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Date: Tue, 27 Aug 2002 13:52:58 -0700
From: Chris Wedgwood <cw@f00f.org>
To: Thunder from the hill <thunder@lightweight.ods.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Zheng Jian-Ming <zjm@cis.nctu.edu.tw>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: problems with changing UID/GID
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References: <20020827200025.GA8985@tapu.f00f.org> <Pine.LNX.4.44.0208271420190.3234-100000@hawkeye.luckynet.adm>
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On Tue, Aug 27, 2002 at 02:25:08PM -0600, Thunder from the hill wrote:

    > Almost immeasurable.  [sg]et[eu]id doesn't get called that
    > often.

    Syscalls do.

And they will almost never have to wait, perhaps spin for a few cycles
in the case of lock contention.  The only time a syscall will wait for
extended periods of time will be setuid and friends.



  --cw
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