linux-kernel - [PATCH 3/5] KVM: Remove extranous put_cpu() from vcpu

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Date:	Mon, 11 Dec 2006 10:17:13 -0000
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org, mingo@...e.hu
Subject: [PATCH 3/5] KVM: Remove extranous put_cpu() from vcpu_put()

The arch splitting patchset left an extra put_cpu() in core code, where
it can cause trouble for CONFIG_PREEMPT kernels.

Reported by: Huihong Luo <huisinro@...oo.com>

Signed-off-by: Avi Kivity <avi@...ranet.com>

Index: linux-2.6/drivers/kvm/kvm_main.c
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm_main.c
+++ linux-2.6/drivers/kvm/kvm_main.c
@@ -205,7 +205,6 @@ static struct kvm_vcpu *vcpu_load(struct
 static void vcpu_put(struct kvm_vcpu *vcpu)
 {
 	kvm_arch_ops->vcpu_put(vcpu);
-	put_cpu();
 	mutex_unlock(&vcpu->mutex);
 }
 
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