Re: [Qemu-devel] [PATCH v3 3/5] mc146818rtc: ensure LOST_TICK_POLICY_SLEW is only enabled on TARGET_I386

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On 05/10/2017 05:32 AM, guangrong.xiao@xxxxxxxxx wrote:
From: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxx>

Any tick policy specified on other platforms rather on TARGET_I386
will fall back to LOST_TICK_POLICY_DISCARD silently, this patch makes
sure only TARGET_I386 can enable LOST_TICK_POLICY_SLEW

After that, we can enable LOST_TICK_POLICY_SLEW in the common code
which need not use '#ifdef TARGET_I386' to make these code be x86
specific anymore

Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxx>

Reviewed-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>

---
 hw/timer/mc146818rtc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c
index dac6744..9810bd5 100644
--- a/hw/timer/mc146818rtc.c
+++ b/hw/timer/mc146818rtc.c
@@ -980,19 +980,19 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)

     rtc_set_date_from_host(isadev);

-#ifdef TARGET_I386
     switch (s->lost_tick_policy) {
+#ifdef TARGET_I386
     case LOST_TICK_POLICY_SLEW:
         s->coalesced_timer =
             timer_new_ns(rtc_clock, rtc_coalesced_timer, s);
         break;
+#endif
     case LOST_TICK_POLICY_DISCARD:
         break;
     default:
         error_setg(errp, "Invalid lost tick policy.");
         return;
     }
-#endif

     s->periodic_timer = timer_new_ns(rtc_clock, rtc_periodic_timer, s);
     s->update_timer = timer_new_ns(rtc_clock, rtc_update_timer, s);




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