From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Wed, 30 Apr 2008 15:59:04 +0000 (+0200)
Subject: KVM: Avoid spurious execeptions after setting registers
X-Git-Tag: v2.6.26-rc2~80^2~3
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=b4f14abd95cd8d42f08438f1c4ec3eafe41054ee

KVM: Avoid spurious execeptions after setting registers

Clear pending exceptions when setting new register values. This avoids
spurious exceptions after restoring a vcpu state or after
reset-on-triple-fault.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 017daa2..bc224bb 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3022,6 +3022,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 
 	kvm_x86_ops->decache_regs(vcpu);
 
+	vcpu->arch.exception.pending = false;
+
 	vcpu_put(vcpu);
 
 	return 0;