Messages in this thread Patch in this message | | | Date | Fri, 20 Apr 2012 16:17:22 +0800 | From | Xiao Guangrong <> | Subject | [PATCH v3 1/9] KVM: MMU: return bool in __rmap_write_protect |
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The reture value of __rmap_write_protect is either 1 or 0, use true/false instead of these
Signed-off-by: Xiao Guangrong <xiaoguangrong@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 29ad6f9..4a3cc18 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1041,11 +1041,12 @@ 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)); @@ -1066,7 +1067,7 @@ 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; @@ -1097,12 +1098,12 @@ 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);
@@ -1691,7 +1692,7 @@ 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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