| commit | 9a6e2dcfdda31275296c2a55ae10ec9ee5265459 | |
| author | Xiao Guangrong <xiaoguangrong@tencent.com> | |
| Wed, 10 May 2017 08:32:55 +0000 (10 16:32 +0800) | ||
| committer | Paolo Bonzini <pbonzini@redhat.com> | |
| Tue, 6 Jun 2017 18:18:35 +0000 (6 20:18 +0200) | ||
| tree | d397199d316c53e0647a554736a152961929709f | treesnapshot (tar.gz zip) |
| parent | 65dfad62a176f5265f801683be64149c5ad55f7d | commitdiff |
mc146818rtc: update periodic timer only if it is needed
Currently, the timer is updated whenever RegA or RegB is written
even if the periodic timer related configuration is not changed
This patch optimizes it slightly to make the update happen only
if its period or enable-status is changed, also later patches are
depend on this optimization
Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com>
Message-Id: <20170510083259.3900-2-xiaoguangrong@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently, the timer is updated whenever RegA or RegB is written
even if the periodic timer related configuration is not changed
This patch optimizes it slightly to make the update happen only
if its period or enable-status is changed, also later patches are
depend on this optimization
Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com>
Message-Id: <20170510083259.3900-2-xiaoguangrong@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| hw/timer/mc146818rtc.c | diffblobblamehistory |