diff options
| author | Mark Brown <broonie@kernel.org> | 2022-04-19 12:22:16 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2022-04-22 18:50:49 +0100 |
| commit | 5e64b862c4823ab53aac028042abd918c2f27041 (patch) | |
| tree | 1d68a826820e18adfe236679f6f3a4f8b2336a9a /arch/arm64/include/asm/cpu.h | |
| parent | b2cf6a23289b3268cc7915a09c0c8372147b2727 (diff) | |
| download | linux-5e64b862c4823ab53aac028042abd918c2f27041.tar.gz | |
arm64/sme: Basic enumeration support
This patch introduces basic cpufeature support for discovering the presence
of the Scalable Matrix Extension.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419112247.711548-9-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/cpu.h')
| -rw-r--r-- | arch/arm64/include/asm/cpu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h index a58e366f0b07..d08062bcb9c1 100644 --- a/arch/arm64/include/asm/cpu.h +++ b/arch/arm64/include/asm/cpu.h @@ -58,6 +58,7 @@ struct cpuinfo_arm64 { u64 reg_id_aa64pfr0; u64 reg_id_aa64pfr1; u64 reg_id_aa64zfr0; + u64 reg_id_aa64smfr0; struct cpuinfo_32bit aarch32; |