From: Cao, Lei Date: Fri, 15 Jul 2016 13:54:04 +0000 (+0000) Subject: KVM: VMX: handle PML full VMEXIT that occurs during event delivery X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b244c9fc251e14a083a1cbf04bef10bd99303a76;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git KVM: VMX: handle PML full VMEXIT that occurs during event delivery With PML enabled, guest will shut down if a PML full VMEXIT occurs during event delivery. According to Intel SDM 27.2.3, PML full VMEXIT can occur when event is being delivered through IDT, so KVM should not exit to user space with error. Instead, it should let EXIT_REASON_PML_FULL go through and the event will be re-injected on the next VMENTRY. Signed-off-by: Lei Cao Cc: stable@vger.kernel.org Fixes: 843e4330573c ("KVM: VMX: Add PML support in VMX") [Shortened the summary and Cc'd stable.] Signed-off-by: Radim Krčmář --- diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 5bf203b58f58..7758680db20b 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8214,6 +8214,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) if ((vectoring_info & VECTORING_INFO_VALID_MASK) && (exit_reason != EXIT_REASON_EXCEPTION_NMI && exit_reason != EXIT_REASON_EPT_VIOLATION && + exit_reason != EXIT_REASON_PML_FULL && exit_reason != EXIT_REASON_TASK_SWITCH)) { vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_DELIVERY_EV;