On Wed, Apr 07, 2021 at 10:35:43AM -0700, Nick Desaulniers wrote: > While removing allnoconfig_y from Kconfig, ARCH=mips allnoconfig builds > started failing with the error: > > WARNING: modpost: vmlinux.o(.text+0x9c70): Section mismatch in reference > from the function reserve_exception_space() to the function > .meminit.text:memblock_reserve() > The function reserve_exception_space() references the function __meminit > memblock_reserve(). > This is often because reserve_exception_space lacks a __meminit > annotation or the annotation of memblock_reserve is wrong. > ERROR: modpost: Section mismatches detected. > Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them. > > allnoconfig disables DEBUG_KERNEL and thus ARCH_KEEP_MEMBLOCK, which > changes __init_memblock to be equivalent to __meminit triggering the > above error. > > Link: https://lore.kernel.org/linux-kbuild/20210313194836.372585-11-masahiroy@xxxxxxxxxx/ > Fixes: commit a8c0f1c634507 ("MIPS: Select ARCH_KEEP_MEMBLOCK if > DEBUG_KERNEL to enable sysfs memblock debug") > Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx> > Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx> > Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> > --- > arch/mips/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) applied to mips-next. I've dropped the Fixes tag, because it doesn't fix this commit. Sidenode wouldn't it make sence to make reserve_exception_space() as __meminit ? Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
