From: Ross Biro <rossb@google.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Alan Cox <alan@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.4.21-pre3-ac4
Date: Mon, 13 Jan 2003 12:36:57 -0800 [thread overview]
Message-ID: <3E232369.2030401@google.com> (raw)
In-Reply-To: 1042491950.20038.0.camel@irongate.swansea.linux.org.uk
Alan Cox wrote:
>On Mon, 2003-01-13 at 19:32, Ross Biro wrote:
>
>
>>One thing we could do to solve this entire problem is wait for the
>>interrupt to finish before sending the command to the drive in the first
>>place. Basically in ide_do_request we just have to change
>>
>>
>
>
>
>
>> if (!masked_irq) {
>> disable_irq_sync(hwif->irq);
>> }
>>
>>
>
>You cannot disable an IRQ synchronously holding a spin lock taken by an
>IRQ handler
>
>
You are correct, you have to drop the spinlock first. And it doesn't
really help anyway.
Ross
next prev parent reply other threads:[~2003-01-13 20:29 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-12 18:07 Linux 2.4.21-pre3-ac4 Alan Cox
2003-01-12 19:29 ` Benjamin Herrenschmidt
[not found] ` <1042403235.16288.14.camel@irongate.swansea.linux.org.uk>
2003-01-12 19:51 ` Benjamin Herrenschmidt
2003-01-12 19:57 ` Benjamin Herrenschmidt
2003-01-12 20:51 ` Alan Cox
2003-01-13 16:56 ` Benjamin Herrenschmidt
2003-01-12 20:40 ` Alan Cox
2003-01-12 20:02 ` Benjamin Herrenschmidt
2003-01-13 18:49 ` Ross Biro
2003-01-13 19:03 ` Benjamin Herrenschmidt
2003-01-13 19:19 ` Ross Biro
2003-01-13 19:32 ` Ross Biro
2003-01-13 21:05 ` Alan Cox
2003-01-13 20:36 ` Ross Biro [this message]
2003-01-13 19:46 ` Alan Cox
2003-01-14 17:38 ` Benjamin Herrenschmidt
2003-01-14 17:49 ` Ross Biro
2003-01-14 17:52 ` Benjamin Herrenschmidt
2003-01-14 21:17 ` Andre Hedrick
2003-01-15 0:23 ` Benjamin Herrenschmidt
2003-01-15 5:07 ` Andre Hedrick
[not found] ` <1043105473.12609.5.camel@dhcp22.swansea.linux.org.uk>
2003-01-21 17:07 ` Benjamin Herrenschmidt
2003-01-13 20:56 ` Benjamin Herrenschmidt
2003-01-13 21:36 ` Ross Biro
2003-01-14 1:35 ` Ross Biro
2003-01-14 1:44 ` Andre Hedrick
2003-01-14 9:18 ` Benjamin Herrenschmidt
2003-01-20 6:13 ` Alan Cox
2003-01-13 19:34 ` John Alvord
2003-01-13 19:48 ` Ross Biro
2003-01-13 21:24 ` Jeff Garzik
2003-01-13 21:40 ` Richard B. Johnson
2003-01-13 22:02 ` Benjamin Herrenschmidt
2003-01-13 22:07 ` Benjamin Herrenschmidt
2003-01-14 1:20 ` Richard B. Johnson
2003-01-14 9:06 ` Benjamin Herrenschmidt
2003-01-14 14:04 ` Richard B. Johnson
2003-01-14 14:35 ` Benjamin Herrenschmidt
2003-01-21 11:15 ` Linux 2.4.21-pre3-ac4 [PATCH] Paul Gortmaker
2003-01-21 13:21 ` Hugh Dickins
2003-01-21 11:46 ` small patch for Via Pro 266T agp-support Jurriaan
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