linux-kernel - Re: [PATCH v4 3/7] arm64: Introduce a kernel configuration option for VA

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Date:	Wed, 30 Apr 2014 11:21:00 +0900
From:	Jungseok Lee <jays.lee@...sung.com>
To:	'Catalin Marinas' <catalin.marinas@....com>
Cc:	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
	'Marc Zyngier' <Marc.Zyngier@....com>,
	'Christoffer Dall' <christoffer.dall@...aro.org>,
	linux-kernel@...r.kernel.org,
	'linux-samsung-soc' <linux-samsung-soc@...r.kernel.org>,
	steve.capper@...aro.org, sungjinn.chung@...sung.com,
	'Arnd Bergmann' <arnd@...db.de>, kgene.kim@...sung.com,
	ilho215.lee@...sung.com
Subject: Re: [PATCH v4 3/7] arm64: Introduce a kernel configuration option for
 VA_BITS

On Tuesday, April 29, 2014 11:45 PM, Catalin Marinas wrote:
> On Tue, Apr 29, 2014 at 05:59:23AM +0100, Jungseok Lee wrote:
> > +config ARM64_VA_BITS
> > +	int "Virtual address space size"
> > +	range 39 39 if ARM64_4K_PAGES && ARM64_3_LEVELS
> > +	range 42 42 if ARM64_64K_PAGES && ARM64_2_LEVELS
> > +	help
> > +	  This feature is determined by a combination of page size and
> > +	  level of translation tables.
> 
> OK, so you are doing the VA bits selection already. But see my other
> email about setting only exposing this and hiding the number of levels
> (though number of levels can be mentioned in the help).

Okay. I will hide the number of levels.

Best Regards
Jungseok Lee

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