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arm64: cpufeature: Add GCS to cpucap_is_possible()

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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>
This commit is contained in:
Robin Murphy 2024-12-05 13:48:10 +00:00 committed by Catalin Marinas
parent 16d5306629
commit f00b53f161
2 changed files with 3 additions and 2 deletions
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2
arch/arm64/include/asm/cpucaps.h
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@ -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:

3
arch/arm64/include/asm/cpufeature.h
View File

@ -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)