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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>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiao Guangrong 2012-06-20 15:56:53 +08:00 committed by Avi Kivity
parent a27685c33a
commit 2f84569f97
1 changed files with 7 additions and 6 deletions
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13
arch/x86/kvm/mmu.c
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@ -1050,11 +1050,12 @@ 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));
@ -1075,7 +1076,7 @@ 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;
@ -1106,12 +1107,12 @@ 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);
@ -1700,7 +1701,7 @@ 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);