[03/45] KVM: x86: Free wbinvd_dirty_mask if vCPU creation fails
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Message ID 20191022015925.31916-4-sean.j.christopherson@intel.com
State New
Headers show
  • KVM: Refactor vCPU creation
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Commit Message

Sean Christopherson Oct. 22, 2019, 1:58 a.m. UTC
Free the vCPU's wbinvd_dirty_mask if vCPU creation fails after
kvm_arch_vcpu_init(), e.g. when installing the vCPU's file descriptor.
Do the freeing by calling kvm_arch_vcpu_free() instead of open coding
the freeing.  This adds a likely superfluous, but ultimately harmless,
call to kvmclock_reset(), which only clears vcpu->arch.pv_time_enabled.
Using kvm_arch_vcpu_free() allows for additional cleanup in the future.

Fixes: f5f48ee15c2ee ("KVM: VMX: Execute WBINVD to keep data consistency with assigned devices")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
 arch/x86/kvm/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f26f8be4e621..c9a291693279 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9083,7 +9083,7 @@  void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
-	kvm_x86_ops->vcpu_free(vcpu);
+	kvm_arch_vcpu_free(vcpu);
 void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)