[PATCH v7 01/10] KVM: MMU: return bool in __rmap_write_protect

[Xiao Guangrong]

The reture value of __rmap_write_protect is either 1 or 0, use
true/false instead of these

Signed-off-by: Xiao Guangrong <xiaoguangr...@linux.vnet.ibm.com>
---
 arch/x86/kvm/mmu.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 24dd43d..fad5c91 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1051,11 +1051,12 @@ static void drop_spte(struct kvm *kvm, u64 *sptep)
                rmap_remove(kvm, sptep);
 }

-static int __rmap_write_protect(struct kvm *kvm, unsigned long *rmapp, int 
level)
+static bool
+__rmap_write_protect(struct kvm *kvm, unsigned long *rmapp, int level)
 {
        u64 *sptep;
        struct rmap_iterator iter;
-       int write_protected = 0;
+       bool write_protected = false;

        for (sptep = rmap_get_first(*rmapp, &iter); sptep;) {
                BUG_ON(!(*sptep & PT_PRESENT_MASK));
@@ -1076,7 +1077,7 @@ static int __rmap_write_protect(struct kvm *kvm, unsigned 
long *rmapp, int level
                        sptep = rmap_get_first(*rmapp, &iter);
                }

-               write_protected = 1;
+               write_protected = true;
        }

        return write_protected;
@@ -1107,12 +1108,12 @@ void kvm_mmu_write_protect_pt_masked(struct kvm *kvm,
        }
 }

-static int rmap_write_protect(struct kvm *kvm, u64 gfn)
+static bool rmap_write_protect(struct kvm *kvm, u64 gfn)
 {
        struct kvm_memory_slot *slot;
        unsigned long *rmapp;
        int i;
-       int write_protected = 0;
+       bool write_protected = false;

        slot = gfn_to_memslot(kvm, gfn);

@@ -1703,7 +1704,7 @@ static void mmu_sync_children(struct kvm_vcpu *vcpu,

        kvm_mmu_pages_init(parent, &parents, &pages);
        while (mmu_unsync_walk(parent, &pages)) {
-               int protected = 0;
+               bool protected = false;

                for_each_sp(pages, sp, parents, i)
                        protected |= rmap_write_protect(vcpu->kvm, sp->gfn);
-- 
1.7.7.6

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