[PATCH 2/2] arm64: cpufeature: Add GCS to cpucap_is_possible()

[Robin Murphy <robin.murphy@arm.com>]

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>
---
 arch/arm64/include/asm/cpucaps.h    | 2 ++
 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)
-- 
2.39.2.101.g768bb238c484.dirty