Re: [PATCH] Add a text_poke syscall v2

From: H. Peter Anvin
Date: Wed Nov 27 2013 - 18:48:39 EST


On 11/27/2013 03:40 PM, Borislav Petkov wrote:
>
> But I'd guess that depends on the uarch because Bulldozer, reportedly,
> implements MFENCE by causing a pipeline stall which controls the
> prefetches too:
>

An implementation can always make the memory model stronger, but not weaker.

-hpa


--
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/