linux-kernel - Re: [patch 02/13] x86: PAT infrastructure patch

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Message-Id: <20080319130639.819777b7.randy.dunlap@oracle.com>
Date:	Wed, 19 Mar 2008 13:06:39 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	venkatesh.pallipadi@...el.com
Cc:	ak@....de, ebiederm@...ssion.com, rdreier@...co.com,
	torvalds@...ux-foundation.org, gregkh@...e.de, airlied@...net.ie,
	davej@...hat.com, mingo@...e.hu, tglx@...utronix.de, hpa@...or.com,
	akpm@...ux-foundation.org, arjan@...radead.org,
	jesse.barnes@...el.com, linux-kernel@...r.kernel.org,
	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: Re: [patch 02/13] x86: PAT infrastructure patch

On Tue, 18 Mar 2008 17:00:14 -0700 venkatesh.pallipadi@...el.com wrote:

diffstat would be very nice to have.


> Index: linux-2.6-x86.git/arch/x86/Kconfig
> ===================================================================
> --- linux-2.6-x86.git.orig/arch/x86/Kconfig	2008-03-17 11:06:47.000000000 -0700
> +++ linux-2.6-x86.git/arch/x86/Kconfig	2008-03-17 11:06:51.000000000 -0700
> @@ -1013,6 +1013,21 @@
>  
>  	  See <file:Documentation/mtrr.txt> for more information.
>  
> +config X86_PAT
> +	def_bool y
> +	prompt "x86 PAT support"
> +	depends on MTRR && NONPROMISC_DEVMEM
> +	help
> +	  Use PAT attributes to setup page level cache control.
> +	---help---
> +	  PATs are the modern equivalents of MTRRs and are much more
> +	  flexible than MTRRs.
> +

Do 2 help sections actually work?  We don't usually do that.
Just change the second one to a blank line.

> +	  Say N here if you see bootup problems (boot crash, boot hang,
> +	  spontaneous reboots) or a non-working Xorg.

Maybe "a non-working Xorg video driver" ?
or even omit Xorg and just say video driver?

> +
> +	  If unsure, say Y.
> +
>  config EFI
>  	def_bool n
>  	prompt "EFI runtime service support"


---
~Randy
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