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Bottomley" , Helge Deller , linux-parisc@vger.kernel.org Subject: Re: [PATCH v2 08/11] parisc: mm: Convert to GENERIC_IOREMAP Message-ID: <202208201135.YyN9CXsu-lkp@intel.com> References: <20220820003125.353570-9-bhe@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220820003125.353570-9-bhe@redhat.com> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Baoquan, I love your patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Baoquan-He/mm-ioremap-Convert-architectures-to-take-GENERIC_IOREMAP-way/20220820-083435 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: parisc-randconfig-r005-20220820 (https://download.01.org/0day-ci/archive/20220820/202208201135.YyN9CXsu-lkp@intel.com/config) compiler: hppa-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/570f2a3347cc83c9ea71d3dbbebfad8ea085ecc6 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Baoquan-He/mm-ioremap-Convert-architectures-to-take-GENERIC_IOREMAP-way/20220820-083435 git checkout 570f2a3347cc83c9ea71d3dbbebfad8ea085ecc6 # 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=parisc prepare If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): In file included from arch/parisc/include/asm/io.h:315, from include/linux/io.h:13, from include/linux/irq.h:20, from arch/parisc/include/asm/hardirq.h:13, from include/linux/hardirq.h:11, from arch/parisc/kernel/asm-offsets.c:21: >> include/asm-generic/iomap.h:97: warning: "ioremap_wc" redefined 97 | #define ioremap_wc ioremap | arch/parisc/include/asm/io.h:135: note: this is the location of the previous definition 135 | #define ioremap_wc(addr, size) \ | include/linux/io.h: In function 'pci_remap_cfgspace': >> include/linux/io.h:89:44: error: implicit declaration of function 'ioremap'; did you mean 'ioremap_np'? [-Werror=implicit-function-declaration] 89 | return ioremap_np(offset, size) ?: ioremap(offset, size); | ^~~~~~~ | ioremap_np >> include/linux/io.h:89:42: warning: pointer/integer type mismatch in conditional expression 89 | return ioremap_np(offset, size) ?: ioremap(offset, size); | ^ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:117: arch/parisc/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1207: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:222: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +89 include/linux/io.h 7d3dcf26a6559f Christoph Hellwig 2015-08-10 72 cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 73 #ifdef CONFIG_PCI cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 74 /* cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 75 * The PCI specifications (Rev 3.0, 3.2.5 "Transaction Ordering and b10eb2d50911f9 Hector Martin 2021-03-25 76 * Posting") mandate non-posted configuration transactions. This default b10eb2d50911f9 Hector Martin 2021-03-25 77 * implementation attempts to use the ioremap_np() API to provide this b10eb2d50911f9 Hector Martin 2021-03-25 78 * on arches that support it, and falls back to ioremap() on those that b10eb2d50911f9 Hector Martin 2021-03-25 79 * don't. Overriding this function is deprecated; arches that properly b10eb2d50911f9 Hector Martin 2021-03-25 80 * support non-posted accesses should implement ioremap_np() instead, which b10eb2d50911f9 Hector Martin 2021-03-25 81 * this default implementation can then use to return mappings compliant with b10eb2d50911f9 Hector Martin 2021-03-25 82 * the PCI specification. cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 83 */ cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 84 #ifndef pci_remap_cfgspace cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 85 #define pci_remap_cfgspace pci_remap_cfgspace cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 86 static inline void __iomem *pci_remap_cfgspace(phys_addr_t offset, cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 87 size_t size) cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 88 { b10eb2d50911f9 Hector Martin 2021-03-25 @89 return ioremap_np(offset, size) ?: ioremap(offset, size); cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 90 } cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 91 #endif cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 92 #endif cf9ea8ca4a0bea Lorenzo Pieralisi 2017-04-19 93 -- 0-DAY CI Kernel Test Service https://01.org/lkp