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authorIngo Molnar <mingo@elte.hu>2009-05-18 10:15:09 +0200
committerIngo Molnar <mingo@elte.hu>2009-05-18 10:15:35 +0200
commit1079cac0f4eb7d968395378b1625979d4c818dd6 (patch)
treed261058d95d27fe7250511d5fad69db30dc17731 /arch/x86/kvm/svm.c
parent5872144f64b34a5942f6b4acedc90b02de72c58b (diff)
parent1406de8e11eb043681297adf86d6892ff8efc27a (diff)
Merge commit 'v2.6.30-rc6' into tracing/core
Merge reason: we were on an -rc4 base, sync up to -rc6 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 1821c207819..1f8510c51d6 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -411,7 +411,6 @@ static __init int svm_hardware_setup(void)
iopm_va = page_address(iopm_pages);
memset(iopm_va, 0xff, PAGE_SIZE * (1 << IOPM_ALLOC_ORDER));
- clear_bit(0x80, iopm_va); /* allow direct access to PC debug port */
iopm_base = page_to_pfn(iopm_pages) << PAGE_SHIFT;
if (boot_cpu_has(X86_FEATURE_NX))
@@ -796,6 +795,11 @@ static void svm_get_segment(struct kvm_vcpu *vcpu,
var->db = (s->attrib >> SVM_SELECTOR_DB_SHIFT) & 1;
var->g = (s->attrib >> SVM_SELECTOR_G_SHIFT) & 1;
+ /* AMD's VMCB does not have an explicit unusable field, so emulate it
+ * for cross vendor migration purposes by "not present"
+ */
+ var->unusable = !var->present || (var->type == 0);
+
switch (seg) {
case VCPU_SREG_CS:
/*
@@ -827,8 +831,6 @@ static void svm_get_segment(struct kvm_vcpu *vcpu,
var->type |= 0x1;
break;
}
-
- var->unusable = !var->present;
}
static int svm_get_cpl(struct kvm_vcpu *vcpu)