summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kernel/cpu/addon_cpuid_features.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index 7369b4c..03cf24a 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -14,6 +14,7 @@ struct cpuid_bit {
u8 reg;
u8 bit;
u32 level;
+ u32 sub_leaf;
};
enum cpuid_regs {
@@ -30,16 +31,16 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
const struct cpuid_bit *cb;
static const struct cpuid_bit __cpuinitconst cpuid_bits[] = {
- { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 },
- { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 },
- { X86_FEATURE_APERFMPERF, CR_ECX, 0, 0x00000006 },
- { X86_FEATURE_EPB, CR_ECX, 3, 0x00000006 },
- { X86_FEATURE_CPB, CR_EDX, 9, 0x80000007 },
- { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a },
- { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a },
- { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a },
- { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a },
- { 0, 0, 0, 0 }
+ { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006, 0 },
+ { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006, 0 },
+ { X86_FEATURE_APERFMPERF, CR_ECX, 0, 0x00000006, 0 },
+ { X86_FEATURE_EPB, CR_ECX, 3, 0x00000006, 0 },
+ { X86_FEATURE_CPB, CR_EDX, 9, 0x80000007, 0 },
+ { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a, 0 },
+ { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a, 0 },
+ { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a, 0 },
+ { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a, 0 },
+ { 0, 0, 0, 0, 0 }
};
for (cb = cpuid_bits; cb->feature; cb++) {
@@ -50,8 +51,8 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
max_level > (cb->level | 0xffff))
continue;
- cpuid(cb->level, &regs[CR_EAX], &regs[CR_EBX],
- &regs[CR_ECX], &regs[CR_EDX]);
+ cpuid_count(cb->level, cb->sub_leaf, &regs[CR_EAX],
+ &regs[CR_EBX], &regs[CR_ECX], &regs[CR_EDX]);
if (regs[cb->reg] & (1 << cb->bit))
set_cpu_cap(c, cb->feature);
OpenPOWER on IntegriCloud