Commit 7068d097 authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Avi Kivity
Browse files

KVM: introduce KVM_HVA_ERR_RO_BAD 



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

Signed-off-by: default avatarXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent ca3a490c

include/linux/kvm_host.h

+3 −2
Original line number Diff line number Diff line
@@ -83,10 +83,11 @@ static inline bool is_invalid_pfn(pfn_t pfn) 
}



#define KVM_HVA_ERR_BAD		(PAGE_OFFSET)

#define KVM_HVA_ERR_RO_BAD	(PAGE_OFFSET + PAGE_SIZE)



static inline bool kvm_is_error_hva(unsigned long addr)

{

	return addr == PAGE_OFFSET;

	return addr >= PAGE_OFFSET;

}



#define KVM_ERR_PTR_BAD_PAGE	(ERR_PTR(-ENOENT))