[PATCH v5 06/12] arm64: Update name of ID_AA64ISAR0_EL1_ATOMIC to reflect ARM

Mark Brown broonie at kernel.org
Tue Apr 26 11:16:58 PDT 2022


The architecture reference manual refers to the field in bits 23:20 of
ID_AA64ISAR0_EL1 with the name "atomic" but the kernel defines for this
bitfield use the name "atomics". Bring the two into sync to make it easier
to cross reference with the specification.

Signed-off-by: Mark Brown <broonie at kernel.org>
---
 arch/arm64/include/asm/sysreg.h                | 2 +-
 arch/arm64/kernel/cpufeature.c                 | 6 +++---
 arch/arm64/kvm/hyp/include/nvhe/fixed_config.h | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 331e2521a81a..0bb259ec6ee8 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -749,7 +749,7 @@
 #define ID_AA64ISAR0_SM3_SHIFT		36
 #define ID_AA64ISAR0_SHA3_SHIFT		32
 #define ID_AA64ISAR0_RDM_SHIFT		28
-#define ID_AA64ISAR0_ATOMICS_SHIFT	20
+#define ID_AA64ISAR0_ATOMIC_SHIFT	20
 #define ID_AA64ISAR0_CRC32_SHIFT	16
 #define ID_AA64ISAR0_SHA2_SHIFT		12
 #define ID_AA64ISAR0_SHA1_SHIFT		8
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index d72c4b4d389c..18833fe6d148 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -200,7 +200,7 @@ static const struct arm64_ftr_bits ftr_id_aa64isar0[] = {
 	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_SM3_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_SHA3_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_RDM_SHIFT, 4, 0),
-	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_ATOMICS_SHIFT, 4, 0),
+	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_ATOMIC_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_CRC32_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_SHA2_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_SHA1_SHIFT, 4, 0),
@@ -2013,7 +2013,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
 		.type = ARM64_CPUCAP_SYSTEM_FEATURE,
 		.matches = has_cpuid_feature,
 		.sys_reg = SYS_ID_AA64ISAR0_EL1,
-		.field_pos = ID_AA64ISAR0_ATOMICS_SHIFT,
+		.field_pos = ID_AA64ISAR0_ATOMIC_SHIFT,
 		.field_width = 4,
 		.sign = FTR_UNSIGNED,
 		.min_field_value = 2,
@@ -2520,7 +2520,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
 	HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SHA2_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_SHA2),
 	HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SHA2_SHIFT, 4, FTR_UNSIGNED, 2, CAP_HWCAP, KERNEL_HWCAP_SHA512),
 	HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_CRC32_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_CRC32),
-	HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_ATOMICS_SHIFT, 4, FTR_UNSIGNED, 2, CAP_HWCAP, KERNEL_HWCAP_ATOMICS),
+	HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_ATOMIC_SHIFT, 4, FTR_UNSIGNED, 2, CAP_HWCAP, KERNEL_HWCAP_ATOMICS),
 	HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_RDM_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_ASIMDRDM),
 	HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SHA3_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_SHA3),
 	HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SM3_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_SM3),
diff --git a/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h b/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
index 5ad626527d41..63a114b9b2ed 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
@@ -163,7 +163,7 @@
 	ARM64_FEATURE_MASK(ID_AA64ISAR0_SHA1) | \
 	ARM64_FEATURE_MASK(ID_AA64ISAR0_SHA2) | \
 	ARM64_FEATURE_MASK(ID_AA64ISAR0_CRC32) | \
-	ARM64_FEATURE_MASK(ID_AA64ISAR0_ATOMICS) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_ATOMIC) | \
 	ARM64_FEATURE_MASK(ID_AA64ISAR0_RDM) | \
 	ARM64_FEATURE_MASK(ID_AA64ISAR0_SHA3) | \
 	ARM64_FEATURE_MASK(ID_AA64ISAR0_SM3) | \
-- 
2.30.2




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