linux-kernel - Re: [PATCH v4 07/18] perf: add generic memory sampling interface

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Message-ID: <20130106064354.GK29714@tassilo.jf.intel.com>
Date:	Sat, 5 Jan 2013 22:43:54 -0800
From:	Andi Kleen <ak@...ux.intel.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
	acme@...hat.com, namhyung.kim@....com
Subject: Re: [PATCH v4 07/18] perf: add generic memory sampling interface

> Why dont use enums for this?

enums can have unpredictable signed/unsignedness issues. #defines for
hardware constants is usually far safer.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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