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-rw-r--r--arch/arm64/include/asm/hwcap.h1
-rw-r--r--arch/arm64/include/uapi/asm/hwcap.h1
-rw-r--r--arch/arm64/kernel/cpufeature.c1
-rw-r--r--arch/arm64/kernel/cpuinfo.c1
-rw-r--r--arch/arm64/tools/sysreg1
5 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h
index 1c65f10619a0..cd71e09ea14d 100644
--- a/arch/arm64/include/asm/hwcap.h
+++ b/arch/arm64/include/asm/hwcap.h
@@ -141,6 +141,7 @@
#define KERNEL_HWCAP_HBC __khwcap2_feature(HBC)
#define KERNEL_HWCAP_SVE_B16B16 __khwcap2_feature(SVE_B16B16)
#define KERNEL_HWCAP_LRCPC3 __khwcap2_feature(LRCPC3)
+#define KERNEL_HWCAP_LSE128 __khwcap2_feature(LSE128)
/*
* This yields a mask that user programs can use to figure out what
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h
index 0f37944e98b6..5023599fa278 100644
--- a/arch/arm64/include/uapi/asm/hwcap.h
+++ b/arch/arm64/include/uapi/asm/hwcap.h
@@ -106,5 +106,6 @@
#define HWCAP2_HBC (1UL << 44)
#define HWCAP2_SVE_B16B16 (1UL << 45)
#define HWCAP2_LRCPC3 (1UL << 46)
+#define HWCAP2_LSE128 (1UL << 47)
#endif /* _UAPI__ASM_HWCAP_H */
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index a83934291037..6b3ac96ef717 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -2789,6 +2789,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
HWCAP_CAP(ID_AA64ISAR0_EL1, SHA2, SHA512, CAP_HWCAP, KERNEL_HWCAP_SHA512),
HWCAP_CAP(ID_AA64ISAR0_EL1, CRC32, IMP, CAP_HWCAP, KERNEL_HWCAP_CRC32),
HWCAP_CAP(ID_AA64ISAR0_EL1, ATOMIC, IMP, CAP_HWCAP, KERNEL_HWCAP_ATOMICS),
+ HWCAP_CAP(ID_AA64ISAR0_EL1, ATOMIC, FEAT_LSE128, CAP_HWCAP, KERNEL_HWCAP_LSE128),
HWCAP_CAP(ID_AA64ISAR0_EL1, RDM, IMP, CAP_HWCAP, KERNEL_HWCAP_ASIMDRDM),
HWCAP_CAP(ID_AA64ISAR0_EL1, SHA3, IMP, CAP_HWCAP, KERNEL_HWCAP_SHA3),
HWCAP_CAP(ID_AA64ISAR0_EL1, SM3, IMP, CAP_HWCAP, KERNEL_HWCAP_SM3),
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 0ba7e6cd8fee..a257da7b56fe 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -129,6 +129,7 @@ static const char *const hwcap_str[] = {
[KERNEL_HWCAP_HBC] = "hbc",
[KERNEL_HWCAP_SVE_B16B16] = "sveb16b16",
[KERNEL_HWCAP_LRCPC3] = "lrcpc3",
+ [KERNEL_HWCAP_LSE128] = "lse128",
};
#ifdef CONFIG_COMPAT
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 4794556e67e9..96cbeeab4eec 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1239,6 +1239,7 @@ EndEnum
UnsignedEnum 23:20 ATOMIC
0b0000 NI
0b0010 IMP
+ 0b0011 FEAT_LSE128
EndEnum
UnsignedEnum 19:16 CRC32
0b0000 NI