| Message ID | 20250212-arm64-fix-2024-dpisa-v2-1-67a1c11d6001@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] arm64: Add missing registrations of hwcaps | expand |
On Wed, Feb 12, 2025 at 12:30:42AM +0000, Mark Brown wrote: > Commit 819935464cb2 ("arm64/hwcap: Describe 2024 dpISA extensions to > userspace") added definitions for HWCAP_FPRCVT, HWCAP_F8MM8 and > HWCAP_F8MM4 but did not include the crucial registration in > arm64_elf_hwcaps. Add it. > > Fixes: 819935464cb2 ("arm64/hwcap: Describe 2024 dpISA extensions to userspace") > Reported-by: Mark Rutland <mark.rutland@arm.com> > Signed-off-by: Mark Brown <broonie@kernel.org> Thanks for the respin. Acked-by: Mark Rutland <mark.rutland@arm.com> Mark. > --- > Changes in v2: > - Add FPRCVT. > - Link to v1: https://lore.kernel.org/r/20250210-arm64-fix-2024-dpisa-v1-1-d77f43c7b253@kernel.org > --- > arch/arm64/kernel/cpufeature.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c > index f0910f20fbf8c18fbeb63bcee18abf13371b1d5e..d561cf3b8ac7b11784282dc889852ef52a7b8f6e 100644 > --- a/arch/arm64/kernel/cpufeature.c > +++ b/arch/arm64/kernel/cpufeature.c > @@ -3091,6 +3091,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = { > HWCAP_CAP(ID_AA64ISAR0_EL1, TS, FLAGM, CAP_HWCAP, KERNEL_HWCAP_FLAGM), > HWCAP_CAP(ID_AA64ISAR0_EL1, TS, FLAGM2, CAP_HWCAP, KERNEL_HWCAP_FLAGM2), > HWCAP_CAP(ID_AA64ISAR0_EL1, RNDR, IMP, CAP_HWCAP, KERNEL_HWCAP_RNG), > + HWCAP_CAP(ID_AA64ISAR3_EL1, FPRCVT, IMP, CAP_HWCAP, KERNEL_HWCAP_FPRCVT), > HWCAP_CAP(ID_AA64PFR0_EL1, FP, IMP, CAP_HWCAP, KERNEL_HWCAP_FP), > HWCAP_CAP(ID_AA64PFR0_EL1, FP, FP16, CAP_HWCAP, KERNEL_HWCAP_FPHP), > HWCAP_CAP(ID_AA64PFR0_EL1, AdvSIMD, IMP, CAP_HWCAP, KERNEL_HWCAP_ASIMD), > @@ -3190,6 +3191,8 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = { > HWCAP_CAP(ID_AA64FPFR0_EL1, F8FMA, IMP, CAP_HWCAP, KERNEL_HWCAP_F8FMA), > HWCAP_CAP(ID_AA64FPFR0_EL1, F8DP4, IMP, CAP_HWCAP, KERNEL_HWCAP_F8DP4), > HWCAP_CAP(ID_AA64FPFR0_EL1, F8DP2, IMP, CAP_HWCAP, KERNEL_HWCAP_F8DP2), > + HWCAP_CAP(ID_AA64FPFR0_EL1, F8MM8, IMP, CAP_HWCAP, KERNEL_HWCAP_F8MM8), > + HWCAP_CAP(ID_AA64FPFR0_EL1, F8MM4, IMP, CAP_HWCAP, KERNEL_HWCAP_F8MM4), > HWCAP_CAP(ID_AA64FPFR0_EL1, F8E4M3, IMP, CAP_HWCAP, KERNEL_HWCAP_F8E4M3), > HWCAP_CAP(ID_AA64FPFR0_EL1, F8E5M2, IMP, CAP_HWCAP, KERNEL_HWCAP_F8E5M2), > #ifdef CONFIG_ARM64_POE > > --- > base-commit: 21fed7c223e20e694b91dbf25936d922a50c8b19 > change-id: 20250207-arm64-fix-2024-dpisa-635a5961609c > > Best regards, > -- > Mark Brown <broonie@kernel.org> >
On Wed, 12 Feb 2025 00:30:42 +0000, Mark Brown wrote: > Commit 819935464cb2 ("arm64/hwcap: Describe 2024 dpISA extensions to > userspace") added definitions for HWCAP_FPRCVT, HWCAP_F8MM8 and > HWCAP_F8MM4 but did not include the crucial registration in > arm64_elf_hwcaps. Add it. > > Applied to arm64 (for-next/fixes), thanks! [1/1] arm64: Add missing registrations of hwcaps https://git.kernel.org/arm64/c/a4cc8494f1d8 Cheers,
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index f0910f20fbf8c18fbeb63bcee18abf13371b1d5e..d561cf3b8ac7b11784282dc889852ef52a7b8f6e 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -3091,6 +3091,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = { HWCAP_CAP(ID_AA64ISAR0_EL1, TS, FLAGM, CAP_HWCAP, KERNEL_HWCAP_FLAGM), HWCAP_CAP(ID_AA64ISAR0_EL1, TS, FLAGM2, CAP_HWCAP, KERNEL_HWCAP_FLAGM2), HWCAP_CAP(ID_AA64ISAR0_EL1, RNDR, IMP, CAP_HWCAP, KERNEL_HWCAP_RNG), + HWCAP_CAP(ID_AA64ISAR3_EL1, FPRCVT, IMP, CAP_HWCAP, KERNEL_HWCAP_FPRCVT), HWCAP_CAP(ID_AA64PFR0_EL1, FP, IMP, CAP_HWCAP, KERNEL_HWCAP_FP), HWCAP_CAP(ID_AA64PFR0_EL1, FP, FP16, CAP_HWCAP, KERNEL_HWCAP_FPHP), HWCAP_CAP(ID_AA64PFR0_EL1, AdvSIMD, IMP, CAP_HWCAP, KERNEL_HWCAP_ASIMD), @@ -3190,6 +3191,8 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = { HWCAP_CAP(ID_AA64FPFR0_EL1, F8FMA, IMP, CAP_HWCAP, KERNEL_HWCAP_F8FMA), HWCAP_CAP(ID_AA64FPFR0_EL1, F8DP4, IMP, CAP_HWCAP, KERNEL_HWCAP_F8DP4), HWCAP_CAP(ID_AA64FPFR0_EL1, F8DP2, IMP, CAP_HWCAP, KERNEL_HWCAP_F8DP2), + HWCAP_CAP(ID_AA64FPFR0_EL1, F8MM8, IMP, CAP_HWCAP, KERNEL_HWCAP_F8MM8), + HWCAP_CAP(ID_AA64FPFR0_EL1, F8MM4, IMP, CAP_HWCAP, KERNEL_HWCAP_F8MM4), HWCAP_CAP(ID_AA64FPFR0_EL1, F8E4M3, IMP, CAP_HWCAP, KERNEL_HWCAP_F8E4M3), HWCAP_CAP(ID_AA64FPFR0_EL1, F8E5M2, IMP, CAP_HWCAP, KERNEL_HWCAP_F8E5M2), #ifdef CONFIG_ARM64_POE
Commit 819935464cb2 ("arm64/hwcap: Describe 2024 dpISA extensions to userspace") added definitions for HWCAP_FPRCVT, HWCAP_F8MM8 and HWCAP_F8MM4 but did not include the crucial registration in arm64_elf_hwcaps. Add it. Fixes: 819935464cb2 ("arm64/hwcap: Describe 2024 dpISA extensions to userspace") Reported-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Mark Brown <broonie@kernel.org> --- Changes in v2: - Add FPRCVT. - Link to v1: https://lore.kernel.org/r/20250210-arm64-fix-2024-dpisa-v1-1-d77f43c7b253@kernel.org --- arch/arm64/kernel/cpufeature.c | 3 +++ 1 file changed, 3 insertions(+) --- base-commit: 21fed7c223e20e694b91dbf25936d922a50c8b19 change-id: 20250207-arm64-fix-2024-dpisa-635a5961609c Best regards,