From: john cooper <john.cooper@timesys.com>
To: Gene Heskett <gene.heskett@verizon.net>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
john cooper <john.cooper@timesys.com>
Subject: Re: 2.6.12 PREEMPT_RT && PPC
Date: Thu, 21 Jul 2005 09:13:48 -0400 [thread overview]
Message-ID: <42DF9F8C.7010503@timesys.com> (raw)
In-Reply-To: <200507210745.57120.gene.heskett@verizon.net>
Gene Heskett wrote:
> Humm, I wondering out loud if this is the video dma failure in tvtime?
> Anyway, it applied cleanly over -33, and is building now, set for
> mode=4.
On i386 the hw_irq_controller.end() handler
conditionally calls the function registered
for the hw_irq_controller.enable() handler
[enable_8259A_irq()] which I'd hazard is
how the missing hw_irq_controller.end() call
went unnoticed. ie: for the i386 the end()
call was effectively redundant w/r/t the
enable() call.
However for PPC there is some specific
unfinished business to be done at the logical
conclusion of IRQ reception which is
accomplished by the registered end() hook.
-john
--
john.cooper@timesys.com
next prev parent reply other threads:[~2005-07-21 13:15 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-19 22:16 Interbench real time benchmark results Con Kolivas
2005-07-19 22:32 ` Ingo Molnar
2005-07-20 0:23 ` Daniel Walker
2005-07-20 1:04 ` Con Kolivas
2005-07-20 1:22 ` Daniel Walker
2005-07-20 1:31 ` Jesper Juhl
2005-07-20 1:45 ` Con Kolivas
2005-07-21 4:48 ` 2.6.12 PREEMPT_RT && PPC john cooper
2005-07-21 11:45 ` Gene Heskett
2005-07-21 12:22 ` Gene Heskett
2005-07-21 13:13 ` john cooper [this message]
2005-07-26 12:00 ` Ingo Molnar
2005-07-26 14:44 ` K.R. Foley
2005-07-26 14:55 ` Ingo Molnar
2005-07-26 15:06 ` K.R. Foley
2005-07-20 0:23 ` Interbench real time benchmark results Daniel Walker
2005-07-20 4:59 ` Lee Revell
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