From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Bronaugh <dbronaugh@linuxboxen.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Patch to enable K6-2 and K6-3 processor optimizations
Date: 09 Aug 2002 11:31:19 +0100 [thread overview]
Message-ID: <1028889079.30103.184.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <20020809014840.4e81fbd3.dbronaugh@linuxboxen.org>
We can't actually use MMX/FPU instructions in the kernel in the general
case. That would require saving and restoring the user process floating
point state - which is extremely expensive
next prev parent reply other threads:[~2002-08-09 9:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-09 8:48 David Bronaugh
2002-08-09 10:31 ` Alan Cox [this message]
2002-08-09 17:28 ` David Bronaugh
2002-08-09 16:45 ` Josh McKinney
2002-08-09 8:52 David Bronaugh
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