On Wed, Nov 27, 2013 at 02:25:29PM -0800, H. Peter Anvin wrote: > Actually the CPUID is superfluous on anything than the executing CPU > since IRET is serializing.
Why not on the executing core too? We're IRET-ting there too. Which would mean that a dummy empty syscall would be enough too since we need the serialization only. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/