From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] linux-2.5.44_vsyscall_A1
Date: 22 Oct 2002 21:08:08 -0700 [thread overview]
Message-ID: <ap57b8$2go$1@cesium.transmeta.com> (raw)
In-Reply-To: 3DB60363.8040104@pobox.com
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>
next prev parent reply other threads:[~2002-10-23 4:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-23 1:30 [PATCH] linux-2.5.44_vsyscall_A1 john stultz
2002-10-23 1:31 ` [EXAMPLE CODE] linux-2.5.43_vsyscall_A1 john stultz
2002-10-23 1:32 ` [RFC] linux-2.5.44_vsyscall-proc_A0 john stultz
2002-10-23 1:51 ` Andrea Arcangeli
2002-10-23 2:03 ` [PATCH] linux-2.5.44_vsyscall_A1 Jeff Garzik
2002-10-23 4:08 ` H. Peter Anvin [this message]
2002-10-23 16:56 ` john stultz
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