linux-kernel - [PATCH] kvm,x86: return true when user space query KVM_CAP_USER

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Message-ID: <4D073F9B.7060002@cn.fujitsu.com>
Date:	Tue, 14 Dec 2010 17:57:47 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Avi Kivity <avi@...hat.com>, Jan Kiszka <jan.kiszka@...mens.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] kvm,x86: return true when user space query KVM_CAP_USER_NMI
 extension

userspace may check this extension in runtime.

Signed-off-by:  Lai Jiangshan <laijs@...fujitsu.com>
---
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index cdac9e5..3d6b9ec 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1909,6 +1909,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_NOP_IO_DELAY:
 	case KVM_CAP_MP_STATE:
 	case KVM_CAP_SYNC_MMU:
+	case KVM_CAP_USER_NMI:
 	case KVM_CAP_REINJECT_CONTROL:
 	case KVM_CAP_IRQ_INJECT_STATUS:
 	case KVM_CAP_ASSIGN_DEV_IRQ:
--
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