CC: [email protected] CC: [email protected] TO: John Garry <[email protected]> CC: Wei Xu <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3b69e8b4571125bec1f77f886174fe6cab6b9d75 commit: b8104fda1fff0882e43b7e98832a76d7e98eb3e9 logic_pio: Define PIO_INDIRECT_SIZE for !CONFIG_INDIRECT_PIO date: 7 months ago :::::: branch date: 10 hours ago :::::: commit date: 7 months ago config: xtensa-randconfig-m031-20200607 (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: include/asm-generic/io.h:1014 ioport_map() warn: impossible condition '(port > (~0 - 0)) => (0-u32max > u32max)' # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8104fda1fff0882e43b7e98832a76d7e98eb3e9 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git remote update linus git checkout b8104fda1fff0882e43b7e98832a76d7e98eb3e9 vim +1014 include/asm-generic/io.h d838270e2516db Toshi Kani 2015-06-04 1006 ce816fa88cca08 Uwe Kleine-König 2014-04-07 1007 #ifdef CONFIG_HAS_IOPORT_MAP 3f7e212df82ca0 Arnd Bergmann 2009-05-13 1008 #ifndef CONFIG_GENERIC_IOMAP 9216efafc52ff9 Thierry Reding 2014-10-01 1009 #ifndef ioport_map 9216efafc52ff9 Thierry Reding 2014-10-01 1010 #define ioport_map ioport_map 3f7e212df82ca0 Arnd Bergmann 2009-05-13 1011 static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) 3f7e212df82ca0 Arnd Bergmann 2009-05-13 1012 { 500dd232449e7c Andrew Murray 2018-09-13 1013 port &= IO_SPACE_LIMIT; 500dd232449e7c Andrew Murray 2018-09-13 @1014 return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; 3f7e212df82ca0 Arnd Bergmann 2009-05-13 1015 } 9216efafc52ff9 Thierry Reding 2014-10-01 1016 #endif 3f7e212df82ca0 Arnd Bergmann 2009-05-13 1017 :::::: The code at line 1014 was first introduced by commit :::::: 500dd232449e7c07500e713dc6970aa713f8e4f1 asm-generic: io: Fix ioport_map() for !CONFIG_GENERIC_IOMAP && CONFIG_INDIRECT_PIO :::::: TO: Andrew Murray <[email protected]> :::::: CC: Will Deacon <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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