diff options
| author | Eric Biggers <ebiggers@google.com> | 2025-04-13 08:43:50 -0700 |
|---|---|---|
| committer | Eric Biggers <ebiggers@google.com> | 2025-04-28 09:07:19 -0700 |
| commit | 7ef377c4d4abb7a2a74fc319dc1bce46f2449af7 (patch) | |
| tree | f1987e24ba30028dce419edb20a3133b127be67f /arch/arm/lib | |
| parent | Linux 6.15-rc2 (diff) | |
| download | linux-7ef377c4d4abb7a2a74fc319dc1bce46f2449af7.tar.gz linux-7ef377c4d4abb7a2a74fc319dc1bce46f2449af7.zip | |
lib/crc: make the CPU feature static keys __ro_after_init
All of the CRC library's CPU feature static_keys are initialized by
initcalls and never change afterwards, so there's no need for them to be
in the regular .data section. Put them in .data..ro_after_init instead.
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Heiko Carstens <hca@linux.ibm.com> # s390
Link: https://lore.kernel.org/r/20250413154350.10819-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/crc-t10dif-glue.c | 4 | ||||
| -rw-r--r-- | arch/arm/lib/crc32-glue.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/lib/crc-t10dif-glue.c b/arch/arm/lib/crc-t10dif-glue.c index 6efad3d78284..382437094bdd 100644 --- a/arch/arm/lib/crc-t10dif-glue.c +++ b/arch/arm/lib/crc-t10dif-glue.c @@ -16,8 +16,8 @@ #include <asm/neon.h> #include <asm/simd.h> -static DEFINE_STATIC_KEY_FALSE(have_neon); -static DEFINE_STATIC_KEY_FALSE(have_pmull); +static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon); +static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_pmull); #define CRC_T10DIF_PMULL_CHUNK_SIZE 16U diff --git a/arch/arm/lib/crc32-glue.c b/arch/arm/lib/crc32-glue.c index 4340351dbde8..7ef7db9c0de7 100644 --- a/arch/arm/lib/crc32-glue.c +++ b/arch/arm/lib/crc32-glue.c @@ -18,8 +18,8 @@ #include <asm/neon.h> #include <asm/simd.h> -static DEFINE_STATIC_KEY_FALSE(have_crc32); -static DEFINE_STATIC_KEY_FALSE(have_pmull); +static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32); +static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_pmull); #define PMULL_MIN_LEN 64 /* min size of buffer for pmull functions */ |