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From: Arnd Bergmann <arnd.bergmann@de.ibm.com>
To: linuxppc-dev@ozlabs.org
Cc: Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH] use msleep() for RTAS delays
Date: Thu, 1 Jun 2006 20:09:34 +0200	[thread overview]
Message-ID: <200606012009.35082.arnd.bergmann@de.ibm.com> (raw)
In-Reply-To: <17534.32164.268580.217501@cargo.ozlabs.ibm.com>

On Thursday 01 June 2006 07:39, Paul Mackerras wrote:
> 
> > rtas_call_waitbusy(...);
> 
> That's a good idea...

Do we also need an atomic version of that? Maybe there are
places where we actually need to call a slow rtas call
under a spinlock.

At the very least, rtas_call_waitbusy() should have a
might_sleep() in it to find those places.

	Arnd <><

  reply	other threads:[~2006-06-01 18:09 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-31 19:32 [PATCH] use msleep() for RTAS delays John Rose
2006-06-01  5:31 ` Benjamin Herrenschmidt
2006-06-01  5:39   ` Paul Mackerras
2006-06-01 18:09     ` Arnd Bergmann [this message]
2006-06-01 15:55   ` John Rose
2006-06-01 22:25     ` John Rose
2006-06-02 20:30       ` [PATCH] reorg RTAS delay code John Rose
2006-06-02 21:33         ` Nathan Lynch
2006-06-05 21:31           ` John Rose
2006-06-05 21:54             ` Nathan Lynch
2006-06-10  2:04             ` Anton Blanchard
2006-06-10  2:08               ` Anton Blanchard
2006-06-12 16:18                 ` John Rose
     [not found]                   ` <17553.4390.79327.634945@cargo.ozlabs.ibm.com>
2006-06-15 22:32                     ` [PATCH] powerpc: RTAS delay, fix module build breaks John Rose
2006-07-13 18:20             ` [PATCH] reorg RTAS delay code Nathan Lynch
2006-07-25  4:39               ` Haren Myneni

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