From: Stevie O <stevie@qrpff.net>
To: Pavel Machek <pavel@suse.cz>, Jeff Garzik <jgarzik@mandrakesoft.com>
Cc: Anton Altaparmakov <aia21@cam.ac.uk>,
Andrew Morton <akpm@zip.com.au>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: fadvise syscall?
Date: Sun, 24 Mar 2002 01:38:17 -0500 [thread overview]
Message-ID: <5.1.0.14.2.20020324013457.022907d0@whisper.qrpff.net> (raw)
In-Reply-To: <20020322160542.G37@toy.ucw.cz>
At 04:05 PM 3/22/2002 +0000, Pavel Machek wrote:
>>
>>
>> I disagree, and here's the main reasons:
>>
>> * fadvise(2) usefulness extends past open(2). It may be useful to call
>> it at various points during runtime.
>
>open(/proc/self/fd/0, O_NEW_FLAGS)?
So to use fadvise(), the system must have /proc mounted?
Not everybody mounts /proc -- it provides a lot of potential information to anybody who can access it ("hmm... they have a QZ48257 ethernet chipset [cat /proc/pci] -- lets see, sending this specific sequence of bytes in a TCP packet will lock up the receiver...").
--
Stevie-O
Real programmers use COPY CON PROGRAM.EXE
next prev parent reply other threads:[~2002-03-24 6:43 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-17 8:39 fadvise syscall? Jeff Garzik
2002-03-17 8:56 ` Andrew Morton
2002-03-17 9:10 ` Jeff Garzik
2002-03-17 23:59 ` Anton Altaparmakov
2002-03-17 13:41 ` Anton Altaparmakov
2002-03-17 14:31 ` Simon Richter
2002-03-17 14:56 ` Jan Hudec
2002-03-17 15:00 ` Anton Altaparmakov
2002-03-17 19:20 ` Joel Becker
2002-03-18 7:28 ` Jeff Garzik
2002-03-18 7:55 ` Andrew Morton
2002-03-18 8:07 ` Jeff Garzik
2002-03-18 8:17 ` Andrew Morton
2002-03-18 16:41 ` Richard Gooch
2002-03-18 19:00 ` Andrew Morton
2002-03-18 19:15 ` Richard Gooch
2002-03-22 16:05 ` Pavel Machek
2002-03-24 6:38 ` Stevie O [this message]
2002-03-24 11:24 ` Pavel Machek
2002-03-24 12:52 ` Anton Altaparmakov
2002-03-25 11:12 ` Pavel Machek
2002-03-18 8:05 ` Joel Becker
2002-03-18 8:10 ` Jeff Garzik
2002-03-18 8:20 ` Joel Becker
2002-03-18 8:14 ` Andrew Morton
2002-03-18 14:39 ` Martin K. Petersen
2002-03-18 19:15 ` Andrew Morton
2002-03-18 19:42 ` Martin K. Petersen
2002-03-19 20:08 ` Eric W. Biederman
2002-03-19 23:38 ` Martin K. Petersen
2002-03-17 20:18 ` Richard Gooch
2002-03-17 15:13 ` Ken Hirsch
2002-03-17 17:14 ` Anton Altaparmakov
2002-03-17 18:31 ` Mark Mielke
2002-03-17 18:35 ` Ken Hirsch
2002-03-17 19:06 ` Anton Altaparmakov
2002-03-17 20:19 ` Ken Hirsch
2002-03-18 0:12 ` Anton Altaparmakov
[not found] ` <a73ujs$5mc$1@cesium.transmeta.com>
2002-03-18 8:58 ` Jan Hudec
2002-03-18 10:08 ` Jeff Garzik
2002-03-18 17:29 ` Mark Mielke
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