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authorJaswinder Singh Rajput <jaswinder@kernel.org>2009-05-15 09:12:05 -0400
committerAvi Kivity <avi@redhat.com>2009-09-10 01:32:38 -0400
commitaf24a4e4aec77ef16c1971cf4465f767ba946034 (patch)
treee879b6a272affd8af9e26d008d9af7050921d69e
parentae0bb3e011fec51fa67073d8e23d8ffeb36185d1 (diff)
KVM: Replace MSR_IA32_TIME_STAMP_COUNTER with MSR_IA32_TSC of msr-index.h
Use standard msr-index.h's MSR declaration. MSR_IA32_TSC is better than MSR_IA32_TIME_STAMP_COUNTER as it also solves 80 column issue. Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/x86/include/asm/kvm_host.h2
-rw-r--r--arch/x86/kvm/svm.c4
-rw-r--r--arch/x86/kvm/vmx.c4
-rw-r--r--arch/x86/kvm/x86.c5
4 files changed, 6 insertions, 9 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index eabdc1cfab5c..79561752af97 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -752,8 +752,6 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
752 kvm_queue_exception_e(vcpu, GP_VECTOR, error_code); 752 kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
753} 753}
754 754
755#define MSR_IA32_TIME_STAMP_COUNTER 0x010
756
757#define TSS_IOPB_BASE_OFFSET 0x66 755#define TSS_IOPB_BASE_OFFSET 0x66
758#define TSS_BASE_SIZE 0x68 756#define TSS_BASE_SIZE 0x68
759#define TSS_IOPB_SIZE (65536 / 8) 757#define TSS_IOPB_SIZE (65536 / 8)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index b1f658ad2f06..48b22c9892d8 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1953,7 +1953,7 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
1953 struct vcpu_svm *svm = to_svm(vcpu); 1953 struct vcpu_svm *svm = to_svm(vcpu);
1954 1954
1955 switch (ecx) { 1955 switch (ecx) {
1956 case MSR_IA32_TIME_STAMP_COUNTER: { 1956 case MSR_IA32_TSC: {
1957 u64 tsc; 1957 u64 tsc;
1958 1958
1959 rdtscll(tsc); 1959 rdtscll(tsc);
@@ -2043,7 +2043,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
2043 struct vcpu_svm *svm = to_svm(vcpu); 2043 struct vcpu_svm *svm = to_svm(vcpu);
2044 2044
2045 switch (ecx) { 2045 switch (ecx) {
2046 case MSR_IA32_TIME_STAMP_COUNTER: { 2046 case MSR_IA32_TSC: {
2047 u64 tsc; 2047 u64 tsc;
2048 2048
2049 rdtscll(tsc); 2049 rdtscll(tsc);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index db0b8b6df198..c87c93fd129a 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -941,7 +941,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata)
941 case MSR_EFER: 941 case MSR_EFER:
942 return kvm_get_msr_common(vcpu, msr_index, pdata); 942 return kvm_get_msr_common(vcpu, msr_index, pdata);
943#endif 943#endif
944 case MSR_IA32_TIME_STAMP_COUNTER: 944 case MSR_IA32_TSC:
945 data = guest_read_tsc(); 945 data = guest_read_tsc();
946 break; 946 break;
947 case MSR_IA32_SYSENTER_CS: 947 case MSR_IA32_SYSENTER_CS:
@@ -1001,7 +1001,7 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data)
1001 case MSR_IA32_SYSENTER_ESP: 1001 case MSR_IA32_SYSENTER_ESP:
1002 vmcs_writel(GUEST_SYSENTER_ESP, data); 1002 vmcs_writel(GUEST_SYSENTER_ESP, data);
1003 break; 1003 break;
1004 case MSR_IA32_TIME_STAMP_COUNTER: 1004 case MSR_IA32_TSC:
1005 rdtscll(host_tsc); 1005 rdtscll(host_tsc);
1006 guest_write_tsc(data, host_tsc); 1006 guest_write_tsc(data, host_tsc);
1007 break; 1007 break;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3d4529011828..6d46079a901c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -466,7 +466,7 @@ static u32 msrs_to_save[] = {
466#ifdef CONFIG_X86_64 466#ifdef CONFIG_X86_64
467 MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, 467 MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR,
468#endif 468#endif
469 MSR_IA32_TIME_STAMP_COUNTER, MSR_KVM_SYSTEM_TIME, MSR_KVM_WALL_CLOCK, 469 MSR_IA32_TSC, MSR_KVM_SYSTEM_TIME, MSR_KVM_WALL_CLOCK,
470 MSR_IA32_PERF_STATUS, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA 470 MSR_IA32_PERF_STATUS, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA
471}; 471};
472 472
@@ -644,8 +644,7 @@ static void kvm_write_guest_time(struct kvm_vcpu *v)
644 644
645 /* Keep irq disabled to prevent changes to the clock */ 645 /* Keep irq disabled to prevent changes to the clock */
646 local_irq_save(flags); 646 local_irq_save(flags);
647 kvm_get_msr(v, MSR_IA32_TIME_STAMP_COUNTER, 647 kvm_get_msr(v, MSR_IA32_TSC, &vcpu->hv_clock.tsc_timestamp);
648 &vcpu->hv_clock.tsc_timestamp);
649 ktime_get_ts(&ts); 648 ktime_get_ts(&ts);
650 local_irq_restore(flags); 649 local_irq_restore(flags);
651 650