From: kbuild test robot <lkp@intel.com>
To: Andrzej Hajda <a.hajda@samsung.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
Andrzej Hajda <a.hajda@samsung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Andrew Morton <akpm@linux-foundation.org>,
Viresh Kumar <viresh.kumar@linaro.org>
Subject: Re: [PATCH] err.h: add type checking to IS_ERR_VALUE macro
Date: Fri, 18 Dec 2015 19:28:45 +0800 [thread overview]
Message-ID: <201512181953.qgRNBmXm%fengguang.wu@intel.com> (raw)
In-Reply-To: <1450436102-6360-1-git-send-email-a.hajda@samsung.com>
[-- Attachment #1: Type: text/plain, Size: 3223 bytes --]
Hi Andrzej,
[auto build test ERROR on v4.4-rc5]
[also build test ERROR on next-20151217]
url: https://github.com/0day-ci/linux/commits/Andrzej-Hajda/err-h-add-type-checking-to-IS_ERR_VALUE-macro/20151218-185839
config: i386-randconfig-s1-201550 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All error/warnings (new ones prefixed by >>):
In file included from include/linux/linkage.h:4:0,
from include/linux/preempt.h:9,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/mm.h:9,
from drivers/char/mem.c:11:
drivers/char/mem.c: In function 'memory_lseek':
>> include/linux/compiler.h:484:38: error: call to '__compiletime_assert_698' declared with attribute error: Invalid IS_ERR_VALUE argument type
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:467:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^
include/linux/compiler.h:484:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
>> include/linux/err.h:24:5: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG((typeof(x))(-MAX_ERRNO) != (unsigned long)-MAX_ERRNO, "Invalid IS_ERR_VALUE argument type");\
^
>> drivers/char/mem.c:698:7: note: in expansion of macro 'IS_ERR_VALUE'
if (IS_ERR_VALUE((unsigned long long)offset)) {
^
vim +/__compiletime_assert_698 +484 include/linux/compiler.h
9a8ab1c3 Daniel Santos 2013-02-21 478 *
9a8ab1c3 Daniel Santos 2013-02-21 479 * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21 480 * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21 481 * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21 482 */
9a8ab1c3 Daniel Santos 2013-02-21 483 #define compiletime_assert(condition, msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @484 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21 485
47933ad4 Peter Zijlstra 2013-11-06 486 #define compiletime_assert_atomic_type(t) \
47933ad4 Peter Zijlstra 2013-11-06 487 compiletime_assert(__native_word(t), \
:::::: The code at line 484 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG
:::::: TO: Daniel Santos <daniel.santos@pobox.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/octet-stream, Size: 26107 bytes --]
prev parent reply other threads:[~2015-12-18 11:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-18 10:55 [PATCH] err.h: add type checking to IS_ERR_VALUE macro Andrzej Hajda
2015-12-18 11:08 ` kbuild test robot
2015-12-18 11:22 ` kbuild test robot
2015-12-18 14:02 ` Andrzej Hajda
2015-12-18 11:28 ` kbuild test robot [this message]
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=201512181953.qgRNBmXm%fengguang.wu@intel.com \
--to=lkp@intel.com \
--cc=a.hajda@samsung.com \
--cc=akpm@linux-foundation.org \
--cc=b.zolnierkie@samsung.com \
--cc=kbuild-all@01.org \
--cc=linux-kernel@vger.kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=viresh.kumar@linaro.org \
/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;
as well as URLs for NNTP newsgroup(s).