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Date: Wed, 13 Dec 2006 18:27:58 +0100
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: [Xenomai-core] Re: [Adeos-main] [RFC] type-based spinlock op
	selection
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Philippe Gerum wrote:
> On Wed, 2006-12-13 at 18:04 +0100, Jan Kiszka wrote:
>> Philippe Gerum wrote:
>>> On Wed, 2006-12-06 at 09:49 +0100, Jan Kiszka wrote:
>>>> Hi,
>>>>
>>>> reading through the I-pipe patch I noticed that there are quite a fe=
w
>>>> spin_lock->spin_lock_hw and similar conversions. Having the conversi=
on
>>>> mechanism of the -rt patch in mind, I wrote the attached I-pipe clea=
nup
>>>> that applies a similar pattern on this issue. Gives more than 10k pa=
tch
>>>> size reduction for x86 and a bit more safety against minor variation=
s of
>>>> the patched code. Still, review of the lock usages keeps on being
>>>> required as the lock user could assume running IRQs off while I-pipe=
 may
>>>> not guarantee this.
>>>>
>>>> The required patch for Xenomai is attached as well.
>>>>
>>> I definitely like this. Queued for testing, thanks.
>>>
>> Small update of the ipipe part: typecasts were missing for the
>> SMP||DEBUG_SPINLOCK case.
>=20
> I saw this recently, thanks. I'm currently working on 1.6-02, which
> includes the spinlock op selection, and yet-another-rework of the
> interrupt flow. Did anything changed regarding the tracer in the
> attached patch?
>=20

Nope, only the linux/spinlock.h should be different (unless I messed
something up). Do you get rejects?

I'm currently preparing to post a few cleanup patches for I-pipe (and
Xenomai). Not a must for -02, but maybe worth a glance. Just a minute...


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