From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Felix Radensky <felix@embedded-sol.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Preemption question (4xx related)
Date: Thu, 02 Jul 2009 08:13:13 +1000 [thread overview]
Message-ID: <1246486393.14483.14.camel@pasglop> (raw)
In-Reply-To: <24271342.post@talk.nabble.com>
On Tue, 2009-06-30 at 05:55 -0700, Felix Radensky wrote:
> Hi,
>
> Preemption is disabled on the vast majority of powerpc
> targets. Are there any known problems in this area ?
> I'd like to enable CONFIG_PREEMPT_VOLUNTARY on
> AMCC 405EX target, to increase application responsiveness.
> Is it a bad idea ?
In theory it should work, but as you may have noticed, it's generally
disabled and thus not very well tested.
It would be a good idea for us, some of the core devs, to turn that on
in our usual test configs in fact.
Cheers,
Ben.
next prev parent reply other threads:[~2009-07-01 22:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-30 12:55 Preemption question (4xx related) Felix Radensky
2009-07-01 22:13 ` Benjamin Herrenschmidt [this message]
2009-07-02 0:14 ` Josh Boyer
2009-07-02 7:33 ` Benjamin Herrenschmidt
2009-07-02 11:12 ` Josh Boyer
2009-07-02 22:41 ` Benjamin Herrenschmidt
2009-07-03 0:34 ` Josh Boyer
2009-07-02 9:14 ` Michel Dänzer
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