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 <><
next prev parent 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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