Re: [patch-2.3.47] microcode trimming support (+cleanup)

From: H. Peter Anvin (hpa@transmeta.com)
Date: Mon Feb 21 2000 - 18:28:04 EST


Followup to: <Pine.LNX.4.10.10002212230520.730-100000@saturn.homenet>
By author: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
In newsgroup: linux.dev.kernel
>
> Hi Linus,
>
> This patch improves /proc/driver/microcode to allow to clear and free the
> memory used by the saved copy of the microcode by doing something like:
>
> # > /proc/driver/microcode
>
> (or generally by opening it with O_WRONLY). This saves a page per CPU
> pair and makes some security-conscious humans happy...
>
> Also some minor cleanups in BFS and a typo in mtrr.c
>

Please nuke this from /proc. It has no business in /proc; it should
be in /dev. Let's not turn procfs into a devfs wannabe; it has all
the problems of devfs but much more severely.

        -hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."

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