Re: [Qemu-devel] [PATCH] arm_mptimer: Fix timer shutdown

[Dmitry Osipenko]

Hello Peter, thanks a lot for comment.

02.07.2015 12:27, Peter Maydell пишет:
> Thanks; this does look like a bug. This change will mean we
> call timer_del() even if the timer was already disabled,
> though, so I think it would be slightly better to rearrange
> the existing logic something like this:
>
>    if ((old & 1) != (value & 1)) {
>       if (value & 1) {
>           if (tb->count == 0 && (tb->control & 2)) {
>               tb->count = tb->load;
>           }
>           timerblock_reload(tb, 1);
>       } else {
>           timer_del(tb->timer);
>       }
>    }
>
> thanks
> -- PMM

Calling timer_del() twice is safe, but I agree that it would be better to avoid 
it. I'll send V2.

--
Dmitry