[PATCH v8: 2/4] x86/elf: Use HWCAP2 to expose ring 3 MWAIT

Add HWCAP2 for x86 and reserve its bit 0 to expose ring 3 mwait. Signed-off-by: Grzegorz Andrejczuk --- arch/x86/include/asm/elf.h | 9 + arch/x86/include/uapi/asm/hwcap2.h | 7 +++ arch/x86/kernel/cpu/common.c | 3 +++ 3 files changed,

[PATCH v8: 2/4] x86/elf: Use HWCAP2 to expose ring 3 MWAIT

Add HWCAP2 for x86 and reserve its bit 0 to expose ring 3 mwait. Signed-off-by: Grzegorz Andrejczuk --- arch/x86/include/asm/elf.h | 9 + arch/x86/include/uapi/asm/hwcap2.h | 7 +++ arch/x86/kernel/cpu/common.c | 3 +++ 3 files changed, 19 insertions(+) create mode