x86: add UMIP CR4 bit

It will be used later to remove duplicates in x86emul.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>

diff --git a/xen/include/asm-x86/x86-defns.h b/xen/include/asm-x86/x86-defns.h
index 48ea5ea03bd9655164f06362e113ed476172792e..70453e8dfb77ec9e85cccbc9d7788eaa0e6f4490 100644 (file)
--- a/xen/include/asm-x86/x86-defns.h
+++ b/xen/include/asm-x86/x86-defns.h
@@ -56,6 +56,7 @@
 #define X86_CR4_PCE        0x00000100 /* enable performance counters at ipl 3 */
 #define X86_CR4_OSFXSR     0x00000200 /* enable fast FPU save and restore */
 #define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */
+#define X86_CR4_UMIP       0x00000800 /* enable UMIP */
 #define X86_CR4_VMXE       0x00002000 /* enable VMX */
 #define X86_CR4_SMXE       0x00004000 /* enable SMX */
 #define X86_CR4_FSGSBASE   0x00010000 /* enable {rd,wr}{fs,gs}base */