From: Rusty Russell <rusty@rustcorp.com.au>
To: Andrea Arcangeli <andrea@suse.de>
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: 2.4.7 softirq incorrectness.
Date: Fri, 27 Jul 2001 06:26:54 +1000 [thread overview]
Message-ID: <E15Pril-0004aT-00@localhost> (raw)
In-Reply-To: Your message of "Wed, 25 Jul 2001 21:33:51 +0200." <20010725213351.A32148@athlon.random>
In message <20010725213351.A32148@athlon.random> you write:
> You are wrong, please check again all the code involved.
Apologies: you are absolutely correct, disregard my crap patch.
local_irq_save does not inc local_irq_count, unlike local_bh_disable.
Oops.
> do_softirq can be re-entered but on re-entry it will return immediatly
"immediately" leaves a narrow window. Sure, it'd be really hard to
hit, but it's still there.
Rusty.
--
Premature optmztion is rt of all evl. --DK
next prev parent reply other threads:[~2001-07-26 22:25 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-22 20:44 2.4.7 softirq incorrectness Rusty Russell
2001-07-22 23:34 ` Andrea Arcangeli
2001-07-23 9:06 ` Rusty Russell
2001-07-23 12:05 ` David S. Miller
2001-07-23 14:31 ` Andrea Arcangeli
2001-07-23 14:29 ` Andrea Arcangeli
2001-07-24 9:35 ` Rusty Russell
2001-07-25 19:33 ` Andrea Arcangeli
2001-07-26 20:26 ` Rusty Russell [this message]
2001-07-23 9:25 ` Kai Germaschewski
2001-07-23 11:12 ` Jeff Garzik
2001-07-23 14:18 ` Andrea Arcangeli
2001-07-23 22:24 ` Alexey Kuznetsov
2001-07-25 22:23 ` Andrea Arcangeli
2001-07-26 17:46 ` kuznet
2001-07-26 18:03 ` Jeff Garzik
2001-07-26 18:29 ` Andrea Arcangeli
2001-07-27 16:48 ` kuznet
2001-07-27 0:47 ` Maksim Krasnyanskiy
2001-07-27 15:01 ` Andrea Arcangeli
2001-07-27 18:31 ` Maksim Krasnyanskiy
2001-07-27 18:59 ` kuznet
2001-07-27 19:21 ` Maksim Krasnyanskiy
2001-07-27 19:35 ` kuznet
2001-07-28 0:52 ` [PATCH] [IMPORTANT] " Maksim Krasnyanskiy
2001-07-28 17:41 ` kuznet
2001-07-28 18:02 ` Andrea Arcangeli
2001-07-28 19:02 ` kuznet
2001-07-28 19:32 ` Andrea Arcangeli
2001-07-28 23:28 ` Alexey Kuznetsov
2001-07-29 17:07 ` Linus Torvalds
2001-07-29 17:52 ` kuznet
2001-07-30 18:50 ` Ingo Molnar
2001-07-30 22:47 ` Nigel Gamble
2001-07-30 22:56 ` Christoph Hellwig
2001-07-31 18:08 ` kuznet
2001-07-28 17:54 ` Andrea Arcangeli
2001-07-28 19:17 ` Andrea Arcangeli
2001-07-30 18:32 ` Maksim Krasnyanskiy
2001-07-27 9:34 ` David S. Miller
2001-07-27 17:01 ` kuznet
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