[PATCH] KVM SVM: intercept SMI to handle it at host level

From: Joerg Roedel
Date: Fri Feb 16 2007 - 10:10:11 EST


From: Joerg Roedel <joerg.roedel@xxxxxxx>

This patch changes the SVM code to intercept SMIs and handle it
outside the guest.

Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>

--
Joerg Roedel
Operating System Research Center
AMD Saxony LLC & Co. KG
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 83da4ea..f3ec1cb 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -485,6 +485,7 @@ static void init_vmcb(struct vmcb *vmcb)

control->intercept = (1ULL << INTERCEPT_INTR) |
(1ULL << INTERCEPT_NMI) |
+ (1ULL << INTERCEPT_SMI) |
/*
* selective cr0 intercept bug?
* 0: 0f 22 d8 mov %eax,%cr3