linux-kernel - Re: [PATCH 20/31] lmb: Add __NOT_KEEP

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Date:	Mon, 29 Mar 2010 09:20:28 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	michael@...erman.id.au
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 20/31] lmb: Add __NOT_KEEP_LMB to put lmb code to .init

On 03/29/2010 05:07 AM, Michael Ellerman wrote:
> On Sun, 2010-03-28 at 19:43 -0700, Yinghai Lu wrote:
>> So those lmb bits could released after kernel is booted up.
>>
>> Arch code could define __NOT_KEEP_LMB in asm/lmb.h, __init_lmb will become __init
> 
> ARCH_KEEP_LMB or ARCH_DISCARD_LMB, or something like that, would be more
> in keeping with existing flags like this.
> 

ok, will use ARCH_DISCARD_LMB.

BTW, it seems only PowerPC need to keep lmb after init stage, right ?

Thanks

Yinghai
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