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authorIngo Molnar <mingo@elte.hu>2012-03-05 03:20:08 -0500
committerIngo Molnar <mingo@elte.hu>2012-03-05 03:20:08 -0500
commit737f24bda723fdf89ecaacb99fa2bf5683c32799 (patch)
tree35495fff3e9956679cb5468e74e6814c8e44ee66 /arch/x86/kvm/x86.c
parent8eedce996556d7d06522cd3a0e6069141c8dffe0 (diff)
parentb7c924274c456499264d1cfa3d44063bb11eb5db (diff)
Merge branch 'perf/urgent' into perf/core
Conflicts: tools/perf/builtin-record.c tools/perf/builtin-top.c tools/perf/perf.h tools/perf/util/top.h Merge reason: resolve these cherry-picking conflicts. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 14d6cadc4ba6..9cbfc0698118 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1495,6 +1495,8 @@ static void record_steal_time(struct kvm_vcpu *vcpu)
1495 1495
1496int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) 1496int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
1497{ 1497{
1498 bool pr = false;
1499
1498 switch (msr) { 1500 switch (msr) {
1499 case MSR_EFER: 1501 case MSR_EFER:
1500 return set_efer(vcpu, data); 1502 return set_efer(vcpu, data);
@@ -1635,6 +1637,18 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
1635 pr_unimpl(vcpu, "unimplemented perfctr wrmsr: " 1637 pr_unimpl(vcpu, "unimplemented perfctr wrmsr: "
1636 "0x%x data 0x%llx\n", msr, data); 1638 "0x%x data 0x%llx\n", msr, data);
1637 break; 1639 break;
1640 case MSR_P6_PERFCTR0:
1641 case MSR_P6_PERFCTR1:
1642 pr = true;
1643 case MSR_P6_EVNTSEL0:
1644 case MSR_P6_EVNTSEL1:
1645 if (kvm_pmu_msr(vcpu, msr))
1646 return kvm_pmu_set_msr(vcpu, msr, data);
1647
1648 if (pr || data != 0)
1649 pr_unimpl(vcpu, "disabled perfctr wrmsr: "
1650 "0x%x data 0x%llx\n", msr, data);
1651 break;
1638 case MSR_K7_CLK_CTL: 1652 case MSR_K7_CLK_CTL:
1639 /* 1653 /*
1640 * Ignore all writes to this no longer documented MSR. 1654 * Ignore all writes to this no longer documented MSR.
@@ -1835,6 +1849,14 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
1835 case MSR_FAM10H_MMIO_CONF_BASE: 1849 case MSR_FAM10H_MMIO_CONF_BASE:
1836 data = 0; 1850 data = 0;
1837 break; 1851 break;
1852 case MSR_P6_PERFCTR0:
1853 case MSR_P6_PERFCTR1:
1854 case MSR_P6_EVNTSEL0:
1855 case MSR_P6_EVNTSEL1:
1856 if (kvm_pmu_msr(vcpu, msr))
1857 return kvm_pmu_get_msr(vcpu, msr, pdata);
1858 data = 0;
1859 break;
1838 case MSR_IA32_UCODE_REV: 1860 case MSR_IA32_UCODE_REV:
1839 data = 0x100000000ULL; 1861 data = 0x100000000ULL;
1840 break; 1862 break;
@@ -4180,6 +4202,28 @@ static int emulator_intercept(struct x86_emulate_ctxt *ctxt,
4180 return kvm_x86_ops->check_intercept(emul_to_vcpu(ctxt), info, stage); 4202 return kvm_x86_ops->check_intercept(emul_to_vcpu(ctxt), info, stage);
4181} 4203}
4182 4204
4205static bool emulator_get_cpuid(struct x86_emulate_ctxt *ctxt,
4206 u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
4207{
4208 struct kvm_cpuid_entry2 *cpuid = NULL;
4209
4210 if (eax && ecx)
4211 cpuid = kvm_find_cpuid_entry(emul_to_vcpu(ctxt),
4212 *eax, *ecx);
4213
4214 if (cpuid) {
4215 *eax = cpuid->eax;
4216 *ecx = cpuid->ecx;
4217 if (ebx)
4218 *ebx = cpuid->ebx;
4219 if (edx)
4220 *edx = cpuid->edx;
4221 return true;
4222 }
4223
4224 return false;
4225}
4226
4183static struct x86_emulate_ops emulate_ops = { 4227static struct x86_emulate_ops emulate_ops = {
4184 .read_std = kvm_read_guest_virt_system, 4228 .read_std = kvm_read_guest_virt_system,
4185 .write_std = kvm_write_guest_virt_system, 4229 .write_std = kvm_write_guest_virt_system,
@@ -4211,6 +4255,7 @@ static struct x86_emulate_ops emulate_ops = {
4211 .get_fpu = emulator_get_fpu, 4255 .get_fpu = emulator_get_fpu,
4212 .put_fpu = emulator_put_fpu, 4256 .put_fpu = emulator_put_fpu,
4213 .intercept = emulator_intercept, 4257 .intercept = emulator_intercept,
4258 .get_cpuid = emulator_get_cpuid,
4214}; 4259};
4215 4260
4216static void cache_all_regs(struct kvm_vcpu *vcpu) 4261static void cache_all_regs(struct kvm_vcpu *vcpu)