From: Ingo Molnar <mingo@elte.hu>
To: Daniel Walker <dwalker@mvista.com>
Cc: Vitaly Wool <vwool@ru.mvista.com>, linux-kernel@vger.kernel.org
Subject: Re: 'sleeping function called from invalid context' bug when mounting an IDE device
Date: Fri, 8 Jul 2005 16:02:54 +0200 [thread overview]
Message-ID: <20050708140254.GA5477@elte.hu> (raw)
In-Reply-To: <1120831242.19225.3.camel@c-67-188-6-232.hsd1.ca.comcast.net>
* Daniel Walker <dwalker@mvista.com> wrote:
> > > So, the problem is in the generic IDE code, namely, in ide_intr()
> > > taking ide_lock.
> >
> > which version did you try, and does this happen with the latest patch
> > too?
>
> Interrupts should be enabled unconditionally for threaded interrupt
> handlers. Or at least the generics work that way.
yes, that's why i'm asking about the version and the full backtrace.
Threaded irq handlers run with irqs enabled:
/*
* Unconditionally enable interrupts for threaded
* IRQ handlers:
*/
if (!hardirq_count() || !(action->flags & SA_INTERRUPT))
raw_local_irq_enable();
Ingo
prev parent reply other threads:[~2005-07-08 14:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-08 12:28 'sleeping function called from invalid context' bug when mounting an IDE device Vitaly Wool
2005-07-08 13:43 ` Ingo Molnar
2005-07-08 14:00 ` Daniel Walker
2005-07-08 14:02 ` Ingo Molnar [this message]
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