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Date: Wed, 3 Oct 2012 15:20:01 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
        Matt Porter <mporter@kernel.crashing.org>,
        Li Yang <leoli@freescale.com>
Subject: Re: [PATCH 1/5] rapidio: fix blocking wait for discovery ready
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On Wed,  3 Oct 2012 15:18:39 -0400
Alexandre Bounine <alexandre.bounine@idt.com> 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?