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Commit 33e94154 authored by Yaowei Bai's avatar Yaowei Bai Committed by Paolo Bonzini
Browse files

KVM: kvm_is_visible_gfn can be boolean 



This patch makes kvm_is_visible_gfn return bool due to this particular
function only using either one or zero as its return value.

No functional change.

Signed-off-by: default avatarYaowei Bai <baiyaowei@cmss.chinamobile.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 4f52696a

include/linux/kvm_host.h

+1 −1
Original line number Diff line number Diff line
@@ -641,7 +641,7 @@ int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc, 
int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);

int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);

struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);

int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);

bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);

unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn);

void mark_page_dirty(struct kvm *kvm, gfn_t gfn);

virt/kvm/kvm_main.c

+3 −3
Original line number Diff line number Diff line
@@ -1164,15 +1164,15 @@ struct kvm_memory_slot *kvm_vcpu_gfn_to_memslot(struct kvm_vcpu *vcpu, gfn_t gfn 
	return __gfn_to_memslot(kvm_vcpu_memslots(vcpu), gfn);

}



int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)

bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)

{

	struct kvm_memory_slot *memslot = gfn_to_memslot(kvm, gfn);



	if (!memslot || memslot->id >= KVM_USER_MEM_SLOTS ||

	      memslot->flags & KVM_MEMSLOT_INVALID)

		return 0;

		return false;



	return 1;

	return true;

}

EXPORT_SYMBOL_GPL(kvm_is_visible_gfn);