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From: kernel test robot <lkp@intel.com>
To: Gavin Shan <gshan@redhat.com>, kvmarm@lists.cs.columbia.edu
Cc: kbuild-all@lists.01.org, kvm@vger.kernel.org,
	linux-doc@vger.kernel.org, catalin.marinas@arm.com,
	linux-kselftest@vger.kernel.org, bgardon@google.com,
	shuah@kernel.org, corbet@lwn.net, maz@kernel.org,
	drjones@redhat.com, will@kernel.org, zhenyzha@redhat.com,
	dmatlack@google.com, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, pbonzini@redhat.com,
	peterx@redhat.com, oliver.upton@linux.dev, shan.gavin@gmail.com
Subject: Re: [PATCH v2 2/5] KVM: arm64: Enable ring-based dirty memory tracking
Date: Sat, 17 Sep 2022 23:10:14 +0800	[thread overview]
Message-ID: <202209180726.FLL69aKA-lkp@intel.com> (raw)
In-Reply-To: <20220916045135.154505-3-gshan@redhat.com>

Hi Gavin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on kvm/queue]
[also build test WARNING on kvmarm/next linus/master v6.0-rc5 next-20220916]
[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/Gavin-Shan/KVM-arm64-Enable-ring-based-dirty-memory-tracking/20220916-125417
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220918/202209180726.FLL69aKA-lkp@intel.com/config)
compiler: aarch64-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/a1a4cd8f6a5e8927f800baff7d965870a1b7d7ba
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Gavin-Shan/KVM-arm64-Enable-ring-based-dirty-memory-tracking/20220916-125417
        git checkout a1a4cd8f6a5e8927f800baff7d965870a1b7d7ba
        # 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=arm64 SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> arch/arm64/kvm/../../../virt/kvm/dirty_ring.c:14:12: warning: no previous prototype for 'kvm_cpu_dirty_log_size' [-Wmissing-prototypes]
      14 | int __weak kvm_cpu_dirty_log_size(void)
         |            ^~~~~~~~~~~~~~~~~~~~~~


vim +/kvm_cpu_dirty_log_size +14 arch/arm64/kvm/../../../virt/kvm/dirty_ring.c

fb04a1eddb1a65 Peter Xu 2020-09-30  13  
fb04a1eddb1a65 Peter Xu 2020-09-30 @14  int __weak kvm_cpu_dirty_log_size(void)
fb04a1eddb1a65 Peter Xu 2020-09-30  15  {
fb04a1eddb1a65 Peter Xu 2020-09-30  16  	return 0;
fb04a1eddb1a65 Peter Xu 2020-09-30  17  }
fb04a1eddb1a65 Peter Xu 2020-09-30  18  

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

  reply	other threads:[~2022-09-17 15:11 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-16  4:51 [PATCH v2 0/5] KVM: arm64: Enable ring-based dirty memory tracking Gavin Shan
2022-09-16  4:51 ` [PATCH v2 1/5] KVM: x86: Introduce KVM_REQ_RING_SOFT_FULL Gavin Shan
2022-09-16 18:09   ` Peter Xu
2022-09-18  9:00     ` Marc Zyngier
2022-09-18 23:58       ` Gavin Shan
2022-09-19  9:22         ` Marc Zyngier
2022-09-19 16:17         ` Peter Xu
2022-09-16  4:51 ` [PATCH v2 2/5] KVM: arm64: Enable ring-based dirty memory tracking Gavin Shan
2022-09-17 15:10   ` kernel test robot [this message]
2022-09-19  1:27     ` Gavin Shan
2022-09-16  4:51 ` [PATCH v2 3/5] KVM: selftests: Use host page size to map ring buffer in dirty_log_test Gavin Shan
2022-09-16  4:51 ` [PATCH v2 4/5] KVM: selftests: Clear dirty ring states between two modes " Gavin Shan
2022-09-16  4:51 ` [PATCH v2 5/5] KVM: selftests: Automate choosing dirty ring size " Gavin Shan

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