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Message-ID: <202305311005.YR2SisSe-lkp@intel.com>
Date: Wed, 31 May 2023 10:58:06 +0800
From: kernel test robot <lkp@...el.com>
To: Jing Zhang <renyu.zj@...ux.alibaba.com>,
John Garry <john.g.garry@...cle.com>,
Ian Rogers <irogers@...gle.com>, Will Deacon <will@...nel.org>,
Shuai Xue <xueshuai@...ux.alibaba.com>,
Robin Murphy <robin.murphy@....com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
James Clark <james.clark@....com>,
Mike Leach <mike.leach@...aro.org>,
Leo Yan <leo.yan@...aro.org>,
Mark Rutland <mark.rutland@....com>,
Ilkka Koskinen <ilkka@...amperecomputing.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-perf-users@...r.kernel.org,
Zhuo Song <zhuo.song@...ux.alibaba.com>,
Jing Zhang <renyu.zj@...ux.alibaba.com>
Subject: Re: [PATCH v3 1/7] driver/perf: Add identifier sysfs file for CMN
Hi Jing,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tip/perf/core]
[also build test WARNING on acme/perf/core arm-perf/for-next/perf linus/master v6.4-rc4 next-20230530]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Jing-Zhang/driver-perf-Add-identifier-sysfs-file-for-CMN/20230530-172139
base: tip/perf/core
patch link: https://lore.kernel.org/r/1685438374-33287-2-git-send-email-renyu.zj%40linux.alibaba.com
patch subject: [PATCH v3 1/7] driver/perf: Add identifier sysfs file for CMN
config: hexagon-buildonly-randconfig-r006-20230530 (https://download.01.org/0day-ci/archive/20230531/202305311005.YR2SisSe-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/c7483d062f1b91e98b028fa720b8a98b94ec9bc5
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Jing-Zhang/driver-perf-Add-identifier-sysfs-file-for-CMN/20230530-172139
git checkout c7483d062f1b91e98b028fa720b8a98b94ec9bc5
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/perf/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305311005.YR2SisSe-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/perf/arm-cmn.c:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/perf/arm-cmn.c:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/perf/arm-cmn.c:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> drivers/perf/arm-cmn.c:2379:41: warning: unused variable 'arm_cmn600_data' [-Wunused-const-variable]
static const struct arm_cmn_device_data arm_cmn600_data = {
^
>> drivers/perf/arm-cmn.c:2384:41: warning: unused variable 'arm_cmn650_data' [-Wunused-const-variable]
static const struct arm_cmn_device_data arm_cmn650_data = {
^
>> drivers/perf/arm-cmn.c:2389:41: warning: unused variable 'arm_cmn700_data' [-Wunused-const-variable]
static const struct arm_cmn_device_data arm_cmn700_data = {
^
>> drivers/perf/arm-cmn.c:2394:41: warning: unused variable 'arm_ci700_data' [-Wunused-const-variable]
static const struct arm_cmn_device_data arm_ci700_data = {
^
10 warnings generated.
vim +/arm_cmn600_data +2379 drivers/perf/arm-cmn.c
2378
> 2379 static const struct arm_cmn_device_data arm_cmn600_data = {
2380 .model_name = "arm_cmn600",
2381 .model = CMN600
2382 };
2383
> 2384 static const struct arm_cmn_device_data arm_cmn650_data = {
2385 .model_name = "arm_cmn650",
2386 .model = CMN650
2387 };
2388
> 2389 static const struct arm_cmn_device_data arm_cmn700_data = {
2390 .model_name = "arm_cmn700",
2391 .model = CMN700
2392 };
2393
> 2394 static const struct arm_cmn_device_data arm_ci700_data = {
2395 .model_name = "arm_ci700",
2396 .model = CI700
2397 };
2398
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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