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>
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 569cd66..5dd2242 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1050,11 +1050,12 @@
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 @@
sptep = rmap_get_first(*rmapp, &iter);
}
- write_protected = 1;
+ write_protected = true;
}
return write_protected;
@@ -1106,12 +1107,12 @@
}
}
-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 @@
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);