linux-kernel - Re: [2.6.24 patch] restore ARMv6 OProfile support

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Message-ID: <20071228191159.GA21353@Krystal>
Date:	Fri, 28 Dec 2007 14:12:00 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Adrian Bunk <adrian.bunk@...ial.fi>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>, rmk@....linux.org.uk,
	phil.el@...adoo.fr, oprofile-list@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6.24 patch] restore ARMv6 OProfile support

* Adrian Bunk (adrian.bunk@...ial.fi) wrote:
> This patch restores the ARMv6 OProfile support that was killed by
> commit 09cadedbdc01f1a4bea1f427d4fb4642eaa19da9.
> 
> Signed-off-by: Adrian Bunk <adrian.bunk@...ial.fi>
> 

Yup, it must be put back, but I doubt stuffing it in
kernel/Kconfig.instrumentation is the best way to proceed, especially
since it will break the "instrumentation menu removal" patches currently
in -mm _and_ because this is arm-specific.

Why don't we simply put it in arch/arm/Kconfig ?


> ---
> 
>  kernel/Kconfig.instrumentation |   19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> 7fc221ef169610b5eac98e2ddd641811c0d53e4a 
> diff --git a/kernel/Kconfig.instrumentation b/kernel/Kconfig.instrumentation
> index 468f47a..4453187 100644
> --- a/kernel/Kconfig.instrumentation
> +++ b/kernel/Kconfig.instrumentation
> @@ -29,2 +29,17 @@ config OPROFILE
> 
> +config OPROFILE_ARMV6
> +	bool
> +	depends on OPROFILE && ARM && CPU_V6 && !SMP
> +	default y
> +	select OPROFILE_ARM11_CORE
> +
> +config OPROFILE_MPCORE
> +	bool
> +	depends on OPROFILE && ARM && CPU_V6 && SMP
> +	default y
> +	select OPROFILE_ARM11_CORE
> +
> +config OPROFILE_ARM11_CORE
> +	bool
> +
>  config KPROBES

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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