linux-kernel - Re: [patch 2/6] x86, perf, cqm: Use proper data type

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Date:	Tue, 19 May 2015 09:58:05 +0100
From:	Matt Fleming <matt@...eblueprint.co.uk>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Vikas Shivappa <vikas.shivappa@...ux.intel.com>,
	x86@...nel.org, Matt Fleming <matt.fleming@...el.com>,
	Will Auld <will.auld@...el.com>,
	Kanaka Juvva <kanaka.d.juvva@...el.com>
Subject: Re: [patch 2/6] x86, perf, cqm: Use proper data type

On Tue, 19 May, at 12:00:51AM, Thomas Gleixner wrote:
> int is really not a proper data type for a MSR. Use u32 to make it
> clear that we are dealing with a 32bit unsigned hardware value.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> ---
>  arch/x86/kernel/cpu/perf_event_intel_cqm.c |    4 ++--
>  include/linux/perf_event.h                 |    2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)

Yeah, makes sense, but this is missing a bunch of changes to other
functions that pass rmids around.

Lemme take a swing at that.

-- 
Matt Fleming, Intel Open Source Technology Center
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