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Ido Schimmel 36a9996e02 mlxsw: spectrum_acl_erp: Fix object nesting warning 
[ Upstream commit 97d833ceb27dc19f8777d63f90be4a27b5daeedf ]

ACLs in Spectrum-2 and newer ASICs can reside in the algorithmic TCAM
(A-TCAM) or in the ordinary circuit TCAM (C-TCAM). The former can
contain more ACLs (i.e., tc filters), but the number of masks in each
region (i.e., tc chain) is limited.

In order to mitigate the effects of the above limitation, the device
allows filters to share a single mask if their masks only differ in up
to 8 consecutive bits. For example, dst_ip/25 can be represented using
dst_ip/24 with a delta of 1 bit. The C-TCAM does not have a limit on the
number of masks being used (and therefore does not support mask
aggregation), but can contain a limited number of filters.

The driver uses the "objagg" library to perform the mask aggregation by
passing it objects that consist of the filter's mask and whether the
filter is to be inserted into the A-TCAM or the C-TCAM since filters in
different TCAMs cannot share a mask.

The set of created objects is dependent on the insertion order of the
filters and is not necessarily optimal. Therefore, the driver will
periodically ask the library to compute a more optimal set ("hints") by
looking at all the existing objects.

When the library asks the driver whether two objects can be aggregated
the driver only compares the provided masks and ignores the A-TCAM /
C-TCAM indication. This is the right thing to do since the goal is to
move as many filters as possible to the A-TCAM. The driver also forbids
two identical masks from being aggregated since this can only happen if
one was intentionally put in the C-TCAM to avoid a conflict in the
A-TCAM.

The above can result in the following set of hints:

H1: {mask X, A-TCAM} -> H2: {mask Y, A-TCAM} // X is Y + delta
H3: {mask Y, C-TCAM} -> H4: {mask Z, A-TCAM} // Y is Z + delta

After getting the hints from the library the driver will start migrating
filters from one region to another while consulting the computed hints
and instructing the device to perform a lookup in both regions during
the transition.

Assuming a filter with mask X is being migrated into the A-TCAM in the
new region, the hints lookup will return H1. Since H2 is the parent of
H1, the library will try to find the object associated with it and
create it if necessary in which case another hints lookup (recursive)
will be performed. This hints lookup for {mask Y, A-TCAM} will either
return H2 or H3 since the driver passes the library an object comparison
function that ignores the A-TCAM / C-TCAM indication.

This can eventually lead to nested objects which are not supported by
the library [1].

Fix by removing the object comparison function from both the driver and
the library as the driver was the only user. That way the lookup will
only return exact matches.

I do not have a reliable reproducer that can reproduce the issue in a
timely manner, but before the fix the issue would reproduce in several
minutes and with the fix it does not reproduce in over an hour.

Note that the current usefulness of the hints is limited because they
include the C-TCAM indication and represent aggregation that cannot
actually happen. This will be addressed in net-next.

[1]
WARNING: CPU: 0 PID: 153 at lib/objagg.c:170 objagg_obj_parent_assign+0xb5/0xd0
Modules linked in:
CPU: 0 PID: 153 Comm: kworker/0:18 Not tainted 6.9.0-rc6-custom-g70fbc2c1c38b #42
Hardware name: Mellanox Technologies Ltd. MSN3700C/VMOD0008, BIOS 5.11 10/10/2018
Workqueue: mlxsw_core mlxsw_sp_acl_tcam_vregion_rehash_work
RIP: 0010:objagg_obj_parent_assign+0xb5/0xd0
[...]
Call Trace:
 <TASK>
 __objagg_obj_get+0x2bb/0x580
 objagg_obj_get+0xe/0x80
 mlxsw_sp_acl_erp_mask_get+0xb5/0xf0
 mlxsw_sp_acl_atcam_entry_add+0xe8/0x3c0
 mlxsw_sp_acl_tcam_entry_create+0x5e/0xa0
 mlxsw_sp_acl_tcam_vchunk_migrate_one+0x16b/0x270
 mlxsw_sp_acl_tcam_vregion_rehash_work+0xbe/0x510
 process_one_work+0x151/0x370

Fixes: 9069a3817d ("lib: objagg: implement optimization hints assembly and use hints for object creation")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Tested-by: Alexander Zubkov <green@qrator.net>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-08-19 05:40:45 +02:00
..
842 kbuild: trace functions in subdirectories of lib/ 2020-08-10 01:32:59 +09:00
crypto crypto: lib - remove unneeded selection of XOR_BLOCKS 2022-09-05 10:28:55 +02:00
dim linux/dim: Do nothing if no time delta between samples 2023-05-30 12:57:45 +01:00
fonts lib/fonts: fix undefined behavior in bit shift for get_default_font 2023-01-14 10:15:17 +01:00
kunit kunit: Fix timeout message 2024-07-18 13:05:40 +02:00
livepatch selftests/livepatch: better synchronize test_klp_callbacks_busy 2022-08-21 15:16:05 +02:00
lz4 lz4: fix LZ4_decompress_safe_partial read out of bound 2022-04-13 21:01:08 +02:00
lzo kbuild: trace functions in subdirectories of lib/ 2020-08-10 01:32:59 +09:00
math lib/math/rational.c: fix divide by zero 2021-07-14 16:56:51 +02:00
mpi crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init 2024-02-23 08:42:30 +01:00
pldmfw Add pldmfw library for PLDM firmware update 2020-07-28 17:07:06 -07:00
raid6 lib/raid6/test/Makefile: Use $(pound) instead of \# for Make 4.3 2022-04-08 14:40:31 +02:00
reed_solomon kbuild: trace functions in subdirectories of lib/ 2020-08-10 01:32:59 +09:00
vdso lib/vdso: use "grep -E" instead of "egrep" 2022-12-02 17:40:02 +01:00
xz lib/xz: Validate the value before assigning it to an enum variable 2021-11-18 14:03:58 +01:00
zlib_deflate kbuild: trace functions in subdirectories of lib/ 2020-08-10 01:32:59 +09:00
zlib_dfltcc zlib: move EXPORT_SYMBOL() and MODULE_LICENSE() out of dfltcc_syms.c 2021-01-06 14:56:51 +01:00
zlib_inflate kbuild: trace functions in subdirectories of lib/ 2020-08-10 01:32:59 +09:00
zstd lib: Revert use of fallthrough pseudo-keyword in lib/ 2020-08-24 14:17:44 -07:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
argv_split.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
ashldi3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
ashrdi3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
asn1_decoder.c lib: Revert use of fallthrough pseudo-keyword in lib/ 2020-08-24 14:17:44 -07:00
assoc_array.c assoc_array: Fix BUG_ON during garbage collect 2022-06-06 08:42:41 +02:00
atomic64_test.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
atomic64.c locking/atomic: Use s64 for atomic64 2019-06-03 12:32:56 +02:00
audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bcd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bch.c lib/bch: Allow easy bit swapping 2020-05-24 20:48:11 +02:00
bitfield_kunit.c lib: kunit: Fix compilation test when using TEST_BIT_FIELD_COMPILE 2020-10-16 13:25:14 -06:00
bitmap.c lib: bitmap: provide devm_bitmap_alloc() and devm_bitmap_zalloc() 2022-08-21 15:15:45 +02:00
bitrev.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
bootconfig.c lib/bootconfig: Fix to remove tailing spaces after value 2020-09-21 21:50:09 -04:00
bsearch.c lib/bsearch: Provide __always_inline variant 2020-06-11 15:14:53 +02:00
btree.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 431 2019-06-05 17:37:16 +02:00
bucket_locks.c ila: make lockdep happy again 2018-08-16 12:14:42 -07:00
bug.c bug: Remove redundant condition check in report_bug 2021-05-14 09:50:32 +02:00
build_OID_registry treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
bust_spinlocks.c s390: use common bust_spinlocks() 2018-11-30 07:22:05 +01:00
check_signature.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
checksum.c unify generic instances of csum_partial_copy_nocheck() 2020-08-20 15:45:14 -04:00
clz_ctz.c lib/clz_ctz.c: Fix __clzdi2() and __ctzdi2() for 32-bit kernels 2023-08-30 16:23:16 +02:00
clz_tab.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cmdline.c lib: Revert use of fallthrough pseudo-keyword in lib/ 2020-08-24 14:17:44 -07:00
cmpdi2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
compat_audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cpu_rmap.c lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release() 2023-06-14 11:09:45 +02:00
cpumask.c Revert "lib: Restrict cpumask_local_spread to houskeeping CPUs" 2021-02-17 11:02:24 +01:00
crc4.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc7.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc8.c docs: clean up and add rest of CRC functions to kernel-api.rst 2017-09-26 15:01:20 -06:00
crc16.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc32.c lib/crc32.c: fix trivial typo in preprocessor condition 2020-10-16 11:11:20 -07:00
crc32defs.h lib/crc: Move polynomial definition to separate header 2018-07-27 19:04:33 +08:00
crc32test.c lib/crc32test: remove extra local_irq_disable/enable 2020-11-02 12:14:19 -08:00
crc64.c lib/: replace HTTP links with HTTPS ones 2020-08-12 10:58:00 -07:00
crc-ccitt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc-itu-t.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc-t10dif.c crc-t10dif: clean up some more things 2020-06-18 17:26:43 +10:00
ctype.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debug_info.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debug_locks.c locking/lockdep: Improve noinstr vs errors 2021-06-30 08:47:18 -04:00
debugobjects.c debugobjects: Stop accessing objects after releasing hash bucket lock 2024-02-23 08:42:02 +01:00
dec_and_lock.c atomic: Add irqsave variant of atomic_dec_and_lock() 2018-06-12 23:33:24 +02:00
decompress_bunzip2.c lib: decompress_bunzip2: delete duplicated words 2020-10-16 11:11:19 -07:00
decompress_inflate.c lib/zlib: add s390 hardware support for kernel zlib_inflate 2020-01-31 10:30:40 -08:00
decompress_unlz4.c lib/decompress_unlz4.c: correctly handle zero-padding around initrds. 2021-07-20 16:05:46 +02:00
decompress_unlzma.c lib/: replace HTTP links with HTTPS ones 2020-08-12 10:58:00 -07:00
decompress_unlzo.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 95 2019-05-24 17:37:53 +02:00
decompress_unxz.c lib/xz: Avoid overlapping memcpy() with invalid input with in-place decompression 2021-11-18 14:03:58 +01:00
decompress_unzstd.c lib: decompress_unzstd: Limit output size 2020-09-03 10:13:09 +02:00
decompress.c lib: Add zstd support to decompress 2020-07-31 11:49:08 +02:00
devres.c driver core: platform: Document return type of more functions 2020-09-10 18:30:01 +02:00
digsig.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
dump_stack.c kernel: rename show_stack_loglvl() => show_stack() 2020-06-09 09:39:13 -07:00
dynamic_debug.c dyndbg: fix old BUG_ON in >control parser 2024-05-17 11:48:10 +02:00
dynamic_queue_limits.c lib: dynamic_queue_limits: delete duplicated words + fix typo 2020-10-16 11:11:20 -07:00
earlycpio.c lib: earlycpio: delete duplicated words 2020-10-16 11:11:20 -07:00
errname.c parisc: Drop the HP-UX ENOSYM and EREMOTERELEASE error codes 2023-12-08 08:46:12 +01:00
error-inject.c treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively 2019-04-09 14:19:06 +02:00
errseq.c errseq: Always report a writeback error once 2018-04-27 08:51:26 -04:00
extable.c lib/extable.c: add missing prototypes 2019-09-25 17:51:39 -07:00
fault-inject-usercopy.c lib, include/linux: add usercopy failure capability 2020-10-16 11:11:22 -07:00
fault-inject.c fault_inject: Don't rely on "return value" from WRITE_ONCE() 2020-04-15 21:36:41 +01:00
fdt_addresses.c libfdt: include fdt_addresses.c 2020-01-08 16:59:19 +00:00
fdt_empty_tree.c
fdt_ro.c
fdt_rw.c
fdt_strerror.c
fdt_sw.c
fdt_wip.c
fdt.c
find_bit_benchmark.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295 2019-06-05 17:36:38 +02:00
find_bit.c kernel.h: split out min()/max() et al. helpers 2020-10-16 11:11:19 -07:00
flex_proportions.c lib/flex_proportions.c: cleanup __fprop_inc_percpu_max 2020-06-04 19:06:25 -07:00
gen_crc32table.c lib/crc: Use consistent naming for CRC-32 polynomials 2018-07-27 19:04:33 +08:00
gen_crc64table.c lib: don't depend on linux headers being installed. 2018-12-29 11:36:44 -08:00
genalloc.c lib/genalloc: fix the overflow when size is too big 2021-01-12 20:18:16 +01:00
generic-radix-tree.c lib/generic-radix-tree.c: add kmemleak annotations 2019-10-14 15:04:00 -07:00
glob.c lib: Revert use of fallthrough pseudo-keyword in lib/ 2020-08-24 14:17:44 -07:00
globtest.c
hexdump.c hex2bin: fix access beyond string end 2022-05-09 09:04:59 +02:00
hweight.c x86/kconfig: Disable CONFIG_GENERIC_HWEIGHT and remove __HAVE_ARCH_SW_HWEIGHT 2019-05-13 11:07:33 +02:00
idr.c ida: Fix crash in ida_free when the bitmap is empty 2024-01-25 14:37:38 -08:00
inflate.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
interval_tree_test.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
interval_tree.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
iomap_copy.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 504 2019-06-19 17:09:56 +02:00
iomap.c iomap: constify ioreadX() iomem argument (as in generic implementation) 2020-08-14 19:56:57 -07:00
iommu-helper.c iommu-helper: mark iommu_is_span_boundary as inline 2018-05-09 06:55:44 +02:00
iov_iter.c mm/highmem: Lift memcpy_[to|from]_page to core 2023-01-14 10:16:42 +01:00
irq_poll.c lib/irq_poll: Support schedules in non-interrupt contexts 2019-02-19 20:52:19 -07:00
irq_regs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
is_single_threaded.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
kasprintf.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig crypto: memneq - move into lib/ 2022-06-22 14:13:18 +02:00
Kconfig.debug lib/Kconfig.debug: do not enable DEBUG_PREEMPT by default 2023-10-25 11:54:18 +02:00
Kconfig.kasan KASAN: port KASAN Tests to KUnit 2020-10-13 18:38:32 -07:00
Kconfig.kcsan kcsan: Test support for compound instrumentation 2020-08-24 15:09:58 -07:00
Kconfig.kgdb kgdb: Honour the kprobe blocklist when setting breakpoints 2020-09-28 12:14:08 +01:00
Kconfig.ubsan ubsan: introduce CONFIG_UBSAN_LOCAL_BOUNDS for Clang 2020-10-16 11:11:22 -07:00
kfifo.c Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()" 2019-08-30 18:47:15 -07:00
klist.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 248 2019-06-19 17:09:08 +02:00
kobject_uevent.c kobject_uevent: remove warning in init_uevent_argv() 2021-05-19 10:13:18 +02:00
kobject.c kobject: Fix slab-out-of-bounds in fill_kobj_path() 2023-11-08 17:30:46 +01:00
kstrtox.c kernel.h: split out kstrtox() and simple_strtox() to a separate header 2023-06-21 15:45:35 +02:00
kstrtox.h lib: vsprintf: Fix handling of number field widths in vsscanf 2021-07-14 16:55:57 +02:00
libcrc32c.c lib: libcrc32c: delete duplicated words 2020-10-16 11:11:19 -07:00
linear_ranges.c lib: linear_ranges: Add missing MODULE_LICENSE() 2020-05-11 11:55:28 +01:00
list_debug.c lib/list_debug.c: Detect uninitialized lists 2022-08-25 11:38:18 +02:00
list_sort.c treewide: Change list_sort to use const pointers 2021-09-30 10:11:04 +02:00
list-test.c Fix linked-list KUnit test when run multiple times 2020-03-25 16:38:39 -06:00
llist.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
locking-selftest-hardirq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-mutex.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-rlock-hardirq.h
locking-selftest-rlock-softirq.h
locking-selftest-rlock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-rsem.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-rtmutex.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-softirq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-spin-hardirq.h
locking-selftest-spin-softirq.h
locking-selftest-spin.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-wlock-hardirq.h
locking-selftest-wlock-softirq.h
locking-selftest-wlock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-wsem.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest.c lockdep/selftests: Fix selftests vs PROVE_RAW_LOCK_NESTING 2021-07-14 16:56:10 +02:00
lockref.c lockref: stop doing cpu_relax in the cmpxchg loop 2023-02-01 08:23:18 +01:00
logic_pio.c PCI: Fix pci_register_io_range() memory leak 2021-03-17 17:06:25 +01:00
lru_cache.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 91 2019-05-24 17:37:53 +02:00
lshrdi3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
Makefile crypto: memneq - move into lib/ 2022-06-22 14:13:18 +02:00
memcat_p.c lib: Fix ia64 bootloader linkage 2018-10-16 13:45:44 +02:00
memneq.c crypto: memneq - move into lib/ 2022-06-22 14:13:18 +02:00
memory-notifier-error-inject.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
memregion.c lib/memregion.c: include memregion.h 2020-09-26 10:33:57 -07:00
memweight.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
muldi3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
net_utils.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netdev-notifier-error-inject.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nlattr.c netlink: prevent potential spectre v1 gadgets 2023-02-01 08:23:23 +01:00
nmi_backtrace.c lib: Add backtrace_idle parameter to force backtrace of idle CPUs 2020-08-24 14:24:25 -07:00
nodemask.c nodemask: Fix return values to be unsigned 2022-06-14 18:32:45 +02:00
notifier-error-inject.c lib/notifier-error-inject: fix error when writing -errno to debugfs file 2023-01-14 10:15:19 +01:00
notifier-error-inject.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
objagg.c mlxsw: spectrum_acl_erp: Fix object nesting warning 2024-08-19 05:40:45 +02:00
of-reconfig-notifier-error-inject.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
oid_registry.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
once.c once: add DO_ONCE_SLOW() for sleepable contexts 2022-10-26 13:25:23 +02:00
packing.c lib: packing: add documentation for pbuflen argument 2020-06-28 20:45:27 -07:00
parman.c
parser.c kernel.h: split out kstrtox() and simple_strtox() to a separate header 2023-06-21 15:45:35 +02:00
pci_iomap.c PCI: Add SPDX GPL-2.0 when no license was specified 2018-01-26 11:45:16 -06:00
percpu_counter.c lib/percpu_counter.c: use helper macro abs() 2020-10-16 11:11:20 -07:00
percpu_test.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
percpu-refcount.c percpu_ref_init(): clean ->percpu_count_ref on failure 2022-06-06 08:42:40 +02:00
plist.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 10 2019-05-21 11:28:45 +02:00
pm-notifier-error-inject.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
radix-tree.c radix tree: remove unused variable 2023-08-30 16:23:16 +02:00
random32.c random: replace custom notifier chain with standard one 2022-05-30 09:33:38 +02:00
ratelimit.c ratelimit: Fix data-races in ___ratelimit(). 2022-08-31 17:15:20 +02:00
rbtree_test.c augmented rbtree: add new RB_DECLARE_CALLBACKS_MAX macro 2019-09-25 17:51:39 -07:00
rbtree.c lib/: replace HTTP links with HTTPS ones 2020-08-12 10:58:00 -07:00
refcount.c locking/refcount: Consolidate implementations of refcount_t 2019-11-25 09:15:32 +01:00
rhashtable.c rhashtable: Restore RCU marking on rhash_lock_head 2020-07-28 17:09:49 -07:00
sbitmap.c sbitmap: Consider cleared bits in sbitmap_bitmap_show() 2020-07-01 10:53:00 -06:00
scatterlist.c lib/scatterlist: use consistent sg_copy_buffer() return type 2020-10-29 08:55:45 -06:00
seq_buf.c seq_buf: Fix overflow in seq_buf_putmem_hex() 2021-07-19 09:45:00 +02:00
sg_pool.c SCSI sg on 20190709 2019-07-11 15:17:41 -07:00
sg_split.c lib: scatterlist: Fix to support no mapped sg 2019-08-08 07:45:01 -06:00
sha1.c lib/crypto: sha1: re-roll loops to reduce code size 2022-05-30 09:33:26 +02:00
show_mem.c mm: remove quicklist page table caches 2019-09-24 15:54:09 -07:00
siphash.c siphash: use one source of truth for siphash permutations 2022-05-30 09:33:43 +02:00
smp_processor_id.c lib/smp_processor_id: fix imbalanced instrumentation_end() call 2022-08-21 15:16:08 +02:00
sort.c lib/sort: Move swap, cmp and cmp_r function types for wider use 2019-11-14 13:15:11 -05:00
stackdepot.c stackdepot: respect __GFP_NOLOCKDEP allocation flag 2024-05-02 16:23:45 +02:00
stmp_device.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
string_helpers.c lib: string_helpers: provide kfree_strarray() 2020-09-30 10:50:30 +02:00
string.c lib/string.c: implement stpcpy 2020-09-26 10:33:57 -07:00
strncpy_from_user.c lib/strncpy_from_user.c: Mask out bytes after NUL terminator. 2020-11-19 11:56:16 -08:00
strnlen_user.c uaccess: Selectively open read or write user access 2020-05-01 12:35:21 +10:00
syscall.c lib/syscall: fix syscall registers retrieval on 32-bit platforms 2020-12-03 09:52:44 -08:00
test_bitmap.c test_bitmap: remove user bitmap tests 2020-09-08 22:21:33 -04:00
test_bitops.c lib/test_bitops: do the full test during module init 2020-08-12 10:57:59 -07:00
test_bits.c lib/test_bits.c: add tests of GENMASK 2020-08-12 10:58:00 -07:00
test_blackhole_dev.c net: blackhole_dev: fix build warning for ethh set but not used 2024-03-26 18:21:50 -04:00
test_bpf.c test_bpf: fix incorrect netdev features 2022-08-21 15:15:41 +02:00
test_debug_virtual.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_firmware.c test_firmware: return ENOMEM instead of ENOSPC on failed memory allocation 2023-07-27 08:44:06 +02:00
test_fpu.c selftests/fpu: Add an FPU selftest 2020-06-29 10:02:23 +02:00
test_free_pages.c mm/page_alloc.c: fix freeing non-compound pages 2020-10-13 18:38:33 -07:00
test_hash.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_hexdump.c test_hexdump: use memcpy instead of strncpy 2018-11-30 12:13:15 -08:00
test_hmm_uapi.h mm/hmm: add tests for hmm_pfn_to_map_order() 2020-07-10 16:24:28 -03:00
test_hmm.c mm/hmm.c: allow VM_MIXEDMAP to work with hmm_range_fault 2022-01-27 10:54:36 +01:00
test_ida.c ida: Fix crash in ida_free when the bitmap is empty 2024-01-25 14:37:38 -08:00
test_kasan_module.c KASAN: port KASAN Tests to KUnit 2020-10-13 18:38:32 -07:00
test_kasan.c kasan: fix unit tests with CONFIG_UBSAN_LOCAL_BOUNDS enabled 2021-05-19 10:13:11 +02:00
test_kmod.c lib: cleanup kstrto*() usage 2023-06-21 15:45:35 +02:00
test_linear_ranges.c lib/test_linear_ranges: add a test for the 'linear_ranges' 2020-05-08 18:18:12 +01:00
test_list_sort.c treewide: Change list_sort to use const pointers 2021-09-30 10:11:04 +02:00
test_lockup.c lib/test_lockup: fix kernel pointer check for separate address spaces 2022-04-08 14:40:35 +02:00
test_memcat_p.c lib: Fix ia64 bootloader linkage 2018-10-16 13:45:44 +02:00
test_meminit.c lib/test_meminit: fix off-by-one error in test_pages() 2023-10-25 11:54:13 +02:00
test_min_heap.c lib: Introduce generic min-heap 2020-03-06 11:56:59 +01:00
test_module.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_objagg.c test_objagg: Fix potential memory leak in error handling 2020-06-15 13:32:11 -07:00
test_overflow.c overflow: Implement size_t saturating arithmetic helpers 2023-11-20 11:06:44 +01:00
test_parman.c
test_printf.c Driver core patches for 5.8-rc1 2020-06-07 10:53:36 -07:00
test_rhashtable.c rhashtable: fix indentation of a continue statement 2020-09-20 14:10:06 -07:00
test_siphash.c
test_sort.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_stackinit.c lib/test_stackinit: Fix static initializer test 2021-09-18 13:40:37 +02:00
test_static_key_base.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
test_static_keys.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
test_string.c lib/test_string.c: add some testcases for strchr and strnchr 2019-07-16 19:23:22 -07:00
test_strscpy.c lib: Add test module for strscpy_pad 2019-04-08 16:44:21 -06:00
test_sysctl.c lib: test_sysctl: delete duplicated words 2020-10-16 11:11:20 -07:00
test_ubsan.c ubsan: remove CONFIG_UBSAN_OBJECT_SIZE 2022-04-13 21:01:10 +02:00
test_user_copy.c usercopy: Avoid soft lockups in test_check_nonzero_user() 2019-10-16 14:56:21 +02:00
test_uuid.c uuid: fix incorrect uuid_equal conversion in test_uuid_test 2017-07-21 09:38:30 +02:00
test_vmalloc.c lib/test_vmalloc.c: Add test cases for kvfree_rcu() 2020-06-29 11:59:26 -07:00
test_xarray.c XArray: Fix xas_create_range() when multi-order entry present 2022-04-08 14:40:40 +02:00
test-kstrtox.c
test-string_helpers.c lib/test-string_helpers.c: Add string_upper() and string_lower() tests 2020-07-15 12:45:06 +03:00
textsearch.c lib: textsearch: fix escapes in example code 2019-10-03 12:12:23 -04:00
timerqueue.c lib/timerqueue: Rely on rbtree semantics for next timer 2019-07-24 17:38:01 +02:00
ts_bm.c lib/ts_bm: reset initial match offset for every block of text 2023-07-27 08:43:43 +02:00
ts_fsm.c lib: Revert use of fallthrough pseudo-keyword in lib/ 2020-08-24 14:17:44 -07:00
ts_kmp.c lib/ts_kmp.c: replace zero-length array with flexible-array member 2020-04-07 10:43:43 -07:00
ubsan.c panic: Consolidate open-coded panic_on_warn checks 2023-02-01 08:23:20 +01:00
ubsan.h ubsan: implement __ubsan_handle_alignment_assumption 2021-02-17 11:02:24 +01:00
ucmpdi2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
ucs2_string.c lib/ucs2_string.c: add MODULE_LICENSE() 2018-06-07 17:34:39 -07:00
usercopy.c uaccess: Add speculation barrier to copy_from_user() 2023-02-25 11:55:03 +01:00
uuid.c uuid: Provide a GUID generator for raw buffer 2020-03-23 17:01:47 +01:00
vsprintf.c lib/vsprintf: Fix %pfwf when current node refcount == 0 2024-01-05 15:12:28 +01:00
win_minmax.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xarray.c XArray: Update the LRU list in xas_split() 2022-04-08 14:40:40 +02:00
xxhash.c lib/: replace HTTP links with HTTPS ones 2020-08-12 10:58:00 -07:00