[PATCH] kvm: SVM: Hack initial cpu csbase to be consistent with intel

This allows us to run the mmu testsuite on amd.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 6b4de4f6c08d..4fa50bd0dceb 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -528,7 +528,13 @@ static void init_vmcb(struct vmcb *vmcb)
         save->cs.attrib = SVM_SELECTOR_READ_MASK | SVM_SELECTOR_P_MASK |
                 SVM_SELECTOR_S_MASK | SVM_SELECTOR_CODE_MASK;
         save->cs.limit = 0xffff;
-        save->cs.base = 0xffff0000;
+        /*
+         * cs.base should really be 0xffff0000, but vmx can't handle that, so
+         * be consistent with it.
+         *
+         * Replace when we have real mode working for vmx.
+         */
+        save->cs.base = 0xf0000;
 
         save->gdtr.limit = 0xffff;
         save->idtr.limit = 0xffff;