Since:
7ee18d6779 ("x86/power: Make restore_processor_context() sane")
kmemleak reports this issue:
unreferenced object 0xf68241e0 (size 32):
comm "swapper/0", pid 1, jiffies 4294668610 (age 68.432s)
hex dump (first 32 bytes):
00 cc cc cc 29 10 01 c0 00 00 00 00 00 00 00 00 ....)...........
00 42 82 f6 cc cc cc cc cc cc cc cc cc cc cc cc .B..............
backtrace:
[<461c1d50>] __kmem_cache_alloc_node+0x106/0x260
[<ea65e13b>] __kmalloc+0x54/0x160
[<c3858cd2>] msr_build_context.constprop.0+0x35/0x100
[<46635aff>] pm_check_save_msr+0x63/0x80
[<6b6bb938>] do_one_initcall+0x41/0x1f0
[<3f3add60>] kernel_init_freeable+0x199/0x1e8
[<3b538fde>] kernel_init+0x1a/0x110
[<938ae2b2>] ret_from_fork+0x1c/0x28
Which is a false positive.
Reproducer:
- Run rsync of whole kernel tree (multiple times if needed).
- start a kmemleak scan
- Note this is just an example: a lot of our internal tests hit these.
The root cause is similar to the fix in:
b0b592cf08 x86/pm: Fix false positive kmemleak report in msr_build_context()
ie. the alignment within the packed struct saved_context
which has everything unaligned as there is only "u16 gs;" at start of
struct where in the past there were four u16 there thus aligning
everything afterwards. The issue is with the fact that Kmemleak only
searches for pointers that are aligned (see how pointers are scanned in
kmemleak.c) so when the struct members are not aligned it doesn't see
them.
Testing:
We run a lot of tests with our CI, and after applying this fix we do not
see any kmemleak issues any more whilst without it we see hundreds of
the above report. From a single, simple test run consisting of 416 individual test
cases on kernel 5.10 x86 with kmemleak enabled we got 20 failures due to this,
which is quite a lot. With this fix applied we get zero kmemleak related failures.
Fixes: 7ee18d6779 ("x86/power: Make restore_processor_context() sane")
Signed-off-by: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: stable@vger.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240314142656.17699-1-anton@tuxera.com
crashkernel reservation failed on a Thinkpad t440s laptop recently.
Actually the memblock reservation succeeded, but later insert_resource()
failed.
Test steps:
kexec load -> /* make sure add crashkernel param eg. crashkernel=160M */
kexec reboot ->
dmesg|grep "crashkernel reserved";
crashkernel memory range like below reserved successfully:
0x00000000d0000000 - 0x00000000da000000
But no such "Crash kernel" region in /proc/iomem
The background story:
Currently the E820 code reserves setup_data regions for both the current
kernel and the kexec kernel, and it inserts them into the resources list.
Before the kexec kernel reboots nobody passes the old setup_data, and
kexec only passes fresh SETUP_EFI/SETUP_IMA/SETUP_RNG_SEED if needed.
Thus the old setup data memory is not used at all.
Due to old kernel updates the kexec e820 table as well so kexec kernel
sees them as E820_TYPE_RESERVED_KERN regions, and later the old setup_data
regions are inserted into resources list in the kexec kernel by
e820__reserve_resources().
Note, due to no setup_data is passed in for those old regions they are not
early reserved (by function early_reserve_memory), and the crashkernel
memblock reservation will just treat them as usable memory and it could
reserve the crashkernel region which overlaps with the old setup_data
regions. And just like the bug I noticed here, kdump insert_resource
failed because e820__reserve_resources has added the overlapped chunks
in /proc/iomem already.
Finally, looking at the code, the old setup_data regions are not used
at all as no setup_data is passed in by the kexec boot loader. Although
something like SETUP_PCI etc could be needed, kexec should pass
the info as new setup_data so that kexec kernel can take care of them.
This should be taken care of in other separate patches if needed.
Thus drop the useless buggy code here.
Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Bohac <jbohac@suse.cz>
Cc: Eric DeVolder <eric.devolder@oracle.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/Zf0T3HCG-790K-pZ@darkstar.users.ipa.redhat.com
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Merge tag '6.9-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- Various get_inode_info_fixes
- Fix for querying xattrs of cached dirs
- Four minor cleanup fixes (including adding some header corrections
and a missing flag)
- Performance improvement for deferred close
- Two query interface fixes
* tag '6.9-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
smb311: additional compression flag defined in updated protocol spec
smb311: correct incorrect offset field in compression header
cifs: Move some extern decls from .c files to .h
cifs: remove redundant variable assignment
cifs: fixes for get_inode_info
cifs: open_cached_dir(): add FILE_READ_EA to desired access
cifs: reduce warning log level for server not advertising interfaces
cifs: make sure server interfaces are requested only for SMB3+
cifs: defer close file handles having RH lease
core:
- fix rounding in drm_fixp2int_round()
bridge:
- fix documentation for DRM_BRIDGE_OP_EDID
sun4i:
- fix 64-bit division on 32-bit architectures
tests:
- fix dependency on DRM_KMS_HELPER
probe-helper:
- never return negative values from .get_modes() plus driver fixes
xe:
- invalidate userptr vma on page pin fault
- fail early on sysfs file creation error
- skip VMA pinning on xe_exec if no batches
nouveau:
- clear bo resource bus after eviction
- documentation fixes
- don't check devinit disable on GSP
amdgpu:
- Freesync fixes
- UAF IOCTL fixes
- Fix mmhub client ID mapping
- IH 7.0 fix
- DML2 fixes
- VCN 4.0.6 fix
- GART bind fix
- GPU reset fix
- SR-IOV fix
- OD table handling fixes
- Fix TA handling on boards without display hardware
- DML1 fix
- ABM fix
- eDP panel fix
- DPPCLK fix
- HDCP fix
- Revert incorrect error case handling in ioremap
- VPE fix
- HDMI fixes
- SDMA 4.4.2 fix
- Other misc fixes
amdkfd:
- Fix duplicate BO handling in process restore
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Merge tag 'drm-next-2024-03-22' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Fixes from the last week (or 3 weeks in amdgpu case), after amdgpu,
it's xe and nouveau then a few scattered core fixes.
core:
- fix rounding in drm_fixp2int_round()
bridge:
- fix documentation for DRM_BRIDGE_OP_EDID
sun4i:
- fix 64-bit division on 32-bit architectures
tests:
- fix dependency on DRM_KMS_HELPER
probe-helper:
- never return negative values from .get_modes() plus driver fixes
xe:
- invalidate userptr vma on page pin fault
- fail early on sysfs file creation error
- skip VMA pinning on xe_exec if no batches
nouveau:
- clear bo resource bus after eviction
- documentation fixes
- don't check devinit disable on GSP
amdgpu:
- Freesync fixes
- UAF IOCTL fixes
- Fix mmhub client ID mapping
- IH 7.0 fix
- DML2 fixes
- VCN 4.0.6 fix
- GART bind fix
- GPU reset fix
- SR-IOV fix
- OD table handling fixes
- Fix TA handling on boards without display hardware
- DML1 fix
- ABM fix
- eDP panel fix
- DPPCLK fix
- HDCP fix
- Revert incorrect error case handling in ioremap
- VPE fix
- HDMI fixes
- SDMA 4.4.2 fix
- Other misc fixes
amdkfd:
- Fix duplicate BO handling in process restore"
* tag 'drm-next-2024-03-22' of https://gitlab.freedesktop.org/drm/kernel: (50 commits)
drm/amdgpu/pm: Don't use OD table on Arcturus
drm/amdgpu: drop setting buffer funcs in sdma442
drm/amd/display: Fix noise issue on HDMI AV mute
drm/amd/display: Revert Remove pixle rate limit for subvp
Revert "drm/amdgpu/vpe: don't emit cond exec command under collaborate mode"
Revert "drm/amd/amdgpu: Fix potential ioremap() memory leaks in amdgpu_device_init()"
drm/amd/display: Add a dc_state NULL check in dc_state_release
drm/amd/display: Return the correct HDCP error code
drm/amd/display: Implement wait_for_odm_update_pending_complete
drm/amd/display: Lock all enabled otg pipes even with no planes
drm/amd/display: Amend coasting vtotal for replay low hz
drm/amd/display: Fix idle check for shared firmware state
drm/amd/display: Update odm when ODM combine is changed on an otg master pipe with no plane
drm/amd/display: Init DPPCLK from SMU on dcn32
drm/amd/display: Add monitor patch for specific eDP
drm/amd/display: Allow dirty rects to be sent to dmub when abm is active
drm/amd/display: Override min required DCFCLK in dml1_validate
drm/amdgpu: Bypass display ta if display hw is not available
drm/amdgpu: correct the KGQ fallback message
drm/amdgpu/pm: Check the validity of overdiver power limit
...
- Re-instate the CPUMASK_OFFSTACK option for arm64 when NR_CPUS > 256.
The bug that led to the initial revert was the cpufreq-dt code not
using zalloc_cpumask_var().
- Make the STARFIVE_STARLINK_PMU config option depend on 64BIT to
prevent compile-test failures on 32-bit architectures due to missing
writeq().
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Re-instate the CPUMASK_OFFSTACK option for arm64 when NR_CPUS > 256.
The bug that led to the initial revert was the cpufreq-dt code not
using zalloc_cpumask_var().
- Make the STARFIVE_STARLINK_PMU config option depend on 64BIT to
prevent compile-test failures on 32-bit architectures due to missing
writeq().
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
perf: starfive: fix 64-bit only COMPILE_TEST condition
ARM64: Dynamically allocate cpumasks and increase supported CPUs to 512
Subsytem:
- rtc_class is now const
Drivers:
- ds1511: driver cleanup, set date and time range and alarm offset limit
- max31335: fix interrupt handler
- pcf8523: improve suspend support
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Merge tag 'rtc-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsytem:
- rtc_class is now const
Drivers:
- ds1511: cleanup, set date and time range and alarm offset limit
- max31335: fix interrupt handler
- pcf8523: improve suspend support"
* tag 'rtc-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (28 commits)
MAINTAINER: Include linux-arm-msm for Qualcomm RTC patches
dt-bindings: rtc: zynqmp: Add support for Versal/Versal NET SoCs
rtc: class: make rtc_class constant
dt-bindings: rtc: abx80x: Improve checks on trickle charger constraints
MAINTAINERS: adjust file entry in ARM/Mediatek RTC DRIVER
rtc: nct3018y: fix possible NULL dereference
rtc: max31335: fix interrupt status reg
rtc: mt6397: select IRQ_DOMAIN instead of depending on it
dt-bindings: rtc: abx80x: convert to yaml
rtc: m41t80: Use the unified property API get the wakeup-source property
dt-bindings: at91rm9260-rtt: add sam9x7 compatible
dt-bindings: rtc: convert MT7622 RTC to the json-schema
dt-bindings: rtc: convert MT2717 RTC to the json-schema
rtc: pcf8523: add suspend handlers for alarm IRQ
rtc: ds1511: set alarm offset limit
rtc: ds1511: set range
rtc: ds1511: drop inline/noinline hints
rtc: ds1511: rename pdata
rtc: ds1511: implement ds1511_rtc_read_alarm properly
rtc: ds1511: remove partial alarm support
...
These patches rework how siox device registration works yielding a saner
API. This allows to simplify the gpio bus driver using two new devm
functions.
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Merge tag 'siox/for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull siox updates from Uwe Kleine-König:
"This reworks how siox device registration works yielding a saner API.
This allows us to simplify the gpio bus driver using two new devm
functions"
* tag 'siox/for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
siox: bus-gpio: Simplify using devm_siox_* functions
siox: Provide a devm variant of siox_master_register()
siox: Provide a devm variant of siox_master_alloc()
siox: Don't pass the reference on a master in siox_master_register()
UBI:
- Add Zhihao Cheng as reviewer
- Attach via device tree
- Add NVMEM layer
- Various fastmap related fixes
UBIFS:
- Add Zhihao Cheng as reviewer
- Convert to folios
- Various fixes (memory leaks in error paths, function prototypes)
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Merge tag 'ubifs-for-linus-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI and UBIFS updates from Richard Weinberger:
"UBI:
- Add Zhihao Cheng as reviewer
- Attach via device tree
- Add NVMEM layer
- Various fastmap related fixes
UBIFS:
- Add Zhihao Cheng as reviewer
- Convert to folios
- Various fixes (memory leaks in error paths, function prototypes)"
* tag 'ubifs-for-linus-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: (34 commits)
mtd: ubi: fix NVMEM over UBI volumes on 32-bit systems
mtd: ubi: provide NVMEM layer over UBI volumes
mtd: ubi: populate ubi volume fwnode
mtd: ubi: introduce pre-removal notification for UBI volumes
mtd: ubi: attach from device tree
mtd: ubi: block: use notifier to create ubiblock from parameter
dt-bindings: mtd: ubi-volume: allow UBI volumes to provide NVMEM
dt-bindings: mtd: add basic bindings for UBI
ubifs: Queue up space reservation tasks if retrying many times
ubifs: ubifs_symlink: Fix memleak of inode->i_link in error path
ubifs: dbg_check_idx_size: Fix kmemleak if loading znode failed
ubi: Correct the number of PEBs after a volume resize failure
ubi: fix slab-out-of-bounds in ubi_eba_get_ldesc+0xfb/0x130
ubi: correct the calculation of fastmap size
ubifs: Remove unreachable code in dbg_check_ltab_lnum
ubifs: fix function pointer cast warnings
ubifs: fix sort function prototype
ubi: Check for too small LEB size in VTBL code
MAINTAINERS: Add Zhihao Cheng as UBI/UBIFS reviewer
ubifs: Convert populate_page() to take a folio
...
Current release - regressions:
- rxrpc: fix use of page_frag_alloc_align(), it changed semantics
and we added a new caller in a different subtree
- xfrm: allow UDP encapsulation only in offload modes
Current release - new code bugs:
- tcp: fix refcnt handling in __inet_hash_connect()
- Revert "net: Re-use and set mono_delivery_time bit for userspace tstamp
packets", conflicted with some expectations in BPF uAPI
Previous releases - regressions:
- ipv4: raw: fix sending packets from raw sockets via IPsec tunnels
- devlink: fix devlink's parallel command processing
- veth: do not manipulate GRO when using XDP
- esp: fix bad handling of pages from page_pool
Previous releases - always broken:
- report RCU QS for busy network kthreads (with Paul McK's blessing)
- tcp/rds: fix use-after-free on netns with kernel TCP reqsk
- virt: vmxnet3: fix missing reserved tailroom with XDP
Misc:
- couple of build fixes for Documentation
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN, netfilter, wireguard and IPsec.
I'd like to highlight [ lowlight? - Linus ] Florian W stepping down as
a netfilter maintainer due to constant stream of bug reports. Not sure
what we can do but IIUC this is not the first such case.
Current release - regressions:
- rxrpc: fix use of page_frag_alloc_align(), it changed semantics and
we added a new caller in a different subtree
- xfrm: allow UDP encapsulation only in offload modes
Current release - new code bugs:
- tcp: fix refcnt handling in __inet_hash_connect()
- Revert "net: Re-use and set mono_delivery_time bit for userspace
tstamp packets", conflicted with some expectations in BPF uAPI
Previous releases - regressions:
- ipv4: raw: fix sending packets from raw sockets via IPsec tunnels
- devlink: fix devlink's parallel command processing
- veth: do not manipulate GRO when using XDP
- esp: fix bad handling of pages from page_pool
Previous releases - always broken:
- report RCU QS for busy network kthreads (with Paul McK's blessing)
- tcp/rds: fix use-after-free on netns with kernel TCP reqsk
- virt: vmxnet3: fix missing reserved tailroom with XDP
Misc:
- couple of build fixes for Documentation"
* tag 'net-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (59 commits)
selftests: forwarding: Fix ping failure due to short timeout
MAINTAINERS: step down as netfilter maintainer
netfilter: nf_tables: Fix a memory leak in nf_tables_updchain
net: dsa: mt7530: fix handling of all link-local frames
net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports
bpf: report RCU QS in cpumap kthread
net: report RCU QS on threaded NAPI repolling
rcu: add a helper to report consolidated flavor QS
ionic: update documentation for XDP support
lib/bitmap: Fix bitmap_scatter() and bitmap_gather() kernel doc
netfilter: nf_tables: do not compare internal table flags on updates
netfilter: nft_set_pipapo: release elements in clone only from destroy path
octeontx2-af: Use separate handlers for interrupts
octeontx2-pf: Send UP messages to VF only when VF is up.
octeontx2-pf: Use default max_active works instead of one
octeontx2-pf: Wait till detach_resources msg is complete
octeontx2: Detect the mbox up or down message via register
devlink: fix port new reply cmd type
tcp: Clear req->syncookie in reqsk_alloc().
net/bnx2x: Prevent access to a freed page in page_pool
...
- Generate a list of built DTB files (arch/*/boot/dts/dtbs-list)
- Use more threads when building Debian packages in parallel
- Fix warnings shown during the RPM kernel package uninstallation
- Change OBJECT_FILES_NON_STANDARD_*.o etc. to take a relative path to
Makefile
- Support GCC's -fmin-function-alignment flag
- Fix a null pointer dereference bug in modpost
- Add the DTB support to the RPM package
- Various fixes and cleanups in Kconfig
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Merge tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Generate a list of built DTB files (arch/*/boot/dts/dtbs-list)
- Use more threads when building Debian packages in parallel
- Fix warnings shown during the RPM kernel package uninstallation
- Change OBJECT_FILES_NON_STANDARD_*.o etc. to take a relative path to
Makefile
- Support GCC's -fmin-function-alignment flag
- Fix a null pointer dereference bug in modpost
- Add the DTB support to the RPM package
- Various fixes and cleanups in Kconfig
* tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (67 commits)
kconfig: tests: test dependency after shuffling choices
kconfig: tests: add a test for randconfig with dependent choices
kconfig: tests: support KCONFIG_SEED for the randconfig runner
kbuild: rpm-pkg: add dtb files in kernel rpm
kconfig: remove unneeded menu_is_visible() call in conf_write_defconfig()
kconfig: check prompt for choice while parsing
kconfig: lxdialog: remove unused dialog colors
kconfig: lxdialog: fix button color for blackbg theme
modpost: fix null pointer dereference
kbuild: remove GCC's default -Wpacked-bitfield-compat flag
kbuild: unexport abs_srctree and abs_objtree
kbuild: Move -Wenum-{compare-conditional,enum-conversion} into W=1
kconfig: remove named choice support
kconfig: use linked list in get_symbol_str() to iterate over menus
kconfig: link menus to a symbol
kbuild: fix inconsistent indentation in top Makefile
kbuild: Use -fmin-function-alignment when available
alpha: merge two entries for CONFIG_ALPHA_GAMMA
alpha: merge two entries for CONFIG_ALPHA_EV4
kbuild: change DTC_FLAGS_<basetarget>.o to take the path relative to $(obj)
...
The previous PR includes some regressions in some device attributes exposed to
sysfs. They are fixed now.
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Merge tag 'firewire-fixes-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixes Takashi Sakamoto:
"The previous pull includes some regressions in some device attributes
exposed to sysfs. They are fixed now"
* tag 'firewire-fixes-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: core: add memo about the caller of show functions for device attributes
Revert "firewire: Kill unnecessary buf check in device_attribute.show"
Here is the "big" set of driver core and kernfs changes for 6.9-rc1.
Nothing all that crazy here, just some good updates that include:
- automatic attribute group hiding from Dan Williams (he fixed up my
horrible attempt at doing this.)
- kobject lock contention fixes from Eric Dumazet
- driver core cleanups from Andy
- kernfs rcu work from Tejun
- fw_devlink changes to resolve some reported issues
- other minor changes, all details in the shortlog
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 'driver-core-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core and kernfs changes for 6.9-rc1.
Nothing all that crazy here, just some good updates that include:
- automatic attribute group hiding from Dan Williams (he fixed up my
horrible attempt at doing this.)
- kobject lock contention fixes from Eric Dumazet
- driver core cleanups from Andy
- kernfs rcu work from Tejun
- fw_devlink changes to resolve some reported issues
- other minor changes, all details in the shortlog
All of these have been in linux-next for a long time with no reported
issues"
* tag 'driver-core-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (28 commits)
device: core: Log warning for devices pending deferred probe on timeout
driver: core: Use dev_* instead of pr_* so device metadata is added
driver: core: Log probe failure as error and with device metadata
of: property: fw_devlink: Add support for "post-init-providers" property
driver core: Add FWLINK_FLAG_IGNORE to completely ignore a fwnode link
driver core: Adds flags param to fwnode_link_add()
debugfs: fix wait/cancellation handling during remove
device property: Don't use "proxy" headers
device property: Move enum dev_dma_attr to fwnode.h
driver core: Move fw_devlink stuff to where it belongs
driver core: Drop unneeded 'extern' keyword in fwnode.h
firmware_loader: Suppress warning on FW_OPT_NO_WARN flag
sysfs:Addresses documentation in sysfs_merge_group and sysfs_unmerge_group.
firmware_loader: introduce __free() cleanup hanler
platform-msi: Remove usage of the deprecated ida_simple_xx() API
sysfs: Introduce DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE()
sysfs: Document new "group visible" helpers
sysfs: Fix crash on empty group attributes array
sysfs: Introduce a mechanism to hide static attribute_groups
sysfs: Introduce a mechanism to hide static attribute_groups
...
Here is the big set of char/misc and a number of other driver subsystem
updates for 6.9-rc1. Included in here are:
- IIO driver updates, loads of new ones and evolution of existing ones
- coresight driver updates
- const cleanups for many driver subsystems
- speakup driver additions
- platform remove callback void cleanups
- mei driver updates
- mhi driver updates
- cdx driver updates for MSI interrupt handling
- nvmem driver updates
- other smaller driver updates and cleanups, full details in the
shortlog
All of these have been in linux-next for a long time with no reported
issue, other than a build warning with some older versions of gcc for a
speakup driver, fix for that will come in a few days when I catch up
with my pending patch queues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver subsystem updates from Greg KH:
"Here is the big set of char/misc and a number of other driver
subsystem updates for 6.9-rc1. Included in here are:
- IIO driver updates, loads of new ones and evolution of existing ones
- coresight driver updates
- const cleanups for many driver subsystems
- speakup driver additions
- platform remove callback void cleanups
- mei driver updates
- mhi driver updates
- cdx driver updates for MSI interrupt handling
- nvmem driver updates
- other smaller driver updates and cleanups, full details in the
shortlog
All of these have been in linux-next for a long time with no reported
issue, other than a build warning for the speakup driver"
The build warning hits clang and is a gcc (and C23) extension, and is
fixed up in the merge.
Link: https://lore.kernel.org/all/20240321134831.GA2762840@dev-arch.thelio-3990X/
* tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (279 commits)
binder: remove redundant variable page_addr
uio_dmem_genirq: UIO_MEM_DMA_COHERENT conversion
uio_pruss: UIO_MEM_DMA_COHERENT conversion
cnic,bnx2,bnx2x: use UIO_MEM_DMA_COHERENT
uio: introduce UIO_MEM_DMA_COHERENT type
cdx: add MSI support for CDX bus
pps: use cflags-y instead of EXTRA_CFLAGS
speakup: Add /dev/synthu device
speakup: Fix 8bit characters from direct synth
parport: sunbpp: Convert to platform remove callback returning void
parport: amiga: Convert to platform remove callback returning void
char: xillybus: Convert to platform remove callback returning void
vmw_balloon: change maintainership
MAINTAINERS: change the maintainer for hpilo driver
char: xilinx_hwicap: Fix NULL vs IS_ERR() bug
hpet: remove hpets::hp_clocksource
platform: goldfish: move the separate 'default' propery for CONFIG_GOLDFISH
char: xilinx_hwicap: drop casting to void in dev_set_drvdata
greybus: move is_gb_* functions out of greybus.h
greybus: Remove usage of the deprecated ida_simple_xx() API
...
Here is the big set of Staging driver cleanups for 6.9-rc1. Nothing
major in here, lots of small coding style cleanups for most drivers, and
the removal of some obsolete hardare (the emxx_udc and some
drivers/staging/board/ files).
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 'staging-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big set of Staging driver cleanups for 6.9-rc1. Nothing
major in here, lots of small coding style cleanups for most drivers,
and the removal of some obsolete hardare (the emxx_udc and some
drivers/staging/board/ files).
All of these have been in linux-next for a long time with no reported
issues"
* tag 'staging-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (122 commits)
staging: greybus: Replaces directive __attribute__((packed)) by __packed as suggested by checkpatch
staging: greybus: Replace __attribute__((packed)) by __packed in various instances
Staging: rtl8192e: Rename function GetHalfNmodeSupportByAPsHandler()
Staging: rtl8192e: Rename function rtllib_FlushRxTsPendingPkts()
Staging: rtl8192e: Rename goto OnADDBARsp_Reject
Staging: rtl8192e: Rename goto OnADDBAReq_Fail
Staging: rtl8192e: Rename function rtllib_send_ADDBARsp()
Staging: rtl8192e: Rename function rtllib_send_ADDBAReq()
Staging: rtl8192e: Rename variable TxRxSelect
Staging: rtl8192e: Fix 5 chckpatch alignment warnings in rtl819x_BAProc.c
Staging: rtl8192e: Rename function MgntQuery_MgntFrameTxRate
Staging: rtl8192e: Rename boolean variable bHalfWirelessN24GMode
Staging: rtl8192e: Rename reference AllowAllDestAddrHandler
Staging: rtl8192e: Rename varoable asSta
Staging: rtl8192e: Rename varoable osCcxVerNum
Staging: rtl8192e: Rename variable CcxAironetBuf
Staging: rtl8192e: Rename variable osCcxAironetIE
Staging: rtl8192e: Rename variable AironetIeOui
Staging: rtl8192e: Rename variable asRsn
Staging: rtl8192e: Rename variable CcxVerNumBuf
...
Here is the big set of TTY/Serial driver updates and cleanups for
6.9-rc1. Included in here are:
- more tty cleanups from Jiri
- loads of 8250 driver cleanups from Andy
- max310x driver updates
- samsung serial driver updates
- uart_prepare_sysrq_char() updates for many drivers
- platform driver remove callback void cleanups
- stm32 driver updates
- other small tty/serial 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 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial driver updates from Greg KH:
"Here is the big set of TTY/Serial driver updates and cleanups for
6.9-rc1. Included in here are:
- more tty cleanups from Jiri
- loads of 8250 driver cleanups from Andy
- max310x driver updates
- samsung serial driver updates
- uart_prepare_sysrq_char() updates for many drivers
- platform driver remove callback void cleanups
- stm32 driver updates
- other small tty/serial driver updates
All of these have been in linux-next for a long time with no reported
issues"
* tag 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (199 commits)
dt-bindings: serial: stm32: add power-domains property
serial: 8250_dw: Replace ACPI device check by a quirk
serial: Lock console when calling into driver before registration
serial: 8250_uniphier: Switch to use uart_read_port_properties()
serial: 8250_tegra: Switch to use uart_read_port_properties()
serial: 8250_pxa: Switch to use uart_read_port_properties()
serial: 8250_omap: Switch to use uart_read_port_properties()
serial: 8250_of: Switch to use uart_read_port_properties()
serial: 8250_lpc18xx: Switch to use uart_read_port_properties()
serial: 8250_ingenic: Switch to use uart_read_port_properties()
serial: 8250_dw: Switch to use uart_read_port_properties()
serial: 8250_bcm7271: Switch to use uart_read_port_properties()
serial: 8250_bcm2835aux: Switch to use uart_read_port_properties()
serial: 8250_aspeed_vuart: Switch to use uart_read_port_properties()
serial: port: Introduce a common helper to read properties
serial: core: Add UPIO_UNKNOWN constant for unknown port type
serial: core: Move struct uart_port::quirks closer to possible values
serial: sh-sci: Call sci_serial_{in,out}() directly
serial: core: only stop transmit when HW fifo is empty
serial: pch: Use uart_prepare_sysrq_char().
...
Here is the big set of USB and Thunderbolt changes for 6.9-rc1. Lots of
tiny changes and forward progress to support new hardware and better
support for existing devices. Included in here are:
- Thunderbolt (i.e. USB4) updates for newer hardware and uses as more
people start to use the hardware
- default USB authentication mode Kconfig and documentation update to
make it more obvious what is going on
- USB typec updates and enhancements
- usual dwc3 driver updates
- usual xhci driver updates
- function USB (i.e. gadget) driver updates and additions
- new device ids for lots of drivers
- loads of other small updates, full details in the shortlog
All of these, including a "last minute regression fix" have been in
linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 6.9-rc1. Lots
of tiny changes and forward progress to support new hardware and
better support for existing devices. Included in here are:
- Thunderbolt (i.e. USB4) updates for newer hardware and uses as more
people start to use the hardware
- default USB authentication mode Kconfig and documentation update to
make it more obvious what is going on
- USB typec updates and enhancements
- usual dwc3 driver updates
- usual xhci driver updates
- function USB (i.e. gadget) driver updates and additions
- new device ids for lots of drivers
- loads of other small updates, full details in the shortlog
All of these, including a "last minute regression fix" have been in
linux-next with no reported issues"
* tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (185 commits)
usb: usb-acpi: Fix oops due to freeing uninitialized pld pointer
usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin
usb: gadget: tegra-xudc: Fix USB3 PHY retrieval logic
phy: tegra: xusb: Add API to retrieve the port number of phy
USB: gadget: pxa27x_udc: Remove unused of_gpio.h
usb: gadget/snps_udc_plat: Remove unused of_gpio.h
usb: ohci-pxa27x: Remove unused of_gpio.h
usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined
usb: Clarify expected behavior of dev_bin_attrs_are_visible()
xhci: Allow RPM on the USB controller (1022:43f7) by default
usb: isp1760: remove SLAB_MEM_SPREAD flag usage
usb: misc: onboard_hub: use pointer consistently in the probe function
usb: gadget: fsl: Increase size of name buffer for endpoints
usb: gadget: fsl: Add of device table to enable module autoloading
usb: typec: tcpm: add support to set tcpc connector orientatition
usb: typec: tcpci: add generic tcpci fallback compatible
dt-bindings: usb: typec-tcpci: add tcpci fallback binding
usb: gadget: fsl-udc: Replace custom log wrappers by dev_{err,warn,dbg,vdbg}
usb: core: Set connect_type of ports based on DT node
dt-bindings: usb: Add downstream facing ports to realtek binding
...
Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
CC: Helge Deller <deller@gmx.de>
CC: linux-omap@vger.kernel.org
CC: linux-fbdev@vger.kernel.org
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This provides some code cleanup for the OMAP hwspinlock driver.
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Merge tag 'hwlock-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull hwspinlock updates from Bjorn Andersson:
"Some code cleanup for the OMAP hwspinlock driver"
* tag 'hwlock-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
hwspinlock: omap: Use index to get hwspinlock pointer
hwspinlock: omap: Use devm_hwspin_lock_register() helper
hwspinlock: omap: Use devm_pm_runtime_enable() helper
hwspinlock: omap: Remove unneeded check for OF node
We can simply use invalidate_rkey to check instead of adding a flag.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This transitions rpmsg_ctrl and rpmsg_char drivers away from the
deprecated ida_simple_*() API. It also makes the rpmsg_bus const.
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Merge tag 'rpmsg-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
"This transitions rpmsg_ctrl and rpmsg_char drivers away from the
deprecated ida_simple_*() API. It also makes the rpmsg_bus const"
* tag 'rpmsg-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: core: Make rpmsg_bus const
rpmsg: Remove usage of the deprecated ida_simple_xx() API
Qualcomm SM8650 audio, compute and modem remoteproc are added. Qualcomm
X1 Elite audio and compute remoteprocs are added, after support for
shutting down the bootloader-loaded firmware loaded into the audio DSP..
A dozen drivers in the subsystem are transitioned to use devres helpers
for remoteproc and memory allocations.
It makes it possible to acquire in-kernel handle to individual
remoteproc instances in a cluster.
The release of DMA memory for remoteproc virtio is corrected to ensure
that restarting due to a watchdog bite doesn't attempt to allocate the
memory again without first freeing it.
Last, but not least, a couple of DeviceTree binding cleanups.
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Merge tag 'rproc-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"Qualcomm SM8650 audio, compute and modem remoteproc are added.
Qualcomm X1 Elite audio and compute remoteprocs are added, after
support for shutting down the bootloader-loaded firmware loaded into
the audio DSP..
A dozen drivers in the subsystem are transitioned to use devres
helpers for remoteproc and memory allocations - this makes it possible
to acquire in-kernel handle to individual remoteproc instances in a
cluster.
The release of DMA memory for remoteproc virtio is corrected to ensure
that restarting due to a watchdog bite doesn't attempt to allocate the
memory again without first freeing it.
Last, but not least, a couple of DeviceTree binding cleanups"
* tag 'rproc-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (30 commits)
remoteproc: qcom_q6v5_pas: Unload lite firmware on ADSP
remoteproc: qcom_q6v5_pas: Add support for X1E80100 ADSP/CDSP
dt-bindings: remoteproc: qcom,sm8550-pas: document the X1E80100 aDSP & cDSP
remoteproc: qcom_wcnss: Use devm_rproc_alloc() helper
remoteproc: qcom_q6v5_wcss: Use devm_rproc_alloc() helper
remoteproc: qcom_q6v5_pas: Use devm_rproc_alloc() helper
remoteproc: qcom_q6v5_mss: Use devm_rproc_alloc() helper
remoteproc: qcom_q6v5_adsp: Use devm_rproc_alloc() helper
dt-bindings: remoteproc: do not override firmware-name $ref
dt-bindings: remoteproc: qcom,glink-rpm-edge: drop redundant type from label
remoteproc: qcom: pas: correct data indentation
remoteproc: Make rproc_get_by_phandle() work for clusters
remoteproc: qcom: pas: Add SM8650 remoteproc support
remoteproc: qcom: pas: make region assign more generic
dt-bindings: remoteproc: qcom,sm8550-pas: document the SM8650 PAS
remoteproc: k3-dsp: Use devm_rproc_add() helper
remoteproc: k3-dsp: Use devm_ioremap_wc() helper
remoteproc: k3-dsp: Add devm action to release tsp
remoteproc: k3-dsp: Use devm_kzalloc() helper
remoteproc: k3-dsp: Use devm_ti_sci_get_by_phandle() helper
...
It is possible to set up dm-integrity with smaller sector size than
the logical sector size of the underlying device. In this situation,
dm-integrity guarantees that the outgoing bios have the same alignment as
incoming bios (so, if you create a filesystem with 4k block size,
dm-integrity would send 4k-aligned bios to the underlying device).
This guarantee was broken when integrity_recheck was implemented.
integrity_recheck sends bio that is aligned to ic->sectors_per_block. So
if we set up integrity with 512-byte sector size on a device with logical
block size 4k, we would be sending unaligned bio. This triggered a bug in
one of our internal tests.
This commit fixes it by determining the actual alignment of the
incoming bio and then makes sure that the outgoing bio in
integrity_recheck has the same alignment.
Fixes: c88f5e553f ("dm-integrity: recheck the integrity tag after a failure")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
- sh: hd64461: Make setup_hd64461() static
- sh: intc: Make intc_subsys const
- sh: dma-sysfs: Make dma_subsys const
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Merge tag 'sh-for-v6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from John Paul Adrian Glaubitz:
"Two patches by Ricardo B. Marliere make two instances of struct
bus_type in the interrupt controller driver and the DMA sysfs
interface const since the driver core in the kernel is now able to
handle that.
A third patch by Artur Rojek enforces internal linkage for the
function setup_hd64461() in order to fix the build of hp6xx_defconfig
with -Werror=missing-prototypes"
* tag 'sh-for-v6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: hd64461: Make setup_hd64461() static
sh: intc: Make intc_subsys const
sh: dma-sysfs: Make dma_subsys const
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Merge tag 'hyperv-next-signed-20240320' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Use Hyper-V entropy to seed guest random number generator (Michael
Kelley)
- Convert to platform remove callback returning void for vmbus (Uwe
Kleine-König)
- Introduce hv_get_hypervisor_version function (Nuno Das Neves)
- Rename some HV_REGISTER_* defines for consistency (Nuno Das Neves)
- Change prefix of generic HV_REGISTER_* MSRs to HV_MSR_* (Nuno Das
Neves)
- Cosmetic changes for hv_spinlock.c (Purna Pavan Chandra Aekkaladevi)
- Use per cpu initial stack for vtl context (Saurabh Sengar)
* tag 'hyperv-next-signed-20240320' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
x86/hyperv: Use Hyper-V entropy to seed guest random number generator
x86/hyperv: Cosmetic changes for hv_spinlock.c
hyperv-tlfs: Rename some HV_REGISTER_* defines for consistency
hv: vmbus: Convert to platform remove callback returning void
mshyperv: Introduce hv_get_hypervisor_version function
x86/hyperv: Use per cpu initial stack for vtl context
hyperv-tlfs: Change prefix of generic HV_REGISTER_* MSRs to HV_MSR_*
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Merge tag 'for-6.9-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"Fix a problem found in 6.7 after adding the temp-fsid feature which
changed device tracking in memory and broke grub-probe. This is used
on initrd-less systems. There were several iterations of the fix and
it took longer than expected"
* tag 'for-6.9-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: do not skip re-registration for the mounted device
- Improve dirsync performance by syncing on a dentry-set rather than
on a per-directory entry
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Merge tag 'exfat-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Improve dirsync performance by syncing on a dentry-set rather than on
a per-directory entry
* tag 'exfat-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: remove duplicate update parent dir
exfat: do not sync parent dir if just update timestamp
exfat: remove unused functions
exfat: convert exfat_find_empty_entry() to use dentry cache
exfat: convert exfat_init_ext_entry() to use dentry cache
exfat: move free cluster out of exfat_init_ext_entry()
exfat: convert exfat_remove_entries() to use dentry cache
exfat: convert exfat_add_entry() to use dentry cache
exfat: add exfat_get_empty_dentry_set() helper
exfat: add __exfat_get_dentry_set() helper
Hi Linus,
Please pull a couple random cleanups for 6.9 plus a step-down
patch from Andy.
Thanks,
Yury
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Merge tag 'bitmap-for-6.9' of https://github.com/norov/linux
Pull bitmap updates from Yury Norov:
"A couple of random cleanups plus a step-down patch from Andy"
* tag 'bitmap-for-6.9' of https://github.com/norov/linux:
bitmap: Step down as a reviewer
lib/find: optimize find_*_bit_wrap
lib/find_bit: Fix the code comments about find_next_bit_wrap
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Merge tag 'nf-24-03-21' 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. There is a
larger batch of fixes still pending that will follow up asap, this is
what I deemed to be more urgent at this time:
1) Use clone view in pipapo set backend to release elements from destroy
path, otherwise it is possible to destroy elements twice.
2) Incorrect check for internal table flags lead to bogus transaction
objects.
3) Fix counters memleak in netdev basechain update error path,
from Quan Tian.
netfilter pull request 24-03-21
* tag 'nf-24-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: Fix a memory leak in nf_tables_updchain
netfilter: nf_tables: do not compare internal table flags on updates
netfilter: nft_set_pipapo: release elements in clone only from destroy path
====================
Link: https://lore.kernel.org/r/20240321112117.36737-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A bunch of fixes that came in during the merge window, probably the most
substantial thing is the DPCM locking fix for compressed audio which has
been lurking for a while.
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Merge tag 'asoc-fix-v6.9-merge-window' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.9
A bunch of fixes that came in during the merge window, probably the most
substantial thing is the DPCM locking fix for compressed audio which has
been lurking for a while.
In the case of firewire core function, the caller of show functions for
device attributes is not only sysfs user, but also device initialization.
This commit adds memo about it against the typical assumption that the
functions are just dedicated to sysfs user.
Link: https://lore.kernel.org/lkml/20240318091759.678326-1-o-takashi@sakamocchi.jp/
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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Merge tag 'linux-can-fixes-for-6.9-20240319' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2024-03-20
this is a pull request of 1 patch for net/master.
Martin Jocić contributes a fix for the kvaser_pciefd driver, so that
up to 8 channels on the Xilinx-based adapters can be used. This issue
has been introduced in net-next for v6.9.
linux-can-fixes-for-6.9-20240319
* tag 'linux-can-fixes-for-6.9-20240319' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: kvaser_pciefd: Add additional Xilinx interrupts
====================
Link: https://lore.kernel.org/r/20240320112144.582741-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The tests send 100 pings in 0.1 second intervals and force a timeout of
11 seconds, which is borderline (especially on debug kernels), resulting
in random failures in netdev CI [1].
Fix by increasing the timeout to 20 seconds. It should not prolong the
test unless something is wrong, in which case the test will rightfully
fail.
[1]
# selftests: net/forwarding: vxlan_bridge_1d_port_8472_ipv6.sh
# INFO: Running tests with UDP port 8472
# TEST: ping: local->local [ OK ]
# TEST: ping: local->remote 1 [FAIL]
# Ping failed
[...]
Fixes: b07e9957f2 ("selftests: forwarding: Add VxLAN tests with a VLAN-unaware bridge for IPv6")
Fixes: 728b35259e ("selftests: forwarding: Add VxLAN tests with a VLAN-aware bridge for IPv6")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Closes: https://lore.kernel.org/netdev/24a7051fdcd1f156c3704bca39e4b3c41dfc7c4b.camel@redhat.com/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240320065717.4145325-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The TX buffer in spi_transfer can be a NULL pointer, so the interrupt
handler may end up writing to the invalid memory and cause crashes.
Add a check to trans->tx_buf before using it.
Fixes: 1ce24864bf ("spi: mediatek: Only do dma for 4-byte aligned buffers")
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://msgid.link/r/20240321070942.1587146-2-fshao@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
I do not feel that I'm up to the task anymore.
I hope this to be a temporary emergeny measure, but for now I'm sure this
is the best course of action for me.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240319121223.24474-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Enforce internal linkage for setup_hd64461().
This fixes the following error:
arch/sh/cchips/hd6446x/hd64461.c:75:12: error: no previous prototype for 'setup_hd64461' [-Werror=missing-prototypes]
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20240211193451.106795-1-contact@artur-rojek.eu
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
If nft_netdev_register_hooks() fails, the memory associated with
nft_stats is not freed, causing a memory leak.
This patch fixes it by moving nft_stats_alloc() down after
nft_netdev_register_hooks() succeeds.
Fixes: b9703ed44f ("netfilter: nf_tables: support for adding new devices to an existing netdev chain")
Signed-off-by: Quan Tian <tianquan23@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
says:
====================
MT7530 DSA subdriver fix VLAN egress and handling of all link-local frames
This patch series fixes the VLAN tag egress procedure for link-local
frames, and fixes handling of all link-local frames.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
====================
Link: https://lore.kernel.org/r/20240314-b4-for-net-mt7530-fix-link-local-vlan-v2-0-7dbcf6429ba0@arinc9.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Currently, the MT753X switches treat frames with :01-0D and :0F MAC DAs as
regular multicast frames, therefore flooding them to user ports.
On page 205, section "8.6.3 Frame filtering" of the active standard, IEEE
Std 802.1Q™-2022, it is stated that frames with 01:80:C2:00:00:00-0F as MAC
DA must only be propagated to C-VLAN and MAC Bridge components. That means
VLAN-aware and VLAN-unaware bridges. On the switch designs with CPU ports,
these frames are supposed to be processed by the CPU (software). So we make
the switch only forward them to the CPU port. And if received from a CPU
port, forward to a single port. The software is responsible of making the
switch conform to the latter by setting a single port as destination port
on the special tag.
This switch intellectual property cannot conform to this part of the
standard fully. Whilst the REV_UN frame tag covers the remaining :04-0D and
:0F MAC DAs, it also includes :22-FF which the scope of propagation is not
supposed to be restricted for these MAC DAs.
Set frames with :01-03 MAC DAs to be trapped to the CPU port(s). Add a
comment for the remaining MAC DAs.
Note that the ingress port must have a PVID assigned to it for the switch
to forward untagged frames. A PVID is set by default on VLAN-aware and
VLAN-unaware ports. However, when the network interface that pertains to
the ingress port is attached to a vlan_filtering enabled bridge, the user
can remove the PVID assignment from it which would prevent the link-local
frames from being trapped to the CPU port. I am yet to see a way to forward
link-local frames while preventing other untagged frames from being
forwarded too.
Fixes: b8f126a8d5 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Whether VLAN-aware or not, on every VID VLAN table entry that has the CPU
port as a member of it, frames are set to egress the CPU port with the VLAN
tag stacked. This is so that VLAN tags can be appended after hardware
special tag (called DSA tag in the context of Linux drivers).
For user ports on a VLAN-unaware bridge, frame ingressing the user port
egresses CPU port with only the special tag.
For user ports on a VLAN-aware bridge, frame ingressing the user port
egresses CPU port with the special tag and the VLAN tag.
This causes issues with link-local frames, specifically BPDUs, because the
software expects to receive them VLAN-untagged.
There are two options to make link-local frames egress untagged. Setting
CONSISTENT or UNTAGGED on the EG_TAG bits on the relevant register.
CONSISTENT means frames egress exactly as they ingress. That means
egressing with the VLAN tag they had at ingress or egressing untagged if
they ingressed untagged. Although link-local frames are not supposed to be
transmitted VLAN-tagged, if they are done so, when egressing through a CPU
port, the special tag field will be broken.
BPDU egresses CPU port with VLAN tag egressing stacked, received on
software:
00:01:25.104821 AF Unknown (382365846), length 106:
| STAG | | VLAN |
0x0000: 0000 6c27 614d 4143 0001 0000 8100 0001 ..l'aMAC........
0x0010: 0026 4242 0300 0000 0000 0000 6c27 614d .&BB........l'aM
0x0020: 4143 0000 0000 0000 6c27 614d 4143 0000 AC......l'aMAC..
0x0030: 0000 1400 0200 0f00 0000 0000 0000 0000 ................
BPDU egresses CPU port with VLAN tag egressing untagged, received on
software:
00:23:56.628708 AF Unknown (25215488), length 64:
| STAG |
0x0000: 0000 6c27 614d 4143 0001 0000 0026 4242 ..l'aMAC.....&BB
0x0010: 0300 0000 0000 0000 6c27 614d 4143 0000 ........l'aMAC..
0x0020: 0000 0000 6c27 614d 4143 0000 0000 1400 ....l'aMAC......
0x0030: 0200 0f00 0000 0000 0000 0000 ............
BPDU egresses CPU port with VLAN tag egressing tagged, received on
software:
00:01:34.311963 AF Unknown (25215488), length 64:
| Mess |
0x0000: 0000 6c27 614d 4143 0001 0001 0026 4242 ..l'aMAC.....&BB
0x0010: 0300 0000 0000 0000 6c27 614d 4143 0000 ........l'aMAC..
0x0020: 0000 0000 6c27 614d 4143 0000 0000 1400 ....l'aMAC......
0x0030: 0200 0f00 0000 0000 0000 0000 ............
To prevent confusing the software, force the frame to egress UNTAGGED
instead of CONSISTENT. This way, frames can't possibly be received TAGGED
by software which would have the special tag field broken.
VLAN Tag Egress Procedure
For all frames, one of these options set the earliest in this order will
apply to the frame:
- EG_TAG in certain registers for certain frames.
This will apply to frame with matching MAC DA or EtherType.
- EG_TAG in the address table.
This will apply to frame at its incoming port.
- EG_TAG in the PVC register.
This will apply to frame at its incoming port.
- EG_CON and [EG_TAG per port] in the VLAN table.
This will apply to frame at its outgoing port.
- EG_TAG in the PCR register.
This will apply to frame at its outgoing port.
EG_TAG in certain registers for certain frames:
PPPoE Discovery_ARP/RARP: PPP_EG_TAG and ARP_EG_TAG in the APC register.
IGMP_MLD: IGMP_EG_TAG and MLD_EG_TAG in the IMC register.
BPDU and PAE: BPDU_EG_TAG and PAE_EG_TAG in the BPC register.
REV_01 and REV_02: R01_EG_TAG and R02_EG_TAG in the RGAC1 register.
REV_03 and REV_0E: R03_EG_TAG and R0E_EG_TAG in the RGAC2 register.
REV_10 and REV_20: R10_EG_TAG and R20_EG_TAG in the RGAC3 register.
REV_21 and REV_UN: R21_EG_TAG and RUN_EG_TAG in the RGAC4 register.
With this change, it can be observed that a bridge interface with stp_state
and vlan_filtering enabled will properly block ports now.
Fixes: b8f126a8d5 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Kconfig emits a warning for the following command:
$ make ARCH=x86_64 tinyconfig
...
.config:1380:warning: override: UNWINDER_GUESS changes choice state
When X86_64=y, the unwinder is exclusively selected from the following
three options:
- UNWINDER_ORC
- UNWINDER_FRAME_POINTER
- UNWINDER_GUESS
However, arch/x86/configs/tiny.config only specifies the values of the
last two. UNWINDER_ORC must be explicitly disabled.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240320154313.612342-1-masahiroy@kernel.org
Yan Zhai says:
====================
Report RCU QS for busy network kthreads
This changeset fixes a common problem for busy networking kthreads.
These threads, e.g. NAPI threads, typically will do:
* polling a batch of packets
* if there are more work, call cond_resched() to allow scheduling
* continue to poll more packets when rx queue is not empty
We observed this being a problem in production, since it can block RCU
tasks from making progress under heavy load. Investigation indicates
that just calling cond_resched() is insufficient for RCU tasks to reach
quiescent states. This also has the side effect of frequently clearing
the TIF_NEED_RESCHED flag on voluntary preempt kernels. As a result,
schedule() will not be called in these circumstances, despite schedule()
in fact provides required quiescent states. This at least affects NAPI
threads, napi_busy_loop, and also cpumap kthread.
By reporting RCU QSes in these kthreads periodically before cond_resched, the
blocked RCU waiters can correctly progress. Instead of just reporting QS for
RCU tasks, these code share the same concern as noted in the commit
d28139c4e9 ("rcu: Apply RCU-bh QSes to RCU-sched and RCU-preempt when safe").
So report a consolidated QS for safety.
It is worth noting that, although this problem is reproducible in
napi_busy_loop, it only shows up when setting the polling interval to as high
as 2ms, which is far larger than recommended 50us-100us in the documentation.
So napi_busy_loop is left untouched.
Lastly, this does not affect RT kernels, which does not enter the scheduler
through cond_resched(). Without the mentioned side effect, schedule() will
be called time by time, and clear the RCU task holdouts.
V4: https://lore.kernel.org/bpf/cover.1710525524.git.yan@cloudflare.com/
V3: https://lore.kernel.org/lkml/20240314145459.7b3aedf1@kernel.org/t/
V2: https://lore.kernel.org/bpf/ZeFPz4D121TgvCje@debian.debian/
V1: https://lore.kernel.org/lkml/Zd4DXTyCf17lcTfq@debian.debian/#t
====================
Link: https://lore.kernel.org/r/cover.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When there are heavy load, cpumap kernel threads can be busy polling
packets from redirect queues and block out RCU tasks from reaching
quiescent states. It is insufficient to just call cond_resched() in such
context. Periodically raise a consolidated RCU QS before cond_resched
fixes the problem.
Fixes: 6710e11269 ("bpf: introduce new bpf cpu map type BPF_MAP_TYPE_CPUMAP")
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/c17b9f1517e19d813da3ede5ed33ee18496bb5d8.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
NAPI threads can keep polling packets under load. Currently it is only
calling cond_resched() before repolling, but it is not sufficient to
clear out the holdout of RCU tasks, which prevent BPF tracing programs
from detaching for long period. This can be reproduced easily with
following set up:
ip netns add test1
ip netns add test2
ip -n test1 link add veth1 type veth peer name veth2 netns test2
ip -n test1 link set veth1 up
ip -n test1 link set lo up
ip -n test2 link set veth2 up
ip -n test2 link set lo up
ip -n test1 addr add 192.168.1.2/31 dev veth1
ip -n test1 addr add 1.1.1.1/32 dev lo
ip -n test2 addr add 192.168.1.3/31 dev veth2
ip -n test2 addr add 2.2.2.2/31 dev lo
ip -n test1 route add default via 192.168.1.3
ip -n test2 route add default via 192.168.1.2
for i in `seq 10 210`; do
for j in `seq 10 210`; do
ip netns exec test2 iptables -I INPUT -s 3.3.$i.$j -p udp --dport 5201
done
done
ip netns exec test2 ethtool -K veth2 gro on
ip netns exec test2 bash -c 'echo 1 > /sys/class/net/veth2/threaded'
ip netns exec test1 ethtool -K veth1 tso off
Then run an iperf3 client/server and a bpftrace script can trigger it:
ip netns exec test2 iperf3 -s -B 2.2.2.2 >/dev/null&
ip netns exec test1 iperf3 -c 2.2.2.2 -B 1.1.1.1 -u -l 1500 -b 3g -t 100 >/dev/null&
bpftrace -e 'kfunc:__napi_poll{@=count();} interval:s:1{exit();}'
Report RCU quiescent states periodically will resolve the issue.
Fixes: 29863d41bb ("net: implement threaded-able napi poll loop support")
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/4c3b0d3f32d3b18949d75b18e5e1d9f13a24f025.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When under heavy load, network processing can run CPU-bound for many
tens of seconds. Even in preemptible kernels (non-RT kernel), this can
block RCU Tasks grace periods, which can cause trace-event removal to
take more than a minute, which is unacceptably long.
This commit therefore creates a new helper function that passes through
both RCU and RCU-Tasks quiescent states every 100 milliseconds. This
hard-coded value suffices for current workloads.
Suggested-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/90431d46ee112d2b0af04dbfe936faaca11810a5.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
