On Fri, Jan 22, 2021 at 12:02:50PM +0100, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > The kernel test robot keeps reporting the same bug when it > shows up in new files after random unrelated patches: > > In file included from arch/mips/include/uapi/asm/byteorder.h:13, > from arch/mips/include/asm/bitops.h:20, > from include/linux/bitops.h:26, > from include/linux/kernel.h:12, > from include/linux/clk.h:13, > from drivers/base/regmap/regmap-mmio.c:7: > include/linux/byteorder/big_endian.h:8:2: warning: #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN [-Wcpp] > 8 | #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN > | ^~~~~~~ > drivers/base/regmap/regmap-mmio.c: In function 'regmap_mmio_gen_context': > >> drivers/base/regmap/regmap-mmio.c:274:2: error: duplicate case value > 274 | case REGMAP_ENDIAN_NATIVE: > | ^~~~ > drivers/base/regmap/regmap-mmio.c:246:2: note: previously used here > 246 | case REGMAP_ENDIAN_NATIVE: > > The problem is that some randconfig builds end up on the MIPS jazz > platform with neither CONFIG_CPU_BIG_ENDIAN nor CONFIG_CPU_LITTLE_ENDIAN > because no specific machine is selected. As it turns out, all jazz > machines support little-endian kernels, so this can simply be allowed > globally. > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > The configuration used by lkp here showed two other unrelated bugs, > one of which I'm addressing in another patch. The one I'm not > addressing is that 32-bit JAZZ with hugepages and 4K pages triggers > BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT)). > --- > arch/mips/Kconfig | 1 + > arch/mips/jazz/Kconfig | 3 --- > 2 files changed, 1 insertion(+), 3 deletions(-) applied to mips-next. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
