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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 10 Feb 2016 11:55:07 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dan Williams <dan.j.williams@...el.com>
Subject: Re: linux-next: build failure after merge of the akpm-current tree

On Wed, 10 Feb 2016 16:55:14 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi Andrew,
> 
> After merging the akpm-current tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> In file included from arch/x86/include/asm/bug.h:35:0,
>                  from include/linux/bug.h:4,
>                  from include/linux/thread_info.h:11,
>                  from arch/x86/include/asm/preempt.h:6,
>                  from include/linux/preempt.h:59,
>                  from include/linux/radix-tree.h:25,
>                  from kernel/memremap.c:13:
> kernel/memremap.c: In function 'devm_memremap_pages_release':
> kernel/memremap.c:230:54: error: expected ')' before '__func__'
>    dev_WARN(dev, "%s: page mapping is still live!\n", __func__);
>                                                       ^
> include/asm-generic/bug.h:74:69: note: in definition of macro '__WARN_printf'
>  #define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg)
>                                                                      ^
> include/linux/device.h:1312:2: note: in expansion of macro 'WARN'
>   WARN(condition, "%s %s: " format,   \
>   ^
> kernel/memremap.c:230:3: note: in expansion of macro 'dev_WARN'
>    dev_WARN(dev, "%s: page mapping is still live!\n", __func__);
>    ^
> include/linux/device.h:1312:18: warning: format '%s' expects a matching 'char *' argument [-Wformat=]
>   WARN(condition, "%s %s: " format,   \
>                   ^
> include/asm-generic/bug.h:74:69: note: in definition of macro '__WARN_printf'
>  #define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg)
>                                                                      ^
> include/linux/device.h:1312:2: note: in expansion of macro 'WARN'
>   WARN(condition, "%s %s: " format,   \
>   ^
> kernel/memremap.c:230:3: note: in expansion of macro 'dev_WARN'
>    dev_WARN(dev, "%s: page mapping is still live!\n", __func__);
>    ^
> 
> Probably exposed by commit
> 
>   27ffb3827ac7 ("mm: CONFIG_NR_ZONES_EXTENDED")
> 
> originally caused by commit
> 
>   5c2c2587b132 ("mm, dax, pmem: introduce {get|put}_dev_pagemap() for dax-gup")
> 
> which was added in v4.5-rc1.
> 
> I added the below patch for today but then discovered the waiting patch
> in the akpm tree ("kernel/memremap.c: add new arg to dev_WARN") which
> should be sent to Linus ASAP (and should have appeared much earlier in
> the series).

kernel-memremapc-add-new-arg-to-dev_warn.patch fixes ee49ac85bc24b946
("treewide: let dev_WARN() accept a condition") which is only in
linux-next?