On Fri, Sep 29, 2023, kernel test robot wrote: > Hi Paolo, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on kvm/queue] > [also build test WARNING on linus/master v6.6-rc3 next-20230929] > [cannot apply to mst-vhost/linux-next 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/Paolo-Bonzini/KVM-x86-mmu-remove-unnecessary-bool-shared-argument-from-functions/20230929-003259 > base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue > patch link: https://lore.kernel.org/r/20230928162959.1514661-4-pbonzini%40redhat.com > patch subject: [PATCH 3/3] KVM: x86/mmu: always take tdp_mmu_pages_lock > config: x86_64-buildonly-randconfig-004-20230929 (https://download.01.org/0day-ci/archive/20230929/202309291557.Eq3JDvT6-lkp@xxxxxxxxx/config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230929/202309291557.Eq3JDvT6-lkp@xxxxxxxxx/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@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202309291557.Eq3JDvT6-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > >> arch/x86/kvm/mmu/tdp_mmu.c:289: warning: Excess function parameter 'shared' description in 'tdp_mmu_unlink_sp' > > > vim +289 arch/x86/kvm/mmu/tdp_mmu.c > > 43a063cab325ee7 Yosry Ahmed 2022-08-23 278 > a9442f594147f95 Ben Gardon 2021-02-02 279 /** > c298a30c2821cb0 David Matlack 2022-01-19 280 * tdp_mmu_unlink_sp() - Remove a shadow page from the list of used pages > a9442f594147f95 Ben Gardon 2021-02-02 281 * > a9442f594147f95 Ben Gardon 2021-02-02 282 * @kvm: kvm instance > a9442f594147f95 Ben Gardon 2021-02-02 283 * @sp: the page to be removed > 9a77daacc87dee9 Ben Gardon 2021-02-02 284 * @shared: This operation may not be running under the exclusive use of > 9a77daacc87dee9 Ben Gardon 2021-02-02 285 * the MMU lock and the operation must synchronize with other > 9a77daacc87dee9 Ben Gardon 2021-02-02 286 * threads that might be adding or removing pages. > a9442f594147f95 Ben Gardon 2021-02-02 287 */ The bot is complaining about the kernel doc, i.e. the above @shared documentation needs to be deleted. Took me a few seconds to understand what the complaint was about...
