linux-kernel - Re: [PATCH 7/8] xtensa: implement counting and sampling perf events

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Message-ID: <CAMo8BfJpShZCbt6_3Pe4bsnU653izzfdNRiU=8vWOKnHeA-OzQ@mail.gmail.com>
Date:	Mon, 6 Jul 2015 16:49:32 +0300
From:	Max Filippov <jcmvbkbc@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	"linux-xtensa@...ux-xtensa.org" <linux-xtensa@...ux-xtensa.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Chris Zankel <chris@...kel.net>,
	Marc Gauthier <marc@...ence.com>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [PATCH 7/8] xtensa: implement counting and sampling perf events

On Mon, Jul 6, 2015 at 4:41 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> Since this PMU implements TYPE_HARDWARE/TYPE_HW_CACHE/TYPE_RAW,
> returning -ENOENT for those is wrong.
>
> If the configuration is invalid, return -EINVAL.

Ok.

-- 
Thanks.
-- Max
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