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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 10:43:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 10:43:01 -0700
commit5e83f6fbdb020b70c0e413312801424d13c58d68 (patch)
treeca270178fa891813dbc47751c331fed975d3766c /arch/x86/kvm/kvm_cache_regs.h
parentfe445c6e2cb62a566e1a89f8798de11459975710 (diff)
parent3444d7da1839b851eefedd372978d8a982316c36 (diff)
Merge branch 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (198 commits) KVM: VMX: Fix host GDT.LIMIT corruption KVM: MMU: using __xchg_spte more smarter KVM: MMU: cleanup spte set and accssed/dirty tracking KVM: MMU: don't atomicly set spte if it's not present KVM: MMU: fix page dirty tracking lost while sync page KVM: MMU: fix broken page accessed tracking with ept enabled KVM: MMU: add missing reserved bits check in speculative path KVM: MMU: fix mmu notifier invalidate handler for huge spte KVM: x86 emulator: fix xchg instruction emulation KVM: x86: Call mask notifiers from pic KVM: x86: never re-execute instruction with enabled tdp KVM: Document KVM_GET_SUPPORTED_CPUID2 ioctl KVM: x86: emulator: inc/dec can have lock prefix KVM: MMU: Eliminate redundant temporaries in FNAME(fetch) KVM: MMU: Validate all gptes during fetch, not just those used for new pages KVM: MMU: Simplify spte fetch() function KVM: MMU: Add gpte_valid() helper KVM: MMU: Add validate_direct_spte() helper KVM: MMU: Add drop_large_spte() helper KVM: MMU: Use __set_spte to link shadow pages ...
Diffstat (limited to 'arch/x86/kvm/kvm_cache_regs.h')
-rw-r--r--arch/x86/kvm/kvm_cache_regs.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h
index cff851cf532..6491ac8e755 100644
--- a/arch/x86/kvm/kvm_cache_regs.h
+++ b/arch/x86/kvm/kvm_cache_regs.h
@@ -36,6 +36,8 @@ static inline void kvm_rip_write(struct kvm_vcpu *vcpu, unsigned long val)
static inline u64 kvm_pdptr_read(struct kvm_vcpu *vcpu, int index)
{
+ might_sleep(); /* on svm */
+
if (!test_bit(VCPU_EXREG_PDPTR,
(unsigned long *)&vcpu->arch.regs_avail))
kvm_x86_ops->cache_reg(vcpu, VCPU_EXREG_PDPTR);
@@ -69,4 +71,10 @@ static inline ulong kvm_read_cr4(struct kvm_vcpu *vcpu)
return kvm_read_cr4_bits(vcpu, ~0UL);
}
+static inline u64 kvm_read_edx_eax(struct kvm_vcpu *vcpu)
+{
+ return (kvm_register_read(vcpu, VCPU_REGS_RAX) & -1u)
+ | ((u64)(kvm_register_read(vcpu, VCPU_REGS_RDX) & -1u) << 32);
+}
+
#endif