linux-kernel - Re: Is there anyway to do direct mapped cache on Intel hardware?

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Date:	Wed, 1 Jul 2015 11:35:55 +0200
From:	Pavel Machek <pavel@....cz>
To:	Richard Yao <ryao@...too.org>
Cc:	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Is there anyway to do direct mapped cache on Intel hardware?

On Mon 2015-05-18 14:07:30, Richard Yao wrote:
> Is there anyway to do direct mapped cache on Intel hardware?
> 
> Direct mapped cache should allow me to implement software ECC via the
> low memory / high memory split. It would be slow, but I would prefer to
> have a slow laptop than one that is vulnerable to bit flips.

One of the bit flip papers actually presented the way to detect RAM
attacks using performance coutners....

But yes, software ECC would be cooler hack ;-).
									Pavel

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