[PATCH] kvm: SVM: Hack initial cpu csbase to be consistent with intel
Avi Kivity [Mon, 12 Feb 2007 08:54:38 +0000 (00:54 -0800)]
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>

drivers/kvm/svm.c

index 6b4de4f..4fa50bd 100644 (file)
@@ -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;