KAISER: Kernel Address Isolation

[pandora-kernel.git] / arch / x86 / include / asm / processor-flags.h

diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h
index a9e14a5..360e80d 100644 (file)
--- a/arch/x86/include/asm/processor-flags.h
+++ b/arch/x86/include/asm/processor-flags.h
@@ -43,6 +43,8 @@
  */
 #define X86_CR3_PWT    0x00000008 /* Page Write Through */
 #define X86_CR3_PCD    0x00000010 /* Page Cache Disable */
+#define X86_CR3_PCID_NOFLUSH_BIT 63 /* Preserve old PCID */
+#define X86_CR3_PCID_NOFLUSH (_AC(1,ULL) << X86_CR3_PCID_NOFLUSH_BIT)
 
 /*
  * Intel CPU features in CR4