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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: dean-list-linux-kernel@arctic.org (dean gaudet)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox),
	torvalds@transmeta.com (Linus Torvalds),
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Re: Negative scalability by removal of
Date: Sun, 5 Nov 2000 22:43:46 +0000 (GMT)	[thread overview]
Message-ID: <E13sYVx-0005fB-00@the-village.bc.nu> (raw)
In-Reply-To: <Pine.LNX.4.21.0011051219030.22526-100000@twinlark.arctic.org> from "dean gaudet" at Nov 05, 2000 12:21:54 PM

> oh, someone reminded me of the other reason sysvsems suck:  a cgi can grab
> the semaphore and hold it, causing a DoS.  of course folks could, and
> should use suexec/cgiwrap to avoid this.

The same cgi can killall -STOP httpd
-
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  reply	other threads:[~2000-11-05 22:44 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200010261405.XAA19135@asami.proc.flab.fujitsu.co.jp>
     [not found] ` <200010250736.QAA12373@asami.proc.flab.fujitsu.co.jp>
     [not found]   ` <Pine.LNX.4.21.0010251242050.943-100000@duckman.distro.conectiva>
     [not found]     ` <200010260138.KAA17028@asami.proc.flab.fujitsu.co.jp>
2000-10-27  6:24       ` Negative scalability by removal of lock_kernel()? (Was: Strange performance behavior of 2.4.0-test9) kumon
2000-10-27  6:32         ` Negative scalability by removal of lock_kernel()?(Was: " Jeff V. Merkey
2000-10-27  7:13           ` Alexander Viro
2000-10-27  7:46             ` Andi Kleen
2000-10-27 10:23               ` Andrew Morton
2000-10-27 10:25                 ` Andi Kleen
2000-10-27 12:57               ` [PATCH] " kumon
2000-10-28 15:46                 ` Andrew Morton
2000-10-28 15:58                   ` Andi Kleen
2000-10-28 16:05                   ` Jeff Garzik
2000-10-28 16:20                   ` [PATCH] Re: Negative scalability by removal of lock_kernel()?(Was: Alan Cox
2000-10-29 19:45                     ` dean gaudet
2000-10-30  6:29                       ` Andi Kleen
2000-10-30 15:28                         ` Andrea Arcangeli
2000-10-30 16:36                           ` Rik van Riel
2000-10-30 18:02                             ` Andrea Arcangeli
2000-10-28 16:46                   ` [PATCH] Re: Negative scalability by removal of lock_kernel()?(Was: Strange performance behavior of 2.4.0-test9) Andrew Morton
2000-10-30  9:27                   ` kumon
2000-10-30 15:00                     ` Andrew Morton
2000-10-30 23:24                       ` dean gaudet
2000-11-04  5:08                         ` [PATCH] Re: Negative scalability by removal of lock_kernel()?(Was:Strange " Andrew Morton
2000-11-04  6:23                           ` Linus Torvalds
2000-11-04 10:54                             ` [PATCH] Re: Negative scalability by removal of Alan Cox
2000-11-04 17:22                               ` Linus Torvalds
2000-11-05 16:22                                 ` Andrea Arcangeli
2000-11-05 20:21                               ` dean gaudet
2000-11-05 22:43                                 ` Alan Cox [this message]
2000-11-04 20:03                             ` [PATCH] Re: Negative scalability by removal of lock_kernel()?(Was:Strange performance behavior of 2.4.0-test9) dean gaudet
2000-11-04 20:42                               ` [PATCH] Re: Negative scalability by removal of lock_kernel()?(Was:Strange Alan Cox
2000-11-04 20:11                           ` [PATCH] Re: Negative scalability by removal of lock_kernel()?(Was:Strange performance behavior of 2.4.0-test9) dean gaudet
2000-11-04 20:43                             ` [PATCH] Re: Negative scalability by removal of lock_kernel()?(Was:Strange Alan Cox
2000-11-05  4:52                               ` dean gaudet
2000-10-31 15:36                 ` [PATCH] Re: Negative scalability by removal of lock_kernel()?(Was: Strange performance behavior of 2.4.0-test9) Andrew Morton
2000-11-02 12:50                   ` kumon
2000-11-01  1:02                 ` kumon
2000-11-02 11:09                 ` kumon
2000-11-04  5:07                   ` Andrew Morton
2000-10-27  8:17             ` Jeff V. Merkey
2000-11-04  5:55             ` Preemptive scheduling of woken-up processes kumon
2000-10-27 10:11           ` Negative scalability by removal of lock_kernel()?(Was: Strange performance behavior of 2.4.0-test9) kumon
     [not found] <3A06C007.99EE3746@uow.edu.au>
2000-11-06 17:17 ` [PATCH] Re: Negative scalability by removal of Alan Cox
2000-11-06 17:48 ` Linus Torvalds
2000-11-07  5:23   ` dean gaudet
2000-11-07  5:14     ` David S. Miller
2000-11-07  9:27       ` dean gaudet
2000-11-07 12:54   ` Andrew Morton
2000-11-07 13:52     ` Alan Cox
2000-11-21  2:06     ` lamont

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