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Commit 950e9509 authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Avi Kivity
Browse files

KVM: introduce KVM_PFN_ERR_BAD 



Then, remove get_bad_pfn

Signed-off-by: default avatarXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent e6c1502b

include/linux/kvm_host.h

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ 


#define KVM_PFN_ERR_FAULT	(-EFAULT)

#define KVM_PFN_ERR_HWPOISON	(-EHWPOISON)

#define KVM_PFN_ERR_BAD		(-ENOENT)



/*

 * vcpu->requests bit members

virt/kvm/kvm_main.c

+1 −6
Original line number Diff line number Diff line
@@ -934,11 +934,6 @@ int is_error_pfn(pfn_t pfn) 
}

EXPORT_SYMBOL_GPL(is_error_pfn);



static pfn_t get_bad_pfn(void)

{

	return -ENOENT;

}



int is_noslot_pfn(pfn_t pfn)

{

	return pfn == -ENOENT;
@@ -1143,7 +1138,7 @@ static pfn_t __gfn_to_pfn(struct kvm *kvm, gfn_t gfn, bool atomic, bool *async, 


	addr = gfn_to_hva(kvm, gfn);

	if (kvm_is_error_hva(addr))

		return get_bad_pfn();

		return KVM_PFN_ERR_BAD;



	return hva_to_pfn(addr, atomic, async, write_fault, writable);

}