3.16 doesn't need this, because 3.16 doesn't support Loongson-3 R2/R3. Huacai On Fri, Aug 18, 2017 at 9:13 PM, Ben Hutchings <ben@xxxxxxxxxxxxxxx> wrote: > 3.16.47-rc1 review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Huacai Chen <chenhc@xxxxxxxxxx> > > commit 17c99d9421695a0e0de18bf1e7091d859e20ec1d upstream. > > Some newer Loongson-3 have 64 bytes cache lines, so select > MIPS_L1_CACHE_SHIFT_6. > > Signed-off-by: Huacai Chen <chenhc@xxxxxxxxxx> > Cc: John Crispin <john@xxxxxxxxxxx> > Cc: Steven J . Hill <Steven.Hill@xxxxxxxxxxxxxxxxxx> > Cc: Fuxin Zhang <zhangfx@xxxxxxxxxx> > Cc: Zhangjin Wu <wuzhangjin@xxxxxxxxx> > Cc: linux-mips@xxxxxxxxxxxxxx > Patchwork: https://patchwork.linux-mips.org/patch/15755/ > Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> > [bwh: Backported to 3.16: adjust context] > Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> > --- > arch/mips/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -1193,6 +1193,7 @@ config CPU_LOONGSON3 > select CPU_SUPPORTS_HUGEPAGES > select WEAK_ORDERING > select WEAK_REORDERING_BEYOND_LLSC > + select MIPS_L1_CACHE_SHIFT_6 > help > The Loongson 3 processor implements the MIPS64R2 instruction > set with many extensions. > >