From: Kim Phillips <kim.phillips@freescale.com>
To: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
josh@joshtriplett.org, Johannes Weiner <hannes@cmpxchg.org>,
Minchan Kim <minchan@kernel.org>, Rik van Riel <riel@redhat.com>,
Sasha Levin <sasha.levin@oracle.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Konstantin Khlebnikov <k.khlebnikov@samsung.com>,
Jens Axboe <axboe@fb.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH 2/2] mm: fix undefined reference to `.kernel_map_pages' on PPC builds
Date: Thu, 22 Jan 2015 21:20:17 -0600 [thread overview]
Message-ID: <20150122212017.4b7032d52a6c75c06d5b4728@freescale.com> (raw)
In-Reply-To: <CAC5umyiF52cykH2_5TD0yzXb+842gywpe-+XZHEwmrDe0nYCPw@mail.gmail.com>
On Fri, 23 Jan 2015 08:49:36 +0900
Akinobu Mita <akinobu.mita@gmail.com> wrote:
> 2015-01-23 5:41 GMT+09:00 Kim Phillips <kim.phillips@freescale.com>:
> > Thanks. Now I get this:
> >
> > LD init/built-in.o
> > mm/built-in.o: In function `kernel_map_pages':
> > include/linux/mm.h:2076: undefined reference to `.__kernel_map_pages'
> > include/linux/mm.h:2076: undefined reference to `.__kernel_map_pages'
> > include/linux/mm.h:2076: undefined reference to `.__kernel_map_pages'
> > Makefile:925: recipe for target 'vmlinux' failed
> > make: *** [vmlinux] Error 1
> >
> > but, AFAICT, that's not because this patch is invalid: it's because
> > __kernel_map_pages() isn't implemented in
> > arch/powerpc/mm/pgtable_64.c, i.e., for non-PPC_STD_MMU_64 PPC64
> > machines.
>
> Then, in order to use generic __kernel_map_pages() in mm/debug-pagealloc.c,
> CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC shouldn't be selected in
> arch/powerpc/Kconfig, when CONFIG_PPC_STD_MMU_64 isn't defined.
Thanks. I'm still build-testing this now:
next prev parent reply other threads:[~2015-01-23 3:25 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-20 20:02 Kim Phillips
2015-01-20 23:01 ` josh
2015-01-21 0:07 ` Andrew Morton
2015-01-21 12:57 ` Akinobu Mita
2015-01-22 1:45 ` Joonsoo Kim
2015-01-22 20:41 ` Kim Phillips
2015-01-22 23:49 ` Akinobu Mita
2015-01-23 3:20 ` Kim Phillips [this message]
2015-01-23 4:24 ` Michael Ellerman
2015-01-26 19:22 ` [PATCH v3] powerpc/mm: fix undefined reference to `.__kernel_map_pages' on FSL PPC64 Kim Phillips
2015-01-28 1:01 ` Michael Ellerman
2015-01-28 1:33 ` Joonsoo Kim
2015-01-28 2:57 ` Andrew Morton
2015-01-28 3:22 ` Michael Ellerman
2015-01-28 20:14 ` Kim Phillips
2015-01-29 4:05 ` Michael Ellerman
2015-01-26 19:24 ` [PATCH 2/2] mm: fix undefined reference to `.kernel_map_pages' on PPC builds Kim Phillips
2015-01-27 7:56 ` Joonsoo Kim
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150122212017.4b7032d52a6c75c06d5b4728@freescale.com \
--to=kim.phillips@freescale.com \
--cc=akinobu.mita@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=axboe@fb.com \
--cc=hannes@cmpxchg.org \
--cc=iamjoonsoo.kim@lge.com \
--cc=josh@joshtriplett.org \
--cc=k.khlebnikov@samsung.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=minchan@kernel.org \
--cc=riel@redhat.com \
--cc=sasha.levin@oracle.com \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox