On Sat, Jan 05, 2019 at 10:37:17AM +0800, kbuild test robot wrote: > Hi Jason, > > I love your patch! Yet something to improve: > > [auto build test ERROR on linus/master] > [also build test ERROR on v4.20 next-20190103] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Jason-Gunthorpe/lib-scatterlist-Provide-a-DMA-page-iterator/20190105-081739 > config: x86_64-randconfig-x017-201900 (attached as .config) > compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > All error/warnings (new ones prefixed by >>): > > In file included from lib/scatterlist.c:9:0: > >> include/linux/export.h:81:20: error: redefinition of '__kstrtab___sg_page_iter_next' > static const char __kstrtab_##sym[] \ > ^ > include/linux/export.h:120:25: note: in expansion of macro '___EXPORT_SYMBOL' > #define __EXPORT_SYMBOL ___EXPORT_SYMBOL > ^~~~~~~~~~~~~~~~ > include/linux/export.h:124:2: note: in expansion of macro '__EXPORT_SYMBOL' > __EXPORT_SYMBOL(sym, "") > ^~~~~~~~~~~~~~~ > >> lib/scatterlist.c:652:1: note: in expansion of macro 'EXPORT_SYMBOL' > EXPORT_SYMBOL(__sg_page_iter_next); > ^~~~~~~~~~~~~ Woops, should be __sg_page_dma_iter_next.. Will resend after getting some feedback. Jason