PPS after link state change
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from ieee802154, bluetooth and netfilter.

  Current release - regressions:

   - eth: mlx5: fix wrong reserved field in hca_cap_2 in mlx5_ifc

   - eth: am65-cpsw: fix forever loop in cleanup code

  Current release - new code bugs:

   - eth: mlx5: HWS, fixed double-free in error flow of creating SQ

  Previous releases - regressions:

   - core: avoid potential underflow in qdisc_pkt_len_init() with UFO

   - core: test for not too small csum_start in virtio_net_hdr_to_skb()

   - vrf: revert "vrf: remove unnecessary RCU-bh critical section"

   - bluetooth:
       - fix uaf in l2cap_connect
       - fix possible crash on mgmt_index_removed

   - dsa: improve shutdown sequence

   - eth: mlx5e: SHAMPO, fix overflow of hd_per_wq

   - eth: ip_gre: fix drops of small packets in ipgre_xmit

  Previous releases - always broken:

   - core: fix gso_features_check to check for both
     dev->gso_{ipv4_,}max_size

   - core: fix tcp fraglist segmentation after pull from frag_list

   - netfilter: nf_tables: prevent nf_skb_duplicated corruption

   - sctp: set sk_state back to CLOSED if autobind fails in
     sctp_listen_start

   - mac802154: fix potential RCU dereference issue in
     mac802154_scan_worker

   - eth: fec: restart PPS after link state change"

* tag 'net-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (48 commits)
  sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
  dt-bindings: net: xlnx,axi-ethernet: Add missing reg minItems
  doc: net: napi: Update documentation for napi_schedule_irqoff
  net/ncsi: Disable the ncsi work before freeing the associated structure
  net: phy: qt2025: Fix warning: unused import DeviceId
  gso: fix udp gso fraglist segmentation after pull from frag_list
  bridge: mcast: Fail MDB get request on empty entry
  vrf: revert "vrf: Remove unnecessary RCU-bh critical section"
  net: ethernet: ti: am65-cpsw: Fix forever loop in cleanup code
  net: phy: realtek: Check the index value in led_hw_control_get
  ppp: do not assume bh is held in ppp_channel_bridge_input()
  selftests: rds: move include.sh to TEST_FILES
  net: test for not too small csum_start in virtio_net_hdr_to_skb()
  net: gso: fix tcp fraglist segmentation after pull from frag_list
  ipv4: ip_gre: Fix drops of small packets in ipgre_xmit
  net: stmmac: dwmac4: extend timeout for VLAN Tag register busy bit check
  net: add more sanity checks to qdisc_pkt_len_init()
  net: avoid potential underflow in qdisc_pkt_len_init() with UFO
  net: ethernet: ti: cpsw_ale: Fix warning on some platforms
  net: microchip: Make FDMA config symbol invisible
  ...
2024-10-03 09:44:00 -07:00
Paolo Abeni
1127c73a8d netfilter pull request 24-10-02
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Merge tag 'nf-24-10-02' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following patchset contains Netfilter fixes for net:

1) Fix incorrect documentation in uapi/linux/netfilter/nf_tables.h
   regarding flowtable hooks, from Phil Sutter.

2) Fix nft_audit.sh selftests with newer nft binaries, due to different
   (valid) audit output, also from Phil.

3) Disable BH when duplicating packets via nf_dup infrastructure,
   otherwise race on nf_skb_duplicated for locally generated traffic.
   From Eric.

4) Missing return in callback of selftest C program, from zhang jiao.

netfilter pull request 24-10-02

* tag 'nf-24-10-02' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  selftests: netfilter: Add missing return value
  netfilter: nf_tables: prevent nf_skb_duplicated corruption
  selftests: netfilter: Fix nft_audit.sh for newer nft binaries
  netfilter: uapi: NFTA_FLOWTABLE_HOOK is NLA_NESTED
====================

Link: https://patch.msgid.link/20241002202421.1281311-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-03 12:01:05 +02:00
Hangbin Liu
8ed7cf66f4 selftests: rds: move include.sh to TEST_FILES
The include.sh file is generated for inclusion and should not be executable.
Otherwise, it will be added to kselftest-list.txt. Additionally, add the
executable bit for test.py at the same time to ensure proper functionality.

Fixes: 3ade6ce125 ("selftests: rds: add testing infrastructure")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20240927041349.81216-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-10-02 17:22:49 -07:00
Linus Torvalds
7ec462100e Getting rid of asm/unaligned.h includes
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Merge tag 'pull-work.unaligned' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull generic unaligned.h cleanups from Al Viro:
 "Get rid of architecture-specific <asm/unaligned.h> includes, replacing
  them with a single generic <linux/unaligned.h> header file.

  It's the second largest (after asm/io.h) class of asm/* includes, and
  all but two architectures actually end up using exact same file.

  Massage the remaining two (arc and parisc) to do the same and just
  move the thing to from asm-generic/unaligned.h to linux/unaligned.h"

[ This is one of those things that we're better off doing outside the
  merge window, and would only cause extra conflict noise if it was in
  linux-next for the next release due to all the trivial #include line
  updates.  Rip off the band-aid.   - Linus ]

* tag 'pull-work.unaligned' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  move asm/unaligned.h to linux/unaligned.h
  arc: get rid of private asm/unaligned.h
  parisc: get rid of private asm/unaligned.h
2024-10-02 16:42:28 -07:00
Al Viro
5f60d5f6bb move asm/unaligned.h to linux/unaligned.h
asm/unaligned.h is always an include of asm-generic/unaligned.h;
might as well move that thing to linux/unaligned.h and include
that - there's nothing arch-specific in that header.

auto-generated by the following:

for i in `git grep -l -w asm/unaligned.h`; do
	sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $i
done
for i in `git grep -l -w asm-generic/unaligned.h`; do
	sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $i
done
git mv include/asm-generic/unaligned.h include/linux/unaligned.h
git mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.h
sed -i -e "/unaligned.h/d" include/asm-generic/Kbuild
sed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h
2024-10-02 17:23:23 -04:00
Yifei Liu
c66be905cd selftests: breakpoints: use remaining time to check if suspend succeed
step_after_suspend_test fails with device busy error while
writing to /sys/power/state to start suspend. The test believes
it failed to enter suspend state with

$ sudo ./step_after_suspend_test
TAP version 13
Bail out! Failed to enter Suspend state

However, in the kernel message, I indeed see the system get
suspended and then wake up later.

[611172.033108] PM: suspend entry (s2idle)
[611172.044940] Filesystems sync: 0.006 seconds
[611172.052254] Freezing user space processes
[611172.059319] Freezing user space processes completed (elapsed 0.001 seconds)
[611172.067920] OOM killer disabled.
[611172.072465] Freezing remaining freezable tasks
[611172.080332] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)
[611172.089724] printk: Suspending console(s) (use no_console_suspend to debug)
[611172.117126] serial 00:03: disabled
some other hardware get reconnected
[611203.136277] OOM killer enabled.
[611203.140637] Restarting tasks ...
[611203.141135] usb 1-8.1: USB disconnect, device number 7
[611203.141755] done.
[611203.155268] random: crng reseeded on system resumption
[611203.162059] PM: suspend exit

After investigation, I noticed that for the code block
if (write(power_state_fd, "mem", strlen("mem")) != strlen("mem"))
	ksft_exit_fail_msg("Failed to enter Suspend state\n");

The write will return -1 and errno is set to 16 (device busy).
It should be caused by the write function is not successfully returned
before the system suspend and the return value get messed when waking up.
As a result, It may be better to check the time passed of those few
instructions to determine whether the suspend is executed correctly for
it is pretty hard to execute those few lines for 5 seconds.

The timer to wake up the system is set to expire after 5 seconds and
no re-arm. If the timer remaining time is 0 second and 0 nano secomd,
it means the timer expired and wake the system up. Otherwise, the system
could be considered to enter the suspend state failed if there is any
remaining time.

After appling this patch, the test would not fail for it believes the
system does not go to suspend by mistake. It now could continue to the
rest part of the test after suspend.

Fixes: bfd092b8c2 ("selftests: breakpoint: add step_after_suspend_test")
Reported-by: Sinadin Shan <sinadin.shan@oracle.com>
Signed-off-by: Yifei Liu <yifei.l.liu@oracle.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-10-02 14:37:30 -06:00
Alessandro Zanni
a19008256d kselftest/devices/probe: Fix SyntaxWarning in regex strings for Python3
Insert raw strings to prevent Python3 from interpreting string literals
as Unicode strings and "\d" as invalid escaped sequence.

Fix the warnings:

tools/testing/selftests/devices/probe/test_discoverable_devices.py:48:
SyntaxWarning: invalid escape sequence '\d' usb_controller_sysfs_dir =
"usb[\d]+"

tools/testing/selftests/devices/probe/test_discoverable_devices.py: 94:
SyntaxWarning: invalid escape sequence '\d' re_usb_version =
re.compile("PRODUCT=.*/(\d)/.*")

Fixes: dacf1d7a78 ("kselftest: Add test to verify probe of devices from discoverable buses")

Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Alessandro Zanni <alessandro.zanni87@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-10-02 14:30:58 -06:00
Takashi Iwai
0c436dfe5c ASoC: Fixes for v6.12
A bunch of fixes here that came in during the merge window and the first
 week of release, plus some new quirks and device IDs.  There's nothing
 major here, it's a bit bigger than it might've been due to there being
 no fixes sent during the merge window due to your vacation.
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Merge tag 'asoc-fix-v6.12-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.12

A bunch of fixes here that came in during the merge window and the first
week of release, plus some new quirks and device IDs.  There's nothing
major here, it's a bit bigger than it might've been due to there being
no fixes sent during the merge window due to your vacation.
2024-10-02 21:29:16 +02:00
Mark Brown
76f972c2cf KVM: selftests: Fix build on architectures other than x86_64
The recent addition of support for testing with the x86 specific quirk
KVM_X86_QUIRK_SLOT_ZAP_ALL disabled in the generic memslot tests broke the
build of the KVM selftests for all other architectures:

In file included from include/kvm_util.h:8,
                 from include/memstress.h:13,
                 from memslot_modification_stress_test.c:21:
memslot_modification_stress_test.c: In function ‘main’:
memslot_modification_stress_test.c:176:38: error: ‘KVM_X86_QUIRK_SLOT_ZAP_ALL’ undeclared (first use in this function)
  176 |                                      KVM_X86_QUIRK_SLOT_ZAP_ALL);
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~~~

Add __x86_64__ guard defines to avoid building the relevant code on other
architectures.

Fixes: 61de4c34b5 ("KVM: selftests: Test memslot move in memslot_perf_test with quirk disabled")
Fixes: 218f641500 ("KVM: selftests: Allow slot modification stress test with quirk disabled")
Reported-by: Aishwarya TCV <aishwarya.tcv@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Message-ID: <20240930-kvm-build-breakage-v1-1-866fad3cc164@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-01 11:07:26 -04:00
Yun Lu
160c826b4d selftest: hid: add missing run-hid-tools-tests.sh
HID test cases run tests using the run-hid-tools-tests.sh script.
When installed with "make install", the run-hid-tools-tests.sh
script will not be copied over, resulting in the following error message.

  make -C tools/testing/selftests/ TARGETS=hid install \
  	  INSTALL_PATH=$KSFT_INSTALL_PATH

  cd $KSFT_INSTALL_PATH
  ./run_kselftest.sh -c hid

selftests: hid: hid-core.sh
bash: ./run-hid-tools-tests.sh: No such file or directory

Add the run-hid-tools-tests.sh script to the TEST_FILES in the Makefile
for it to be installed.

Fixes: ffb85d5c9e ("selftests: hid: import hid-tools hid-core tests")
Signed-off-by: Yun Lu <luyun@kylinos.cn>
Acked-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-10-01 08:39:13 -06:00
Jason A. Donenfeld
a18c835779 selftests: vDSO: align getrandom states to cache line
This prevents false sharing, which makes a large difference on machines
with several NUMA nodes, such as on a dual socket Intel(R) Xeon(R) Gold
6338 CPU @ 2.00GHz, where the "bench-multi" test goes from 2.7s down to
1.9s. While this is just test code, it also forms the basis of how folks
will wind up implementing this in libraries, so we should implement this
simple cache alignment improvement here.

Suggested-by: Florian Weimer <fweimer@redhat.com>
Cc: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-10-01 08:30:58 -06:00
Linus Torvalds
e32cde8d2b sched_ext: A second set of fixes for v6.12-rc1
- When sched_ext is in bypass mode (e.g. while disabling the BPF scheduler),
   it was using one DSQ to implement global FIFO scheduling as all it has to
   do is guaranteeing reasonable forward progress. On multi-socket machines,
   this can lead to live-lock conditions under certain workloads. Fixed by
   splitting the queue used for FIFO scheduling per NUMA node. This required
   several preparation patches.
 
 - Hotplug tests on powerpc could reliably trigger deadlock while enabling a
   BPF scheduler. This was caused by cpu_hotplug_lock nesting inside
   scx_fork_rwsem and then CPU hotplug path trying to fork a new thread while
   holding cpu_hotplug_lock. Fixed by restructuring locking in enable and
   disable paths so that the two locks are not coupled. This required several
   preparation patches which also fixed a couple other issues in the enable
   path.
 
 - A build fix for !CONFIG_SMP.
 
 - Userspace tooling sync and updates.
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Merge tag 'sched_ext-for-6.12-rc1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

Pull sched_ext fixes from Tejun Heo:

 - When sched_ext is in bypass mode (e.g. while disabling the BPF
   scheduler), it was using one DSQ to implement global FIFO scheduling
   as all it has to do is guaranteeing reasonable forward progress.

   On multi-socket machines, this can lead to live-lock conditions under
   certain workloads. Fixed by splitting the queue used for FIFO
   scheduling per NUMA node. This required several preparation patches.

 - Hotplug tests on powerpc could reliably trigger deadlock while
   enabling a BPF scheduler.

   This was caused by cpu_hotplug_lock nesting inside scx_fork_rwsem and
   then CPU hotplug path trying to fork a new thread while holding
   cpu_hotplug_lock.

   Fixed by restructuring locking in enable and disable paths so that
   the two locks are not coupled. This required several preparation
   patches which also fixed a couple other issues in the enable path.

 - A build fix for !CONFIG_SMP

 - Userspace tooling sync and updates

* tag 'sched_ext-for-6.12-rc1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
  sched_ext: Remove redundant p->nr_cpus_allowed checker
  sched_ext: Decouple locks in scx_ops_enable()
  sched_ext: Decouple locks in scx_ops_disable_workfn()
  sched_ext: Add scx_cgroup_enabled to gate cgroup operations and fix scx_tg_online()
  sched_ext: Enable scx_ops_init_task() separately
  sched_ext: Fix SCX_TASK_INIT -> SCX_TASK_READY transitions in scx_ops_enable()
  sched_ext: Initialize in bypass mode
  sched_ext: Remove SCX_OPS_PREPPING
  sched_ext: Relocate check_hotplug_seq() call in scx_ops_enable()
  sched_ext: Use shorter slice while bypassing
  sched_ext: Split the global DSQ per NUMA node
  sched_ext: Relocate find_user_dsq()
  sched_ext: Allow only user DSQs for scx_bpf_consume(), scx_bpf_dsq_nr_queued() and bpf_iter_scx_dsq_new()
  scx_flatcg: Use a user DSQ for fallback instead of SCX_DSQ_GLOBAL
  tools/sched_ext: Receive misc updates from SCX repo
  sched_ext: Add __COMPAT helpers for features added during v6.12 devel cycle
  sched_ext: Build fix for !CONFIG_SMP
2024-09-30 12:58:17 -07:00
Javier Carrasco
45a8897db6 selftests: exec: update gitignore for load_address
The name of the "load_address" objects has been modified, but the
corresponding entry in the gitignore file must be updated.

Update the load_address entry in the gitignore file to account for
the new names, adding an exception to keep on tracking load_address.c.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-09-30 11:42:19 -06:00
Javier Carrasco
b79a038de6 selftests: core: add unshare_test to gitignore
This executable is missing from the corresponding gitignore file.
Add unshare_test to the core gitignore list.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-09-30 11:42:11 -06:00
Ba Jing
74923546a0 clone3: clone3_cap_checkpoint_restore: remove unused MAX_PID_NS_LEVEL macro
The macro MAX_PID_NS_LEVEL is never referenced in the code, so remove it.

Signed-off-by: Ba Jing <bajing@cmss.chinamobile.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-09-30 11:39:56 -06:00
Shuah Khan
ba87297200 selftests:timers: posix_timers: Fix warn_unused_result in __fatal_error()
__fatal_error routine doesn't check strerror_r() return value,
which results in the following compile time warning:

posix_timers.c: In function ‘__fatal_error’:
posix_timers.c:31:9: warning: ignoring return value of ‘strerror_r’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   31 |         strerror_r(errno, buf, sizeof(buf));

Fix this by adding a check for return value and error handling appropriate
for the GNU-specific strerror_r() in use in __fatal_error(). Check if
return string is null and handle accordingly.

From Linux strerror_r() manual page:

"The GNU-specific strerror_r() returns a pointer to a string containing
the error message. This may be either a pointer to a string that the
function stores in buf, or a pointer to some (immutable) static string
(in which case buf is unused). If the function stores a string in buf,
then at most buflen bytes are stored (the string may be truncated if
buflen is too small and errnum is unknown). The string always includes
a terminating null byte."

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: John Stultz <jstultz@google.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-09-30 11:37:55 -06:00
Joseph Jang
1ad999870a selftest: rtc: Check if could access /dev/rtc0 before testing
The rtctest requires the read permission on /dev/rtc0. The rtctest will
be skipped if the /dev/rtc0 is not readable.

Reviewed-by: Koba Ko <kobak@nvidia.com>
Reviewed-by: Matthew R. Ochs <mochs@nvidia.com>
Signed-off-by: Joseph Jang <jjang@nvidia.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-09-30 11:32:07 -06:00
Abdul Rahim
2a94a0898b selftest: alsa: check if user has alsa installed
Currently, if alsa development package is not installed on the user's
system then the make command would print a `pagefull` of errors. In
particular one error message is repeated 3 times. This error is returned
by `pkg-config` and since it is not being handeled appropriately,
repeated calls to `pkg-config` prints the same message again.

This patch adds check for alsa package installation. If alsa is not
installed, a short and consize error is returned. Also, it does not
affect the compilation of other tests.

Signed-off-by: Abdul Rahim <abdul.rahim@myyahoo.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/20240922225824.18918-1-abdul.rahim@myyahoo.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-09-30 09:47:34 +02:00
Linus Torvalds
e7ebdb5161 linux_kselftest-next-6.12-rc1-fixes
This kselftest fixes update for Linux 6.12-rc1 consists of an urgent
 fix to vDSO as automated testing is failing due to this bug.
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Merge tag 'linux_kselftest-next-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:
 "One urgent fix to vDSO as automated testing is failing due to this
  bug"

* tag 'linux_kselftest-next-6.12-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: vDSO: align stack for O2-optimized memcpy
2024-09-29 08:37:03 -07:00
Linus Torvalds
3efc57369a x86:
* KVM currently invalidates the entirety of the page tables, not just
   those for the memslot being touched, when a memslot is moved or deleted.
   The former does not have particularly noticeable overhead, but Intel's
   TDX will require the guest to re-accept private pages if they are
   dropped from the secure EPT, which is a non starter.  Actually,
   the only reason why this is not already being done is a bug which
   was never fully investigated and caused VM instability with assigned
   GeForce GPUs, so allow userspace to opt into the new behavior.
 
 * Advertise AVX10.1 to userspace (effectively prep work for the "real" AVX10
   functionality that is on the horizon).
 
 * Rework common MSR handling code to suppress errors on userspace accesses to
   unsupported-but-advertised MSRs.  This will allow removing (almost?) all of
   KVM's exemptions for userspace access to MSRs that shouldn't exist based on
   the vCPU model (the actual cleanup is non-trivial future work).
 
 * Rework KVM's handling of x2APIC ICR, again, because AMD (x2AVIC) splits the
   64-bit value into the legacy ICR and ICR2 storage, whereas Intel (APICv)
   stores the entire 64-bit value at the ICR offset.
 
 * Fix a bug where KVM would fail to exit to userspace if one was triggered by
   a fastpath exit handler.
 
 * Add fastpath handling of HLT VM-Exit to expedite re-entering the guest when
   there's already a pending wake event at the time of the exit.
 
 * Fix a WARN caused by RSM entering a nested guest from SMM with invalid guest
   state, by forcing the vCPU out of guest mode prior to signalling SHUTDOWN
   (the SHUTDOWN hits the VM altogether, not the nested guest)
 
 * Overhaul the "unprotect and retry" logic to more precisely identify cases
   where retrying is actually helpful, and to harden all retry paths against
   putting the guest into an infinite retry loop.
 
 * Add support for yielding, e.g. to honor NEED_RESCHED, when zapping rmaps in
   the shadow MMU.
 
 * Refactor pieces of the shadow MMU related to aging SPTEs in prepartion for
   adding multi generation LRU support in KVM.
 
 * Don't stuff the RSB after VM-Exit when RETPOLINE=y and AutoIBRS is enabled,
   i.e. when the CPU has already flushed the RSB.
 
 * Trace the per-CPU host save area as a VMCB pointer to improve readability
   and cleanup the retrieval of the SEV-ES host save area.
 
 * Remove unnecessary accounting of temporary nested VMCB related allocations.
 
 * Set FINAL/PAGE in the page fault error code for EPT violations if and only
   if the GVA is valid.  If the GVA is NOT valid, there is no guest-side page
   table walk and so stuffing paging related metadata is nonsensical.
 
 * Fix a bug where KVM would incorrectly synthesize a nested VM-Exit instead of
   emulating posted interrupt delivery to L2.
 
 * Add a lockdep assertion to detect unsafe accesses of vmcs12 structures.
 
 * Harden eVMCS loading against an impossible NULL pointer deref (really truly
   should be impossible).
 
 * Minor SGX fix and a cleanup.
 
 * Misc cleanups
 
 Generic:
 
 * Register KVM's cpuhp and syscore callbacks when enabling virtualization in
   hardware, as the sole purpose of said callbacks is to disable and re-enable
   virtualization as needed.
 
 * Enable virtualization when KVM is loaded, not right before the first VM
   is created.  Together with the previous change, this simplifies a
   lot the logic of the callbacks, because their very existence implies
   virtualization is enabled.
 
 * Fix a bug that results in KVM prematurely exiting to userspace for coalesced
   MMIO/PIO in many cases, clean up the related code, and add a testcase.
 
 * Fix a bug in kvm_clear_guest() where it would trigger a buffer overflow _if_
   the gpa+len crosses a page boundary, which thankfully is guaranteed to not
   happen in the current code base.  Add WARNs in more helpers that read/write
   guest memory to detect similar bugs.
 
 Selftests:
 
 * Fix a goof that caused some Hyper-V tests to be skipped when run on bare
   metal, i.e. NOT in a VM.
 
 * Add a regression test for KVM's handling of SHUTDOWN for an SEV-ES guest.
 
 * Explicitly include one-off assets in .gitignore.  Past Sean was completely
   wrong about not being able to detect missing .gitignore entries.
 
 * Verify userspace single-stepping works when KVM happens to handle a VM-Exit
   in its fastpath.
 
 * Misc cleanups
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull x86 kvm updates from Paolo Bonzini:
 "x86:

   - KVM currently invalidates the entirety of the page tables, not just
     those for the memslot being touched, when a memslot is moved or
     deleted.

     This does not traditionally have particularly noticeable overhead,
     but Intel's TDX will require the guest to re-accept private pages
     if they are dropped from the secure EPT, which is a non starter.

     Actually, the only reason why this is not already being done is a
     bug which was never fully investigated and caused VM instability
     with assigned GeForce GPUs, so allow userspace to opt into the new
     behavior.

   - Advertise AVX10.1 to userspace (effectively prep work for the
     "real" AVX10 functionality that is on the horizon)

   - Rework common MSR handling code to suppress errors on userspace
     accesses to unsupported-but-advertised MSRs

     This will allow removing (almost?) all of KVM's exemptions for
     userspace access to MSRs that shouldn't exist based on the vCPU
     model (the actual cleanup is non-trivial future work)

   - Rework KVM's handling of x2APIC ICR, again, because AMD (x2AVIC)
     splits the 64-bit value into the legacy ICR and ICR2 storage,
     whereas Intel (APICv) stores the entire 64-bit value at the ICR
     offset

   - Fix a bug where KVM would fail to exit to userspace if one was
     triggered by a fastpath exit handler

   - Add fastpath handling of HLT VM-Exit to expedite re-entering the
     guest when there's already a pending wake event at the time of the
     exit

   - Fix a WARN caused by RSM entering a nested guest from SMM with
     invalid guest state, by forcing the vCPU out of guest mode prior to
     signalling SHUTDOWN (the SHUTDOWN hits the VM altogether, not the
     nested guest)

   - Overhaul the "unprotect and retry" logic to more precisely identify
     cases where retrying is actually helpful, and to harden all retry
     paths against putting the guest into an infinite retry loop

   - Add support for yielding, e.g. to honor NEED_RESCHED, when zapping
     rmaps in the shadow MMU

   - Refactor pieces of the shadow MMU related to aging SPTEs in
     prepartion for adding multi generation LRU support in KVM

   - Don't stuff the RSB after VM-Exit when RETPOLINE=y and AutoIBRS is
     enabled, i.e. when the CPU has already flushed the RSB

   - Trace the per-CPU host save area as a VMCB pointer to improve
     readability and cleanup the retrieval of the SEV-ES host save area

   - Remove unnecessary accounting of temporary nested VMCB related
     allocations

   - Set FINAL/PAGE in the page fault error code for EPT violations if
     and only if the GVA is valid. If the GVA is NOT valid, there is no
     guest-side page table walk and so stuffing paging related metadata
     is nonsensical

   - Fix a bug where KVM would incorrectly synthesize a nested VM-Exit
     instead of emulating posted interrupt delivery to L2

   - Add a lockdep assertion to detect unsafe accesses of vmcs12
     structures

   - Harden eVMCS loading against an impossible NULL pointer deref
     (really truly should be impossible)

   - Minor SGX fix and a cleanup

   - Misc cleanups

  Generic:

   - Register KVM's cpuhp and syscore callbacks when enabling
     virtualization in hardware, as the sole purpose of said callbacks
     is to disable and re-enable virtualization as needed

   - Enable virtualization when KVM is loaded, not right before the
     first VM is created

     Together with the previous change, this simplifies a lot the logic
     of the callbacks, because their very existence implies
     virtualization is enabled

   - Fix a bug that results in KVM prematurely exiting to userspace for
     coalesced MMIO/PIO in many cases, clean up the related code, and
     add a testcase

   - Fix a bug in kvm_clear_guest() where it would trigger a buffer
     overflow _if_ the gpa+len crosses a page boundary, which thankfully
     is guaranteed to not happen in the current code base. Add WARNs in
     more helpers that read/write guest memory to detect similar bugs

  Selftests:

   - Fix a goof that caused some Hyper-V tests to be skipped when run on
     bare metal, i.e. NOT in a VM

   - Add a regression test for KVM's handling of SHUTDOWN for an SEV-ES
     guest

   - Explicitly include one-off assets in .gitignore. Past Sean was
     completely wrong about not being able to detect missing .gitignore
     entries

   - Verify userspace single-stepping works when KVM happens to handle a
     VM-Exit in its fastpath

   - Misc cleanups"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (127 commits)
  Documentation: KVM: fix warning in "make htmldocs"
  s390: Enable KVM_S390_UCONTROL config in debug_defconfig
  selftests: kvm: s390: Add VM run test case
  KVM: SVM: let alternatives handle the cases when RSB filling is required
  KVM: VMX: Set PFERR_GUEST_{FINAL,PAGE}_MASK if and only if the GVA is valid
  KVM: x86/mmu: Use KVM_PAGES_PER_HPAGE() instead of an open coded equivalent
  KVM: x86/mmu: Add KVM_RMAP_MANY to replace open coded '1' and '1ul' literals
  KVM: x86/mmu: Fold mmu_spte_age() into kvm_rmap_age_gfn_range()
  KVM: x86/mmu: Morph kvm_handle_gfn_range() into an aging specific helper
  KVM: x86/mmu: Honor NEED_RESCHED when zapping rmaps and blocking is allowed
  KVM: x86/mmu: Add a helper to walk and zap rmaps for a memslot
  KVM: x86/mmu: Plumb a @can_yield parameter into __walk_slot_rmaps()
  KVM: x86/mmu: Move walk_slot_rmaps() up near for_each_slot_rmap_range()
  KVM: x86/mmu: WARN on MMIO cache hit when emulating write-protected gfn
  KVM: x86/mmu: Detect if unprotect will do anything based on invalid_list
  KVM: x86/mmu: Subsume kvm_mmu_unprotect_page() into the and_retry() version
  KVM: x86: Rename reexecute_instruction()=>kvm_unprotect_and_retry_on_failure()
  KVM: x86: Update retry protection fields when forcing retry on emulation failure
  KVM: x86: Apply retry protection to "unprotect on failure" path
  KVM: x86: Check EMULTYPE_WRITE_PF_TO_SP before unprotecting gfn
  ...
2024-09-28 09:20:14 -07:00
Linus Torvalds
e08d227840 more s390 updates for 6.12 merge window
- Clean up and improve vdso code: use SYM_* macros for function and
   data annotations, add CFI annotations to fix GDB unwinding, optimize
   the chacha20 implementation
 
 - Add vfio-ap driver feature advertisement for use by libvirt and mdevctl
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Merge tag 's390-6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull more s390 updates from Vasily Gorbik:

 - Clean up and improve vdso code: use SYM_* macros for function and
   data annotations, add CFI annotations to fix GDB unwinding, optimize
   the chacha20 implementation

 - Add vfio-ap driver feature advertisement for use by libvirt and
   mdevctl

* tag 's390-6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/vfio-ap: Driver feature advertisement
  s390/vdso: Use one large alternative instead of an alternative branch
  s390/vdso: Use SYM_DATA_START_LOCAL()/SYM_DATA_END() for data objects
  tools: Add additional SYM_*() stubs to linkage.h
  s390/vdso: Use macros for annotation of asm functions
  s390/vdso: Add CFI annotations to __arch_chacha20_blocks_nostack()
  s390/vdso: Fix comment within __arch_chacha20_blocks_nostack()
  s390/vdso: Get rid of permutation constants
2024-09-28 09:11:46 -07:00
Linus Torvalds
033af36def cxl changes for v6.12
Misc cleanups:
 - Convert devm_cxl_add_root() to return using ERR_CAST().
 - cxl_test use dev_is_platform() instead of open coding.
 - Remove duplicate include of header core.h in core/cdat.c.
 - use scoped resource management to drop put_device() for cxl_port
 - Use scoped_guard to drop device_lock() for cxl_port
 - Refactor __devm_cxl_add_port() to drop gotos
 - Rename cxl_setup_parent_dport to cxl_dport_init_aer and cxl_dport_map_regs()
   to cxl_dport_map_ras().
 - Refactor cxl_dport_init_aer() to be more concise.
 - Remove duplicate host_bridge->native_aer checking in cxl_dport_init_ras_reporting().
 - Fix comment for cxl_query_cmd()
 
 Series to address HDM decoder initialization from DVSEC ranges:
 - Only register non-zero DVSEC ranges.
 - Remove duplicate implementation of waiting for memory_info_valid.
 - Simplify the checking of mem_enabled in  cxl_hdm_decode_init().
 
 Remove locking from memory notifier callback
 
 Series that refactors the code related to cxl mailboxes to be independent of the memory devices
 - Move cxl headers in include/linux/ to include/cxl.
 - Move all mailbox related data to 'struct cxl_mailbox'.
 - Refactor mailbox APIs with 'struct cxl_mailbox' as input instead of memory device state.
 
 Series that adds support for shared upstream link access_coordinate calculation for
 configurations that have multiple targets under a switch or a root port where the
 aggregated bandwidth can be greater than the upstream link of the switch/RP upstream
 link.
 - Preserve the CDAT access_coordinate from an endpoint
 - Add the support for shared upstream link access_coordinate calculation
 - Add documentation to explain how the calculations are done.
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Merge tag 'cxl-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull compute express link (cxl) updates from Dave Jiang:
 "Major changes address HDM decoder initialization from DVSEC ranges,
  refactoring the code related to cxl mailboxes to be independent of the
  memory devices, and adding support for shared upstream link
  access_coordinate calculation, as well as a change to remove locking
  from memory notifier callback.

  In addition, a number of misc cleanups and refactoring of the code are
  also included.

  Address HDM decoder initialization from DVSEC ranges:
   - Only register non-zero DVSEC ranges
   - Remove duplicate implementation of waiting for memory_info_valid
   - Simplify the checking of mem_enabled in  cxl_hdm_decode_init()

  Refactor the code related to cxl mailboxes to be independent of the memory devices:
   - Move cxl headers in include/linux/ to include/cxl
   - Move all mailbox related data to 'struct cxl_mailbox'
   - Refactor mailbox APIs with 'struct cxl_mailbox' as input instead of
     memory device state

  Add support for shared upstream link access_coordinate calculation for
  configurations that have multiple targets under a switch or a root
  port where the aggregated bandwidth can be greater than the upstream
  link of the switch/RP upstream link:
   - Preserve the CDAT access_coordinate from an endpoint
   - Add the support for shared upstream link access_coordinate calculation
   - Add documentation to explain how the calculations are done

  Remove locking from memory notifier callback.

  Misc cleanups:
   - Convert devm_cxl_add_root() to return using ERR_CAST()
   - cxl_test use dev_is_platform() instead of open coding
   - Remove duplicate include of header core.h in core/cdat.c
   - use scoped resource management to drop put_device() for cxl_port
   - Use scoped_guard to drop device_lock() for cxl_port
   - Refactor __devm_cxl_add_port() to drop gotos
   - Rename cxl_setup_parent_dport to cxl_dport_init_aer and
     cxl_dport_map_regs() to cxl_dport_map_ras()
   - Refactor cxl_dport_init_aer() to be more concise
   - Remove duplicate host_bridge->native_aer checking in
     cxl_dport_init_ras_reporting()
   - Fix comment for cxl_query_cmd()"

* tag 'cxl-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (21 commits)
  cxl: Add documentation to explain the shared link bandwidth calculation
  cxl: Calculate region bandwidth of targets with shared upstream link
  cxl: Preserve the CDAT access_coordinate for an endpoint
  cxl: Fix comment regarding cxl_query_cmd() return data
  cxl: Convert cxl_internal_send_cmd() to use 'struct cxl_mailbox' as input
  cxl: Move mailbox related bits to the same context
  cxl: move cxl headers to new include/cxl/ directory
  cxl/region: Remove lock from memory notifier callback
  cxl/pci: simplify the check of mem_enabled in cxl_hdm_decode_init()
  cxl/pci: Check Mem_info_valid bit for each applicable DVSEC
  cxl/pci: Remove duplicated implementation of waiting for memory_info_valid
  cxl/pci: Fix to record only non-zero ranges
  cxl/pci: Remove duplicate host_bridge->native_aer checking
  cxl/pci: cxl_dport_map_rch_aer() cleanup
  cxl/pci: Rename cxl_setup_parent_dport() and cxl_dport_map_regs()
  cxl/port: Refactor __devm_cxl_add_port() to drop goto pattern
  cxl/port: Use scoped_guard()/guard() to drop device_lock() for cxl_port
  cxl/port: Use __free() to drop put_device() for cxl_port
  cxl: Remove duplicate included header file core.h
  tools/testing/cxl: Use dev_is_platform()
  ...
2024-09-27 11:42:03 -07:00
Jason A. Donenfeld
4b721fcc09 selftests: vDSO: align stack for O2-optimized memcpy
When switching on -O2, gcc generates SSE2 instructions that assume a
16-byte aligned stack, which the standalone test's start point wasn't
aligning. Fix this with the usual alignment sequence.

Fixes: ecb8bd70d5 ("selftests: vDSO: build tests with O2 optimization")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202409241558.98e13f6f-oliver.sang@intel.com
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-09-27 12:17:12 -06:00
Linus Torvalds
eee280841e 19 hotfixes. 13 are cc:stable.
There's a focus on fixes for the memfd_pin_folios() work which was added
 into 6.11.  Apart from that, the usual shower of singleton fixes.
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Merge tag 'mm-hotfixes-stable-2024-09-27-09-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull  misc fixes from Andrew Morton:
 "19 hotfixes.  13 are cc:stable.

  There's a focus on fixes for the memfd_pin_folios() work which was
  added into 6.11. Apart from that, the usual shower of singleton fixes"

* tag 'mm-hotfixes-stable-2024-09-27-09-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  ocfs2: fix uninit-value in ocfs2_get_block()
  zram: don't free statically defined names
  memory tiers: use default_dram_perf_ref_source in log message
  Revert "list: test: fix tests for list_cut_position()"
  kselftests: mm: fix wrong __NR_userfaultfd value
  compiler.h: specify correct attribute for .rodata..c_jump_table
  mm/damon/Kconfig: update DAMON doc URL
  mm: kfence: fix elapsed time for allocated/freed track
  ocfs2: fix deadlock in ocfs2_get_system_file_inode
  ocfs2: reserve space for inline xattr before attaching reflink tree
  mm: migrate: annotate data-race in migrate_folio_unmap()
  mm/hugetlb: simplify refs in memfd_alloc_folio
  mm/gup: fix memfd_pin_folios alloc race panic
  mm/gup: fix memfd_pin_folios hugetlb page allocation
  mm/hugetlb: fix memfd_pin_folios resv_huge_pages leak
  mm/hugetlb: fix memfd_pin_folios free_huge_pages leak
  mm/filemap: fix filemap_get_folios_contig THP panic
  mm: make SPLIT_PTE_PTLOCKS depend on SMP
  tools: fix shared radix-tree build
2024-09-27 10:27:22 -07:00
Linus Torvalds
3630400697 LoongArch changes for v6.12
1, Fix objtool about do_syscall() and Clang;
 2, Enable generic CPU vulnerabilites support;
 3, Enable ACPI BGRT handling;
 4, Rework CPU feature probe from CPUCFG/IOCSR;
 5, Add ARCH_HAS_SET_MEMORY support;
 6, Add ARCH_HAS_SET_DIRECT_MAP support;
 7, Improve hardware page table walker;
 8, Simplify _percpu_read() and _percpu_write();
 9, Add advanced extended IRQ model documentions;
 10, Some bug fixes and other small changes.
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Merge tag 'loongarch-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch updates from Huacai Chen:

 - Fix objtool about do_syscall() and Clang

 - Enable generic CPU vulnerabilites support

 - Enable ACPI BGRT handling

 - Rework CPU feature probe from CPUCFG/IOCSR

 - Add ARCH_HAS_SET_MEMORY support

 - Add ARCH_HAS_SET_DIRECT_MAP support

 - Improve hardware page table walker

 - Simplify _percpu_read() and _percpu_write()

 - Add advanced extended IRQ model documentions

 - Some bug fixes and other small changes

* tag 'loongarch-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  Docs/LoongArch: Add advanced extended IRQ model description
  LoongArch: Remove posix_types.h include from sigcontext.h
  LoongArch: Fix memleak in pci_acpi_scan_root()
  LoongArch: Simplify _percpu_read() and _percpu_write()
  LoongArch: Improve hardware page table walker
  LoongArch: Add ARCH_HAS_SET_DIRECT_MAP support
  LoongArch: Add ARCH_HAS_SET_MEMORY support
  LoongArch: Rework CPU feature probe from CPUCFG/IOCSR
  LoongArch: Enable ACPI BGRT handling
  LoongArch: Enable generic CPU vulnerabilites support
  LoongArch: Remove STACK_FRAME_NON_STANDARD(do_syscall)
  LoongArch: Set AS_HAS_THIN_ADD_SUB as y if AS_IS_LLVM
  LoongArch: Enable objtool for Clang
  objtool: Handle frame pointer related instructions
2024-09-27 10:14:35 -07:00
zhang jiao
10dbd23633 selftests: netfilter: Add missing return value
There is no return value in count_entries, just add it.

Fixes: eff3c558bb ("netfilter: ctnetlink: support filtering by zone")
Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2024-09-27 13:59:12 +02:00
Phil Sutter
8a89015644 selftests: netfilter: Fix nft_audit.sh for newer nft binaries
As a side-effect of nftables' commit dbff26bfba833 ("cache: consolidate
reset command"), audit logs changed when more objects were reset than
fit into a single netlink message.

Since the objects' distribution in netlink messages is not relevant,
implement a summarizing function which combines repeated audit logs into
a single one with summed up 'entries=' value.

Fixes: 203bb9d398 ("selftests: netfilter: Extend nft_audit.sh")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2024-09-27 13:55:24 +02:00
Tejun Heo
c9c809f413 scx_flatcg: Use a user DSQ for fallback instead of SCX_DSQ_GLOBAL
scx_flatcg was using SCX_DSQ_GLOBAL for fallback handling. However, it is
assuming that SCX_DSQ_GLOBAL isn't automatically consumed, which was true a
while ago but is no longer the case. Also, there are further changes planned
for SCX_DSQ_GLOBAL which will disallow explicit consumption from it. Switch
to a user DSQ for fallback.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Vernet <void@manifault.com>
2024-09-26 12:56:46 -10:00
Muhammad Usama Anjum
f30beffd97 kselftests: mm: fix wrong __NR_userfaultfd value
grep -rnIF "#define __NR_userfaultfd"
tools/include/uapi/asm-generic/unistd.h:681:#define __NR_userfaultfd 282
arch/x86/include/generated/uapi/asm/unistd_32.h:374:#define
__NR_userfaultfd 374
arch/x86/include/generated/uapi/asm/unistd_64.h:327:#define
__NR_userfaultfd 323
arch/x86/include/generated/uapi/asm/unistd_x32.h:282:#define
__NR_userfaultfd (__X32_SYSCALL_BIT + 323)
arch/arm/include/generated/uapi/asm/unistd-eabi.h:347:#define
__NR_userfaultfd (__NR_SYSCALL_BASE + 388)
arch/arm/include/generated/uapi/asm/unistd-oabi.h:359:#define
__NR_userfaultfd (__NR_SYSCALL_BASE + 388)
include/uapi/asm-generic/unistd.h:681:#define __NR_userfaultfd 282

The number is dependent on the architecture. The above data shows that:
x86	374
x86_64	323

The value of __NR_userfaultfd was changed to 282 when asm-generic/unistd.h
was included.  It makes the test to fail every time as the correct number
of this syscall on x86_64 is 323.  Fix the header to asm/unistd.h.

Link: https://lkml.kernel.org/r/20240923053836.3270393-1-usama.anjum@collabora.com
Fixes: a5c6bc5900 ("selftests/mm: remove local __NR_* definitions")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-09-26 14:01:44 -07:00
Lorenzo Stoakes
c234c65340 tools: fix shared radix-tree build
The shared radix-tree build is not correctly recompiling when
lib/maple_tree.c and lib/test_maple_tree.c are modified - fix this by
adding these core components to the SHARED_DEPS list.

Additionally, add missing header guards to shared header files.

Link: https://lkml.kernel.org/r/20240924180724.112169-1-lorenzo.stoakes@oracle.com
Fixes: 74579d8dab ("tools: separate out shared radix-tree components")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Tested-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-09-26 14:01:43 -07:00
Linus Torvalds
62a0e2fa40 Including fixes from netfilter.
Previous releases - regressions:
 
   - netfilter:
     - nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()
     - nf_tables: keep deleted flowtable hooks until after RCU
 
   - tcp: check skb is non-NULL in tcp_rto_delta_us()
 
   - phy: aquantia: fix -ETIMEDOUT PHY probe failure when firmware not present
 
   - eth: virtio_net: fix mismatched buf address when unmapping for small packets
 
   - eth: stmmac: fix zero-division error when disabling tc cbs
 
   - eth: bonding: fix unnecessary warnings and logs from bond_xdp_get_xmit_slave()
 
 Previous releases - always broken:
 
   - netfilter:
     - fix clash resolution for bidirectional flows
     - fix allocation with no memcg accounting
 
   - eth: r8169: add tally counter fields added with RTL8125
 
   - eth: ravb: fix rx and tx frame size limit
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from netfilter.

  It looks like that most people are still traveling: both the ML volume
  and the processing capacity are low.

  Previous releases - regressions:

    - netfilter:
        - nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()
        - nf_tables: keep deleted flowtable hooks until after RCU

    - tcp: check skb is non-NULL in tcp_rto_delta_us()

    - phy: aquantia: fix -ETIMEDOUT PHY probe failure when firmware not
      present

    - eth: virtio_net: fix mismatched buf address when unmapping for
      small packets

    - eth: stmmac: fix zero-division error when disabling tc cbs

    - eth: bonding: fix unnecessary warnings and logs from
      bond_xdp_get_xmit_slave()

  Previous releases - always broken:

    - netfilter:
        - fix clash resolution for bidirectional flows
        - fix allocation with no memcg accounting

    - eth: r8169: add tally counter fields added with RTL8125

    - eth: ravb: fix rx and tx frame size limit"

* tag 'net-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (35 commits)
  selftests: netfilter: Avoid hanging ipvs.sh
  kselftest: add test for nfqueue induced conntrack race
  netfilter: nfnetlink_queue: remove old clash resolution logic
  netfilter: nf_tables: missing objects with no memcg accounting
  netfilter: nf_tables: use rcu chain hook list iterator from netlink dump path
  netfilter: ctnetlink: compile ctnetlink_label_size with CONFIG_NF_CONNTRACK_EVENTS
  netfilter: nf_reject: Fix build warning when CONFIG_BRIDGE_NETFILTER=n
  netfilter: nf_tables: Keep deleted flowtable hooks until after RCU
  docs: tproxy: ignore non-transparent sockets in iptables
  netfilter: ctnetlink: Guard possible unused functions
  selftests: netfilter: nft_tproxy.sh: add tcp tests
  selftests: netfilter: add reverse-clash resolution test case
  netfilter: conntrack: add clash resolution for reverse collisions
  netfilter: nf_nat: don't try nat source port reallocation for reverse dir clash
  selftests/net: packetdrill: increase timing tolerance in debug mode
  usbnet: fix cyclical race on disconnect with work queue
  net: stmmac: set PP_FLAG_DMA_SYNC_DEV only if XDP is enabled
  virtio_net: Fix mismatched buf address when unmapping for small packets
  bonding: Fix unnecessary warnings and logs from bond_xdp_get_xmit_slave()
  r8169: add missing MODULE_FIRMWARE entry for RTL8126A rev.b
  ...
2024-09-26 10:27:10 -07:00
Linus Torvalds
5e5466433d Char/Misc and other driver changes for 6.12-rc1
Here is the "big" set of char/misc and other driver subsystem changes
 for 6.12-rc1.  Sorry for the delay, conference travel for the past two
 weeks has this and my other pull requests showing up real late
 in the cycle.
 
 Lots of changes in here, primarily dominated by the usual IIO driver
 updates and additions, but there are also small driver subsystem updates
 all over the place.  Included in here are:
   - lots and lots of new IIO drivers and updates to existing ones
   - interconnect subsystem updates and new drivers
   - nvmem subsystem updates and new drivers
   - mhi driver updates
   - power supply subsystem updates
   - kobj_type const work for many different small subsystems
   - comedi driver fix
   - coresight subsystem and driver updates
   - fpga subsystem improvements
   - slimbus fixups
   - binder new feature addition for "frozen" notifications
   - lots and lots of other small driver updates and cleanups
 
 All of these have been in linux-next for a long time with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver updates from Greg KH:
 "Here is the "big" set of char/misc and other driver subsystem changes
  for 6.12-rc1.

  Lots of changes in here, primarily dominated by the usual IIO driver
  updates and additions, but there are also small driver subsystem
  updates all over the place. Included in here are:

   - lots and lots of new IIO drivers and updates to existing ones

   - interconnect subsystem updates and new drivers

   - nvmem subsystem updates and new drivers

   - mhi driver updates

   - power supply subsystem updates

   - kobj_type const work for many different small subsystems

   - comedi driver fix

   - coresight subsystem and driver updates

   - fpga subsystem improvements

   - slimbus fixups

   - binder new feature addition for "frozen" notifications

   - lots and lots of other small driver updates and cleanups

  All of these have been in linux-next for a long time with no reported
  problems"

* tag 'char-misc-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (354 commits)
  greybus: gb-beagleplay: Add firmware upload API
  arm64: dts: ti: k3-am625-beagleplay: Add bootloader-backdoor-gpios to cc1352p7
  dt-bindings: net: ti,cc1352p7: Add bootloader-backdoor-gpios
  MAINTAINERS: Update path for U-Boot environment variables YAML
  nvmem: layouts: add U-Boot env layout
  comedi: ni_routing: tools: Check when the file could not be opened
  ocxl: Remove the unused declarations in headr file
  hpet: Fix the wrong format specifier
  uio: Constify struct kobj_type
  cxl: Constify struct kobj_type
  binder: modify the comment for binder_proc_unlock
  iio: adc: axp20x_adc: add support for AXP717 ADC
  dt-bindings: iio: adc: Add AXP717 compatible
  iio: adc: axp20x_adc: Add adc_en1 and adc_en2 to axp_data
  w1: ds2482: Drop explicit initialization of struct i2c_device_id::driver_data to 0
  tools: iio: rm .*.cmd when make clean
  iio: adc: standardize on formatting for id match tables
  iio: proximity: aw96103: Add support for aw96103/aw96105 proximity sensor
  bus: mhi: host: pci_generic: Enable EDL trigger for Foxconn modems
  bus: mhi: host: pci_generic: Update EDL firmware path for Foxconn modems
  ...
2024-09-26 10:13:08 -07:00
Linus Torvalds
4965ddb166 USB/Thunderbolt update for 6.12-rc1
Here is the large set of USB and Thunderbolt changes for 6.12-rc1.
 
 Nothing "major" in here, except for a new 9p network gadget that has
 been worked on for a long time (all of the needed acks are here.)  Other
 than that, it's the usual set of:
   - Thunderbolt / USB4 driver updates and additions for new hardware
   - dwc3 driver updates and new features added
   - xhci driver updates
   - typec driver updates
   - USB gadget updates and api additions to make some gadgets more
     configurable by userspace
   - dwc2 driver updates
   - usb phy driver updates
   - usbip feature additions
   - other minor USB driver updates
 
 All of these have been in linux-next for a long time with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt updates from Greg KH:
 "Here is the large set of USB and Thunderbolt changes for 6.12-rc1.

  Nothing "major" in here, except for a new 9p network gadget that has
  been worked on for a long time (all of the needed acks are here)

  Other than that, it's the usual set of:

   - Thunderbolt / USB4 driver updates and additions for new hardware

   - dwc3 driver updates and new features added

   - xhci driver updates

   - typec driver updates

   - USB gadget updates and api additions to make some gadgets more
     configurable by userspace

   - dwc2 driver updates

   - usb phy driver updates

   - usbip feature additions

   - other minor USB driver updates

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

* tag 'usb-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (145 commits)
  sub: cdns3: Use predefined PCI vendor ID constant
  sub: cdns2: Use predefined PCI vendor ID constant
  USB: misc: yurex: fix race between read and write
  USB: misc: cypress_cy7c63: check for short transfer
  USB: appledisplay: close race between probe and completion handler
  USB: class: CDC-ACM: fix race between get_serial and set_serial
  usb: r8a66597-hcd: make read-only const arrays static
  usb: typec: ucsi: Fix busy loop on ASUS VivoBooks
  usb: dwc3: rtk: Clean up error code in __get_dwc3_maximum_speed()
  usb: storage: ene_ub6250: Fix right shift warnings
  usb: roles: Improve the fix for a false positive recursive locking complaint
  locking/mutex: Introduce mutex_init_with_key()
  locking/mutex: Define mutex_init() once
  net/9p/usbg: fix CONFIG_USB_GADGET dependency
  usb: xhci: fix loss of data on Cadence xHC
  usb: xHCI: add XHCI_RESET_ON_RESUME quirk for Phytium xHCI host
  usb: dwc3: imx8mp: disable SS_CON and U3 wakeup for system sleep
  usb: dwc3: imx8mp: add 2 software managed quirk properties for host mode
  usb: host: xhci-plat: Parse xhci-missing_cas_quirk and apply quirk
  usb: misc: onboard_usb_dev: add Microchip usb5744 SMBus programming support
  ...
2024-09-26 09:45:36 -07:00
Linus Torvalds
5159938e10 Probes updates for v6.12:
- uprobes: make trace_uprobe->nhit counter a per-CPU one
    This makes uprobe event's hit counter per-CPU for improving
    scalability on multi-core environment.
 
 - kprobes: Remove obsoleted declaration for init_test_probes
    Remove unused init_test_probes() from header.
 
 - Raw tracepoint probe supports raw tracepoint events on modules.
    The tracepoint events using fprobe were introduced in v6.5, but
    tracepoints can be compiled in modules. This supports such a case.
    This includes the following improvements.
   . tracepoint: add a function for iterating over all tracepoints in
     all modules.
   . tracepoint: Add a function for iterating over tracepoints in a
     module.
   . tracing/fprobe: Support raw tracepoint events on modules.
   . tracing/fprobe: Support raw tracepoints on future loaded modules.
      This allows user to add tracepoint events on modules which is
      not loaded yet.
   . selftests/tracing: Add a test for tracepoint events on modules.
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Merge tag 'probes-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes updates from Masami Hiramatsu:

 - uprobes: make trace_uprobe->nhit counter a per-CPU one

   This makes uprobe event's hit counter per-CPU for improving
   scalability on multi-core environment

 - kprobes: Remove obsoleted declaration for init_test_probes

   Remove unused init_test_probes() from header

 - Raw tracepoint probe supports raw tracepoint events on modules:
     - add a function for iterating over all tracepoints in all modules
     - add a function for iterating over tracepoints in a module
     - support raw tracepoint events on modules
     - support raw tracepoints on future loaded modules
     - add a test for tracepoint events on modules"

* tag 'probes-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  sefltests/tracing: Add a test for tracepoint events on modules
  tracing/fprobe: Support raw tracepoints on future loaded modules
  tracing/fprobe: Support raw tracepoint events on modules
  tracepoint: Support iterating tracepoints in a loading module
  tracepoint: Support iterating over tracepoints on modules
  kprobes: Remove obsoleted declaration for init_test_probes
  uprobes: turn trace_uprobe's nhit counter to be per-CPU one
2024-09-26 08:55:36 -07:00
Linus Torvalds
0181f8c809 virtio: features, fixes, cleanups
Several new features here:
 
 	virtio-balloon supports new stats
 
 	vdpa supports setting mac address
 
 	vdpa/mlx5 suspend/resume as well as MKEY ops are now faster
 
 	virtio_fs supports new sysfs entries for queue info
 
 	virtio/vsock performance has been improved
 
 Fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:
 "Several new features here:

   - virtio-balloon supports new stats

   - vdpa supports setting mac address

   - vdpa/mlx5 suspend/resume as well as MKEY ops are now faster

   - virtio_fs supports new sysfs entries for queue info

   - virtio/vsock performance has been improved

  And fixes, cleanups all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (34 commits)
  vsock/virtio: avoid queuing packets when intermediate queue is empty
  vsock/virtio: refactor virtio_transport_send_pkt_work
  fw_cfg: Constify struct kobj_type
  vdpa/mlx5: Postpone MR deletion
  vdpa/mlx5: Introduce init/destroy for MR resources
  vdpa/mlx5: Rename mr_mtx -> lock
  vdpa/mlx5: Extract mr members in own resource struct
  vdpa/mlx5: Rename function
  vdpa/mlx5: Delete direct MKEYs in parallel
  vdpa/mlx5: Create direct MKEYs in parallel
  MAINTAINERS: add virtio-vsock driver in the VIRTIO CORE section
  virtio_fs: add sysfs entries for queue information
  virtio_fs: introduce virtio_fs_put_locked helper
  vdpa: Remove unused declarations
  vdpa/mlx5: Parallelize VQ suspend/resume for CVQ MQ command
  vdpa/mlx5: Small improvement for change_num_qps()
  vdpa/mlx5: Keep notifiers during suspend but ignore
  vdpa/mlx5: Parallelize device resume
  vdpa/mlx5: Parallelize device suspend
  vdpa/mlx5: Use async API for vq modify commands
  ...
2024-09-26 08:43:17 -07:00
Paolo Abeni
aef3a58b06 netfilter pull request 24-09-26
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Merge tag 'nf-24-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Pablo Neira Ayuso says:

====================
Netfilter fixes for net

v2: with kdoc fixes per Paolo Abeni.

The following patchset contains Netfilter fixes for net:

Patch #1 and #2 handle an esoteric scenario: Given two tasks sending UDP
packets to one another, two packets of the same flow in each direction
handled by different CPUs that result in two conntrack objects in NEW
state, where reply packet loses race. Then, patch #3 adds a testcase for
this scenario. Series from Florian Westphal.

1) NAT engine can falsely detect a port collision if it happens to pick
   up a reply packet as NEW rather than ESTABLISHED. Add extra code to
   detect this and suppress port reallocation in this case.

2) To complete the clash resolution in the reply direction, extend conntrack
   logic to detect clashing conntrack in the reply direction to existing entry.

3) Adds a test case.

Then, an assorted list of fixes follow:

4) Add a selftest for tproxy, from Antonio Ojea.

5) Guard ctnetlink_*_size() functions under
   #if defined(CONFIG_NETFILTER_NETLINK_GLUE_CT) || defined(CONFIG_NF_CONNTRACK_EVENTS)
   From Andy Shevchenko.

6) Use -m socket --transparent in iptables tproxy documentation.
   From XIE Zhibang.

7) Call kfree_rcu() when releasing flowtable hooks to address race with
   netlink dump path, from Phil Sutter.

8) Fix compilation warning in nf_reject with CONFIG_BRIDGE_NETFILTER=n.
   From Simon Horman.

9) Guard ctnetlink_label_size() under CONFIG_NF_CONNTRACK_EVENTS which
   is its only user, to address a compilation warning. From Simon Horman.

10) Use rcu-protected list iteration over basechain hooks from netlink
    dump path.

11) Fix memcg for nf_tables, use GFP_KERNEL_ACCOUNT is not complete.

12) Remove old nfqueue conntrack clash resolution. Instead trying to
    use same destination address consistently which requires double DNAT,
    use the existing clash resolution which allows clashing packets
    go through with different destination. Antonio Ojea originally
    reported an issue from the postrouting chain, I proposed a fix:
    https://lore.kernel.org/netfilter-devel/ZuwSwAqKgCB2a51-@calendula/T/
    which he reported it did not work for him.

13) Adds a selftest for patch 12.

14) Fixes ipvs.sh selftest.

netfilter pull request 24-09-26

* tag 'nf-24-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  selftests: netfilter: Avoid hanging ipvs.sh
  kselftest: add test for nfqueue induced conntrack race
  netfilter: nfnetlink_queue: remove old clash resolution logic
  netfilter: nf_tables: missing objects with no memcg accounting
  netfilter: nf_tables: use rcu chain hook list iterator from netlink dump path
  netfilter: ctnetlink: compile ctnetlink_label_size with CONFIG_NF_CONNTRACK_EVENTS
  netfilter: nf_reject: Fix build warning when CONFIG_BRIDGE_NETFILTER=n
  netfilter: nf_tables: Keep deleted flowtable hooks until after RCU
  docs: tproxy: ignore non-transparent sockets in iptables
  netfilter: ctnetlink: Guard possible unused functions
  selftests: netfilter: nft_tproxy.sh: add tcp tests
  selftests: netfilter: add reverse-clash resolution test case
  netfilter: conntrack: add clash resolution for reverse collisions
  netfilter: nf_nat: don't try nat source port reallocation for reverse dir clash
====================

Link: https://patch.msgid.link/20240926110717.102194-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-26 15:47:11 +02:00
Phil Sutter
fc786304ad selftests: netfilter: Avoid hanging ipvs.sh
If the client can't reach the server, the latter remains listening
forever. Kill it after 5s of waiting.

Fixes: 867d219079 ("selftests: netfilter: add ipvs test script")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2024-09-26 13:03:03 +02:00
Florian Westphal
e306e3739d kselftest: add test for nfqueue induced conntrack race
The netfilter race happens when two packets with the same tuple are DNATed
and enqueued with nfqueue in the postrouting hook.

Once one of the packet is reinjected it may be DNATed again to a different
destination, but the conntrack entry remains the same and the return packet
was dropped.

Based on earlier patch from Antonio Ojea.

Link: https://bugzilla.netfilter.org/show_bug.cgi?id=1766
Co-developed-by: Antonio Ojea <aojea@google.com>
Signed-off-by: Antonio Ojea <aojea@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2024-09-26 13:03:03 +02:00
Antonio Ojea
7e37e0eacd selftests: netfilter: nft_tproxy.sh: add tcp tests
The TPROXY functionality is widely used, however, there are only mptcp
selftests covering this feature.

The selftests represent the most common scenarios and can also be used
as selfdocumentation of the feature.

UDP and TCP testcases are split in different files because of the
different nature of the protocols, specially due to the challenges that
present to reliable test UDP due to the connectionless nature of the
protocol. UDP only covers the scenarios involving the prerouting hook.

The UDP tests are signfinicantly slower than the TCP ones, hence they
use a larger timeout, it takes 20 seconds to run the full UDP suite
on a 48 vCPU Intel(R) Xeon(R) CPU @2.60GHz.

Signed-off-by: Antonio Ojea <aojea@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2024-09-26 13:03:01 +02:00
Florian Westphal
a57856c0bb selftests: netfilter: add reverse-clash resolution test case
Add test program that is sending UDP packets in both directions
and check that packets arrive without source port modification.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2024-09-26 13:03:01 +02:00
Willem de Bruijn
72ef07554c selftests/net: packetdrill: increase timing tolerance in debug mode
Some packetdrill tests are flaky in debug mode. As discussed, increase
tolerance.

We have been doing this for debug builds outside ksft too.

Previous setting was 10000. A manual 50 runs in virtme-ng showed two
failures that needed 12000. To be on the safe side, Increase to 14000.

Link: https://lore.kernel.org/netdev/Zuhhe4-MQHd3EkfN@mini-arch/
Fixes: 1e42f73fd3 ("selftests/net: packetdrill: import tcp/zerocopy")
Reported-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240919124412.3014326-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-26 11:03:57 +02:00
Tejun Heo
a748db0c8c tools/sched_ext: Receive misc updates from SCX repo
Receive misc tools/sched_ext updates from https://github.com/sched-ext/scx
to sync userspace bits.

- LSP macros to help language servers.

- bpf_cpumask_weight() declaration and cast_mask() helper.

- Cosmetic updates to scx_flatcg.bpf.c.

Signed-off-by: Tejun Heo <tj@kernel.org>
2024-09-25 12:22:37 -10:00
Tejun Heo
1e123fd73d sched_ext: Add __COMPAT helpers for features added during v6.12 devel cycle
cgroup support and scx_bpf_dispatch[_vtime]_from_dsq() are newly added since
8bb30798fd ("sched_ext: Fixes incorrect type in bpf_scx_init()") which is
the current earliest commit targeted by BPF schedulers. Add compat helpers
for them and apply them in the example schedulers.

These will be dropped after a few kernel releases. The exact backward
compatibility window hasn't been decided yet.

Signed-off-by: Tejun Heo <tj@kernel.org>
2024-09-25 11:58:44 -10:00