2017-07-26 21:46 GMT+09:00 Nicholas Piggin <npiggin@xxxxxxxxx>: > The .data and .bss sections were modified in the generic linker script to > pull in sections named .data.<C identifier>, which are generated by gcc with > -ffunction-sections and -fdata-sections options. > > The problem with this pattern is it can also match section names that Linux > defines explicitly, e.g., .data.unlikely. This can cause Linux sections to > get moved into the wrong place. > > The way to avoid this is to use ".." separators for explicit section names > (the dot character is valid in a section name but not a C identifier). > However currently there are sections which don't follow this rule, so for > now just disable the wild card by default. > > Example: http://marc.info/?l=linux-arm-kernel&m=150106824024221&w=2 > > Cc: <stable@xxxxxxxxxxxxxxx> # 4.9 > Fixes: b67067f1176df ("kbuild: allow archs to select link dead code/data elimination") > Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> Applied to linux-kbuild/fixes. Thanks! -- Best Regards Masahiro Yamada -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
