diff options
| author | Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> | 2012-06-20 15:56:53 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-07-11 16:51:13 +0300 |
| commit | 2f84569f978cd7d54970d893b4c4e68ef24dc1ec (patch) | |
| tree | cd14dfd05c6196207024ae066ba4b6de86f6daab /arch/x86 | |
| parent | a27685c33acccce91268ddef88d7896e3205fda5 (diff) | |
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>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | 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 569cd66ba24c..5dd22427251d 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -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); |