Re: [PATCH] linux-2.5.44_vsyscall_A1

From: H. Peter Anvin (hpa@zytor.com)
Date: Tue Oct 22 2002 - 23:08:08 EST


Followup to: <3DB60363.8040104@pobox.com>
By author: Jeff Garzik <jgarzik@pobox.com>
In newsgroup: linux.dev.kernel
>
> In terms of implementation, I think it's way too x86-specific... some
> of the vsyscall infrastructure can be more generic, making it easier for
> other arches to implement the same functionality. Also use of TSC isn't
> a terribly good idea...
>

Sure it is: on the systems which have a working TSC it is extremely
efficient -- cheap and high precision.

        -hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
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