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

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

[Joerg Roedel]

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From: Joerg Roedel <joerg.roedel@amd.com>

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

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

-- 
Joerg Roedel
Operating System Research Center
AMD Saxony LLC & Co. KG

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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

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

[Avi Kivity]

Joerg Roedel wrote:
> From: Joerg Roedel <joerg.roedel@amd.com>
>
> This patch changes the SVM code to intercept SMIs and handle it
> outside the guest.
>   

Applied, thanks.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.