Messages in this thread Patch in this message |  | | | From | "Fenghua Yu" <> | | Subject | [PATCH v3 2/4] x86, cpu: Add SMEP CPU feature in CR4 | | Date | Tue, 17 May 2011 18:44:27 -0700 |
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From: Fenghua Yu <fenghua.yu@intel.com>
Add support for newly documented SMEP (Supervisor Mode Execution Protection) CPU feature in CR4.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> --- arch/x86/include/asm/processor-flags.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h index a898a2b..59ab4df 100644 --- a/arch/x86/include/asm/processor-flags.h +++ b/arch/x86/include/asm/processor-flags.h @@ -60,6 +60,7 @@ #define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */ #define X86_CR4_VMXE 0x00002000 /* enable VMX virtualization */ #define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */ +#define X86_CR4_SMEP 0x00100000 /* enable SMEP support */ /* * x86-64 Task Priority Register, CR8 -- 1.7.2
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