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authorMarcelo Tosatti <mtosatti@redhat.com>2008-07-19 19:08:07 -0300
committerAvi Kivity <avi@qumranet.com>2008-07-27 11:34:10 +0300
commitc93cd3a58845012df2d658fecd0ac99f7008d753 (patch)
tree420d979c7f9b9621574fef1f94de0bc76d8e59e1 /arch
parent577bdc496614ced56d999bbb425e85adf2386490 (diff)
downloadblackbird-op-linux-c93cd3a58845012df2d658fecd0ac99f7008d753.tar.gz
blackbird-op-linux-c93cd3a58845012df2d658fecd0ac99f7008d753.zip
KVM: task switch: translate guest segment limit to virt-extension byte granular field
If 'g' is one then limit is 4kb granular. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/x86.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 27c6ece91da6..5916191420c7 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3184,6 +3184,10 @@ static void seg_desct_to_kvm_desct(struct desc_struct *seg_desc, u16 selector,
kvm_desct->base |= seg_desc->base2 << 24;
kvm_desct->limit = seg_desc->limit0;
kvm_desct->limit |= seg_desc->limit << 16;
+ if (seg_desc->g) {
+ kvm_desct->limit <<= 12;
+ kvm_desct->limit |= 0xfff;
+ }
kvm_desct->selector = selector;
kvm_desct->type = seg_desc->type;
kvm_desct->present = seg_desc->p;
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