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Message-ID: <202212281552.K6IIMXaD-lkp@intel.com>
Date:   Wed, 28 Dec 2022 15:37:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ben Gardon <bgardon@...gle.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, Paolo Bonzini <pbonzini@...hat.com>,
        Peter Xu <peterx@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        Vipin Sharma <vipinsh@...gle.com>,
        Ben Gardon <bgardon@...gle.com>
Subject: Re: [PATCH 1/7] KVM: x86/MMU: Move pte_list operations to rmap.c

Hi Ben,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on kvm/queue]
[also build test ERROR on mst-vhost/linux-next linus/master v6.2-rc1 next-20221226]
[cannot apply to kvm/linux-next]
[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/Ben-Gardon/KVM-x86-MMU-Factor-rmap-operations-out-of-mmu-c/20221207-013733
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link:    https://lore.kernel.org/r/20221206173601.549281-2-bgardon%40google.com
patch subject: [PATCH 1/7] KVM: x86/MMU: Move pte_list operations to rmap.c
config: i386-randconfig-a004-20220606
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/22e700d90cb6d8c054c5cacffe0be568004918a8
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Ben-Gardon/KVM-x86-MMU-Factor-rmap-operations-out-of-mmu-c/20221207-013733
        git checkout 22e700d90cb6d8c054c5cacffe0be568004918a8
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 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 >>):

   In file included from arch/x86/kvm/debugfs.c:12:
>> arch/x86/kvm/mmu/rmap.h:26:27: error: 'pte_list_desc_cache' defined but not used [-Werror=unused-variable]
      26 | static struct kmem_cache *pte_list_desc_cache;
         |                           ^~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/pte_list_desc_cache +26 arch/x86/kvm/mmu/rmap.h

    25	
  > 26	static struct kmem_cache *pte_list_desc_cache;
    27	

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

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