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Peter Anvin" Subject: Re: [PATCH] x86/pci-dma: swiotlb: Fix a regression since 5.19.0 about iommu=soft kernel parameter Message-ID: <202602132218.jy0N4aRs-lkp@intel.com> References: <16c95f65-17ee-4bbd-99b3-93406a7801c4@free.fr> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16c95f65-17ee-4bbd-99b3-93406a7801c4@free.fr> Hi Julien, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/master] [also build test WARNING on tip/x86/core tip/auto-latest linus/master v6.19 next-20260212] [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/Julien-ROBIN/x86-pci-dma-swiotlb-Fix-a-regression-since-5-19-0-about-iommu-soft-kernel-parameter/20260213-122547 base: tip/master patch link: https://lore.kernel.org/r/16c95f65-17ee-4bbd-99b3-93406a7801c4%40free.fr patch subject: [PATCH] x86/pci-dma: swiotlb: Fix a regression since 5.19.0 about iommu=soft kernel parameter config: i386-randconfig-r132-20260213 (https://download.01.org/0day-ci/archive/20260213/202602132218.jy0N4aRs-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260213/202602132218.jy0N4aRs-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202602132218.jy0N4aRs-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/x86/kernel/pci-dma.c:37:5: sparse: sparse: symbol 'x86_soft_iommu_only' was not declared. Should it be static? vim +/x86_soft_iommu_only +37 arch/x86/kernel/pci-dma.c 35 36 int no_iommu __read_mostly; > 37 int x86_soft_iommu_only __read_mostly; 38 /* Set this to 1 if there is a HW IOMMU in the system */ 39 int iommu_detected __read_mostly = 0; 40 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki