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From: kernel test robot <lkp@intel.com>
To: Marc Zyngier <maz@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: [linux-next:master 11762/12208] drivers/perf/arm_pmuv3.c:776: undefined reference to `kvm_vcpu_pmu_resync_el0'
Date: Thu, 24 Aug 2023 08:11:30 +0800	[thread overview]
Message-ID: <202308240834.9JkuU1vW-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   e3f80d3eae76c3557b3c9b5938ad01c0e6cf25ec
commit: b1f778a223a2a8ad6262e5233cfc3483bcf6e213 [11762/12208] KVM: arm64: pmu: Resync EL0 state on counter rotation
config: arm64-randconfig-r011-20230823 (https://download.01.org/0day-ci/archive/20230824/202308240834.9JkuU1vW-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230824/202308240834.9JkuU1vW-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308240834.9JkuU1vW-lkp@intel.com/

All errors (new ones prefixed by >>):

   aarch64-linux-ld: Unexpected GOT/PLT entries detected!
   aarch64-linux-ld: Unexpected run-time procedure linkages detected!
   aarch64-linux-ld: drivers/perf/arm_pmuv3.o: in function `armv8pmu_start':
>> drivers/perf/arm_pmuv3.c:776: undefined reference to `kvm_vcpu_pmu_resync_el0'


vim +776 drivers/perf/arm_pmuv3.c

   758	
   759	static void armv8pmu_start(struct arm_pmu *cpu_pmu)
   760	{
   761		struct perf_event_context *ctx;
   762		int nr_user = 0;
   763	
   764		ctx = perf_cpu_task_ctx();
   765		if (ctx)
   766			nr_user = ctx->nr_user;
   767	
   768		if (sysctl_perf_user_access && nr_user)
   769			armv8pmu_enable_user_access(cpu_pmu);
   770		else
   771			armv8pmu_disable_user_access();
   772	
   773		/* Enable all counters */
   774		armv8pmu_pmcr_write(armv8pmu_pmcr_read() | ARMV8_PMU_PMCR_E);
   775	
 > 776		kvm_vcpu_pmu_resync_el0();
   777	}
   778	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


             reply	other threads:[~2023-08-24  0:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-24  0:11 kernel test robot [this message]
2023-08-24  8:14 ` Marc Zyngier

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