[kvm-devel] [PATCH 7/11] KVM: SVM: Hack initial cpu csbase to be consistent with intel

[Avi K. <av...@qu...>]

This allows us to run the mmu testsuite on amd.

Signed-off-by: Avi Kivity <av...@qu...>

Index: linux-2.6/drivers/kvm/svm.c
===================================================================
--- linux-2.6.orig/drivers/kvm/svm.c
+++ linux-2.6/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;