Hi Guddla, On Wed, Mar 02, 2022 at 10:27:15PM +0530, Guddla Rupesh wrote: > I think that normal kernel shipped by the distro is generic and it > doesn't have support for latest instructions like avx2, sse4 etc.,. To > get support we must compile kernel with lots of tuning. I believe most of these features are indicated by CPUID and are tested at runtime/boottime, rather than being compiled in. See https://elixir.bootlin.com/linux/latest/source/arch/x86/include/asm/cpufeatures.h Torin _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies