x86, kvm: add new AMD SVM feature bits

The recently updated CPUID specification names new SVM feature bits.
Add them to the list of reported features.

Signed-off-by: Andre Przywara <andre.przywara@amd,com>
LKML-Reference: <1283778860-26843-5-git-send-email-andre.przywara@amd.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 341835d..bffeab7 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -183,6 +183,13 @@
 #define X86_FEATURE_LBRV       (8*32+ 6) /* AMD LBR Virtualization support */
 #define X86_FEATURE_SVML       (8*32+ 7) /* "svm_lock" AMD SVM locking MSR */
 #define X86_FEATURE_NRIPS      (8*32+ 8) /* "nrip_save" AMD SVM next_rip save */
+#define X86_FEATURE_TSCRATEMSR  (8*32+ 9) /* "tsc_scale" AMD TSC scaling support */
+#define X86_FEATURE_VMCBCLEAN   (8*32+10) /* "vmcb_clean" AMD VMCB clean bits support */
+#define X86_FEATURE_FLUSHBYASID (8*32+11) /* AMD flush-by-ASID support */
+#define X86_FEATURE_DECODEASSISTS (8*32+12) /* AMD Decode Assists support */
+#define X86_FEATURE_PAUSEFILTER (8*32+13) /* AMD filtered pause intercept */
+#define X86_FEATURE_PFTHRESHOLD (8*32+14) /* AMD pause filter threshold */
+
 
 /* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */
 #define X86_FEATURE_FSGSBASE   (9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/

diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 34b4dad..2c77931 100644 (file)
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -43,6 +43,12 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
                { X86_FEATURE_LBRV,             CR_EDX, 1, 0x8000000a, 0 },
                { X86_FEATURE_SVML,             CR_EDX, 2, 0x8000000a, 0 },
                { X86_FEATURE_NRIPS,            CR_EDX, 3, 0x8000000a, 0 },
+               { X86_FEATURE_TSCRATEMSR,       CR_EDX, 4, 0x8000000a, 0 },
+               { X86_FEATURE_VMCBCLEAN,        CR_EDX, 5, 0x8000000a, 0 },
+               { X86_FEATURE_FLUSHBYASID,      CR_EDX, 6, 0x8000000a, 0 },
+               { X86_FEATURE_DECODEASSISTS,    CR_EDX, 7, 0x8000000a, 0 },
+               { X86_FEATURE_PAUSEFILTER,      CR_EDX,10, 0x8000000a, 0 },
+               { X86_FEATURE_PFTHRESHOLD,      CR_EDX,12, 0x8000000a, 0 },
                { 0, 0, 0, 0, 0 }
        };