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Message-ID: <20230327165038.00002037@Huawei.com>
Date: Mon, 27 Mar 2023 16:50:38 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: kernel test robot <lkp@...el.com>
CC: Liang Kan <kan.liang@...ux.intel.com>, <linux-cxl@...r.kernel.org>,
<peterz@...radead.org>, <oe-kbuild-all@...ts.linux.dev>,
<mingo@...hat.com>, <acme@...nel.org>, <mark.rutland@....com>,
<will@...nel.org>, <dan.j.williams@...el.com>,
<linuxarm@...wei.com>, <linux-perf-users@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
"Davidlohr Bueso" <dave@...olabs.net>,
Dave Jiang <dave.jiang@...el.com>
Subject: Re: [PATCH v2 4/5] cxl: CXL Performance Monitoring Unit driver
On Sat, 25 Mar 2023 05:12:01 +0800
kernel test robot <lkp@...el.com> wrote:
> Hi Jonathan,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on acme/perf/core]
> [also build test ERROR on tip/perf/core cxl/next cxl/pending linus/master v6.3-rc3 next-20230324]
> [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/Jonathan-Cameron/cxl-Add-function-to-count-regblocks-of-a-given-type/20230325-011827
> base: https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git perf/core
> patch link: https://lore.kernel.org/r/20230324171313.18448-5-Jonathan.Cameron%40huawei.com
> patch subject: [PATCH v2 4/5] cxl: CXL Performance Monitoring Unit driver
> config: parisc-randconfig-r036-20230324 (https://download.01.org/0day-ci/archive/20230325/202303250523.JdddC4Ld-lkp@intel.com/config)
> compiler: hppa-linux-gcc (GCC) 12.1.0
> 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/intel-lab-lkp/linux/commit/a04f0052a1fa10bda54569c8c7b3ab7fe60ca975
> git remote add linux-review https://github.com/intel-lab-lkp/linux
> git fetch --no-tags linux-review Jonathan-Cameron/cxl-Add-function-to-count-regblocks-of-a-given-type/20230325-011827
> git checkout a04f0052a1fa10bda54569c8c7b3ab7fe60ca975
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc olddefconfig
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash drivers/cxl/
Wow. This wasn't one of my best :(
Anyhow thanks for the reports + detailed build description.
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@...el.com>
> | Link: https://lore.kernel.org/oe-kbuild-all/202303250523.JdddC4Ld-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
> drivers/cxl/cpmu.c: In function 'cpmu_parse_caps':
> drivers/cxl/cpmu.c:101:15: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
> 101 | val = readq(base + CPMU_CAP_REG);
Added include of linux/io-64-non-atomic-lo-hi.h
> | ^~~~~
> | readl
> In file included from <command-line>:
> drivers/cxl/cpmu.c: In function 'cpmu_config_get_mask':
> >> drivers/cxl/cpmu.c:416:51: error: 'struct perf_event' has no member named 'attr'
> 416 | return FIELD_GET(GENMASK_ULL(31, 0), event->attr.config);
Added depends on PERF_EVENTS
which I'd missed because it comes for free if a driver is under the drivers/perf/Kconfig menu.
> drivers/cxl/cpmu.c:578:24: note: in expansion of macro 'GENMASK'
> 578 | writeq(GENMASK(63, 0), base + CPMU_FREEZE_REG);
GENMASK_ULL() here and a couple of other places where it's not a compile
time constant.
> >> drivers/cxl/cpmu.c:632:9: error: implicit declaration of function 'local64_set'; did you mean 'local_set'? [-Werror=implicit-function-declaration]
> 632 | local64_set(&hwc->prev_count, 0);
> | ^~~~~~~~~~~
> | local_set
...
> >> drivers/cxl/cpmu.c:636:28: error: implicit declaration of function 'local64_read'; did you mean 'local_read'? [-Werror=implicit-function-declaration]
> 636 | prev_cnt = local64_read(&hwc->prev_count);
> | ^~~~~~~~~~~~
> | local_read
> drivers/cxl/cpmu.c:636:45: error: 'struct hw_perf_event' has no member named 'prev_count'
> 636 | prev_cnt = local64_read(&hwc->prev_count);
> | ^~
> drivers/cxl/cpmu.c:637:61: error: 'struct hw_perf_event' has no member named 'idx'
> 637 | writeq(prev_cnt, base + CPMU_COUNTER_REG(hwc->idx));
> | ^~
> drivers/cxl/cpmu.h:46:63: note: in definition of macro 'CPMU_COUNTER_REG'
> 46 | #define CPMU_COUNTER_REG(n) (0xc00 + 8 * (n))
> | ^
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