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| author | Avi Kivity <avi@redhat.com> | 2009-12-29 19:07:30 +0300 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 18:35:50 +0300 |
| commit | 4d4ec0874583b127caac1d0f84033c8971b2fd2a (patch) | |
| tree | 2ed5d1edff6a5253561fff0593e89d1c49518b1b /arch/x86/kvm/kvm_cache_regs.h | |
| parent | a1f83a74feaa9718a5c61587256ea6cc1b993d16 (diff) | |
| download | linux-4d4ec0874583b127caac1d0f84033c8971b2fd2a.tar.xz | |
KVM: Replace read accesses of vcpu->arch.cr0 by an accessor
Since we'd like to allow the guest to own a few bits of cr0 at times, we need
to know when we access those bits.
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/kvm_cache_regs.h')
| -rw-r--r-- | arch/x86/kvm/kvm_cache_regs.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h index 35acc36e1782..f46859751b30 100644 --- a/arch/x86/kvm/kvm_cache_regs.h +++ b/arch/x86/kvm/kvm_cache_regs.h @@ -38,6 +38,16 @@ static inline u64 kvm_pdptr_read(struct kvm_vcpu *vcpu, int index) return vcpu->arch.pdptrs[index]; } +static inline ulong kvm_read_cr0_bits(struct kvm_vcpu *vcpu, ulong mask) +{ + return vcpu->arch.cr0 & mask; +} + +static inline ulong kvm_read_cr0(struct kvm_vcpu *vcpu) +{ + return kvm_read_cr0_bits(vcpu, ~0UL); +} + static inline ulong kvm_read_cr4_bits(struct kvm_vcpu *vcpu, ulong mask) { if (mask & vcpu->arch.cr4_guest_owned_bits) |