From: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx>
The dirty bits have already been checked in the previous check of
"dirty_bitmap" and mask must be non-zero value at this point.
Signed-off-by: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx>
---
virt/kvm/kvm_main.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index cf7cc0554094..e75dbb15fd09 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1206,11 +1206,9 @@ int kvm_get_dirty_log_protect(struct kvm *kvm,
mask = xchg(&dirty_bitmap[i], 0);
dirty_bitmap_buffer[i] = mask;
- if (mask) {
- offset = i * BITS_PER_LONG;
- kvm_arch_mmu_enable_log_dirty_pt_masked(kvm, memslot,
- offset, mask);
- }
+ offset = i * BITS_PER_LONG;
+ kvm_arch_mmu_enable_log_dirty_pt_masked(kvm, memslot,
+ offset, mask);
}
spin_unlock(&kvm->mmu_lock);
}
--
2.14.4
