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authorAnthony Liguori <aliguori@us.ibm.com>2013-01-02 08:01:54 -0600
committerAnthony Liguori <aliguori@us.ibm.com>2013-01-02 08:01:54 -0600
commit34daffa04886444dafd4a6951167225e824003d0 (patch)
tree82d512568e98edd86c7433be61f567bdf6a693f8 /target-i386/kvm.c
parent079944e695589364d19de31f27761c6bdea1c207 (diff)
parent0a2a59d35cbabf63c91340a1c62038e3e60538c1 (diff)
Merge remote-tracking branch 'qemu-kvm/uq/master' into staging
* qemu-kvm/uq/master: qemu-kvm/pci-assign: 64 bits bar emulation target-i386: Enabling IA32_TSC_ADJUST for QEMU KVM guest VMs Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'target-i386/kvm.c')
-rw-r--r--target-i386/kvm.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index b31eac1c91..3acff40c47 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -63,6 +63,7 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
static bool has_msr_star;
static bool has_msr_hsave_pa;
+static bool has_msr_tsc_adjust;
static bool has_msr_tsc_deadline;
static bool has_msr_async_pf_en;
static bool has_msr_pv_eoi_en;
@@ -683,6 +684,10 @@ static int kvm_get_supported_msrs(KVMState *s)
has_msr_hsave_pa = true;
continue;
}
+ if (kvm_msr_list->indices[i] == MSR_TSC_ADJUST) {
+ has_msr_tsc_adjust = true;
+ continue;
+ }
if (kvm_msr_list->indices[i] == MSR_IA32_TSCDEADLINE) {
has_msr_tsc_deadline = true;
continue;
@@ -1026,6 +1031,9 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
if (has_msr_hsave_pa) {
kvm_msr_entry_set(&msrs[n++], MSR_VM_HSAVE_PA, env->vm_hsave);
}
+ if (has_msr_tsc_adjust) {
+ kvm_msr_entry_set(&msrs[n++], MSR_TSC_ADJUST, env->tsc_adjust);
+ }
if (has_msr_tsc_deadline) {
kvm_msr_entry_set(&msrs[n++], MSR_IA32_TSCDEADLINE, env->tsc_deadline);
}
@@ -1291,6 +1299,9 @@ static int kvm_get_msrs(X86CPU *cpu)
if (has_msr_hsave_pa) {
msrs[n++].index = MSR_VM_HSAVE_PA;
}
+ if (has_msr_tsc_adjust) {
+ msrs[n++].index = MSR_TSC_ADJUST;
+ }
if (has_msr_tsc_deadline) {
msrs[n++].index = MSR_IA32_TSCDEADLINE;
}
@@ -1368,6 +1379,9 @@ static int kvm_get_msrs(X86CPU *cpu)
case MSR_IA32_TSC:
env->tsc = msrs[i].data;
break;
+ case MSR_TSC_ADJUST:
+ env->tsc_adjust = msrs[i].data;
+ break;
case MSR_IA32_TSCDEADLINE:
env->tsc_deadline = msrs[i].data;
break;