linux-kernel - Re: [PATCH] parisc: fix longstanding build failure on prefetch

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Date:	Mon, 27 Feb 2012 10:32:51 -0600
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	jejb@...isc-linux.org, kyle@...artin.ca, deller@....de,
	linux-parisc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-next@...r.kernel.org, rientjes@...gle.com,
	xiyou.wangcong@...il.com
Subject: Re: [PATCH] parisc: fix longstanding build failure on prefetch

On Mon, 2012-02-27 at 11:02 -0500, Paul Gortmaker wrote:
> On 12-02-27 10:24 AM, James Bottomley wrote:
> > On Sun, 2012-02-26 at 15:51 -0500, Paul Gortmaker wrote:
> >> Upstream commit e66eed651fd18a961f11cda62f3b5286c8cc4f9f
> >>
> >>     "list: remove prefetching from regular list iterators"
> >>
> >> removed <linux/prefetch.h> from <linux/list.h> very early in the
> >> v3.0 dev cycle (v2.6.39-2-ge66eed6), thereby causing build failures
> >> when it exposed the implicit prefetch users in parisc.
> > 
> > I already have this in my internal patch queue:
> > 
> > http://marc.info/?l=linux-parisc&m=132825467010662
> 
> Is this in a different queue than what is in linux next?

Yes, sorry ... I hadn't got around to building the parisc tree for the
current version.  I've done that now.

> It would be nice to see such build fixes get into linux-next
> ASAP, so folks doing multi-arch coverage builds on their work
> can know if they've introduced a regression.  At the moment,
> the parisc builds in linux-next have been worthless for over
> six months, and I'm sure I'm not the 1st one to waste time
> "re-solving" old bugs like this.

So if you recheck with the next build of linux-next, they should all be
there (modulo the cross compile patch which is still under discussion).

James


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