| Message ID | 20250107-arm64-2024-dpisa-v5-0-7578da51fc3d@kernel.org (mailing list archive) |
|---|---|
| Headers | show |
| Series | arm64: Support 2024 dpISA extensions | expand |
On Tue, 07 Jan 2025 22:59:40 +0000, Mark Brown wrote: > The 2024 architecture release includes a number of data processing > extensions, mostly SVE and SME additions with a few others. These are > all very straightforward extensions which add instructions but no > architectural state so only need hwcaps and exposing of the ID registers > to KVM guests and userspace. > > > [...] Applied to arm64 (for-next/cpufeature), thanks! [1/5] arm64: Filter out SVE hwcaps when FEAT_SVE isn't implemented https://git.kernel.org/arm64/c/064737920bdb [2/5] arm64/sysreg: Update ID_AA64SMFR0_EL1 to DDI0601 2024-12 https://git.kernel.org/arm64/c/47e4717eb6fc [3/5] arm64/hwcap: Describe 2024 dpISA extensions to userspace https://git.kernel.org/arm64/c/819935464cb2 [4/5] KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1 https://git.kernel.org/arm64/c/fd22af17a458 [5/5] kselftest/arm64: Add 2024 dpISA extensions to hwcap test https://git.kernel.org/arm64/c/8600640d21cf Cheers,
The 2024 architecture release includes a number of data processing extensions, mostly SVE and SME additions with a few others. These are all very straightforward extensions which add instructions but no architectural state so only need hwcaps and exposing of the ID registers to KVM guests and userspace. Signed-off-by: Mark Brown <broonie@kernel.org> --- Changes in v5: - Rebase onto arm64/for-next/cpufeature, which incorporates most of the sysreg updates from earlier versions. - Remove SF8MM8 and SF8MM4 register defintitions which were removed from the ISA in the 2024-12 XML release, along with their associated hwcaps. - Incorporate Marc's fix for SVE hwcaps on SME only systems and update the hwcaps for the newly added features to follow the same pattern. - Link to v4: https://lore.kernel.org/r/20241211-arm64-2024-dpisa-v4-0-0fd403876df2@kernel.org Changes in v4: - Fix encodings for ID_AA64ISAR3_EL1. - Link to v3: https://lore.kernel.org/r/20241203-arm64-2024-dpisa-v3-0-a6c78b1aa297@kernel.org Changes in v3: - Commit log update for the hwcap test. - Link to v2: https://lore.kernel.org/r/20241030-arm64-2024-dpisa-v2-0-b6601a15d2a5@kernel.org Changes in v2: - Filter KVM guest visible bitfields in ID_AA64ISAR3_EL1 to only those we make writeable. - Link to v1: https://lore.kernel.org/r/20241028-arm64-2024-dpisa-v1-0-a38d08b008a8@kernel.org --- Marc Zyngier (1): arm64: Filter out SVE hwcaps when FEAT_SVE isn't implemented Mark Brown (4): arm64/sysreg: Update ID_AA64SMFR0_EL1 to DDI0601 2024-12 arm64/hwcap: Describe 2024 dpISA extensions to userspace KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1 kselftest/arm64: Add 2024 dpISA extensions to hwcap test Documentation/arch/arm64/elf_hwcaps.rst | 89 +++++++++-- arch/arm64/include/asm/hwcap.h | 15 ++ arch/arm64/include/uapi/asm/hwcap.h | 15 ++ arch/arm64/kernel/cpufeature.c | 71 +++++++-- arch/arm64/kernel/cpuinfo.c | 15 ++ arch/arm64/kvm/sys_regs.c | 6 +- arch/arm64/tools/sysreg | 26 +++- tools/testing/selftests/arm64/abi/hwcap.c | 235 +++++++++++++++++++++++++++++- 8 files changed, 441 insertions(+), 31 deletions(-) --- base-commit: d66e21d59ed0e043e68ef8c6541c1e9f1a962614 change-id: 20241008-arm64-2024-dpisa-8091074a7f48 Best regards,