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| author | Zachary Amsden <zamsden@redhat.com> | 2010-08-20 10:07:23 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:51:23 +0200 |
| commit | e48672fa25e879f7ae21785c7efd187738139593 (patch) | |
| tree | bec27bad04ba6e933e72439cc565d2c752a31928 /arch/x86/include/asm/kvm_host.h | |
| parent | KVM: x86: Warn about unstable TSC (diff) | |
| download | linux-e48672fa25e879f7ae21785c7efd187738139593.tar.xz linux-e48672fa25e879f7ae21785c7efd187738139593.zip | |
KVM: x86: Unify TSC logic
Move the TSC control logic from the vendor backends into x86.c
by adding adjust_tsc_offset to x86 ops. Now all TSC decisions
can be done in one place.
Signed-off-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 57b4394491ec..5ab1c3fb34ef 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -255,7 +255,6 @@ struct kvm_mmu { }; struct kvm_vcpu_arch { - u64 host_tsc; /* * rip and regs accesses must go through * kvm_{register,rip}_{read,write} functions. @@ -336,9 +335,10 @@ struct kvm_vcpu_arch { gpa_t time; struct pvclock_vcpu_time_info hv_clock; - unsigned int hv_clock_tsc_khz; + unsigned int hw_tsc_khz; unsigned int time_offset; struct page *time_page; + u64 last_host_tsc; bool nmi_pending; bool nmi_injected; @@ -520,6 +520,7 @@ struct kvm_x86_ops { u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio); int (*get_lpage_level)(void); bool (*rdtscp_supported)(void); + void (*adjust_tsc_offset)(struct kvm_vcpu *vcpu, s64 adjustment); void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry); |