From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ingo Molnar <mingo@elte.hu>
Cc: Doug Ledford <dledford@redhat.com>,
Linus Torvalds <torvalds@transmeta.com>, Greg KH <greg@kroah.com>,
Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: i810_audio.c cli/sti fix
Date: 27 Jul 2002 13:35:42 +0100 [thread overview]
Message-ID: <1027773342.17404.0.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <Pine.LNX.4.44.0207271103180.2606-100000@localhost.localdomain>
On Sat, 2002-07-27 at 10:10, Ingo Molnar wrote:
> how about a disable_irq_all() and enable_irq_all() call, which would
> disable every single interrupt source in the system? Sure it's a bit
> heavyweight (it disables the timer interrupt too), but if some driver
> **really** needs complete silence in the IRQ system then it might be
> useful. It would roughly be equivalent to cli() and sti(), from the
> hardirq disabling point of view. [it would not disable bottom halves.]
For the precision needed I think a local irq disable and the lock the
driver needs itself are sufficient, and the lock _irqsave will handle
the IRQ bits
next prev parent reply other threads:[~2002-07-27 11:17 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-24 21:13 Linux-2.5.28 Linus Torvalds
2002-07-24 21:46 ` Linux-2.5.28 Paul Larson
2002-07-24 21:57 ` Linux-2.5.28 Paul Larson
2002-07-24 22:11 ` Linux-2.5.28 Robert Love
2002-07-24 22:14 ` Linux-2.5.28 William Lee Irwin III
2002-07-24 22:20 ` Linux-2.5.28 Paul Larson
2002-07-24 23:31 ` Linux-2.5.28 Alessandro Suardi
2002-07-24 22:22 ` Linux-2.5.28 Robert Love
2002-07-24 22:49 ` Linux-2.5.28 Paul Larson
2002-07-24 22:32 ` Linux-2.5.28 Linus Torvalds
2002-07-24 22:30 ` Linux-2.5.28 Daniel Egger
2002-07-24 22:52 ` Linux-2.5.28 Linus Torvalds
2002-07-24 23:31 ` Linux-2.5.28 Daniel Egger
2002-07-25 1:08 ` Linux-2.5.28 Linus Torvalds
2002-07-25 1:54 ` Linux-2.5.28 Bartlomiej Zolnierkiewicz
2002-07-25 3:34 ` Linux-2.5.28 link problem jeff millar
2002-07-26 5:18 ` Linux-2.5.27-28 "undefined reference to local symbols in discarded section .text.exit" jeff millar
2002-07-27 13:53 ` 2.5.27-28-29 linker error: " jeff millar
2002-07-26 5:24 ` Linux-2.5.28 link problem Adrian Bunk
2002-07-25 9:21 ` Linux-2.5.28 Daniel Egger
2002-07-27 23:57 ` Linux-2.5.28 Andries Brouwer
2002-07-28 2:02 ` Linux-2.5.28 Alan Cox
2002-07-28 2:47 ` Linux-2.5.28 Linus Torvalds
2002-07-28 4:40 ` Linux-2.5.28 Linus Torvalds
2002-07-28 4:47 ` Linux-2.5.28 Larry McVoy
2002-07-28 12:50 ` Linux-2.5.28 Bartlomiej Zolnierkiewicz
2002-07-28 15:11 ` Linux-2.5.28 Andries Brouwer
2002-07-28 2:47 ` Linux-2.5.28 Greg KH
2002-07-28 15:56 ` Linux-2.5.28 Andries Brouwer
2002-07-28 18:53 ` Linux-2.5.28 Greg KH
2002-07-28 21:13 ` Linux-2.5.28 Andries Brouwer
2002-07-29 10:16 ` Linux-2.5.28 Marcin Dalecki
2002-07-29 18:15 ` Linux-2.5.28 Greg KH
[not found] ` <200207282203.g6SM3KI15155@fachschaft.cup.uni-muenchen.de>
2002-07-28 23:34 ` Linux-2.5.28 Andries Brouwer
2002-07-24 23:06 ` Linux-2.5.28 Jonathan Corbet
2002-07-25 5:56 ` Linux-2.5.28 Jens Axboe
2002-07-25 7:36 ` Linux-2.5.28 Marcin Dalecki
2002-07-24 22:43 ` Linux-2.5.28 Russell King
2002-07-24 23:02 ` Linux-2.5.28 Linus Torvalds
2002-07-24 23:55 ` Linux-2.5.28 Skip Ford
2002-07-24 23:15 ` Linux-2.5.28 Dave Jones
2002-07-24 23:19 ` Linux-2.5.28 Linus Torvalds
2002-07-25 10:16 ` Linux-2.5.28 Alexander Hoogerhuis
2002-07-25 0:37 ` i810_audio.c cli/sti fix Greg KH
2002-07-25 1:17 ` Linus Torvalds
2002-07-25 6:01 ` Greg KH
2002-07-25 6:19 ` cli-sti-removal.txt fixup Greg KH
2002-07-25 7:16 ` Thunder from the hill
2002-07-25 9:40 ` Ingo Molnar
2002-07-25 6:14 ` i810_audio.c cli/sti fix Doug Ledford
2002-07-27 9:10 ` Ingo Molnar
2002-07-27 12:35 ` Alan Cox [this message]
2002-07-28 6:13 ` Doug Ledford
2002-07-26 6:03 ` [PATCH] 2.5.28 small REQ_SPECIAL abstraction Marcin Dalecki
2002-07-26 14:38 ` Jens Axboe
2002-07-26 15:09 ` Marcin Dalecki
2002-07-28 19:25 ` Jens Axboe
2002-07-28 23:32 ` Linus Torvalds
2002-07-29 5:39 ` Jens Axboe
2002-07-29 5:50 ` Linus Torvalds
2002-07-29 10:24 ` Marcin Dalecki
2002-07-29 10:44 ` Jens Axboe
2002-07-29 11:05 ` Marcin Dalecki
2002-07-26 6:48 ` [PATCH] 2.5.28 IDE 102 Marcin Dalecki
2002-07-26 7:10 ` [PATCH] 2.5.28 IDE 103 Marcin Dalecki
2002-07-26 7:23 ` [PATCH] IDE 104 Marcin Dalecki
2002-07-26 10:13 ` Alan Cox
2002-07-26 9:07 ` Marcin Dalecki
2002-07-26 10:46 ` Alan Cox
2002-07-26 9:56 ` Marcin Dalecki
2002-07-26 7:57 ` Linux-2.5.28 Marcin Dalecki
2002-07-26 8:43 ` [PATCH] IDE 106 Marcin Dalecki
2002-07-26 13:34 ` [PATCH] IDE 107 Marcin Dalecki
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