Hello, Paul Burton wrote: > Select CONFIG_CPU_NO_EFFICIENT_FFS via Kconfig when the kernel is > configured for a pre-MIPS32r1 CPU, rather than defining its equivalent > in asm/cpu-features.h based upon overrides of cpu_has_mips* macros. > > The latter only works if a platform has an cpu-feature-overrides.h > header which defines cpu_has_mips* macros, which are not generally > needed. There are many cases where we know that the target ISA for a > kernel build is MIPS32r1 or later & thus includes the CLZ instruction, > without requiring any overrides from the platform. Using Kconfig allows > us to take those into account, and more naturally make a decision about > instruction support using information about the target ISA. > > Signed-off-by: Paul Burton <paul.burton@xxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Zhaoxiu Zeng <zhaoxiu.zeng@xxxxxxxxx> Series applied to mips-next. Thanks, Paul [ This message was auto-generated; if you believe anything is incorrect then please email paul.burton@xxxxxxxx to report it. ]