Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> writes: > On Fri, Nov 1, 2019 at 1:51 AM Jeff Moyer <jmoyer@xxxxxxxxxx> wrote: >> >> Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> writes: >> >> > Now that there is no overwrap between symbols from ELF files and >> > ones from Module.symvers. >> > >> > So, the 'exported twice' warning should be reported irrespective >> > of where the symbol in question came from. Only the exceptional case >> > is when __crc_<sym> symbol appears before __ksymtab_<sym>. This >> > typically occurs for EXPORT_SYMBOL in .S files. >> >> Hi, Masahiro, >> >> After apply this patch, I get the following modpost warnings when doing: >> >> $ make M=tools/tesing/nvdimm >> ... >> Building modules, stage 2. >> MODPOST 12 modules >> WARNING: tools/testing/nvdimm/libnvdimm: 'nvdimm_bus_lock' exported >> twice. Previous export was in drivers/nvdimm/libnvdimm.ko >> WARNING: tools/testing/nvdimm/libnvdimm: 'nvdimm_bus_unlock' >> exported twice. Previous export was in drivers/nvdimm/libnvdimm.ko >> WARNING: tools/testing/nvdimm/libnvdimm: 'is_nvdimm_bus_locked' >> exported twice. Previous export was in drivers/nvdimm/libnvdimm.ko >> WARNING: tools/testing/nvdimm/libnvdimm: 'devm_nvdimm_memremap' >> exported twice. Previous export was in drivers/nvdimm/libnvdimm.ko >> WARNING: tools/testing/nvdimm/libnvdimm: 'nd_fletcher64' exported twice. Previous export was in drivers/nvdimm/libnvdimm.ko >> WARNING: tools/testing/nvdimm/libnvdimm: 'to_nd_desc' exported twice. Previous export was in drivers/nvdimm/libnvdimm.ko >> WARNING: tools/testing/nvdimm/libnvdimm: 'to_nvdimm_bus_dev' >> exported twice. Previous export was in drivers/nvdimm/libnvdimm.ko >> ... >> >> There are a lot of these warnings. :) > > These warnings are correct since > drivers/nvdimm/Makefile and > tools/testing/nvdimm/Kbuild > compile the same files. Yeah, but that's by design. Is there a way to silence these warnings? -Jeff
