Re: [PATCH] x86: tighten kernel image page access rights (re-diff against firstfloor tree)

From: Andi Kleen
Date: Thu Mar 29 2007 - 08:25:35 EST


On Thursday 29 March 2007 14:01, Jan Beulich wrote:
> On x86-64, kernel memory freed after init can be entirely unmapped instead
> of just getting 'poisoned' by overwriting with a debug pattern.
>
> On i386 and x86-64 (under CONFIG_DEBUG_RODATA), kernel text and bug table
> can also be write-protected.
>
> (Not sure what the symbol 'stext' is good for; can it be removed?)

I see you remove it already

Added thanks
-Andi
-
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/