Displaying 2 results from an estimated 2 matches for "x86_feature_topoext".
2011 May 30
6
[PATCH] CPUID level 0x00000007:0 (ebx) is word 9, instead of word 7
...istent with native Linux.
Signed-off-by: Li Xin <xin.li@intel.com>
diff -r d7c755c25bb9 xen/include/asm-x86/cpufeature.h
--- a/xen/include/asm-x86/cpufeature.h Sat May 28 08:58:08 2011 +0100
+++ b/xen/include/asm-x86/cpufeature.h Tue May 31 07:34:34 2011 +0800
@@ -142,7 +142,7 @@
#define X86_FEATURE_TOPOEXT (6*32+22) /* topology extensions CPUID leafs */
/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */
-#define X86_FEATURE_FSGSBASE (7*32+ 0) /* {RD,WR}{FS,GS}BASE instructions */
+#define X86_FEATURE_FSGSBASE (9*32+ 0) /* {RD,WR}{FS,GS}BASE instructions */
#define cp...
2011 May 18
1
Re: [PATCH] x86: clear CPUID output of leaf 0xd for Dom0 when xs
...pective bit in sub-leaf 0 is getting
cleared.)
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -836,6 +836,10 @@ static void pv_cpuid(struct cpu_user_reg
__clear_bit(X86_FEATURE_NODEID_MSR % 32, &c);
__clear_bit(X86_FEATURE_TOPOEXT % 32, &c);
break;
+ case 0xd: /* XSAVE */
+ if ( xsave_enabled(current) )
+ break;
+ /* fall through */
case 5: /* MONITOR/MWAIT */
case 0xa: /* Architectural Performance Monitor Features */
case 0x8000000a: /* SVM revision and features */...