diff options
author | Radim Krčmář <rkrcmar@redhat.com> | 2017-01-17 17:53:01 +0100 |
---|---|---|
committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-01-17 17:53:01 +0100 |
commit | a9ff720e0fee2f64c279e71c1bf86e93804295d2 (patch) | |
tree | c9d6a77274bcb90142aace2dd4a1c9808a191533 /arch/x86/include/asm/processor.h | |
parent | 21e7fbe7db2a983c046a05f12419d88c554a0f5a (diff) | |
parent | 06b35d93af0a5904aa832f58733be84ddbfe2e04 (diff) | |
download | talos-op-linux-a9ff720e0fee2f64c279e71c1bf86e93804295d2.tar.gz talos-op-linux-a9ff720e0fee2f64c279e71c1bf86e93804295d2.zip |
Merge branch 'x86/cpufeature' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
For AVX512_VPOPCNTDQ.
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r-- | arch/x86/include/asm/processor.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index eaf100508c36..1be64da0384e 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -219,6 +219,24 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, : "memory"); } +#define native_cpuid_reg(reg) \ +static inline unsigned int native_cpuid_##reg(unsigned int op) \ +{ \ + unsigned int eax = op, ebx, ecx = 0, edx; \ + \ + native_cpuid(&eax, &ebx, &ecx, &edx); \ + \ + return reg; \ +} + +/* + * Native CPUID functions returning a single datum. + */ +native_cpuid_reg(eax) +native_cpuid_reg(ebx) +native_cpuid_reg(ecx) +native_cpuid_reg(edx) + static inline void load_cr3(pgd_t *pgdir) { write_cr3(__pa(pgdir)); |