* [xilinx-xlnx:xlnx_rebase_v5.15_LTS 498/1197] include/vdso/bits.h:7:40: warning: left shift count >= width of type
@ 2022-06-26 7:18 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-06-26 7:18 UTC (permalink / raw)
To: Harini Katakam
Cc: kbuild-all, linux-arm-kernel, Michal Simek, Radhey Shyam Pandey
Hi Harini,
FYI, the error/warning still remains.
tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15_LTS
head: 1e67f149fb5eb4f5eb4e0d4f69194eac6d2497d7
commit: 98c6cc90c5d398e87b8602a47eb26f9702064a0d [498/1197] ptp: Add Xilinx PTP timer driver
config: mips-allmodconfig
compiler: mips-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/Xilinx/linux-xlnx/commit/98c6cc90c5d398e87b8602a47eb26f9702064a0d
git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.15_LTS
git checkout 98c6cc90c5d398e87b8602a47eb26f9702064a0d
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/xlnx/ drivers/media/platform/xilinx/ drivers/phy/xilinx/ drivers/ptp/ drivers/staging/ drivers/uio/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/ratelimit_types.h:5,
from include/linux/ratelimit.h:5,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from drivers/ptp/ptp_xilinx.c:8:
drivers/ptp/ptp_xilinx.c: In function 'xlnx_tod_read':
include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative]
36 | (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
| ^~
include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~
drivers/ptp/ptp_xilinx.c:53:41: note: in expansion of macro 'GENMASK'
53 | #define XPTPTIMER_MAX_SEC_MASK GENMASK(XPTPTIMER_MAX_SEC_SIZE - 1, 0)
| ^~~~~~~
drivers/ptp/ptp_xilinx.c:107:51: note: in expansion of macro 'XPTPTIMER_MAX_SEC_MASK'
107 | ts->tv_sec = (((u64)sech << 32) | secl) & XPTPTIMER_MAX_SEC_MASK;
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/bits.h:6,
from include/linux/ratelimit_types.h:5,
from include/linux/ratelimit.h:5,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from drivers/ptp/ptp_xilinx.c:8:
drivers/ptp/ptp_xilinx.c: In function 'xlnx_ptp_adjtime':
>> include/vdso/bits.h:7:40: warning: left shift count >= width of type [-Wshift-count-overflow]
7 | #define BIT(nr) (UL(1) << (nr))
| ^~
drivers/ptp/ptp_xilinx.c:55:41: note: in expansion of macro 'BIT'
55 | #define XPTPTIMER_TOD_OFFSET_NEG BIT(47)
| ^~~
drivers/ptp/ptp_xilinx.c:216:24: note: in expansion of macro 'XPTPTIMER_TOD_OFFSET_NEG'
216 | sign = XPTPTIMER_TOD_OFFSET_NEG;
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/ratelimit_types.h:5,
from include/linux/ratelimit.h:5,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from drivers/ptp/ptp_xilinx.c:8:
drivers/ptp/ptp_xilinx.c: In function 'xlnx_ptp_timer_probe':
include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative]
36 | (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
| ^~
include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~
drivers/ptp/ptp_xilinx.c:53:41: note: in expansion of macro 'GENMASK'
53 | #define XPTPTIMER_MAX_SEC_MASK GENMASK(XPTPTIMER_MAX_SEC_SIZE - 1, 0)
| ^~~~~~~
drivers/ptp/ptp_xilinx.c:347:50: note: in expansion of macro 'XPTPTIMER_MAX_SEC_MASK'
347 | ts.tv_sec = (((u64)sech << 32) | secl) & XPTPTIMER_MAX_SEC_MASK;
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative]
36 | (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
| ^~
include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~
drivers/ptp/ptp_xilinx.c:53:41: note: in expansion of macro 'GENMASK'
53 | #define XPTPTIMER_MAX_SEC_MASK GENMASK(XPTPTIMER_MAX_SEC_SIZE - 1, 0)
| ^~~~~~~
drivers/ptp/ptp_xilinx.c:353:51: note: in expansion of macro 'XPTPTIMER_MAX_SEC_MASK'
353 | tsp.tv_sec = (((u64)sech << 32) | secl) & XPTPTIMER_MAX_SEC_MASK;
| ^~~~~~~~~~~~~~~~~~~~~~
vim +7 include/vdso/bits.h
3945ff37d2f48d Vincenzo Frascino 2020-03-20 6
3945ff37d2f48d Vincenzo Frascino 2020-03-20 @7 #define BIT(nr) (UL(1) << (nr))
3945ff37d2f48d Vincenzo Frascino 2020-03-20 8
:::::: The code at line 7 was first introduced by commit
:::::: 3945ff37d2f48d39fd1751d282c80176654049e4 linux/bits.h: Extract common header for vDSO
:::::: TO: Vincenzo Frascino <vincenzo.frascino@arm.com>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2022-06-26 7:21 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-06-26 7:18 [xilinx-xlnx:xlnx_rebase_v5.15_LTS 498/1197] include/vdso/bits.h:7:40: warning: left shift count >= width of type kernel test robot
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.