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From: Peter Zijlstra <>
To: Andi Kleen <>
Cc: Ian Rogers <>, Ingo Molnar <>,
	Arnaldo Carvalho de Melo <>,
	Mark Rutland <>,
	Alexander Shishkin <>,
	Jiri Olsa <>, Namhyung Kim <>,
	Kan Liang <>,,
	Stephane Eranian <>
Subject: Re: [PATCH v2] perf test x86: address multiplexing in rdpmc test
Date: Mon, 23 Mar 2020 13:29:25 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Sun, Mar 22, 2020 at 04:18:20PM -0700, Andi Kleen wrote:
> > Here's something a little better. Much of it copied from linux/math64.h
> > and asm/div64.h.
> Not sure what the point is of micro optimizing a unit test?
> This is never run in production.

People might use it as an example of how to use the stuff.. and then
copy horrendous crap code.

  reply	other threads:[~2020-03-23 12:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-21 17:37 [PATCH v2] perf test x86: address multiplexing in rdpmc test Ian Rogers
2020-03-22 10:18 ` Peter Zijlstra
2020-03-22 23:18   ` Andi Kleen
2020-03-23 12:29     ` Peter Zijlstra [this message]
2020-03-23  0:14   ` Ian Rogers

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