From: Jeff Garzik <jgarzik@pobox.com>
To: insecure@mail.od.ua
Cc: Linus Torvalds <torvalds@osdl.org>,
Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] raceless request_region() fix (was Re: Linux 2.6.0-test4)
Date: Mon, 25 Aug 2003 17:59:20 -0400 [thread overview]
Message-ID: <3F4A86B8.9080404@pobox.com> (raw)
In-Reply-To: <200308260026.47994.insecure@mail.od.ua>
Is it a race if noone cares? :)
The code does
if (!request_region(...))
fail
touch hardware
release_region
if (!request_region(...))
fail
If the HIGHLY UNLIKELY event of another ISA driver claiming this region
occurs, the system continues working just fine.
At the time, I was thinking that any further touching of the code should
be converting it to a more pnp-like structure.
Jeff
next prev parent reply other threads:[~2003-08-25 21:59 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-23 0:48 Linux 2.6.0-test4 Linus Torvalds
2003-08-23 1:21 ` [PATCH] Fix cdrom error handling in 2.6 Erik Andersen
2003-08-23 12:26 ` Linux 2.6.0-test4 vlad
2003-08-23 15:31 ` Jeff Garzik
2003-08-23 15:33 ` William Scott Lockwood III
2003-08-25 5:43 ` vlad
2003-08-24 11:39 ` [PATCH] airo (was: Re: Linux 2.6.0-test4) Geert Uytterhoeven
2003-08-24 21:00 ` Javier Achirica
2003-08-24 11:47 ` [PATCH] vmlinux-*.lds " Geert Uytterhoeven
2003-08-24 11:51 ` [PATCH] macide " Geert Uytterhoeven
2003-08-24 12:20 ` Christoph Hellwig
2003-08-24 12:29 ` Geert Uytterhoeven
2003-08-25 21:00 ` [patch] 2.6.0-test4: sis190 doesn't compile with gcc 2.95 Adrian Bunk
2003-08-26 17:44 ` Jeff Garzik
2003-08-25 21:20 ` Linux 2.6.0-test4 insecure
2003-08-25 21:26 ` [PATCH] raceless request_region() fix (was Re: Linux 2.6.0-test4) insecure
2003-08-25 21:59 ` Jeff Garzik [this message]
2003-08-26 5:20 ` insecure
2003-08-25 22:56 ` Linux 2.6.0-test4 (compile statistics) John Cherry
2003-08-30 9:04 ` Linux 2.6.0-test4 Ralf Hildebrandt
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