linux-kernel - [PATCH v5 07/12] KVM: introduce KVM_PFN_ERR_RO

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Message-ID: <5020E54D.9060004@linux.vnet.ibm.com>
Date:	Tue, 07 Aug 2012 17:52:13 +0800
From:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
To:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
CC:	Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: [PATCH v5 07/12] KVM: introduce KVM_PFN_ERR_RO_FAULT

In the later patch, it indicates failure when we try to get a writable
pfn from the readonly memslot

Signed-off-by: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
---
 include/linux/kvm_host.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 187c9c8..8306f24 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -60,6 +60,7 @@
 #define KVM_PFN_ERR_FAULT	(KVM_PFN_ERR_MASK)
 #define KVM_PFN_ERR_HWPOISON	(KVM_PFN_ERR_MASK + 1)
 #define KVM_PFN_ERR_BAD		(KVM_PFN_ERR_MASK + 2)
+#define KVM_PFN_ERR_RO_FAULT	(KVM_PFN_ERR_MASK + 3)

 static inline bool is_error_pfn(pfn_t pfn)
 {
-- 
1.7.7.6

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