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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@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiao Guangrong 2012-08-21 11:01:19 +08:00 committed by Avi Kivity
parent 12ce13fea9
commit 69552c295e
1 changed files with 1 additions and 0 deletions
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1
include/linux/kvm_host.h
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@ -65,6 +65,7 @@
#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)
{