Hi "Fabio, Thank you for the patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v5.19-rc2 next-20220615] [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] url: https://github.com/intel-lab-lkp/linux/commits/Fabio-M-De-Francesco/highmem-Make-__kunmap_-local-atomic-take-const-void/20220614-222749 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20220616/202206160154.0Asirpka-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 11.3.0 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/558ba1aeb12cc7940165f07160e51afb0bc1a64b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Fabio-M-De-Francesco/highmem-Make-__kunmap_-local-atomic-take-const-void/20220614-222749 git checkout 558ba1aeb12cc7940165f07160e51afb0bc1a64b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/highmem.h:13, from include/linux/bvec.h:10, from include/linux/skbuff.h:17, from drivers/net/wwan/t7xx/t7xx_hif_cldma.h:25, from drivers/net/wwan/t7xx/t7xx_modem_ops.h:25, from drivers/net/wwan/t7xx/t7xx_pci.c:39: include/linux/highmem-internal.h: In function '__kunmap_local': >> include/linux/highmem-internal.h:203:31: error: passing argument 1 of 'kunmap_flush_on_unmap' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] 203 | kunmap_flush_on_unmap(addr); | ^~~~ In file included from include/linux/cacheflush.h:5, from include/linux/highmem.h:8, from include/linux/bvec.h:10, from include/linux/skbuff.h:17, from drivers/net/wwan/t7xx/t7xx_hif_cldma.h:25, from drivers/net/wwan/t7xx/t7xx_modem_ops.h:25, from drivers/net/wwan/t7xx/t7xx_pci.c:39: arch/parisc/include/asm/cacheflush.h:78:48: note: expected 'void *' but argument is of type 'const void *' 78 | static inline void kunmap_flush_on_unmap(void *addr) | ~~~~~~^~~~ In file included from include/linux/highmem.h:13, from include/linux/bvec.h:10, from include/linux/skbuff.h:17, from drivers/net/wwan/t7xx/t7xx_hif_cldma.h:25, from drivers/net/wwan/t7xx/t7xx_modem_ops.h:25, from drivers/net/wwan/t7xx/t7xx_pci.c:39: include/linux/highmem-internal.h: In function '__kunmap_atomic': include/linux/highmem-internal.h:230:31: error: passing argument 1 of 'kunmap_flush_on_unmap' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] 230 | kunmap_flush_on_unmap(addr); | ^~~~ In file included from include/linux/cacheflush.h:5, from include/linux/highmem.h:8, from include/linux/bvec.h:10, from include/linux/skbuff.h:17, from drivers/net/wwan/t7xx/t7xx_hif_cldma.h:25, from drivers/net/wwan/t7xx/t7xx_modem_ops.h:25, from drivers/net/wwan/t7xx/t7xx_pci.c:39: arch/parisc/include/asm/cacheflush.h:78:48: note: expected 'void *' but argument is of type 'const void *' 78 | static inline void kunmap_flush_on_unmap(void *addr) | ~~~~~~^~~~ cc1: all warnings being treated as errors vim +203 include/linux/highmem-internal.h f3ba3c710ac5a3 Thomas Gleixner 2020-11-18 199 558ba1aeb12cc7 Fabio M. De Francesco 2022-06-14 200 static inline void __kunmap_local(const void *addr) f3ba3c710ac5a3 Thomas Gleixner 2020-11-18 201 { f3ba3c710ac5a3 Thomas Gleixner 2020-11-18 202 #ifdef ARCH_HAS_FLUSH_ON_KUNMAP f3ba3c710ac5a3 Thomas Gleixner 2020-11-18 @203 kunmap_flush_on_unmap(addr); f3ba3c710ac5a3 Thomas Gleixner 2020-11-18 204 #endif f3ba3c710ac5a3 Thomas Gleixner 2020-11-18 205 } f3ba3c710ac5a3 Thomas Gleixner 2020-11-18 206 -- 0-DAY CI Kernel Test Service https://01.org/lkp
