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From: Wolfgang Grandegger <wg@grandegger.com>
To: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: Austin Schuh <austin@peloton-tech.com>,
	Pavel Pisa <pisa@cmp.felk.cvut.cz>,
	linux-can@vger.kernel.org
Subject: Re: sja1000 interrupt problem
Date: Fri, 13 Dec 2013 18:33:27 +0100	[thread overview]
Message-ID: <52AB44E7.1070909@grandegger.com> (raw)
In-Reply-To: <52AB350F.7030108@hartkopp.net>

On 12/13/2013 05:25 PM, Oliver Hartkopp wrote:
> 
> 
> On 13.12.2013 11:09, Wolfgang Grandegger wrote:
> 
>> I mean modifying:
>>
>>
>>
>>         if (!noirqdebug) {
>>
>>                raw_spin_lock(&desc->lock);
>>
>>                note_interrupt(action->irq, desc, action_ret);
>>
>>                raw_spin_unlock(&desc->lock);
>>
>>         }
>>
>>
>>
>> here http://lxr.free-electrons.com/source/kernel/irq/manage.c#L865.
>>
>>
>>
>> Maybe a normal spin_lock is already OK.
>>
> 
> No change in behaviour when adding this patch.
> 
> But I did not use IRQ debugging in my machine ;-)


You mean you use "noirqdebug=1" on your system. But how did you then get
the following output?

 [ 1117.962202] Disabling IRQ #17

Maybe there are more issues with thread interrupt handling.

Wolfgang.


  reply	other threads:[~2013-12-13 17:33 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-08  0:47 sja1000 interrupt problem Austin Schuh
2013-10-08  6:32 ` Wolfgang Grandegger
2013-10-08  6:58   ` Oliver Hartkopp
2013-10-08 18:48     ` Austin Schuh
2013-10-08 19:44       ` Wolfgang Grandegger
2013-10-08 20:47         ` Austin Schuh
2013-10-09  6:21           ` Wolfgang Grandegger
2013-10-09  6:31           ` Wolfgang Grandegger
2013-10-09  6:47           ` Wolfgang Grandegger
     [not found]             ` <CANGgnMZpPGctUWGcg7Lp-QFPc7d6A5GeL9KQYnpeYMR8WukgdA@mail.gmail.com>
2013-11-07  8:15               ` Wolfgang Grandegger
2013-11-07 23:43                 ` Austin Schuh
2013-11-09 14:21                   ` Oliver Hartkopp
2013-11-12  2:59                     ` Austin Schuh
2013-11-12 21:26                       ` Oliver Hartkopp
2013-11-12 23:22                         ` Austin Schuh
2013-11-13  3:41                           ` Austin Schuh
2013-11-13  6:58                             ` Oliver Hartkopp
2013-11-13  9:48                               ` Kurt Van Dijck
2013-11-13  6:44                           ` Oliver Hartkopp
2013-11-13  8:11                             ` Wolfgang Grandegger
2013-11-13  9:08                               ` Pavel Pisa
2013-11-13  9:52                                 ` Wolfgang Grandegger
2013-11-13 18:41                                   ` Oliver Hartkopp
2013-11-13 19:29                                     ` Wolfgang Grandegger
2013-11-13 22:00                                       ` Oliver Hartkopp
2013-11-13 11:02                                 ` Kurt Van Dijck
2013-11-16 21:42                                 ` Oliver Hartkopp
2013-11-17  8:18                                   ` Wolfgang Grandegger
2013-11-17 14:27                                     ` Oliver Hartkopp
2013-11-17 17:23                                       ` Wolfgang Grandegger
2013-11-17 20:46                                         ` Wolfgang Grandegger
2013-11-18 17:08                                           ` Austin Schuh
2013-12-09 21:54                                             ` Austin Schuh
2013-12-09 21:54                                               ` Austin Schuh
2013-12-10  7:49                                               ` Wolfgang Grandegger
2013-12-10  8:05                                                 ` Austin Schuh
2013-12-10  9:32                                                   ` Wolfgang Grandegger
2013-12-10 13:47                                                     ` Oliver Hartkopp
2013-12-10 14:23                                                       ` Oliver Hartkopp
2013-12-10 14:41                                                       ` Wolfgang Grandegger
2013-12-10 16:05                                                         ` Oliver Hartkopp
2013-12-10 21:12                                                           ` Wolfgang Grandegger
2013-12-11 16:59                                                             ` Oliver Hartkopp
2013-12-11 19:27                                                               ` Wolfgang Grandegger
2013-12-12  6:13                                                                 ` Oliver Hartkopp
2013-12-12 17:38                                                                   ` Oliver Hartkopp
2013-12-12 22:56                                                                     ` Wolfgang Grandegger
2013-12-13  0:07                                                                       ` Austin Schuh
2013-12-13 16:16                                                                         ` Oliver Hartkopp
2013-12-13  9:38                                                                       ` Oliver Hartkopp
2013-12-13 10:04                                                                         ` Wolfgang Grandegger
2013-12-13 10:09                                                                           ` Wolfgang Grandegger
2013-12-13 16:25                                                                             ` Oliver Hartkopp
2013-12-13 17:33                                                                               ` Wolfgang Grandegger [this message]
2013-12-13 10:07                                                                         ` Marc Kleine-Budde
2013-12-13 16:22                                                                           ` Oliver Hartkopp
2013-12-13 17:14                                                                             ` Oliver Hartkopp
2013-12-13 21:14                                                                               ` Oliver Hartkopp
2013-12-14  9:51                                                                                 ` Oliver Hartkopp
2013-12-20 23:13                                                                                   ` Austin Schuh
2013-12-21  8:29                                                                                     ` Wolfgang Grandegger
2013-12-21 13:12                                                                                       ` Oliver Hartkopp
2013-12-21 12:55                                                                                     ` Oliver Hartkopp
2013-12-23 15:58                                                                                       ` Oliver Hartkopp
2013-11-09 19:42                   ` Wolfgang Grandegger
     [not found]                     ` <CANGgnMbb+VResUC6h+cK6Hfe5PLJx9R9ao6bMdJM2e5BPaDamw@mail.gmail.com>
2013-11-12 22:15                       ` Wolfgang Grandegger

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