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Gary Guo 3a2486cc1d kbuild: rust: provide an option to inline C helpers into Rust 
A new experimental Kconfig option, `RUST_INLINE_HELPERS` is added to
allow C helpers (which were created to allow Rust to call into
inline/macro C functions without having to re-implement the logic in
Rust) to be inlined into Rust crates without performing global LTO.

If the option is enabled, the following is performed:
* For helpers, instead of compiling them to an object file to be linked
  into vmlinux, they're compiled to LLVM IR bitcode. Two versions are
  generated: one for built-in code (`helpers.bc`) and one for modules
  (`helpers_module.bc`, with -DMODULE defined). This ensures that C
  macros/inlines that behave differently for modules (e.g. static calls)
  function correctly when inlined.
* When a Rust crate or object is compiled, instead of generating an
  object file, LLVM bitcode is generated.
* llvm-link is invoked with --internalize to combine the helper bitcode
  with the crate bitcode. This step is similar to LTO, but this is much
  faster since it only needs to inline the helpers.
* clang is invoked to turn the combined bitcode into a final object file.
* Since clang may produce LLVM bitcode when LTO is enabled, and objtool
  requires ELF input, $(cmd_ld_single) is invoked to ensure the object
  is converted to ELF before objtool runs.

The --internalize flag tells llvm-link to treat all symbols in
helpers.bc using `internal` linkage [1]. This matches the behavior of
`clang` on `static inline` functions, and avoids exporting the symbol
from the object file.

To ensure that RUST_INLINE_HELPERS is not incompatible with BTF, we pass
the -g0 flag when building helpers. See commit 5daa0c35a1 ("rust:
Disallow BTF generation with Rust + LTO") for details.

We have an intended triple mismatch of `aarch64-unknown-none` vs
`aarch64-unknown-linux-gnu`, so we pass --suppress-warnings to llvm-link
to suppress it.

I considered adding some sort of check that KBUILD_MODNAME is not
present in helpers_module.bc, but this is actually not so easy to carry
out because .bc files store strings in a weird binary format, so you
cannot just grep it for a string to check whether it ended up using
KBUILD_MODNAME anywhere.

[ Andreas writes:

    For the rnull driver, enabling helper inlining with this patch
    gives an average speedup of 2% over the set of 120 workloads that
    we publish on [2].

    Link: https://rust-for-linux.com/null-block-driver [2]

  This series also uncovered a pre-existing UB instance thanks to an
  `objtool` warning which I noticed while testing the series (details
  in the mailing list).

      - Miguel ]

Link: https://github.com/llvm/llvm-project/pull/170397 [1]
Co-developed-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Co-developed-by: Matthew Maurer <mmaurer@google.com>
Signed-off-by: Matthew Maurer <mmaurer@google.com>
Signed-off-by: Gary Guo <gary@garyguo.net>
Co-developed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Andreas Hindborg <a.hindborg@kernel.org>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Link: https://patch.msgid.link/20260203-inline-helpers-v2-3-beb8547a03c9@google.com
[ Some changes, apart from the rebase:

  - Added "(EXPERIMENTAL)" to Kconfig as the commit mentions.

  - Added `depends on ARM64 || X86_64` and `!UML` for now, since this is
    experimental, other architectures may require other changes (e.g.
    the issues I mentioned in the mailing list for ARM and UML) and they
    are not really tested so far. So let arch maintainers pick this up
    if they think it is worth it.

  - Gated the `cmd_ld_single` step also into the new mode, which also
    means that any possible future `objcopy` step is done after the
    translation, as expected.

  - Added `.gitignore` for `.bc` with exception for existing script.

  - Added `part-of-*` for helpers bitcode files as discussed, and
    dropped `$(if $(filter %_module.bc,$@),-DMODULE)` since `-DMODULE`
    is already there (would be duplicated otherwise).

  - Moved `LLVM_LINK` to keep binutils list alphabetized.

  - Fixed typo in title.

  - Dropped second `cmd_ld_single` commit message paragraph.

      - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2026-03-30 02:03:52 +02:00
..
842 lib: 842: Improve error handling in sw842_compress() 2025-02-09 18:08:11 +08:00
crc lib/crc: Switch ARM and arm64 to 'ksimd' scoped guard API 2025-11-12 09:52:01 +01:00
crypto lib/crypto: tests: Add a .kunitconfig file 2026-03-02 15:35:05 -08:00
dim Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
fonts lib/fonts: Add Terminus 10x18 console font 2025-12-02 19:57:01 +01:00
kunit kunit: reduce stack usage in kunit_run_tests() 2026-03-02 10:11:06 -07:00
lz4 include/linux/lz4.h: add some missing macros 2025-01-24 22:47:28 -08:00
lzo lib/lzo: add unlikely hints to overrun checks 2025-08-16 17:24:31 +08:00
math lib: test_mul_u64_u64_div_u64(): test the 32bit code on 64bit 2025-11-20 14:03:42 -08:00
pldmfw Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
raid6 First set of RISC-V updates for v6.19-rc1 2025-12-05 16:26:57 -08:00
reed_solomon Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_fortify fortify: Cleanup temp file also on non-successful exit 2026-01-14 19:49:55 -08:00
tests Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
vdso vdso/gettimeofday: Force inlining of __cvdso_clock_getres_common() 2026-01-26 22:27:07 +01:00
xz Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
zlib_deflate lib/zlib: drop EQUAL macro 2025-03-16 22:30:49 -07:00
zlib_dfltcc lib/zlib: unpoison DFLTCC output buffers 2024-07-03 19:30:23 -07:00
zlib_inflate Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
zstd Update zstd to the latest upstream release v1.5.7. Imported cleanly from the 2025-03-26 21:35:28 -07:00
.gitignore fortify: refactor test_fortify Makefile to fix some build problems 2024-08-15 09:26:02 -07:00
alloc_tag.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
argv_split.c argv_split: fix kernel-doc warnings 2023-09-19 13:21:33 -07:00
ashldi3.c
ashrdi3.c
asn1_decoder.c ASN.1: add module description 2025-04-11 17:32:37 -07:00
asn1_encoder.c lib/asn1_encoder: add missing MODULE_DESCRIPTION() macro 2024-06-24 22:25:06 -07:00
assoc_array.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
atomic64_test.c x86/cpufeatures: Rename X86_CMPXCHG64 to X86_CX8 2025-02-28 11:42:34 +01:00
atomic64.c atomic64: Use arch_spin_locks instead of raw_spin_locks 2025-01-22 15:07:01 -05:00
audit.c
base64.c lib/base64: rework encode/decode for speed and stricter validation 2025-11-20 14:03:44 -08:00
bcd.c lib/bcd: optimize _bin2bcd() for improved performance 2024-09-01 20:43:33 -07:00
bch.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
bitmap-str.c lib/bitmap: split-out string-related operations to a separate files 2023-10-14 20:25:22 -07:00
bitmap.c cpumask: Introduce cpumask_weighted_or() 2025-11-20 12:14:54 +01:00
bitrev.c
bootconfig-data.S
bootconfig.c bootconfig: Terminate value search if it hits a newline 2026-02-05 22:21:07 +09:00
bsearch.c
btree.c btree: simplify merge logic by using btree_last() return value 2025-09-13 17:32:53 -07:00
bucket_locks.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
bug.c bug: Hush suggest-attribute=format for __warn_printf() 2025-12-12 10:26:26 +01:00
build_OID_registry oid_registry: allow arbitrary size OIDs 2026-01-20 19:44:15 -08:00
buildid.c procfs: avoid fetching build ID while holding VMA lock 2026-02-05 14:10:00 -08:00
bust_spinlocks.c
cache_maint.c lib: Support ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION 2025-11-21 18:42:01 +00:00
check_signature.c
checksum.c net: checksum: Move from32to16() to generic header 2024-10-30 15:29:59 +01:00
closure.c closures: use seq_putc() in debug_show() 2024-09-01 20:43:29 -07:00
clz_ctz.c bitops: Add __attribute_const__ to generic ffs()-family implementations 2025-09-08 14:58:50 -07:00
clz_tab.c
cmdline.c
cmpdi2.c
cmpxchg-emu.c lib: Add one-byte emulation function 2024-04-09 22:06:00 -07:00
codetag.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
compat_audit.c
cpu_rmap.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
cpumask.c cpumask: drop cpumask_next_wrap_old() 2025-02-24 16:37:23 -05:00
ctype.c
debug_info.c
debug_locks.c
debugobjects.c debugobject: Make it work with deferred page initialization - again 2026-02-10 13:26:19 +01:00
dec_and_lock.c compiler-context-analysis: Remove __cond_lock() function-like helper 2026-01-05 16:43:33 +01:00
decompress_bunzip2.c decompress_bunzip2: fix rare decompression failure 2024-07-26 14:33:09 -07:00
decompress_inflate.c decompressor: provide missing prototypes 2023-06-09 17:44:17 -07:00
decompress_unlz4.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
decompress_unlzma.c minmax: make generic MIN() and MAX() macros available everywhere 2024-07-28 15:49:18 -07:00
decompress_unlzo.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
decompress_unxz.c xz: fix arm fdt compile error for kmalloc replacement 2026-02-22 12:05:31 -08:00
decompress_unzstd.c decompressor: provide missing prototypes 2023-06-09 17:44:17 -07:00
decompress.c lib/decompress: use designated initializers for struct compress_format 2025-09-22 20:10:58 -07:00
devmem_is_allowed.c lib: devmem_is_allowed: include linux/io.h 2023-06-09 17:44:15 -07:00
devres.c devres: Export devm_ioremap_resource_wc() 2025-05-05 16:18:09 -05:00
dhry_1.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
dhry_2.c
dhry_run.c KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko 2024-06-24 22:25:11 -07:00
dhry.h
digsig.c integrity-v6.18 2025-10-05 10:48:33 -07:00
dump_stack.c panic/printk: replace this_cpu_in_panic() with panic_on_this_cpu() 2025-09-13 17:32:52 -07:00
dynamic_debug.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
dynamic_queue_limits.c dql: Fix dql->limit value when reset. 2025-03-25 06:26:55 -07:00
earlycpio.c
errname.c parisc: Drop the HP-UX ENOSYM and EREMOTERELEASE error codes 2023-11-25 09:43:18 +01:00
error-inject.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
errseq.c errseq: eliminate special limitation for macro MAX_ERRNO 2025-05-11 17:54:06 -07:00
extable.c
fault-inject-usercopy.c lib/fault-inject-usercopy.c: use PTR_ERR_OR_ZERO() to simplify code 2025-09-13 17:32:46 -07:00
fault-inject.c fault-inject: use prandom where cryptographically secure randomness is not needed 2025-01-12 20:21:00 -08:00
fdt_addresses.c
fdt_empty_tree.c
fdt_ro.c
fdt_rw.c
fdt_strerror.c
fdt_sw.c
fdt_wip.c
fdt.c
find_bit_benchmark_rust.rs rust: add find_bit_benchmark_rust module. 2025-09-22 15:52:44 -04:00
find_bit_benchmark.c lib: bitmap: add missing MODULE_DESCRIPTION() macros 2024-06-18 10:40:52 -07:00
find_bit.c lib/find_bit: fix uninitialized variable use in FIND_NTH_BIT 2026-02-08 18:47:29 -05:00
flex_proportions.c flex_proportions: make fprop_new_period() hardirq safe 2026-01-26 19:03:46 -08:00
fw_table.c lib/firmware_table: Provide buffer length argument to cdat_table_parse() 2024-03-13 00:03:21 -07:00
genalloc.c lib/genalloc: fix device leak in of_gen_pool_get() 2025-09-28 11:36:13 -07:00
generic-radix-tree.c lib/generic-radix-tree.c: add preallocation 2024-09-09 09:41:47 -04:00
glob.c lib: glob.c: added null check for character class 2024-09-09 16:47:41 -07:00
group_cpus.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
hexdump.c kernel.h: drop hex.h and update all hex.h users 2026-01-20 19:44:19 -08:00
hweight.c bitops: Update kernel-doc in hweight.c to fix the issues with it 2025-11-06 11:51:04 -05:00
idr.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
inflate.c lib/inflate.c: remove dead code 2025-01-12 20:21:15 -08:00
interval_tree_test.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
interval_tree.c interval_tree: Fix ITSTATIC usage for *_subtree_search() 2025-10-14 14:45:22 -07:00
iomap_copy.c s390: Stop using weak symbols for __iowrite64_copy() 2024-04-22 17:11:20 -03:00
iomap.c asm-generic/io.h: rework split ioread64/iowrite64 helpers 2025-03-01 21:00:22 +01:00
iomem_copy.c lib/iomem_copy: fix kerneldoc format style 2024-10-29 07:14:29 +00:00
iommu-helper.c
iov_iter.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
irq_poll.c softirq: Remove unused 'action' parameter from action callback 2024-08-20 17:13:40 +02:00
irq_regs.c
is_single_threaded.c
kasprintf.c
Kconfig lib/glob: convert selftest to KUnit 2026-01-26 19:07:13 -08:00
Kconfig.debug kbuild: rust: provide an option to inline C helpers into Rust 2026-03-30 02:03:52 +02:00
Kconfig.kasan kasan: introduce ARCH_DEFER_KASAN and unify static key across modes 2025-09-21 14:21:58 -07:00
Kconfig.kcsan objtool: Drop noinstr hack for KCSAN_WEAK_MEMORY 2025-08-28 16:58:46 -07:00
Kconfig.kfence mm/slab: remove CONFIG_SLAB from all Kconfig and Makefile 2023-12-05 11:14:40 +01:00
Kconfig.kgdb Documentation: move dev-tools debugging files to process/debugging/ 2024-12-17 13:46:53 -07:00
Kconfig.kmsan KMSAN: Restore dynamic check for '-fsanitize=kernel-memory' 2025-10-27 16:22:02 -07:00
Kconfig.ubsan Kconfig.ubsan: Remove CONFIG_UBSAN_REPORT_FULL from documentation 2026-01-07 12:16:03 -08:00
kfifo.c kfifo: fix kmalloc_array_node() argument order 2026-01-26 19:07:09 -08:00
klist.c
kobject_uevent.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
kobject.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
kstrtox.c lib/kstrtox: fix kstrtobool() docstring to mention enabled/disabled 2026-01-26 19:07:10 -08:00
kstrtox.h
linear_ranges.c
list_debug.c lib/list_debug.c: add object information in case of invalid object 2025-01-25 20:22:23 -08:00
list_sort.c lib/list_sort: clarify comparison function requirements in list_sort() 2025-01-24 22:47:23 -08:00
llist.c llist: make llist_add_batch() a static inline 2025-05-27 19:40:34 -07:00
locking-selftest-hardirq.h
locking-selftest-mutex.h
locking-selftest-rlock-hardirq.h
locking-selftest-rlock-softirq.h
locking-selftest-rlock.h
locking-selftest-rsem.h
locking-selftest-rtmutex.h
locking-selftest-softirq.h
locking-selftest-spin-hardirq.h
locking-selftest-spin-softirq.h
locking-selftest-spin.h
locking-selftest-wlock-hardirq.h
locking-selftest-wlock-softirq.h
locking-selftest-wlock.h
locking-selftest-wsem.h
locking-selftest.c treewide: Remove in_irq() 2025-10-24 21:39:27 +02:00
lockref.c compiler-context-analysis: Remove __cond_lock() function-like helper 2026-01-05 16:43:33 +01:00
logic_iomem.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
logic_pio.c logic_pio: Constify fwnode_handle 2024-10-14 16:33:24 -05:00
lru_cache.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
lshrdi3.c
lwq.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
Makefile mm.git review status for linus..mm-nonmm-stable 2026-02-12 12:13:01 -08:00
maple_tree.c maple_tree: fix tracepoint string pointers 2025-11-09 21:19:45 -08:00
memcat_p.c
memory-notifier-error-inject.c
memregion.c
memweight.c
min_heap.c lib min_heap: use size_t for array size and index variables 2025-03-16 23:24:14 -07:00
muldi3.c
net_utils.c net, treewide: define and use MAC_ADDR_STR_LEN 2025-03-19 19:17:58 +01:00
netdev-notifier-error-inject.c
nlattr.c netlink: add nla be16/32 types to minlen array 2024-02-22 19:01:55 -08:00
nmi_backtrace.c nmi_backtrace: allow excluding an arbitrary CPU 2023-08-18 10:19:00 -07:00
notifier-error-inject.c lib: remove error checking for debugfs_create_dir() 2023-08-18 10:18:55 -07:00
notifier-error-inject.h
objagg.c Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
objpool.c objpool: fix the overestimation of object pooling metadata size 2026-02-12 15:45:57 -08:00
of-reconfig-notifier-error-inject.c
oid_registry.c lib/oid_registry.c: remove unused sprint_OID 2025-05-11 17:54:13 -07:00
once.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
packing_test.c lib: packing: add pack_fields() and unpack_fields() 2024-12-11 20:13:00 -08:00
packing.c lib: packing: add pack_fields() and unpack_fields() 2024-12-11 20:13:00 -08:00
parman.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
parser.c Documentation: core-api: add generic parser docbook 2024-12-11 09:07:40 -07:00
percpu_counter.c lib/percpu_counter: add missing __percpu qualifier to a cast 2024-09-01 20:43:34 -07:00
percpu_test.c percpu: add a test case for the specific 64-bit value addition 2024-11-06 20:11:14 -08:00
percpu-refcount.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
plist.c treewide: Update email address 2026-01-11 06:09:11 -10:00
pm-notifier-error-inject.c
polynomial.c
radix-tree.c radix tree: remove unused variable 2023-08-21 13:07:22 -07:00
radix-tree.h radix-tree: move declarations to header 2023-06-12 11:31:50 -07:00
random32.c Random number generator updates for Linux 6.13-rc1. 2024-11-19 10:43:44 -08:00
ratelimit.c lib: ratelimit: fix spelling mistake 'seperately' 2025-11-20 14:03:45 -08:00
rbtree_test.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
rbtree.c rbtree: inline rb_last() 2025-11-27 14:24:30 -08:00
rcuref.c rcuref: Plug slowpath race in rcuref_put() 2025-01-29 15:21:31 +01:00
ref_tracker.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
refcount.c
rhashtable.c rhashtable: Enable context analysis 2026-01-05 16:43:35 +01:00
sbitmap.c lib/sbitmap: make sbitmap_get_shallow() internal 2025-08-07 06:30:17 -06:00
scatterlist.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
seq_buf.c seq_buf: Fix kernel documentation 2024-02-15 12:17:28 -05:00
sg_pool.c
sg_split.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
siphash.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
smp_processor_id.c lib/smp_processor_id: Make migration check unconditional of SMP 2025-07-10 17:52:13 +02:00
sort.c lib/sort.c: add _nonatomic() variants with cond_resched() 2025-04-01 15:20:46 -07:00
stackdepot.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
stmp_device.c
string_helpers.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
string.c string: Add load_unaligned_zeropad() code path to sized_strscpy() 2025-04-15 13:50:17 -07:00
strncpy_from_user.c lib/strn*,uaccess: Use masked_user_{read/write}_access_begin when required 2025-11-18 15:27:35 +01:00
strnlen_user.c lib/strn*,uaccess: Use masked_user_{read/write}_access_begin when required 2025-11-18 15:27:35 +01:00
sys_info.c sys_info: add a default kernel sys_info mask 2025-11-20 14:03:43 -08:00
syscall.c
test_bitmap.c bitmap: remove _check_eq_u32_array 2025-02-18 11:51:21 -05:00
test_bitops.c lib/test_bitops: Add benchmark test for fns() 2024-05-09 09:25:08 -07:00
test_bpf.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_context-analysis.c compiler-context-analysis: Remove __assume_ctx_lock from initializers 2026-01-28 20:45:25 +01:00
test_debug_virtual.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_dynamic_debug.c dyndbg: add missing MODULE_DESCRIPTION() macro 2024-06-04 17:40:02 +02:00
test_firmware.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_fpu_glue.c lib: fix the NULL vs IS_ERR() bug for debugfs_create_dir() 2024-09-01 20:43:40 -07:00
test_fpu_impl.c selftests/fpu: move FP code to a separate translation unit 2024-05-19 14:36:20 -07:00
test_fpu.h selftests/fpu: move FP code to a separate translation unit 2024-05-19 14:36:20 -07:00
test_free_pages.c KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko 2024-06-24 22:25:11 -07:00
test_hexdump.c KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko 2024-06-24 22:25:11 -07:00
test_hmm_uapi.h lib/test_hmm: add large page allocation failure testing 2025-11-24 15:08:48 -08:00
test_hmm.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_ida.c ida: Add ida_find_first_range() 2025-03-25 10:18:31 -03:00
test_kho.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_kmod.c lib/test_kmod: do not hardcode/depend on any filesystem 2025-05-11 17:54:09 -07:00
test_lockup.c
test_maple_tree.c Summary of significant series in this pull request: 2025-10-02 18:18:33 -07:00
test_memcat_p.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_meminit.c KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko 2024-06-24 22:25:11 -07:00
test_module.c KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko 2024-06-24 22:25:11 -07:00
test_objagg.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_objpool.c lib: test_objpool: Avoid direct access to hrtimer clockbase 2025-09-09 12:27:18 +02:00
test_parman.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_ref_tracker.c ref_tracker: eliminate the ref_tracker_dir name field 2025-06-19 17:02:04 -07:00
test_rhashtable.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_static_key_base.c KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko 2024-06-24 22:25:11 -07:00
test_static_keys.c KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko 2024-06-24 22:25:11 -07:00
test_sysctl.c sysctl: Close test ctl_headers with a for loop 2025-04-14 14:13:41 +02:00
test_ubsan.c ubsan: Fix panic from test_ubsan_out_of_bounds 2025-04-15 13:50:17 -07:00
test_vmalloc.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
test_xarray.c xarray: make xa_alloc_cyclic() return 0 on all success cases 2025-05-11 17:48:19 -07:00
test-kstrtox.c KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko 2024-06-24 22:25:11 -07:00
textsearch.c
timerqueue.c
trace_readwrite.c lib/trace_readwrite.c:: replace asm-generic/io with linux/io 2023-12-29 12:22:29 -08:00
ts_bm.c lib/ts: add missing MODULE_DESCRIPTION() macros 2024-06-24 22:25:04 -07:00
ts_fsm.c lib/ts: add missing MODULE_DESCRIPTION() macros 2024-06-24 22:25:04 -07:00
ts_kmp.c lib/ts: add missing MODULE_DESCRIPTION() macros 2024-06-24 22:25:04 -07:00
ubsan.c ubsan: Fix incorrect hand-side used in handle 2025-08-25 06:11:06 -07:00
ubsan.h ubsan/overflow: Rework integer overflow sanitizer option to turn on everything 2025-03-07 19:58:05 -08:00
ucmpdi2.c
ucs2_string.c ucs2_string: add module description 2025-04-11 17:32:38 -07:00
union_find.c Union-Find: add a new module in kernel library 2024-07-30 13:04:36 -10:00
usercopy.c uaccess: decouple INLINE_COPY_FROM_USER and CONFIG_RUST 2025-11-12 10:00:16 -08:00
uuid.c kernel.h: drop hex.h and update all hex.h users 2026-01-20 19:44:19 -08:00
vsprintf.c kernel.h: drop hex.h and update all hex.h users 2026-01-20 19:44:19 -08:00
win_minmax.c rxrpc: Generate rtt_min 2024-12-09 13:48:29 -08:00
xarray.c xarray: remove redundant __GFP_NOWARN 2025-09-13 16:54:46 -07:00
xxhash.c lib/xxhash: remove more unused xxh functions 2025-11-12 10:00:17 -08:00