tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git irq/msi head: 148a9616eb053a8c0d0c9859fde99fa2aee3ccea commit: abefd748ab60997c05fcd79e7b4072cd4fd47c19 [4/8] PCI/MSI: Enforce MSI[X] entry updates to be visible config: ia64-randconfig-r025-20210720 (attached as .config) compiler: ia64-linux-gcc (GCC) 10.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git/commit/?id... git remote add tglx-devel https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git git fetch --no-tags tglx-devel irq/msi git checkout abefd748ab60997c05fcd79e7b4072cd4fd47c19 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/pci/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/pci/msi.c: In function '__pci_write_msi_msg': drivers/pci/msi.c:316:12: warning: passing argument 1 of 'readl' makes pointer from integer without a cast [-Wint-conversion] 316 | readl(msg->data, base + PCI_MSIX_ENTRY_DATA); | ~~~^~~~~~ | | | u32 {aka unsigned int} In file included from arch/ia64/include/asm/io.h:281, from arch/ia64/include/asm/uaccess.h:41, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from include/linux/rcuwait.h:6, from include/linux/percpu-rwsem.h:7, from include/linux/fs.h:33, from include/linux/huge_mm.h:8, from include/linux/mm.h:728, from drivers/pci/msi.c:11: include/asm-generic/io.h:174:54: note: expected 'const volatile void *' but argument is of type 'u32' {aka 'unsigned int'} 174 | static inline u32 readl(const volatile void __iomem *addr) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ 173 | #define readl readl | ^~~~~ drivers/pci/msi.c:316:3: note: in expansion of macro 'readl' 316 | readl(msg->data, base + PCI_MSIX_ENTRY_DATA); | ^~~~~ include/asm-generic/io.h:173:15: note: declared here 173 | #define readl readl | ^~~~~ include/asm-generic/io.h:174:19: note: in expansion of macro 'readl' 174 | static inline u32 readl(const volatile void __iomem *addr) | ^~~~~ vim +/readl +173 include/asm-generic/io.h 7dc59bdde70633 GuanXuetao 2011-02-22 171 9216efafc52ff9 Thierry Reding 2014-10-01 172 #ifndef readl 9216efafc52ff9 Thierry Reding 2014-10-01 @173 #define readl readl 9216efafc52ff9 Thierry Reding 2014-10-01 174 static inline u32 readl(const volatile void __iomem *addr) 3f7e212df82ca0 Arnd Bergmann 2009-05-13 175 { 032d59e1cde9dd Sinan Kaya 2018-04-05 176 u32 val; 032d59e1cde9dd Sinan Kaya 2018-04-05 177 032d59e1cde9dd Sinan Kaya 2018-04-05 178 __io_br(); c1d55d50139bea Stafford Horne 2020-07-29 179 val = __le32_to_cpu((__le32 __force)__raw_readl(addr)); abbbbc83a210e9 Will Deacon 2019-02-22 180 __io_ar(val); 032d59e1cde9dd Sinan Kaya 2018-04-05 181 return val; 3f7e212df82ca0 Arnd Bergmann 2009-05-13 182 } 9216efafc52ff9 Thierry Reding 2014-10-01 183 #endif 3f7e212df82ca0 Arnd Bergmann 2009-05-13 184 :::::: The code at line 173 was first introduced by commit :::::: 9216efafc52ff99e9351ef60de5fcafc2bc8adb6 asm-generic/io.h: Reconcile I/O accessor overrides :::::: TO: Thierry Reding <treding(a)nvidia.com&gt; :::::: CC: Thierry Reding <treding(a)nvidia.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org