From: David Miller <davem@davemloft.net>
To: benh@kernel.crashing.org
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org
Subject: Re: PS3: Fix memory hotplug
Date: Thu, 15 May 2008 00:02:03 -0700 (PDT) [thread overview]
Message-ID: <20080515.000203.225783838.davem@davemloft.net> (raw)
In-Reply-To: <1210834289.8297.85.camel@pasglop>
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Wed, 14 May 2008 23:51:29 -0700
>
> > Paul, any thoughts here ? Should we add a lock ? That would mean being
> > careful as the LMB stuff can be called very early, and spinlock wants
> > things like PACA and possibly lockdep to be around..
>
> Actually, we call early_init_devtree(), which populates the LMB, after
> we initialize the PACA and lockdep, so it -should- be safe to add a
> spinlock.
>
> Dave ? Any objection to adding a spinlock to the LMB code ?
No objections, just don't add any bugs. :-)
next prev parent reply other threads:[~2008-05-15 7:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-13 16:23 PS3: Fix memory hotplug Geoff Levand
2008-05-15 6:48 ` Benjamin Herrenschmidt
2008-05-15 6:51 ` Benjamin Herrenschmidt
2008-05-15 7:02 ` David Miller [this message]
2008-05-20 0:40 ` [rfc] [patch] LMB: Add basic spin locking to lmb Geoff Levand
2008-05-20 0:55 ` [patch v2] " Geoff Levand
2008-05-20 2:22 ` David Miller
2008-05-20 2:32 ` Benjamin Herrenschmidt
2008-05-20 2:34 ` David Miller
2008-05-15 9:38 ` PS3: Fix memory hotplug Paul Mackerras
2008-05-21 18:31 ` Geoff Levand
2008-05-15 20:09 ` [patch v2] " Geoff Levand
2008-05-21 16:41 ` Geoff Levand
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