Re: [PATCH] Move some more structures into "mostly_readonly"

From: Jörn Engel
Date: Wed Jun 08 2005 - 06:11:19 EST


On Wed, 8 June 2005 12:35:33 +0200, Arjan van de Ven wrote:
>
> I agree, and it would be very useful to have a debug option in the
> kernel that say checksums rodata (and probably the kernel text which is
> also read only) periodically and raises an alarm if the checksum
> changes.

Not really. You want to catch the bad guy in the act. A bit later
isn't much better than a lot later.

Lacking the mainframe key stores, I guess the best thing is to keep
.rodata under read-only tlbs.

Jörn

--
Sometimes, asking the right question is already the answer.
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