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| author | Robin Murphy <robin.murphy@arm.com> | 2024-12-05 13:48:10 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2024-12-05 17:15:38 +0000 |
| commit | f00b53f1614f7be554fd28b9594ef4e63e2686c5 (patch) | |
| tree | ab8cea3d02173b350fa4c5a5cd5655cbcc8124b7 | |
| parent | 16d5306629c06ec2653c12794f344168a0eea809 (diff) | |
| download | lwn-f00b53f1614f7be554fd28b9594ef4e63e2686c5.tar.gz lwn-f00b53f1614f7be554fd28b9594ef4e63e2686c5.zip | |
arm64: cpufeature: Add GCS to cpucap_is_possible()
Since system_supports_gcs() ends up referring to cpucap_is_possible(),
teach the latter about GCS for consistency with similar features.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/416c7369fcdce4ebb2a8f12daae234507be27e38.1733406275.git.robin.murphy@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| -rw-r--r-- | arch/arm64/include/asm/cpucaps.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h index 201a46efd918..cbbf70e0f204 100644 --- a/arch/arm64/include/asm/cpucaps.h +++ b/arch/arm64/include/asm/cpucaps.h @@ -44,6 +44,8 @@ cpucap_is_possible(const unsigned int cap) return IS_ENABLED(CONFIG_ARM64_TLB_RANGE); case ARM64_HAS_S1POE: return IS_ENABLED(CONFIG_ARM64_POE); + case ARM64_HAS_GCS: + return IS_ENABLED(CONFIG_ARM64_GCS); case ARM64_UNMAP_KERNEL_AT_EL0: return IS_ENABLED(CONFIG_UNMAP_KERNEL_AT_EL0); case ARM64_WORKAROUND_843419: diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index b64e49bd9d10..8b4e5a3cd24c 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -847,8 +847,7 @@ static inline bool system_supports_poe(void) static inline bool system_supports_gcs(void) { - return IS_ENABLED(CONFIG_ARM64_GCS) && - alternative_has_cap_unlikely(ARM64_HAS_GCS); + return alternative_has_cap_unlikely(ARM64_HAS_GCS); } static inline bool system_supports_haft(void) |