From: kbuild test robot <lkp@intel.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
labbott@fedoraproject.org, will.deacon@arm.com,
sboyd@codeaurora.org, gregory.clement@free-electrons.com,
james.greenhalgh@arm.com, mingo@kernel.org, peterz@infradead.org,
markus@trippelsdorf.de, akpm@linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
torvalds@linux-foundation.org, joe@perches.com,
Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: Re: [PATCH] log2: make order_base_2() behave correctly on const input value zero
Date: Fri, 3 Feb 2017 01:55:04 +0800 [thread overview]
Message-ID: <201702030116.NLDaC57r%fengguang.wu@intel.com> (raw)
In-Reply-To: <1486055052-6442-1-git-send-email-ard.biesheuvel@linaro.org>
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Hi Ard,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.10-rc6 next-20170202]
[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/Ard-Biesheuvel/log2-make-order_base_2-behave-correctly-on-const-input-value-zero/20170203-012201
config: i386-defconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/drm_bufs.c:36:0:
drivers/gpu/drm/drm_bufs.c: In function 'drm_addmap_core':
>> drivers/gpu/drm/drm_bufs.c:239:13: warning: format '%d' expects argument of type 'int', but argument 5 has type 'long unsigned int' [-Wformat=]
DRM_DEBUG("%lu %d %p\n",
^
include/drm/drmP.h:222:38: note: in definition of macro 'DRM_DEBUG'
drm_printk(KERN_DEBUG, DRM_UT_CORE, fmt, ##__VA_ARGS__)
^~~
vim +239 drivers/gpu/drm/drm_bufs.c
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 223 break;
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 224 case _DRM_SHM:
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 225 list = drm_find_matching_map(dev, map);
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 226 if (list != NULL) {
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 227 if(list->map->size != map->size) {
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 228 DRM_DEBUG("Matching maps of type %d with "
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 229 "mismatched sizes, (%ld vs %ld)\n",
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 230 map->type, map->size, list->map->size);
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 231 list->map->size = map->size;
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 232 }
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 233
9a298b2ac drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 234 kfree(map);
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 235 *maplist = list;
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 236 return 0;
54ba2f76e drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 237 }
f239b7b0c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2007-01-08 238 map->handle = vmalloc_user(map->size);
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 @239 DRM_DEBUG("%lu %d %p\n",
04420c9c6 drivers/gpu/drm/drm_bufs.c Daniel Vetter 2013-07-10 240 map->size, order_base_2(map->size), map->handle);
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 241 if (!map->handle) {
9a298b2ac drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 242 kfree(map);
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 243 return -ENOMEM;
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 244 }
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 245 map->offset = (unsigned long)map->handle;
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 246 if (map->flags & _DRM_CONTAINS_LOCK) {
^1da177e4 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 247 /* Prevent a 2nd X Server from creating a 2nd lock */
:::::: The code at line 239 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2017-02-02 17:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-02 17:04 Ard Biesheuvel
2017-02-02 17:55 ` kbuild test robot [this message]
2017-02-02 19:17 ` kbuild test robot
2017-02-02 20:49 ` Linus Torvalds
2017-02-02 20:51 ` Ard Biesheuvel
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