[PATCH v2] kvm_main: fix some comments

[Jiang Biao <benbjiang@tencent.com>]

is_dirty has been renamed to flush, but the comment for it is
outdated. And the description about @flush parameter for
kvm_clear_dirty_log_protect() is missing, add it in this patch
as well.

Signed-off-by: Jiang Biao <benbjiang@tencent.com>
---
 virt/kvm/kvm_main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index dc8edc97ba85..6cf7e99e6003 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1134,11 +1134,11 @@ EXPORT_SYMBOL_GPL(kvm_get_dirty_log);
 
 #ifdef CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT
 /**
- * kvm_get_dirty_log_protect - get a snapshot of dirty pages, and if any pages
+ * kvm_get_dirty_log_protect - get a snapshot of dirty pages
  *	and reenable dirty page tracking for the corresponding pages.
  * @kvm:	pointer to kvm instance
  * @log:	slot id and address to which we copy the log
- * @is_dirty:	flag set if any page is dirty
+ * @flush:	true if TLB flush is needed by caller
  *
  * We need to keep it in mind that VCPU threads can write to the bitmap
  * concurrently. So, to avoid losing track of dirty pages we keep the
@@ -1223,6 +1223,7 @@ EXPORT_SYMBOL_GPL(kvm_get_dirty_log_protect);
  *	and reenable dirty page tracking for the corresponding pages.
  * @kvm:	pointer to kvm instance
  * @log:	slot id and address from which to fetch the bitmap of dirty pages
+ * @flush:	true if TLB flush is needed by caller
  */
 int kvm_clear_dirty_log_protect(struct kvm *kvm,
 				struct kvm_clear_dirty_log *log, bool *flush)
-- 
2.17.2 (Apple Git-113)