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authorTakashi Iwai <tiwai@suse.de>2012-09-05 07:17:31 (GMT)
committerTakashi Iwai <tiwai@suse.de>2012-09-05 07:17:31 (GMT)
commit14e42917216ab0859827c2d8024df45a917301b4 (patch)
treeefbea5d1c54387d62a6fd66a21560232cf312fda /arch/x86/kvm/vmx.c
parent292f2b6254c9dbb98def6d3521b07a837545ead0 (diff)
parent4266274836e81575ee82498d84f4bd08ab7a7378 (diff)
downloadlinux-fsl-qoriq-14e42917216ab0859827c2d8024df45a917301b4.tar.xz
Merge branch 'fixes' of git://git.alsa-project.org/alsa-kernel into for-next
Diffstat (limited to 'arch/x86/kvm/vmx.c')
-rw-r--r--arch/x86/kvm/vmx.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index c39b607..c00f03d 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1488,13 +1488,6 @@ static void __vmx_load_host_state(struct vcpu_vmx *vmx)
loadsegment(ds, vmx->host_state.ds_sel);
loadsegment(es, vmx->host_state.es_sel);
}
-#else
- /*
- * The sysexit path does not restore ds/es, so we must set them to
- * a reasonable value ourselves.
- */
- loadsegment(ds, __USER_DS);
- loadsegment(es, __USER_DS);
#endif
reload_tss();
#ifdef CONFIG_X86_64
@@ -6370,6 +6363,19 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
#endif
);
+#ifndef CONFIG_X86_64
+ /*
+ * The sysexit path does not restore ds/es, so we must set them to
+ * a reasonable value ourselves.
+ *
+ * We can't defer this to vmx_load_host_state() since that function
+ * may be executed in interrupt context, which saves and restore segments
+ * around it, nullifying its effect.
+ */
+ loadsegment(ds, __USER_DS);
+ loadsegment(es, __USER_DS);
+#endif
+
vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)
| (1 << VCPU_EXREG_RFLAGS)
| (1 << VCPU_EXREG_CPL)