From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <arnd@arndb.de>
Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.131])
 (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by lists.ozlabs.org (Postfix) with ESMTPS id 774601A0BF4
 for <linuxppc-dev@lists.ozlabs.org>; Mon, 23 Feb 2015 22:25:28 +1100 (AEDT)
From: Arnd Bergmann <arnd@arndb.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: Build regressions/improvements in v4.0-rc1
Date: Mon, 23 Feb 2015 12:24:38 +0100
Message-ID: <6141970.YzWJy8akUr@wuerfel>
In-Reply-To: <CAMuHMdUTCvQw1q-dJcx9dAnFEXtfJYs+rbVS4KdZgi-3cbSC7g@mail.gmail.com>
References: <1424680402-3477-1-git-send-email-geert@linux-m68k.org>
 <5721217.aGU5oqfDWo@wuerfel>
 <CAMuHMdUTCvQw1q-dJcx9dAnFEXtfJYs+rbVS4KdZgi-3cbSC7g@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Cc: Matthew Wilcox <willy@linux.intel.com>,
 ALSA Development Mailing List <alsa-devel@alsa-project.org>,
 "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
 "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
 "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>
List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org>
List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>,
 <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe>
List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/>
List-Post: <mailto:linuxppc-dev@lists.ozlabs.org>
List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help>
List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>,
 <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe>

On Monday 23 February 2015 11:28:12 Geert Uytterhoeven wrote:
> On Mon, Feb 23, 2015 at 11:24 AM, Arnd Bergmann <arnd@arndb.de> wrote:
> > On Monday 23 February 2015 10:14:55 Geert Uytterhoeven wrote:
> >> On Mon, Feb 23, 2015 at 10:03 AM, Arnd Bergmann <arnd@arndb.de> wrote:
> >> >> >   + /home/kisskb/slave/src/fs/dax.c: error: implicit declaration of function 'copy_user_page' [-Werror=implicit-function-declaration]:  => 266:2
> 
> > I checked the other architectures, and found that the same is missing on
> > ARC, so we should add both:
> >
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index ec35851e5b71..a24d496787d6 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -36,7 +36,7 @@ source "fs/nilfs2/Kconfig"
> >  config FS_DAX
> >         bool "Direct Access (DAX) support"
> >         depends on MMU
> > -       depends on !(ARM || MIPS || SPARC)
> > +       depends on !(ARC || ARM || MIPS || SH || SPARC)
> >         help
> >           Direct Access (DAX) can be used on memory-backed block devices.
> >           If the block device supports DAX and the filesystem supports DAX,
> >
> >
> > It's also not implemented on c6x and blackfin, but both of them have
> > MMU=n, so they are already excluded.
> 
> Exactly.
> 
> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>

Thanks, let me submit that as a proper patch with a changelog then.

	Arnd