[Qemu-trivial] [PULL 16/27] cpus: update comments

[Michael Tokarev]

From: Cao jin <address@hidden>

The returned value of cpu_get_clock() is plused with the offset,
so it is the time elapsed in virtual machine when vm is active.

Cc: Paolo Bonzini <address@hidden>
Cc  Peter Crosthwaite <address@hidden>
Cc: Richard Henderson <address@hidden>
Signed-off-by: Cao jin <address@hidden>
Signed-off-by: Michael Tokarev <address@hidden>
---
 cpus.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cpus.c b/cpus.c
index a70b536..5d5e374 100644
--- a/cpus.c
+++ b/cpus.c
@@ -191,7 +191,7 @@ int64_t cpu_icount_to_ns(int64_t icount)
     return icount << icount_time_shift;
 }
 
-/* return the host CPU cycle counter and handle stop/restart */
+/* return the host CPU cycle counter */
 /* Caller must hold the BQL */
 int64_t cpu_get_ticks(void)
 {
@@ -229,7 +229,8 @@ static int64_t cpu_get_clock_locked(void)
     return time;
 }
 
-/* return the host CPU monotonic time */
+/* Return the monotonic time elapsed in VM, i.e.,
+ * the time between vm_start and vm_stop */
 int64_t cpu_get_clock(void)
 {
     int64_t ti;
-- 
2.1.4