On Wed, Feb 8, 2023, at 15:05, Huacai Chen wrote: > Introduce Kconfig option ARCH_STRICT_ALIGN to make -mstrict-align be > configurable. > > Not all LoongArch cores support h/w unaligned access, we can use the > -mstrict-align build parameter to prevent unaligned accesses. > > CPUs with h/w unaligned access support: > Loongson-2K2000/2K3000/3A5000/3C5000/3D5000. > > CPUs without h/w unaligned access support: > Loongson-2K500/2K1000. > > This option is enabled by default to make the kernel be able to run on > all LoongArch systems. But you can disable it manually if you want to > run kernel only on systems with h/w unaligned access support in order to > optimise for performance. > > Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx> Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
