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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] [PATCH v2 1/3] nucleus: Use Linux spin lock for heap	list management
Date: Mon, 19 Oct 2009 20:08:54 +0200	[thread overview]
Message-ID: <4ADCAB36.8080103@domain.hid> (raw)
In-Reply-To: <20091019171611.3332.58812.stgit@domain.hid>

Jan Kiszka wrote:
> No need for hard nklock protection of kheapq and the map counter, a
> normal spin lock suffices as all users must run over the root thread
> anyway.

At the very least, this should use rthal_spin_lock, in order to seem to
respect the layering.

Anyway, do we really want to change this now?

-- 
					    Gilles.


  reply	other threads:[~2009-10-19 18:08 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-19 17:16 [Xenomai-core] [PATCH v2 0/3] Sem heap statistics & mutex auto-cleanup fixes Jan Kiszka
2009-10-19 17:16 ` [Xenomai-core] [PATCH v2 1/3] nucleus: Use Linux spin lock for heap list management Jan Kiszka
2009-10-19 18:08   ` Gilles Chanteperdrix [this message]
2009-10-19 19:10     ` Jan Kiszka
2009-10-19 19:17       ` Jan Kiszka
2009-10-19 17:16 ` [Xenomai-core] [PATCH v2 2/3] nucleus: Include all heaps in statistics Jan Kiszka
2009-10-19 18:17   ` Gilles Chanteperdrix
2009-10-19 19:09     ` Jan Kiszka
2009-10-20 10:32       ` Philippe Gerum
2009-10-20 11:44         ` Jan Kiszka
2009-10-20 12:48           ` Philippe Gerum
2009-10-19 17:16 ` [Xenomai-core] [PATCH v2 3/3] native: Release fastlock to the proper heap Jan Kiszka

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