linux-kernel - Re: linux-next: build failure after merge of the final tree

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Date:	Tue, 24 May 2011 13:59:30 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Greg KH <greg@...ah.com>
Cc:	Mike Frysinger <vapier.adi@...il.com>,
	Linus <torvalds@...ux-foundation.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>, linux-mm@...ck.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Dipankar Sarma <dipankar@...ibm.com>
Subject: Re: linux-next: build failure after merge of the final tree

Hi Greg,

On Mon, 23 May 2011 19:51:51 -0700 Greg KH <greg@...ah.com> wrote:
>
> On Mon, May 23, 2011 at 10:06:40PM -0400, Mike Frysinger wrote:
> > On Fri, May 20, 2011 at 02:18, Stephen Rothwell wrote:
> > > Caused by commit e66eed651fd1 ("list: remove prefetching from regular list
> > > iterators").
> > >
> > > I added the following patch for today:
> > 
> > probably should get added to whatever tree that commit is coming from
> > so we dont have bisect hell ?
> > 
> > more failures:
> > drivers/usb/host/isp1362-hcd.c: In function 'isp1362_write_ptd':
> > drivers/usb/host/isp1362-hcd.c:355: error: implicit declaration of
> > function 'prefetch'
> > drivers/usb/host/isp1362-hcd.c: In function 'isp1362_read_ptd':
> > drivers/usb/host/isp1362-hcd.c:377: error: implicit declaration of
> > function 'prefetchw'
> > make[3]: *** [drivers/usb/host/isp1362-hcd.o] Error 1
> > 
> > drivers/usb/musb/musb_core.c: In function 'musb_write_fifo':
> > drivers/usb/musb/musb_core.c:219: error: implicit declaration of
> > function 'prefetch'
> > make[3]: *** [drivers/usb/musb/musb_core.o] Error 1
> > 
> > although it seems like it should be fairly trivial to look at the
> > funcs in linux/prefetch.h, grep the tree, and find a pretty good list
> > of the files that are missing the include
> 
> How did this not show up in linux-next?  Where did the patch that caused
> this show up from?
> 
> totally confused,

:-)

sfr said above:
> Caused by commit e66eed651fd1 ("list: remove prefetching from regular
> list iterators").

The cause was a patch from Linus ...

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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