linux-kernel - [peterz-queue:perf/wip.cleanup 9/10] arch/x86/events/intel/core.c:2841:26: error: invalid operands to binary expression ('unsigned long[1]' and 'unsigned long long')

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Message-ID: <202205311016.hS64MKjw-lkp@intel.com>
Date:   Tue, 31 May 2022 10:24:23 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [peterz-queue:perf/wip.cleanup 9/10]
 arch/x86/events/intel/core.c:2841:26: error: invalid operands to binary
 expression ('unsigned long[1]' and 'unsigned long long')

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/wip.cleanup
head:   d096f17be1e500e9b733118925230e46b4c3a14c
commit: be787b9861afcf5c89dd697a71367a3b6aae6dca [9/10] perf/x86/intel: Optimize short PEBS counters
config: x86_64-randconfig-a011-20220530 (https://download.01.org/0day-ci/archive/20220531/202205311016.hS64MKjw-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0776c48f9b7e69fa447bee57c7c0985caa856be9)
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://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=be787b9861afcf5c89dd697a71367a3b6aae6dca
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue perf/wip.cleanup
        git checkout be787b9861afcf5c89dd697a71367a3b6aae6dca
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> arch/x86/events/intel/core.c:2841:26: error: invalid operands to binary expression ('unsigned long[1]' and 'unsigned long long')
           if (!(cpuc->active_mask & (1ULL << hwc->idx)))
                 ~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~
   1 error generated.


vim +2841 arch/x86/events/intel/core.c

  2834	
  2835	static void intel_pmu_handle_short_pebs(struct perf_event *event)
  2836	{
  2837		struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
  2838		struct hw_perf_event *hwc = &event->hw;
  2839	
  2840		/* if the event is not enabled; intel_pmu_pebs_enable() DTRT */
> 2841		if (!(cpuc->active_mask & (1ULL << hwc->idx)))
  2842			return;
  2843	
  2844		WARN_ON_ONCE(cpuc->enabled);
  2845	
  2846		if (intel_pmu_is_short_pebs(event)) {
  2847	
  2848			/* stripped down intel_pmu_pebs_disable() */
  2849			cpuc->pebs_enabled &= ~(1ULL << hwc->idx);
  2850			hwc->config |= ARCH_PERFMON_EVENTSEL_INT;
  2851	
  2852			intel_pmu_update_config(event);
  2853	
  2854		} else if (!(cpuc->pebs_enabled & (1ULL << hwc->idx))) {
  2855	
  2856			/* stripped down intel_pmu_pebs_enable() */
  2857			hwc->config &= ~ARCH_PERFMON_EVENTSEL_INT;
  2858			cpuc->pebs_enabled |= (1ULL << hwc->idx);
  2859	
  2860			intel_pmu_update_config(event);
  2861		}
  2862	}
  2863	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp