On Tue, 15 Feb 2022 22:28:58 +1100, Michael Ellerman wrote: > When CONFIG_GENERIC_CPU=y (true for all our defconfigs) we pass > -mcpu=powerpc64 to the compiler, even when we're building a 32-bit > kernel. > > This happens because we have an ifdef CONFIG_PPC_BOOK3S_64/else block in > the Makefile that was written before 32-bit supported GENERIC_CPU. Prior > to that the else block only applied to 64-bit Book3E. > > [...]
Applied to powerpc/next. [1/1] powerpc/Makefile: Don't pass -mcpu=powerpc64 when building 32-bit https://git.kernel.org/powerpc/c/2863dd2db23e0407f6c50b8ba5c0e55abef894f1 cheers