From: Avi Kivity <avi@qumranet.com>
Date: Mon, 12 Feb 2007 08:54:38 +0000 (-0800)
Subject: [PATCH] kvm: SVM: Hack initial cpu csbase to be consistent with intel
X-Git-Tag: v2.6.21-rc1~274^2~57
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d92899a0014aa795c21d3cf726ef5ff7684399f4;p=linux-2.6

[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>
---

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 6b4de4f6c0..4fa50bd0dc 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;