diff mbox series

[4/9] arm64/cpufeature: Simplify detect PE support for FEAT_NMI

Message ID 20240409012344.3194724-5-liaochang1@huawei.com (mailing list archive)
State New, archived
Headers show
Series Rework the DAIF mask, unmask and track API | expand

Commit Message

Liao Chang April 9, 2024, 1:23 a.m. UTC 
From: Jinjie Ruan <ruanjinjie@huawei.com>

Simplify the Non-maskable Interrupts feature implementation with
ARM64_CPUID_FIELDS macro.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
---
 arch/arm64/kernel/cpufeature.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index fb9e52c84fda..99c3bc74008d 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -2905,24 +2905,16 @@  static const struct arm64_cpu_capabilities arm64_features[] = {
 		.desc = "Non-maskable Interrupts present",
 		.capability = ARM64_HAS_NMI,
 		.type = ARM64_CPUCAP_BOOT_CPU_FEATURE,
-		.sys_reg = SYS_ID_AA64PFR1_EL1,
-		.sign = FTR_UNSIGNED,
-		.field_pos = ID_AA64PFR1_EL1_NMI_SHIFT,
-		.field_width = 4,
-		.min_field_value = ID_AA64PFR1_EL1_NMI_IMP,
 		.matches = has_cpuid_feature,
+		ARM64_CPUID_FIELDS(ID_AA64PFR1_EL1, NMI, IMP)
 	},
 	{
 		.desc = "Non-maskable Interrupts enabled",
 		.capability = ARM64_USES_NMI,
 		.type = ARM64_CPUCAP_BOOT_CPU_FEATURE,
-		.sys_reg = SYS_ID_AA64PFR1_EL1,
-		.sign = FTR_UNSIGNED,
-		.field_pos = ID_AA64PFR1_EL1_NMI_SHIFT,
-		.field_width = 4,
-		.min_field_value = ID_AA64PFR1_EL1_NMI_IMP,
 		.matches = use_nmi,
 		.cpu_enable = nmi_enable,
+		ARM64_CPUID_FIELDS(ID_AA64PFR1_EL1, NMI, IMP)
 	},
 #endif
 	{},