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Date: Thu, 19 Dec 2002 13:38:48 +0000
From: Dave Jones <davej@codemonkey.org.uk>
To: bart@etpmod.phys.tue.nl
Cc: torvalds@transmeta.com, lk@tantalophile.demon.co.uk, hpa@transmeta.com,
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       hugh@veritas.com, davej@codemonkey.org.uk, mingo@elte.hu,
       linux-kernel@vger.kernel.org
Subject: Re: Intel P6 vs P7 system call performance
Message-ID: <20021219133848.GB32524@suse.de>
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On Thu, Dec 19, 2002 at 02:22:36PM +0100, bart@etpmod.phys.tue.nl wrote:
 > > However, there's another issue, namely process startup cost. I personally 
 > > want it to be as light as at all possible. I hate doing an "strace" on 
 > > user processes and seeing tons and tons of crapola showing up. Just for 
 > So why not map the magic page at 0xffffe000 at some other address as
 > well? 
 > Static binaries can just directly jump/call into the magic page.

.. and explode nicely when you try to run them on an older kernel
without the new syscall magick. This is what Linus' first
proof-of-concept code did.

		Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
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