I'm sorry I copy and paste code to make a patch, but I make a mistake to send a uncompleted patch.
彭浩 penghao IT开发工程师 IT Development Engineer 操作系统产品部/中心研究院/系统产品 OS Product Department/Central R&D Institute/System Product 成都市天府大道中段800号中兴大厦A座 T: +86 028 18123274005 E: peng.h...@zte.com.cn www.zte.com.cn Original Mail Sender: <ebl...@redhat.com> To: PengHao10096742 <m...@redhat.com> <pbonz...@redhat.com> CC: LiuYi10066463 <qemu-devel@nongnu.org> Date: 2017/07/24 19:55 Subject: Re: [Qemu-devel] [PATCH V3] rtc: fix a infinite loop in windows vmstartup On 07/24/2017 01:35 PM, Peng Hao wrote: > When a windows vm starts, periodic timer of rtc will stop several times. > windows kernel will check whether REG_A_UIP is changed. REG_C's interrupt > flags will not be cleared when periodic timer stops and the update timer > will switch to alarm timer. So the expiration time of alarm timer is very > long and REG_A_UIP will not vary.At last windows kernel will repeat to > check REG_A_UIP all the time. > > Signed-off-by: Peng Hao <peng.h...@zte.com.cn> > Signed-off-by: Liu Yi <liu.y...@zte.com.cn> > --- When posting a v3, it's useful to tell us (after the --- separator) what changed from v2, to help us focus on why a v3 was needed. -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org