linux-kernel - Re: [PATCH 2/2] firmware/memmap: Move kobject initialisation before kobject

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Date:	Wed, 30 Jul 2008 13:40:11 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Bernhard Walle <bwalle@...e.de>
Cc:	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
	vgoyal@...hat.com, x86@...nel.org
Subject: Re: [PATCH 2/2] firmware/memmap: Move kobject initialisation before
 kobject_add()

On Wed, 30 Jul 2008 22:14:24 +0200
Bernhard Walle <bwalle@...e.de> wrote:

> * Bernhard Walle <bwalle@...e.de> [2008-07-30 22:12]:
> >
> > Because kobject_init() call could be done from firmware_map_add_entry()
> > which is called before kmalloc() can be used (we use the early bootmem allocator
> > here), move that call to memmap_init() which is a late_initcall.
> 
> You can leave out that patch now since kobject_init() was adapted with
> the other patch ... But I think it would still make sense to include
> that one.

What one?  Your thises and thats are confusing.

If you think that "firmware/memmap: Move kobject initialisation before
kobject_add()" should still be applied then I'd disagree.  Adding a
GFP_KERNEL allocation into kobject_init() was a fairly significant
backward step.  It's _good_ that kobject_init() can be called this
early.  Let us strive to retain that robustness.



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