From 33e941547923283f7f1022f3c35359ea9403d9a4 Mon Sep 17 00:00:00 2001 From: Yaowei Bai Date: Sat, 14 Nov 2015 11:21:06 +0800 Subject: [PATCH] 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: Yaowei Bai Signed-off-by: Paolo Bonzini --- include/linux/kvm_host.h | 2 +- virt/kvm/kvm_main.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 14f95969b0f3..29119193a19f 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -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); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 484079efea5b..73cbb4120d0b 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -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); -- 2.20.1