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| author | Joey Gouly <joey.gouly@arm.com> | 2023-09-19 19:27:56 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2023-10-13 21:11:35 +0300 |
| commit | 338a835f40a849cd89b993e342bd9fbd5684825c (patch) | |
| tree | 6766e1508a0c5e4dcdf4c779c2a8d3a383f309a7 /arch/arm64/kernel/cpuinfo.c | |
| parent | 3accaef1f61e0c5531ae9e92ff0d66981cdf1516 (diff) | |
| download | linux-338a835f40a849cd89b993e342bd9fbd5684825c.tar.xz | |
arm64: add FEAT_LRCPC3 HWCAP
FEAT_LRCPC3 adds more instructions to support the Release Consistency model.
Add a HWCAP so that userspace can make decisions about instructions it can use.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20230919162757.2707023-2-joey.gouly@arm.com
[catalin.marinas@arm.com: change the HWCAP number]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/cpuinfo.c')
| -rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index ea2a31988103..0ba7e6cd8fee 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -128,6 +128,7 @@ static const char *const hwcap_str[] = { [KERNEL_HWCAP_MOPS] = "mops", [KERNEL_HWCAP_HBC] = "hbc", [KERNEL_HWCAP_SVE_B16B16] = "sveb16b16", + [KERNEL_HWCAP_LRCPC3] = "lrcpc3", }; #ifdef CONFIG_COMPAT |