linux-kernel - [PATCH 1/2] KVM: SVM: fix compiling warning

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Date:	Wed, 26 May 2010 10:44:29 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Avi Kivity <avi@...hat.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	Joerg Roedel <joerg.roedel@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>
Subject: [PATCH 1/2] KVM: SVM: fix compiling warning

fix:

arch/x86/kvm/svm.c: In function ‘is_erratum_383’:
arch/x86/kvm/svm.c:1459: warning: integer constant is too large for ‘long’ type
arch/x86/kvm/svm.c: In function ‘svm_handle_mce’:
arch/x86/kvm/svm.c:1490: warning: unused variable ‘kvm_run’

Signed-off-by: Xiao Guangrong <xiaoguangrong@...fujitsu.com>
---
 arch/x86/kvm/svm.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 65324a0..02ea5cf 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1456,7 +1456,7 @@ static bool is_erratum_383(void)
 	/* Bit 62 may or may not be set for this mce */
 	value &= ~(1ULL << 62);
 
-	if (value != 0xb600000000010015)
+	if (value != 0xb600000000010015ULL)
 		return false;
 
 	/* Clear MCi_STATUS registers */
@@ -1487,8 +1487,6 @@ static void svm_handle_mce(struct vcpu_svm *svm)
 		 * Erratum 383 triggered. Guest state is corrupt so kill the
 		 * guest.
 		 */
-		struct kvm_run *kvm_run = svm->vcpu.run;
-
 		pr_err("KVM: Guest triggered AMD Erratum 383\n");
 
 		set_bit(KVM_REQ_TRIPLE_FAULT, &svm->vcpu.requests);
-- 
1.6.1.2

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