linux-kernel - Re: [PATCH 28/35] radix: move radix init early

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Message-ID: <1265866176.16346.33.camel@pasglop>
Date:	Thu, 11 Feb 2010 16:29:36 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH 28/35] radix: move radix init early


> OK, great. Would be good to have some coverage on other architectures
> as well. PPC was one of the archs that blew up last time we changed
> init order.

Hopefully that should be ok. In fact we use the radix tree in our
interrupt handling and today we have a horrible hack that reverts
to linear search early during boot until we can allocate the radix
trees in an arch_initcall.

Thus the patch should allow us to simplify that code and remove
that late init hack.

Cheers,
Ben.


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