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[Qemu-devel] [PULL 08/11] cpu-exec: simplify align_clocks
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 08/11] cpu-exec: simplify align_clocks |
Date: |
Fri, 30 Jan 2015 16:01:15 +0100 |
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 <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
cpu-exec.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index a4f0eff..9dd1ca5 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;
}
--
1.8.3.1
- [Qemu-devel] [PULL 00/11] RCU, scsi, modules, icount changes for 2015-01-30, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 02/11] rcu: add rcutorture, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 03/11] rcu: allow nesting of rcu_read_lock/rcu_read_unlock, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 01/11] rcu: add rcu library, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 05/11] memory: remove assertion on memory_region_destroy, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 06/11] memory: protect current_map by RCU, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 08/11] cpu-exec: simplify align_clocks,
Paolo Bonzini <=
- [Qemu-devel] [PULL 04/11] rcu: add call_rcu, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 09/11] cpu-exec: simplify init_delay_params, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 07/11] memory: avoid ref/unref in memory_region_find, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 11/11] configure: Default to enable module build, Paolo Bonzini, 2015/01/30
- [Qemu-devel] [PULL 10/11] scsi: Fix scsi_req_cancel_async for no aiocb req, Paolo Bonzini, 2015/01/30