Re: [PATCH 1/5] rapidio: fix blocking wait for discovery ready

From: Andrew Morton
Date: Wed Oct 03 2012 - 18:19:56 EST


On Wed, 3 Oct 2012 15:18:39 -0400
Alexandre Bounine <alexandre.bounine@xxxxxxx> wrote:

> Fix blocking wait loop in the RapidIO discovery routine to avoid warning
> dumps about stalled CPU on x86 platforms.
>
> ...
>
> + to_end = jiffies + CONFIG_RAPIDIO_DISC_TIMEOUT * HZ;
> + while (time_before(jiffies, to_end)) {
> + if (rio_enum_complete(mport))
> + goto enum_done;
> + schedule_timeout_uninterruptible(msecs_to_jiffies(10));

I think a simple msleep(10) would suffice here?


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