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From: kernel test robot <lkp@intel.com>
To: Andrii Nakryiko <andrii@kernel.org>,
	bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net
Cc: kbuild-all@lists.01.org, andrii@kernel.org, kernel-team@fb.com,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH bpf-next 05/14] bpf: allow to specify user-provided context value for BPF perf links
Date: Mon, 26 Jul 2021 05:01:53 +0800	[thread overview]
Message-ID: <202107260441.7VT03OE1-lkp@intel.com> (raw)
In-Reply-To: <20210725173845.2593626-6-andrii@kernel.org>

[-- Attachment #1: Type: text/plain, Size: 2587 bytes --]

Hi Andrii,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Andrii-Nakryiko/BPF-perf-link-and-user-provided-context-value/20210726-014304
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: nds32-defconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 10.3.0
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/0day-ci/linux/commit/7832c315a55580b578d21777a0c9476c62edd503
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andrii-Nakryiko/BPF-perf-link-and-user-provided-context-value/20210726-014304
        git checkout 7832c315a55580b578d21777a0c9476c62edd503
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> kernel/events/core.c:10073:5: error: conflicting types for 'perf_event_set_bpf_prog'
   10073 | int perf_event_set_bpf_prog(struct perf_event *event, struct bpf_prog *prog)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:87,
                    from kernel/events/core.c:34:
   include/linux/trace_events.h:807:5: note: previous declaration of 'perf_event_set_bpf_prog' was here
     807 | int perf_event_set_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 user_ctx);
         |     ^~~~~~~~~~~~~~~~~~~~~~~


vim +/perf_event_set_bpf_prog +10073 kernel/events/core.c

6fb2915df7f074 kernel/perf_event.c  Li Zefan           2009-10-15  10072  
aebdacfee76037 kernel/events/core.c Andrii Nakryiko    2021-07-25 @10073  int perf_event_set_bpf_prog(struct perf_event *event, struct bpf_prog *prog)
2541517c32be25 kernel/events/core.c Alexei Starovoitov 2015-03-25  10074  {
2541517c32be25 kernel/events/core.c Alexei Starovoitov 2015-03-25  10075  	return -ENOENT;
2541517c32be25 kernel/events/core.c Alexei Starovoitov 2015-03-25  10076  }
2541517c32be25 kernel/events/core.c Alexei Starovoitov 2015-03-25  10077  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH bpf-next 05/14] bpf: allow to specify user-provided context value for BPF perf links
Date: Mon, 26 Jul 2021 05:01:53 +0800	[thread overview]
Message-ID: <202107260441.7VT03OE1-lkp@intel.com> (raw)
In-Reply-To: <20210725173845.2593626-6-andrii@kernel.org>

[-- Attachment #1: Type: text/plain, Size: 2638 bytes --]

Hi Andrii,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Andrii-Nakryiko/BPF-perf-link-and-user-provided-context-value/20210726-014304
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: nds32-defconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 10.3.0
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/0day-ci/linux/commit/7832c315a55580b578d21777a0c9476c62edd503
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andrii-Nakryiko/BPF-perf-link-and-user-provided-context-value/20210726-014304
        git checkout 7832c315a55580b578d21777a0c9476c62edd503
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> kernel/events/core.c:10073:5: error: conflicting types for 'perf_event_set_bpf_prog'
   10073 | int perf_event_set_bpf_prog(struct perf_event *event, struct bpf_prog *prog)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:87,
                    from kernel/events/core.c:34:
   include/linux/trace_events.h:807:5: note: previous declaration of 'perf_event_set_bpf_prog' was here
     807 | int perf_event_set_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 user_ctx);
         |     ^~~~~~~~~~~~~~~~~~~~~~~


vim +/perf_event_set_bpf_prog +10073 kernel/events/core.c

6fb2915df7f074 kernel/perf_event.c  Li Zefan           2009-10-15  10072  
aebdacfee76037 kernel/events/core.c Andrii Nakryiko    2021-07-25 @10073  int perf_event_set_bpf_prog(struct perf_event *event, struct bpf_prog *prog)
2541517c32be25 kernel/events/core.c Alexei Starovoitov 2015-03-25  10074  {
2541517c32be25 kernel/events/core.c Alexei Starovoitov 2015-03-25  10075  	return -ENOENT;
2541517c32be25 kernel/events/core.c Alexei Starovoitov 2015-03-25  10076  }
2541517c32be25 kernel/events/core.c Alexei Starovoitov 2015-03-25  10077  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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  parent reply	other threads:[~2021-07-25 21:02 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-25 17:38 [PATCH bpf-next 00/14] BPF perf link and user-provided context value Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 01/14] bpf: refactor BPF_PROG_RUN into a function Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 02/14] bpf: refactor BPF_PROG_RUN_ARRAY family of macros into functions Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 03/14] bpf: refactor perf_event_set_bpf_prog() to use struct bpf_prog input Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 04/14] bpf: implement minimal BPF perf link Andrii Nakryiko
2021-07-25 19:52   ` kernel test robot
2021-07-25 19:52     ` kernel test robot
2021-07-25 20:09     ` Andrii Nakryiko
2021-07-25 20:09       ` Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 05/14] bpf: allow to specify user-provided context value for BPF perf links Andrii Nakryiko
2021-07-25 19:52   ` kernel test robot
2021-07-25 19:52     ` kernel test robot
2021-07-25 21:01   ` kernel test robot [this message]
2021-07-25 21:01     ` kernel test robot
2021-07-25 17:38 ` [PATCH bpf-next 06/14] bpf: add bpf_get_user_ctx() BPF helper to access user_ctx value Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 07/14] libbpf: re-build libbpf.so when libbpf.map changes Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 08/14] libbpf: remove unused bpf_link's destroy operation, but add dealloc Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 09/14] libbpf: use BPF perf link when supported by kernel Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 10/14] libbpf: add user_ctx support to bpf_link_create() API Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 11/14] libbpf: add user_ctx to perf_event, kprobe, uprobe, and tp attach APIs Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 12/14] selftests/bpf: test low-level perf BPF link API Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 13/14] selftests/bpf: extract uprobe-related helpers into trace_helpers.{c,h} Andrii Nakryiko
2021-07-25 17:38 ` [PATCH bpf-next 14/14] selftests/bpf: add user_ctx selftests for high-level APIs Andrii Nakryiko

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