forked from Minki/linux
KVM: MMU: return bool in __rmap_write_protect
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> Signed-off-by: Avi Kivity <avi@redhat.com>
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@ -1050,11 +1050,12 @@ static void drop_spte(struct kvm *kvm, u64 *sptep)
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rmap_remove(kvm, sptep);
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}
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static int __rmap_write_protect(struct kvm *kvm, unsigned long *rmapp, int level)
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static bool
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__rmap_write_protect(struct kvm *kvm, unsigned long *rmapp, int level)
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{
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u64 *sptep;
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struct rmap_iterator iter;
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int write_protected = 0;
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bool write_protected = false;
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for (sptep = rmap_get_first(*rmapp, &iter); sptep;) {
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BUG_ON(!(*sptep & PT_PRESENT_MASK));
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@ -1075,7 +1076,7 @@ static int __rmap_write_protect(struct kvm *kvm, unsigned long *rmapp, int level
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sptep = rmap_get_first(*rmapp, &iter);
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}
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write_protected = 1;
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write_protected = true;
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}
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return write_protected;
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@ -1106,12 +1107,12 @@ void kvm_mmu_write_protect_pt_masked(struct kvm *kvm,
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}
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}
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static int rmap_write_protect(struct kvm *kvm, u64 gfn)
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static bool rmap_write_protect(struct kvm *kvm, u64 gfn)
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{
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struct kvm_memory_slot *slot;
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unsigned long *rmapp;
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int i;
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int write_protected = 0;
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bool write_protected = false;
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slot = gfn_to_memslot(kvm, gfn);
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@ -1700,7 +1701,7 @@ static void mmu_sync_children(struct kvm_vcpu *vcpu,
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kvm_mmu_pages_init(parent, &parents, &pages);
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while (mmu_unsync_walk(parent, &pages)) {
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int protected = 0;
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bool protected = false;
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for_each_sp(pages, sp, parents, i)
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protected |= rmap_write_protect(vcpu->kvm, sp->gfn);
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