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| author |   Dave Hansen <dave.hansen@linux.intel.com> | 2024-12-13 12:50:37 -0800 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2024-12-18 06:17:42 -0800 |
| commit | 754aaac3bbf13bdbbed9da94b56f371e90fd9c96 (patch) | |
| tree | 41f1c9db34d0ea488ab4bb35022eb8c723a28a1a /arch/x86/kernel | |
| parent | x86/tsc: Remove CPUID "frequency" leaf magic numbers. (diff) | |
| download | wireguard-linux-754aaac3bbf13bdbbed9da94b56f371e90fd9c96.tar.xz wireguard-linux-754aaac3bbf13bdbbed9da94b56f371e90fd9c96.zip | |
x86/fpu: Move CPUID leaf definitions to common code
Move the XSAVE-related CPUID leaf definitions to common code. Then,
use the new definition to remove the last magic number from the CPUID
level dependency table.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/all/20241213205037.43C57CDE%40davehans-spike.ostc.intel.com
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/fpu/xstate.c | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 5ffa1f4eac38..f5c33e155f98 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -639,7 +639,7 @@ static const struct cpuid_dependent_feature cpuid_dependent_features[] = { { X86_FEATURE_MWAIT, CPUID_MWAIT_LEAF }, { X86_FEATURE_DCA, CPUID_DCA_LEAF }, - { X86_FEATURE_XSAVE, 0x0000000d }, + { X86_FEATURE_XSAVE, XSTATE_CPUID }, { 0, 0 } }; diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 22abb5ee0cf2..bf38b3e75425 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -20,6 +20,7 @@ #include <asm/fpu/signal.h> #include <asm/fpu/xcr.h> +#include <asm/cpuid.h> #include <asm/tlbflush.h> #include <asm/prctl.h> #include <asm/elf.h> |