mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: christophe leroy <christophe.leroy@c-s.fr>
To: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
Cc: Kate Stewart <kstewart@linuxfoundation.org>,
	Kees Cook <keescook@chromium.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Philippe Ombredanne <pombredanne@nexb.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Michael Bringmann <mwb@linux.vnet.ibm.com>,
	Paul Mackerras <paulus@samba.org>,
	kbuild-all@01.org,
	Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>,
	Nathan Fontenot <nfont@linux.vnet.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linuxppc-dev@lists.ozlabs.org, Joel Stanley <joel@jms.id.au>
Subject: Re: [PATCH 5/6] powerpc: Implement DISCONTIGMEM and allow selection on PPC32
Date: Wed, 21 Feb 2018 18:53:43 +0100	[thread overview]
Message-ID: <a0c7806e-e06e-eb6c-416b-022bdc36d757@c-s.fr> (raw)
In-Reply-To: <20180221160815.dxhpsejt74zeqqjd@latitude>



Le 21/02/2018 à 17:08, Jonathan Neuschäfer a écrit :
> On Wed, Feb 21, 2018 at 07:46:28AM +0800, kbuild test robot wrote:
> [...]
>>>> include/linux/mmzone.h:1239:19: error: conflicting types for 'pfn_valid'
>>      static inline int pfn_valid(unsigned long pfn)
>>                        ^~~~~~~~~
>>     In file included from include/linux/mmzone.h:912:0,
>>                      from include/linux/gfp.h:6,
>>                      from include/linux/mm.h:10,
>>                      from include/linux/mman.h:5,
>>                      from arch/powerpc/kernel/asm-offsets.c:22:
>>     arch/powerpc/include/asm/mmzone.h:40:19: note: previous definition of 'pfn_valid' was here
>>      static inline int pfn_valid(int pfn)
>>                        ^~~~~~~~~
>>     make[2]: *** [arch/powerpc/kernel/asm-offsets.s] Error 1
>>     make[2]: Target '__build' not remade because of errors.
>>     make[1]: *** [prepare0] Error 2
>>     make[1]: Target 'prepare' not remade because of errors.
>>     make: *** [sub-make] Error 2
> 
> Oops, I'll fix this in the next version (and compile-test on ppc64...).
> 
> Weirdly enough, x86-32 and parisc define pfn_valid with an int
> parameter, too (both of them since the Beginning Of Time, aka.
> v2.6.12-rc2).
> 

Behind the fact that the pfn type is different, my understanding is that 
you have to define CONFIG_HAVE_ARCH_PFN_VALID in the Kconfig in order to 
avoid it being included in include/linux/mmzone.h

Christophe

---
L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast.
https://www.avast.com/antivirus

  reply	other threads:[~2018-02-21 17:53 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-20 16:14 [PATCH 0/6] DISCONTIGMEM support for PPC32 Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 1/6] powerpc/mm/32: Use pfn_valid to check if pointer is in RAM Jonathan Neuschäfer
2018-02-20 17:45   ` christophe leroy
2018-02-21 13:51     ` Jonathan Neuschäfer
2018-02-21 14:44       ` Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 2/6] powerpc: numa: Fix overshift on PPC32 Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 3/6] powerpc: numa: Use the right #ifdef guards around functions Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 4/6] powerpc: numa: Restrict fake NUMA enulation to CONFIG_NUMA systems Jonathan Neuschäfer
2018-02-20 16:14 ` [PATCH 5/6] powerpc: Implement DISCONTIGMEM and allow selection on PPC32 Jonathan Neuschäfer
2018-02-20 23:46   ` kbuild test robot
2018-02-21 16:08     ` Jonathan Neuschäfer
2018-02-21 17:53       ` christophe leroy [this message]
2018-02-20 16:14 ` [PATCH 6/6] powerpc: wii: Don't rely on reserved memory hack if DISCONTIGMEM is set Jonathan Neuschäfer
2018-02-21  7:06 ` [PATCH 0/6] DISCONTIGMEM support for PPC32 Christophe LEROY
2018-02-21 14:42   ` Jonathan Neuschäfer
2018-02-21 15:02     ` Christophe LEROY
2018-02-21 16:52       ` Jonathan Neuschäfer
2018-02-21 23:31       ` Jonathan Neuschäfer

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=a0c7806e-e06e-eb6c-416b-022bdc36d757@c-s.fr \
    --to=christophe.leroy@c-s.fr \
    --cc=bauerman@linux.vnet.ibm.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=j.neuschaefer@gmx.net \
    --cc=joel@jms.id.au \
    --cc=kbuild-all@01.org \
    --cc=keescook@chromium.org \
    --cc=kstewart@linuxfoundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=mwb@linux.vnet.ibm.com \
    --cc=nfont@linux.vnet.ibm.com \
    --cc=paulus@samba.org \
    --cc=pombredanne@nexb.com \
    --cc=tglx@linutronix.de \
    /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

all inboxes | Powered by JetHome®