On Tue, Jan 10, 2017 at 06:34:02PM +0100, Piotr Luc wrote: > Vector population count instructions for dwords and qwords are to be > used in future Intel Xeon & Xeon Phi processors. The bit 14 of > CPUID[level:0x07, ECX] indicates that the new instructions are > supported by a processor. > > The spec can be found in the Intel Software Developer Manual (SDM) > or in the Instruction Set Extensions Programming Reference (ISE). > > Define new feature flag to enumerate the new instructions set in > /proc/cpuinfo according to new CPUID bit. > Clear the feature bit in case xsave is disabled. > > Signed-off-by: Piotr Luc <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: H. Peter Anvin <[email protected]> > Cc: [email protected] > Cc: [email protected] > ---
Reviewed-by: Borislav Petkov <[email protected]> -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
