From: kernel test robot <lkp@intel.com>
To: Conor Dooley <conor+lkp@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [conor:pcie-fix-series 2/10] include/uapi/linux/const.h:20:19: warning: large integer implicitly truncated to unsigned type
Date: Wed, 12 Jun 2024 08:11:10 +0800 [thread overview]
Message-ID: <202406120856.AcCSUBI4-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git pcie-fix-series
head: 91793dfd9508b4d9d7b2922cf1d76012848a7f58
commit: 3ec01400bd0a58b64fcbf0bc190ea114dff2364f [2/10] PCI: microchip: Fix inbound address translation tables
config: i386-randconfig-016-20240612 (https://download.01.org/0day-ci/archive/20240612/202406120856.AcCSUBI4-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240612/202406120856.AcCSUBI4-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406120856.AcCSUBI4-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/vdso/const.h:5:0,
from include/linux/const.h:4,
from include/linux/align.h:5,
from include/linux/kernel.h:15,
from include/linux/clk.h:13,
from drivers/pci/controller/pcie-microchip-host.c:11:
drivers/pci/controller/pcie-microchip-host.c: In function 'mc_pcie_setup_inbound_ranges':
>> include/uapi/linux/const.h:20:19: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define __AC(X,Y) (X##Y)
^
include/uapi/linux/const.h:21:18: note: in expansion of macro '__AC'
#define _AC(X,Y) __AC(X,Y)
^~~~
include/linux/sizes.h:46:18: note: in expansion of macro '_AC'
#define SZ_4G _AC(0x100000000, ULL)
^~~
drivers/pci/controller/pcie-microchip-host.c:1003:39: note: in expansion of macro 'SZ_4G'
mc_pcie_setup_inbound_atr(0, 0, 0, SZ_4G);
^~~~~
vim +20 include/uapi/linux/const.h
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 6
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 7 /* Some constant macros are used in both assembler and
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 8 * C code. Therefore we cannot annotate them always with
6df95fd7ad9a84 include/linux/const.h Randy Dunlap 2007-05-08 9 * 'UL' and other type specifiers unilaterally. We
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 10 * use the following macros to deal with this.
74ef649fe847fd include/linux/const.h Jeremy Fitzhardinge 2008-01-30 11 *
74ef649fe847fd include/linux/const.h Jeremy Fitzhardinge 2008-01-30 12 * Similarly, _AT() will cast an expression with a type in C, but
74ef649fe847fd include/linux/const.h Jeremy Fitzhardinge 2008-01-30 13 * leave it unchanged in asm.
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 14 */
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 15
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 16 #ifdef __ASSEMBLY__
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 17 #define _AC(X,Y) X
74ef649fe847fd include/linux/const.h Jeremy Fitzhardinge 2008-01-30 18 #define _AT(T,X) X
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 19 #else
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 @20 #define __AC(X,Y) (X##Y)
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 21 #define _AC(X,Y) __AC(X,Y)
74ef649fe847fd include/linux/const.h Jeremy Fitzhardinge 2008-01-30 22 #define _AT(T,X) ((T)(X))
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 23 #endif
9d291e787b2b71 include/asm-x86_64/const.h Vivek Goyal 2007-05-02 24
:::::: The code at line 20 was first introduced by commit
:::::: 9d291e787b2b71d1b57e5fbb24ba9c70e748ed84 [PATCH] x86-64: Assembly safe page.h and pgtable.h
:::::: TO: Vivek Goyal <vgoyal@in.ibm.com>
:::::: CC: Andi Kleen <andi@basil.nowhere.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2024-06-12 0:11 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=202406120856.AcCSUBI4-lkp@intel.com \
--to=lkp@intel.com \
--cc=conor+lkp@kernel.org \
--cc=oe-kbuild-all@lists.linux.dev \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.