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From: Randy Dunlap <randy.dunlap@oracle.com>
To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	Adrian Bunk <bunk@stusta.de>, Andi Kleen <andi@firstfloor.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Christoph Hellwig <hch@infradead.org>
Subject: Re: [patch 2/7] Immediate Values - Kconfig menu in EMBEDDED
Date: Mon, 17 Sep 2007 13:55:17 -0700	[thread overview]
Message-ID: <20070917135517.2436c575.randy.dunlap@oracle.com> (raw)
In-Reply-To: <20070917184319.915814997@polymtl.ca>

On Mon, 17 Sep 2007 14:42:26 -0400 Mathieu Desnoyers wrote:

>  init/Kconfig |   21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> Index: linux-2.6-lttng/init/Kconfig
> ===================================================================
> --- linux-2.6-lttng.orig/init/Kconfig	2007-09-04 11:53:59.000000000 -0400
> +++ linux-2.6-lttng/init/Kconfig	2007-09-04 12:12:03.000000000 -0400
> @@ -407,6 +407,17 @@ config CC_OPTIMIZE_FOR_SIZE
>  config SYSCTL
>  	bool
>  
> +config IMMEDIATE
> +	default y if !DISABLE_IMMEDIATE
> +	depends on X86_32 || PPC || PPC64
> +	bool
> +	help
> +	  Immediate values are used as read mostly variables that are rarely

                                       read-mostly

> +	  updated. They use code patching to modify the values inscribed in the
> +	  instruction stream. It provides a way to save precious cache lines

They .... (then) It ...
so choose one of the other.  I think I prefer "They".

> +	  that would otherwise have to be used by these variables. Can be
> +	  disabled through the EMBEDDED menu.
> +
>  menuconfig EMBEDDED
>  	bool "Configure standard kernel features (for small systems)"
>  	help

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***

  reply	other threads:[~2007-09-17 20:58 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-17 18:42 [patch 0/7] Immediate Values Mathieu Desnoyers
2007-09-17 18:42 ` [patch 1/7] Immediate Values - Architecture Independent Code Mathieu Desnoyers
2007-09-18 17:47   ` Denys Vlasenko
2007-09-18 17:59     ` Mathieu Desnoyers
2007-09-18 20:01       ` Denys Vlasenko
2007-09-18 20:47         ` Mathieu Desnoyers
2007-09-19  8:45           ` Denys Vlasenko
2007-09-19  8:57           ` Denys Vlasenko
2007-09-19 11:27             ` Mathieu Desnoyers
2007-09-17 18:42 ` [patch 2/7] Immediate Values - Kconfig menu in EMBEDDED Mathieu Desnoyers
2007-09-17 20:55   ` Randy Dunlap [this message]
2007-09-17 18:42 ` [patch 3/7] Immediate Values - Move Kprobes i386 restore_interrupt to kdebug.h Mathieu Desnoyers
2007-09-17 18:42 ` [patch 4/7] Immediate Values - i386 Optimization Mathieu Desnoyers
2007-09-18  6:04   ` Borislav Petkov
2007-09-17 18:42 ` [patch 5/7] Immediate Values - Powerpc Optimization Mathieu Desnoyers
2007-09-17 18:42 ` [patch 6/7] Immediate Values - Documentation Mathieu Desnoyers
2007-09-17 20:55   ` Randy Dunlap
2007-09-18 13:13     ` Mathieu Desnoyers
2007-09-17 18:42 ` [patch 7/7] Scheduler Profiling - Use Immediate Values Mathieu Desnoyers
2007-09-18 21:07 [patch 0/7] Immediate Values for 2.6.23-rc6-mm1 Mathieu Desnoyers
2007-09-18 21:07 ` [patch 2/7] Immediate Values - Kconfig menu in EMBEDDED Mathieu Desnoyers
2007-09-18 22:02   ` Randy Dunlap
2007-09-19 11:13     ` Mathieu Desnoyers
2007-12-06  2:07 [patch 0/7] Immediate Values (redux) for 2.6.24-rc4-git3 Mathieu Desnoyers
2007-12-06  2:08 ` [patch 2/7] Immediate Values - Kconfig menu in EMBEDDED Mathieu Desnoyers
2008-02-02 21:08 [patch 0/7] Immediate Values Mathieu Desnoyers
2008-02-02 21:08 ` [patch 2/7] Immediate Values - Kconfig menu in EMBEDDED Mathieu Desnoyers

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