sc->diff_clk is already equal to sleep_delay (split in a second and a
nanosecond part). If you subtract sleep_delay - rem_delay, the result
is exactly rem_delay.
Cc: Sebastian Tanase <sebastian.tan...@openwide.fr>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
cpu-exec.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index a4f0eff..ef0f12c 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -61,8 +61,7 @@ static void align_clocks(SyncClocks *sc, const CPUState *cpu)
sleep_delay.tv_sec = sc->diff_clk / 1000000000LL;
sleep_delay.tv_nsec = sc->diff_clk % 1000000000LL;
if (nanosleep(&sleep_delay, &rem_delay) < 0) {
- sc->diff_clk -= (sleep_delay.tv_sec - rem_delay.tv_sec) *
1000000000LL;
- sc->diff_clk -= sleep_delay.tv_nsec - rem_delay.tv_nsec;
+ sc->diff_clk = rem_delay.tv_sec * 1000000000LL +
rem_delay.tv_nsec;
} else {
sc->diff_clk = 0;
}
--
2.1.0
