diff options
-rw-r--r-- | arch/arm64/include/asm/hwcap.h | 1 | ||||
-rw-r--r-- | arch/arm64/kernel/cpufeature.c | 3 | ||||
-rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 1 |
3 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h index 268aa0e5ec06..da7687efd1ae 100644 --- a/arch/arm64/include/asm/hwcap.h +++ b/arch/arm64/include/asm/hwcap.h @@ -36,6 +36,7 @@ #define COMPAT_HWCAP_ASIMDDP (1 << 24) #define COMPAT_HWCAP_ASIMDFHM (1 << 25) #define COMPAT_HWCAP_ASIMDBF16 (1 << 26) +#define COMPAT_HWCAP_I8MM (1 << 27) #define COMPAT_HWCAP2_AES (1 << 0) #define COMPAT_HWCAP2_PMULL (1 << 1) diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 1533107a7ad5..46998bbba6ff 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -529,7 +529,7 @@ static const struct arm64_ftr_bits ftr_id_mmfr5[] = { }; static const struct arm64_ftr_bits ftr_id_isar6[] = { - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR6_EL1_I8MM_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR6_EL1_I8MM_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR6_EL1_BF16_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR6_EL1_SPECRES_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR6_EL1_SB_SHIFT, 4, 0), @@ -2876,6 +2876,7 @@ static const struct arm64_cpu_capabilities compat_elf_hwcaps[] = { HWCAP_CAP(SYS_ID_ISAR6_EL1, ID_ISAR6_EL1_DP_SHIFT, 4, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP, COMPAT_HWCAP_ASIMDDP), HWCAP_CAP(SYS_ID_ISAR6_EL1, ID_ISAR6_EL1_FHM_SHIFT, 4, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP, COMPAT_HWCAP_ASIMDFHM), HWCAP_CAP(SYS_ID_ISAR6_EL1, ID_ISAR6_EL1_BF16_SHIFT, 4, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP, COMPAT_HWCAP_ASIMDBF16), + HWCAP_CAP(SYS_ID_ISAR6_EL1, ID_ISAR6_EL1_I8MM_SHIFT, 4, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP, COMPAT_HWCAP_I8MM), #endif {}, }; diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 50cfd808b80c..2af73bc14775 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -151,6 +151,7 @@ static const char *const compat_hwcap_str[] = { [COMPAT_KERNEL_HWCAP(ASIMDDP)] = "asimddp", [COMPAT_KERNEL_HWCAP(ASIMDFHM)] = "asimdfhm", [COMPAT_KERNEL_HWCAP(ASIMDBF16)] = "asimdbf16", + [COMPAT_KERNEL_HWCAP(I8MM)] = "i8mm", }; #define COMPAT_KERNEL_HWCAP2(x) const_ilog2(COMPAT_HWCAP2_ ## x) |