linux-kernel - Re: [PATCH] perf: Introduce function to report unsupported syscall attribute flags

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Date:	Wed, 12 Sep 2012 13:20:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Robert Richter <robert.richter@....com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf: Introduce function to report unsupported syscall
 attribute flags

On Wed, 2012-09-12 at 13:01 +0200, Robert Richter wrote:
> +       if (notsup)
> +               pr_warn("perf: unsupported attribute flags: %016llx\n", notsup); 

This is a dmesg DoS..

I'm also not sure dmesg is the right way.. could we not somehow change
the attrs to provide better diagnostic?
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