linux-kernel - Re: [PATCH v2 1/5] mm: create generic early

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Date:	Tue, 07 Jan 2014 15:11:48 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mark Salter <msalter@...hat.com>, linux-kernel@...r.kernel.org
CC:	linux-arch@...r.kernel.org, patches@...aro.org, linux-mm@...ck.org,
	x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>, Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>
Subject: Re: [PATCH v2 1/5] mm: create generic early_ioremap() support

On 01/06/2014 06:35 PM, Mark Salter wrote:
> 
> There is one difference from the existing x86 implementation which
> should be noted. The generic early_memremap() function does not return
> an __iomem pointer and a new early_memunmap() function has been added
> to act as a wrapper for early_iounmap() but with a non __iomem pointer
> passed in. This is in line with the first patch of this series:
> 

This makes a lot of sense.  However, I would suggest that we preface the
patch series with a single patch changing the signature for the existing
x86 function, that way this change becomes bisectable.

	-hpa


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