From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Mon, 20 Jun 2011 21:41:51 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: Re: [Xenomai-core] [Xenomai-git] Jan Kiszka : nucleus: Fix
	interrupt handler tails
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: Xenomai core <Xenomai-core@domain.hid>

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On 2011-06-20 21:41, Gilles Chanteperdrix wrote:
> On 06/20/2011 09:38 PM, Jan Kiszka wrote:
>> On 2011-06-20 19:33, Gilles Chanteperdrix wrote:
>>> On 06/20/2011 06:43 PM, Jan Kiszka wrote:
>>>> On 2011-06-19 17:41, Gilles Chanteperdrix wrote:
>>>>> Merged your whole branch, but took the liberty to change it a bit
>>>>> (replacing the commit concerning unlocked context switches with com=
ments
>>>>> changes only, and changing the commit about xntbase_tick).
>>>>
>>>> What makes splmax() redundant for the unlocked context switch case? =
IMO
>>>> that bug is still present.
>>>
>>> No, the bug is between my keyboard and chair. On architectures with
>>> unlocked context switches, the Linux task switch still happens with i=
rqs
>>> off, only the mm switch happens with irqs on.
>>
>> Then why do we call xnlock_get_irqsave in
>> xnsched_finish_unlocked_switch? Why not simply xnlock_get if irqs are
>> off anyway?
>=20
> Because of the Xenomai task switch, not the Linux task switch.

--verbose please.

Jan


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