linux-kernel - RE: [PATCH 1/5] rapidio: fix blocking wait for discovery ready

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Date:	Thu, 4 Oct 2012 17:20:09 +0000
From:	"Bounine, Alexandre" <Alexandre.Bounine@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	Matt Porter <mporter@...nel.crashing.org>,
	Li Yang <leoli@...escale.com>
Subject: RE: [PATCH 1/5] rapidio: fix blocking wait for discovery ready

On Wed, October 03, 2012 6:20 PM
Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> On Wed,  3 Oct 2012 15:18:39 -0400
> Alexandre Bounine <alexandre.bounine@....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?
> 
Agree, same thing but looks simpler. Will update.
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