* Andrey Ryabinin <aryabi...@virtuozzo.com> wrote: > > > On 10/13/2015 07:02 PM, kbuild test robot wrote: > > Hi Andrey, > > > > [auto build test WARNING on tip/auto-latest -- if it's inappropriate base, > > please suggest rules for selecting the more suitable base] > > > > url: > > https://github.com/0day-ci/linux/commits/Andrey-Ryabinin/Provide-READ_ONCE_NOCHECK/20151013-204127 > > config: mn10300-allyesconfig (attached as .config) > > reproduce: > > wget > > https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross > > -O ~/bin/make.cross > > chmod +x ~/bin/make.cross > > # save the attached .config to linux build tree > > make.cross ARCH=mn10300 > > > > All warnings (new ones prefixed by >>): > > > > fs/nfs/filelayout/filelayout.c: In function 'filelayout_read_pagelist': > > fs/nfs/filelayout/filelayout.c:476:2: warning: format '%Zu' expects > > argument of type 'size_t', but argument 5 has type '__u32' [-Wformat=] > > dprintk("--> %s ino %lu pgbase %u req %Zu@%llu\n", > > ^ > > So the actual warning is here. And it's not new. > > > In file included from include/linux/nfs_fs.h:28:0, > > from fs/nfs/filelayout/filelayout.c:32: > > fs/nfs/filelayout/filelayout.c: In function 'filelayout_write_pagelist': > > include/linux/compiler.h:270:8: warning: format '%Zu' expects argument > > of type 'size_t', but argument 5 has type '__u32' [-Wformat=] > > union { typeof(x) __val; char __c[1]; } __u; \ > > ^ > > include/linux/sunrpc/debug.h:33:24: note: in definition of macro > > 'dfprintk' > > printk(KERN_DEFAULT args); \ > > ^ > >>> include/linux/compiler.h:274:22: note: in expansion of macro '__READ_ONCE' > > #define READ_ONCE(x) __READ_ONCE(x, _check) > > ^ > > And this 'note: in expansion of macro' belongs to the warning above. > So it's a false-positive.
So if this is a new warning introduced by these patches then the warning needs to be addresses - regardless of whether it's a false positive or not. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/