From: Robert Love <rml@tech9.net>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Christoph Hellwig <hch@lst.de>,
linux-kernel@vger.kernel.org
Subject: Re: [patch] "big IRQ lock" removal, 2.5.27-A9
Date: 21 Jul 2002 18:00:15 -0700 [thread overview]
Message-ID: <1027299616.932.5.camel@sinai> (raw)
In-Reply-To: <Pine.LNX.4.44.0207220224170.4909-100000@localhost.localdomain>
On Sun, 2002-07-21 at 17:31, Ingo Molnar wrote:
> i've done a minor comment update in softirq.c, plus i've written a
> cli-sti-removal.txt guide to help driver writers do the transition:
Nice document.
One more doc correction while we are at it...
Robert Love
diff -urN linux-2.5.27/Documentation/preempt-locking.txt linux/Documentation/preempt-locking.txt
--- linux-2.5.27/Documentation/preempt-locking.txt Sat Jul 20 12:11:06 2002
+++ linux/Documentation/preempt-locking.txt Sun Jul 21 17:59:13 2002
@@ -70,7 +70,8 @@
preempt_enable() decrement the preempt counter
preempt_disable() increment the preempt counter
preempt_enable_no_resched() decrement, but do not immediately preempt
-preempt_get_count() return the preempt counter
+preempt_check_resched() if needed, reschedule
+preempt_count() return the preempt counter
The functions are nestable. In other words, you can call preempt_disable
n-times in a code path, and preemption will not be reenabled until the n-th
next prev parent reply other threads:[~2002-07-22 0:57 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-21 18:50 [patch] "big IRQ lock" removal, 2.5.27-A1 Ingo Molnar
2002-07-21 19:00 ` Linus Torvalds
2002-07-21 19:14 ` Ingo Molnar
2002-07-21 19:24 ` Ingo Molnar
2002-07-21 20:41 ` [patch] "big IRQ lock" removal, 2.5.27-A5 Ingo Molnar
2002-07-21 20:50 ` Ingo Molnar
2002-07-21 20:59 ` [patch] "big IRQ lock" removal, 2.5.27-A7 Ingo Molnar
2002-07-21 21:26 ` [patch] "big IRQ lock" removal, 2.5.27-A9 Ingo Molnar
2002-07-21 21:46 ` Christoph Hellwig
2002-07-21 21:56 ` Ingo Molnar
2002-07-21 23:20 ` Linus Torvalds
2002-07-22 0:31 ` Ingo Molnar
2002-07-22 0:40 ` Russell King
2002-07-22 0:55 ` Robert Love
2002-07-22 13:01 ` [patch] cli()/sti() cleanup, 2.5.27-A2 Ingo Molnar
2002-07-22 13:20 ` Christoph Hellwig
2002-07-22 13:23 ` Ingo Molnar
2002-07-22 13:26 ` Christoph Hellwig
2002-07-22 13:26 ` Ingo Molnar
2002-07-22 13:30 ` Christoph Hellwig
2002-07-22 13:36 ` [patch] remove-irqlock-2.5.27-D7 Ingo Molnar
2002-07-22 13:38 ` [patch] cli()/sti() cleanup, 2.5.27-A2 Ingo Molnar
2002-07-22 13:43 ` Christoph Hellwig
2002-07-22 13:49 ` Ingo Molnar
2002-07-22 14:00 ` Marcin Dalecki
2002-07-22 14:07 ` Ingo Molnar
2002-07-22 13:24 ` Christoph Hellwig
2002-07-22 13:43 ` Ingo Molnar
2002-07-22 13:46 ` Russell King
2002-07-22 13:49 ` Ingo Molnar
2002-07-30 9:17 ` Pavel Machek
2002-07-22 13:57 ` Marcin Dalecki
2002-07-22 14:05 ` Ingo Molnar
2002-07-22 14:27 ` Russell King
2002-07-22 14:28 ` Ingo Molnar
2002-07-22 13:46 ` Christoph Hellwig
2002-07-22 13:52 ` Ingo Molnar
2002-07-22 17:13 ` Linus Torvalds
2002-07-22 18:01 ` Ingo Molnar
2002-07-23 6:48 ` Zwane Mwaikambo
2002-07-22 1:00 ` Robert Love [this message]
2002-07-21 23:43 ` [patch] "big IRQ lock" removal, 2.5.27-A9 Russell King
2002-07-21 23:44 ` Ingo Molnar
2002-07-21 23:47 ` Russell King
2002-07-21 23:58 ` Ingo Molnar
2002-07-22 1:04 ` Alan Cox
2002-07-21 23:52 ` Ingo Molnar
2002-07-21 22:17 ` [patch] "big IRQ lock" removal, 2.5.27-A5 Alan Cox
2002-07-21 19:38 ` [patch] "big IRQ lock" removal, 2.5.27-A1 Robert Love
2002-07-21 22:19 ` Ingo Molnar
2002-07-21 23:55 ` Robert Love
2002-07-21 19:58 ` Russell King
2002-07-21 20:09 ` Ingo Molnar
2002-07-21 20:42 ` Russell King
2002-07-21 21:09 ` Ingo Molnar
2002-07-21 21:18 ` Russell King
2002-07-21 21:20 ` Ingo Molnar
2002-07-21 21:29 ` Ingo Molnar
2002-07-21 21:39 ` Ingo Molnar
2002-07-21 23:23 ` Ingo Molnar
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