linux-kernel - Re: [PATCH v3 4/6] arm: add early

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Date:	Fri, 10 Jan 2014 15:52:02 -0500
From:	Mark Salter <msalter@...hat.com>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 4/6] arm: add early_ioremap support

On Fri, 2014-01-10 at 12:40 -0800, Stephen Boyd wrote:
> Just some minor nitpicks
> 
> On 01/09/14 19:50, Mark Salter wrote:
> > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> > index c1f1a7e..78a79a6a 100644
> > --- a/arch/arm/Kconfig
> > +++ b/arch/arm/Kconfig
> > @@ -1842,6 +1842,17 @@ config UACCESS_WITH_MEMCPY
> >  	  However, if the CPU data cache is using a write-allocate mode,
> >  	  this option is unlikely to provide any performance gain.
> >  
> > +config EARLY_IOREMAP
> > +	depends on MMU
> > +	bool "Provide early_ioremap() support for kernel initialization."
> 
> Please drop the full stop.
> 
> > +	select GENERIC_EARLY_IOREMAP
> > +	help
> > +	  Provide a mechanism for kernel initialisation code to temporarily
> > +	  map, in a highmem-agnostic way, memory pages in before ioremap()
> > +	  and friends are available (before paging_init() has run). It uses
> > +	  the same virtual memory range as kmap so all early mappings must
> > +	  be unapped before paging_init() is called.
> 
> s/unapped/unmapped/
> 

Will do. Thanks!


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