Re: [PATCH] Add a text_poke syscall v2

From: Borislav Petkov
Date: Wed Nov 27 2013 - 17:29:56 EST


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 majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/