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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-11-02 12:31:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-11-02 12:31:02 -0800 |
| commit | 7501a5332932b8758a28028ce2ed063aec912c87 (patch) | |
| tree | 0029d2a7c5b77cea6c5be64accaadd3267c5d8c9 /arch/x86/kvm/vmx.c | |
| parent | 7e05b807b93cc553bc2aa5ae8fac620cece34720 (diff) | |
| parent | a73896cb5bbdce672945745db8224352a689f580 (diff) | |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"A small set of x86 fixes. The most serious is an SRCU lockdep fix.
A bit late - needed some time to test the SRCU fix, which only came in
on Friday"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: vmx: defer load of APIC access page address during reset
KVM: nVMX: Disable preemption while reading from shadow VMCS
KVM: x86: Fix far-jump to non-canonical check
KVM: emulator: fix execution close to the segment limit
KVM: emulator: fix error code for __linearize
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a8b76c4c95e2..3e556c68351b 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4579,7 +4579,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu) vmcs_write32(TPR_THRESHOLD, 0); } - kvm_vcpu_reload_apic_access_page(vcpu); + kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu); if (vmx_vm_has_apicv(vcpu->kvm)) memset(&vmx->pi_desc, 0, sizeof(struct pi_desc)); @@ -6426,6 +6426,8 @@ static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx) const unsigned long *fields = shadow_read_write_fields; const int num_fields = max_shadow_read_write_fields; + preempt_disable(); + vmcs_load(shadow_vmcs); for (i = 0; i < num_fields; i++) { @@ -6449,6 +6451,8 @@ static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx) vmcs_clear(shadow_vmcs); vmcs_load(vmx->loaded_vmcs->vmcs); + + preempt_enable(); } static void copy_vmcs12_to_shadow(struct vcpu_vmx *vmx) |