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Message-ID: <3DFF80BC.2020709@redhat.com>
Date: Tue, 17 Dec 2002 11:53:32 -0800
From: Ulrich Drepper <drepper@redhat.com>
Organization: Red Hat, Inc.
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To: Linus Torvalds <torvalds@transmeta.com>
CC: Matti Aarnio <matti.aarnio@zmailer.org>, Hugh Dickins <hugh@veritas.com>,
       Dave Jones <davej@codemonkey.org.uk>, Ingo Molnar <mingo@elte.hu>,
       linux-kernel@vger.kernel.org, hpa@transmeta.com
Subject: Re: Intel P6 vs P7 system call performance
References: <Pine.LNX.4.44.0212171115450.1095-100000@home.transmeta.com>
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Linus Torvalds wrote:
> 

> The only ones I found from a quick grep are
>  - sys_recvfrom
>  - sys_sendto
>  - sys_mmap2()
>  - sys_ipc()

All but mmap2 do not use 6 parameters.  They are implemented via the
sys_ipc multiplexer which takes the stack pointer as an argument which
then helps to locate the parameters.


-- 
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Ulrich Drepper \    ,-----------------'   \ Mountain View, CA 94041 USA
Red Hat         `--' drepper at redhat.com `---------------------------

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