From: kbuild test robot <lkp@intel.com>
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: kbuild-all@01.org, Andrew Morton <akpm@linux-foundation.org>,
David Howells <dhowells@redhat.com>,
linux-arm-kernel@lists.infradead.org,
Masahiro Yamada <yamada.masahiro@socionext.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 5/5] linux/const.h: move BIT(_ULL) to linux/const.h for use in assembly
Date: Sat, 24 Feb 2018 13:00:42 +0800 [thread overview]
Message-ID: <201802241211.z062884N%fengguang.wu@intel.com> (raw)
In-Reply-To: <1519301715-31798-6-git-send-email-yamada.masahiro@socionext.com>
[-- Attachment #1: Type: text/plain, Size: 4398 bytes --]
Hi Masahiro,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v4.16-rc2 next-20180223]
[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/Masahiro-Yamada/linux-const-h-cleanups-of-macros-such-as-UL-_BITUL-BIT-etc/20180224-110702
config: i386-allmodconfig (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=i386
All warnings (new ones prefixed by >>):
In file included from include/linux/const.h:4:0,
from include/linux/bitops.h:4,
from include/linux/kernel.h:11,
from include/linux/interrupt.h:6,
from drivers/infiniband/hw/bnxt_re/ib_verbs.c:39:
drivers/infiniband/hw/bnxt_re/ib_verbs.c: In function 'bnxt_re_query_device':
>> include/uapi/linux/const.h:28:27: warning: left shift count >= width of type [-Wshift-count-overflow]
#define _BITUL(x) (_UL(1) << (x))
^
>> include/linux/const.h:9:18: note: in expansion of macro '_BITUL'
#define BIT(x) (_BITUL(x))
^~~~~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:61:34: note: in expansion of macro 'BIT'
#define BNXT_RE_MAX_MR_SIZE_HIGH BIT(39)
^~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:62:30: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE_HIGH'
#define BNXT_RE_MAX_MR_SIZE BNXT_RE_MAX_MR_SIZE_HIGH
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/bnxt_re/ib_verbs.c:149:25: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE'
ib_attr->max_mr_size = BNXT_RE_MAX_MR_SIZE;
^~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/bnxt_re/ib_verbs.c: In function 'bnxt_re_reg_user_mr':
>> include/uapi/linux/const.h:28:27: warning: left shift count >= width of type [-Wshift-count-overflow]
#define _BITUL(x) (_UL(1) << (x))
^
>> include/linux/const.h:9:18: note: in expansion of macro '_BITUL'
#define BIT(x) (_BITUL(x))
^~~~~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:61:34: note: in expansion of macro 'BIT'
#define BNXT_RE_MAX_MR_SIZE_HIGH BIT(39)
^~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:62:30: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE_HIGH'
#define BNXT_RE_MAX_MR_SIZE BNXT_RE_MAX_MR_SIZE_HIGH
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/bnxt_re/ib_verbs.c:3588:15: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE'
if (length > BNXT_RE_MAX_MR_SIZE) {
^~~~~~~~~~~~~~~~~~~
>> include/uapi/linux/const.h:28:27: warning: left shift count >= width of type [-Wshift-count-overflow]
#define _BITUL(x) (_UL(1) << (x))
^
>> include/linux/const.h:9:18: note: in expansion of macro '_BITUL'
#define BIT(x) (_BITUL(x))
^~~~~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:61:34: note: in expansion of macro 'BIT'
#define BNXT_RE_MAX_MR_SIZE_HIGH BIT(39)
^~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:62:30: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE_HIGH'
#define BNXT_RE_MAX_MR_SIZE BNXT_RE_MAX_MR_SIZE_HIGH
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/bnxt_re/ib_verbs.c:3590:12: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE'
length, BNXT_RE_MAX_MR_SIZE);
^~~~~~~~~~~~~~~~~~~
vim +28 include/uapi/linux/const.h
5289f87f3 Masahiro Yamada 2018-02-22 27
4fac4e1b2 Masahiro Yamada 2018-02-22 @28 #define _BITUL(x) (_UL(1) << (x))
4fac4e1b2 Masahiro Yamada 2018-02-22 29 #define _BITULL(x) (_ULL(1) << (x))
2fc016c5b H. Peter Anvin 2013-04-27 30
:::::: The code at line 28 was first introduced by commit
:::::: 4fac4e1b26bc6cfec630fb48920c391d99a44940 linux/const.h: refactor _BITUL and _BITULL a bit
:::::: TO: Masahiro Yamada <yamada.masahiro@socionext.com>
:::::: CC: 0day robot <fengguang.wu@intel.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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WARNING: multiple messages have this Message-ID (diff)
From: lkp@intel.com (kbuild test robot)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 5/5] linux/const.h: move BIT(_ULL) to linux/const.h for use in assembly
Date: Sat, 24 Feb 2018 13:00:42 +0800 [thread overview]
Message-ID: <201802241211.z062884N%fengguang.wu@intel.com> (raw)
In-Reply-To: <1519301715-31798-6-git-send-email-yamada.masahiro@socionext.com>
Hi Masahiro,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v4.16-rc2 next-20180223]
[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/Masahiro-Yamada/linux-const-h-cleanups-of-macros-such-as-UL-_BITUL-BIT-etc/20180224-110702
config: i386-allmodconfig (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=i386
All warnings (new ones prefixed by >>):
In file included from include/linux/const.h:4:0,
from include/linux/bitops.h:4,
from include/linux/kernel.h:11,
from include/linux/interrupt.h:6,
from drivers/infiniband/hw/bnxt_re/ib_verbs.c:39:
drivers/infiniband/hw/bnxt_re/ib_verbs.c: In function 'bnxt_re_query_device':
>> include/uapi/linux/const.h:28:27: warning: left shift count >= width of type [-Wshift-count-overflow]
#define _BITUL(x) (_UL(1) << (x))
^
>> include/linux/const.h:9:18: note: in expansion of macro '_BITUL'
#define BIT(x) (_BITUL(x))
^~~~~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:61:34: note: in expansion of macro 'BIT'
#define BNXT_RE_MAX_MR_SIZE_HIGH BIT(39)
^~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:62:30: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE_HIGH'
#define BNXT_RE_MAX_MR_SIZE BNXT_RE_MAX_MR_SIZE_HIGH
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/bnxt_re/ib_verbs.c:149:25: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE'
ib_attr->max_mr_size = BNXT_RE_MAX_MR_SIZE;
^~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/bnxt_re/ib_verbs.c: In function 'bnxt_re_reg_user_mr':
>> include/uapi/linux/const.h:28:27: warning: left shift count >= width of type [-Wshift-count-overflow]
#define _BITUL(x) (_UL(1) << (x))
^
>> include/linux/const.h:9:18: note: in expansion of macro '_BITUL'
#define BIT(x) (_BITUL(x))
^~~~~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:61:34: note: in expansion of macro 'BIT'
#define BNXT_RE_MAX_MR_SIZE_HIGH BIT(39)
^~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:62:30: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE_HIGH'
#define BNXT_RE_MAX_MR_SIZE BNXT_RE_MAX_MR_SIZE_HIGH
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/bnxt_re/ib_verbs.c:3588:15: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE'
if (length > BNXT_RE_MAX_MR_SIZE) {
^~~~~~~~~~~~~~~~~~~
>> include/uapi/linux/const.h:28:27: warning: left shift count >= width of type [-Wshift-count-overflow]
#define _BITUL(x) (_UL(1) << (x))
^
>> include/linux/const.h:9:18: note: in expansion of macro '_BITUL'
#define BIT(x) (_BITUL(x))
^~~~~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:61:34: note: in expansion of macro 'BIT'
#define BNXT_RE_MAX_MR_SIZE_HIGH BIT(39)
^~~
drivers/infiniband/hw/bnxt_re/bnxt_re.h:62:30: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE_HIGH'
#define BNXT_RE_MAX_MR_SIZE BNXT_RE_MAX_MR_SIZE_HIGH
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/bnxt_re/ib_verbs.c:3590:12: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE'
length, BNXT_RE_MAX_MR_SIZE);
^~~~~~~~~~~~~~~~~~~
vim +28 include/uapi/linux/const.h
5289f87f3 Masahiro Yamada 2018-02-22 27
4fac4e1b2 Masahiro Yamada 2018-02-22 @28 #define _BITUL(x) (_UL(1) << (x))
4fac4e1b2 Masahiro Yamada 2018-02-22 29 #define _BITULL(x) (_ULL(1) << (x))
2fc016c5b H. Peter Anvin 2013-04-27 30
:::::: The code at line 28 was first introduced by commit
:::::: 4fac4e1b26bc6cfec630fb48920c391d99a44940 linux/const.h: refactor _BITUL and _BITULL a bit
:::::: TO: Masahiro Yamada <yamada.masahiro@socionext.com>
:::::: CC: 0day robot <fengguang.wu@intel.com>
---
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:[~2018-02-24 5:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-22 12:15 [PATCH v3 0/5] linux/const.h: cleanups of macros such as UL(), _BITUL(), BIT() etc Masahiro Yamada
2018-02-22 12:15 ` Masahiro Yamada
2018-02-22 12:15 ` [PATCH v3 1/5] linux/const.h: prefix include guard of uapi/linux/const.h with _UAPI Masahiro Yamada
2018-02-22 12:15 ` Masahiro Yamada
2018-02-22 12:15 ` [PATCH v3 2/5] m68k: rename UL() to TO_UL() Masahiro Yamada
2018-02-22 12:15 ` Masahiro Yamada
2018-02-22 13:20 ` Geert Uytterhoeven
2018-02-22 13:20 ` Geert Uytterhoeven
2018-02-22 16:58 ` Masahiro Yamada
2018-02-22 16:58 ` Masahiro Yamada
2018-02-26 9:49 ` Geert Uytterhoeven
2018-02-26 9:49 ` Geert Uytterhoeven
2018-02-22 12:15 ` [PATCH v3 3/5] linux/const.h: move UL() macro to include/linux/const.h Masahiro Yamada
2018-02-22 12:15 ` Masahiro Yamada
2018-02-22 12:15 ` [PATCH v3 4/5] linux/const.h: refactor _BITUL and _BITULL a bit Masahiro Yamada
2018-02-22 12:15 ` Masahiro Yamada
2018-02-22 12:15 ` [PATCH v3 5/5] linux/const.h: move BIT(_ULL) to linux/const.h for use in assembly Masahiro Yamada
2018-02-22 12:15 ` Masahiro Yamada
2018-02-24 5:00 ` kbuild test robot [this message]
2018-02-24 5:00 ` kbuild test robot
2018-02-26 2:13 ` Masahiro Yamada
2018-02-26 2:13 ` Masahiro Yamada
2018-03-13 8:39 ` Masahiro Yamada
2018-03-13 8:39 ` Masahiro Yamada
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