From: Philippe Gerum <rpm@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: Xenomai-core@domain.hid
Subject: Re: [Xenomai-core] [PATCH] fix initial rpi_push
Date: Sat, 01 Mar 2008 12:21:20 +0100 [thread overview]
Message-ID: <47C93C30.8030307@domain.hid> (raw)
In-Reply-To: <47C92740.9000203@domain.hid>
Jan Kiszka wrote:
> [My favorite again... :->]
>
> The initial rpi_push in xnshadow_start takes place for the caller's CPU,
> instead of the thread's target CPU.
>
> I haven't fully made up my mind about the practical impact of this bug,
This would leave the kernel spuriously run at a boosted priority level
on the source CPU.
> I just came across it the hard way (rpi_push worked on uninitialized
> data) while kicking CPUs out of the set that Xenomai shall support. At
> least it should cause quite some RPI "confusion" for a while on both
> involved CPUs.
>
Merged, thanks.
> Jan
>
>
> ------------------------------------------------------------------------
>
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> Xenomai-core@domain.hid
> https://mail.gna.org/listinfo/xenomai-core
--
Philippe.
prev parent reply other threads:[~2008-03-01 11:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-01 9:52 [Xenomai-core] [PATCH] fix initial rpi_push Jan Kiszka
2008-03-01 11:21 ` Philippe Gerum [this message]
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