Re: [Qemu-devel] [PATCH V3] rtc: fix a infinite loop in windows vmstartup

[peng.hao2]

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






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Original Mail



Sender:  <address@hidden>
To: PengHao10096742 <address@hidden> <address@hidden>
CC: LiuYi10066463 <address@hidden>
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 <address@hidden>
> Signed-off-by: Liu Yi <address@hidden>
> ---

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
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