linux-kernel - Re: [PATCH 01/35] lmb: prepare x86 to use lmb to replace early

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Message-ID: <4BF18500.60105@zytor.com>
Date:	Mon, 17 May 2010 11:03:44 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC:	Yinghai <yinghai.lu@...cle.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 01/35] lmb: prepare x86 to use lmb to replace early_res

On 05/14/2010 01:09 AM, Benjamin Herrenschmidt wrote:
> 
> No. That is not the point. Read the rest of my email !
> 
> We need to -sanitize- those errors. _Maybe_ exposing LMB_ERROR is the
> right way to do so, but in that case, we need to make -all- function use
> the same error code. Right now, some fail with 0 and some with
> LMB_ERROR.
> 

Using errnos like the rest of the kernel seems like the right thing to
do, IMO.

	-hpa
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