From: Ingo Molnar <mingo@elte.hu>
To: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] pps: claim parallel port exclusively
Date: Tue, 25 Jan 2011 01:19:40 +0100 [thread overview]
Message-ID: <20110125001940.GD17623@elte.hu> (raw)
In-Reply-To: <5f4d478f7f5ec0e0734b29e6f35c635c86a2488d.1295912692.git.lasaine@lvk.cs.msu.su>
* Alexander Gordeev <lasaine@lvk.cs.msu.su> wrote:
> Both pps_parport and pps_gen_parport are written in a way that they
> can't share a port with any other driver. This can result in locking up
> the process that loads modules or even the whole kernel if the modules
> are compiled in. Use PARPORT_FLAG_EXCL to indicate this.
>
> Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Thanks Alexander - i think the bug you fixed here explains the symptoms i was
seeing.
Consider the bug fixed - i'll yell if something else pops up in testing.
Thanks,
Ingo
next prev parent reply other threads:[~2011-01-25 0:19 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-18 23:54 Linux 2.6.38-rc1 Linus Torvalds
2011-01-19 2:07 ` Linus Torvalds
2011-01-19 3:42 ` Justin Mattock
2011-01-19 3:53 ` Linus Torvalds
2011-01-19 4:05 ` Justin Mattock
2011-01-19 5:10 ` nobody
2011-01-19 5:42 ` Linus Torvalds
2011-01-19 5:56 ` Linus Torvalds
2011-01-19 18:07 ` Steven Rostedt
2011-01-19 18:26 ` Linus Torvalds
2011-01-21 3:23 ` tag&track [Re: Linux 2.6.38-rc1] nobody
2011-01-21 8:24 ` Alexey Dobriyan
2011-01-23 8:13 ` Linux 2.6.38-rc1 Török Edwin
2011-01-19 7:39 ` Linux 2.6.38-rc1 doesn't boot Markus Trippelsdorf
2011-01-19 7:46 ` Shaohua Li
2011-01-19 7:55 ` Markus Trippelsdorf
2011-01-19 7:49 ` Markus Trippelsdorf
2011-01-19 8:12 ` Shaohua Li
2011-01-19 8:56 ` H. Peter Anvin
2011-01-19 9:09 ` Ingo Molnar
2011-01-20 2:08 ` Shaohua Li
2011-01-20 3:32 ` Lu, Hongjiu
2011-01-20 11:25 ` Ingo Molnar
2011-01-20 15:08 ` Anvin, H Peter
2011-01-21 7:18 ` Shaohua Li
2011-01-21 7:55 ` Shaohua Li
2011-01-21 15:28 ` H. Peter Anvin
2011-01-21 15:37 ` Lu, Hongjiu
2011-01-21 21:09 ` Ingo Molnar
2011-01-19 9:33 ` [tip:x86/urgent] Revert "x86: Make relocatable kernel work with new binutils" tip-bot for Ingo Molnar
2011-01-20 4:59 ` Linux 2.6.38-rc1 doesn't boot Alexandre Courbot
2011-01-19 8:39 ` PPS parport boot lockup: INFO: HARDIRQ-READ-safe -> HARDIRQ-READ-unsafe lock order detected Ingo Molnar
2011-01-20 13:04 ` Alexander Gordeev
2011-01-21 14:44 ` Alexander Gordeev
2011-01-21 16:37 ` Linus Torvalds
2011-01-21 19:43 ` Ingo Molnar
2011-01-24 23:28 ` Alexander Gordeev
2011-01-24 23:46 ` [PATCH] pps: claim parallel port exclusively Alexander Gordeev
2011-01-25 0:19 ` Ingo Molnar [this message]
2011-01-24 15:00 ` PPS parport boot lockup: INFO: HARDIRQ-READ-safe -> HARDIRQ-READ-unsafe lock order detected Alexander Gordeev
2011-01-24 15:12 ` [PATCH] parport: make lockdep happy with waitlist_lock Alexander Gordeev
2011-01-24 15:28 ` Ingo Molnar
2011-01-24 15:33 ` Alexander Gordeev
2011-01-19 12:02 ` percpu related boot crash on x86 (was: Linux 2.6.38-rc1) Ingo Molnar
2011-01-19 12:44 ` Tejun Heo
2011-01-19 12:48 ` Peter Zijlstra
2011-01-19 12:56 ` Pekka Enberg
2011-01-19 13:12 ` Peter Zijlstra
2011-01-19 13:13 ` Tejun Heo
2011-01-19 20:53 ` Ingo Molnar
2011-01-19 23:11 ` Ingo Molnar
2011-01-20 8:31 ` percpu related boot crash on x86 Pekka Enberg
2011-01-20 10:47 ` Peter Zijlstra
2011-01-20 11:12 ` Eric Dumazet
2011-01-20 11:19 ` Tejun Heo
2011-01-20 11:06 ` [PATCH 1/2] lockdep: move early boot local IRQ enable/disable status to init/main.c Tejun Heo
2011-01-20 11:07 ` [PATCH 2/2] smp: allow on_each_cpu() to be called while early_boot_irqs_disabled " Tejun Heo
2011-01-20 20:22 ` [tip:core/urgent] smp: Allow " tip-bot for Tejun Heo
2011-01-20 11:11 ` [PATCH 1/2] lockdep: move early boot local IRQ enable/disable " Tejun Heo
2011-01-20 11:23 ` Peter Zijlstra
2011-01-20 11:26 ` Tejun Heo
2011-01-20 11:30 ` Pekka Enberg
2011-01-20 11:38 ` Peter Zijlstra
2011-01-20 12:00 ` Ingo Molnar
2011-01-20 12:20 ` [PATCH UPDATED " Tejun Heo
2011-01-20 11:51 ` [PATCH " Ingo Molnar
2011-01-20 20:21 ` [tip:core/urgent] lockdep: Move " tip-bot for Tejun Heo
2011-01-19 21:40 ` Linux 2.6.38-rc1 Alan Cox
2011-01-21 15:30 ` Aaro Koskinen
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