linux-kernel - [PATCH] KVM: MCE: Fix compiling without CONFIG_X86

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Date:	Tue, 09 Jun 2009 09:37:24 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	"avi@...hat.com" <avi@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>
Subject: [PATCH] KVM: MCE: Fix compiling without CONFIG_X86_MCE

Enclose do_machine_check with #ifdef CONFIG_X86_MCE.

Reported-by: Marcelo Tosatti <mtosatti@...hat.com>
Signed-off-by: Huang Ying <ying.huang@...el.com>

---
 arch/x86/kvm/vmx.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2623,12 +2623,14 @@ static int handle_rmode_exception(struct
  */
 static void kvm_machine_check(void)
 {
+#ifdef CONFIG_X86_MCE
 	struct pt_regs regs = {
 		.cs = 3, /* Fake ring 3 no matter what the guest ran on */
 		.flags = X86_EFLAGS_IF,
 	};
 
 	do_machine_check(&regs, 0);
+#endif
 }
 
 static int handle_machine_check(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)


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