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Date: Fri, 14 Dec 2018 22:13:29 +0800
From: kbuild test robot <lkp@...el.com>
To: Ashish Mhetre <amhetre@...dia.com>
Cc: kbuild-all@...org, herbert@...dor.apana.org.au,
davem@...emloft.net, axboe@...nel.dk, adrian.hunter@...el.com,
ulf.hansson@...aro.org, linux-crypto@...r.kernel.org,
linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
vdumpa@...dia.com, mmaddireddy@...dia.com, Snikam@...dia.com,
linux-tegra@...r.kernel.org, Ashish Mhetre <amhetre@...dia.com>
Subject: Re: [PATCH] scatterlist: Update size type to support greater then
4GB size.
Hi Krishna,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.20-rc6 next-20181214]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Ashish-Mhetre/scatterlist-Update-size-type-to-support-greater-then-4GB-size/20181214-214801
config: x86_64-randconfig-x000-201849 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
In file included from include/linux/init.h:5:0,
from drivers/nvme//host/fabrics.c:15:
drivers/nvme//host/fabrics.c: In function 'nvmf_exit':
>> include/linux/compiler.h:372:38: error: call to '__compiletime_assert_1149' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct nvmf_connect_command) != 64
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:353:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:372:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:69:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> drivers/nvme//host/fabrics.c:1149:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(sizeof(struct nvmf_connect_command) != 64);
^~~~~~~~~~~~
--
In file included from include/linux/init.h:5:0,
from drivers/nvme/host/fabrics.c:15:
drivers/nvme/host/fabrics.c: In function 'nvmf_exit':
>> include/linux/compiler.h:372:38: error: call to '__compiletime_assert_1149' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct nvmf_connect_command) != 64
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:353:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:372:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:69:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/nvme/host/fabrics.c:1149:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(sizeof(struct nvmf_connect_command) != 64);
^~~~~~~~~~~~
vim +/__compiletime_assert_1149 +372 include/linux/compiler.h
9a8ab1c3 Daniel Santos 2013-02-21 358
9a8ab1c3 Daniel Santos 2013-02-21 359 #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c3 Daniel Santos 2013-02-21 360 __compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c3 Daniel Santos 2013-02-21 361
9a8ab1c3 Daniel Santos 2013-02-21 362 /**
9a8ab1c3 Daniel Santos 2013-02-21 363 * compiletime_assert - break build and emit msg if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 364 * @condition: a compile-time constant condition to check
9a8ab1c3 Daniel Santos 2013-02-21 365 * @msg: a message to emit if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 366 *
9a8ab1c3 Daniel Santos 2013-02-21 367 * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21 368 * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21 369 * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21 370 */
9a8ab1c3 Daniel Santos 2013-02-21 371 #define compiletime_assert(condition, msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @372 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21 373
:::::: The code at line 372 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG
:::::: TO: Daniel Santos <daniel.santos@...ox.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
---
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