linux-kernel - Re: [PATCH V6 2/5] perf/x86/kvm: Avoid unnecessary work in guest filtering

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Message-ID: <20190204151741.GB17582@hirez.programming.kicks-ass.net>
Date:   Mon, 4 Feb 2019 16:17:41 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     kan.liang@...ux.intel.com
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org, tglx@...utronix.de,
        bp@...en8.de, mingo@...hat.com, ak@...ux.intel.com,
        eranian@...gle.com
Subject: Re: [PATCH V6 2/5] perf/x86/kvm: Avoid unnecessary work in guest
 filtering

On Mon, Feb 04, 2019 at 04:06:23PM +0100, Peter Zijlstra wrote:
> On Mon, Jan 21, 2019 at 01:42:28PM -0800, kan.liang@...ux.intel.com wrote:
> 
> So what's wrong with the below?
> 
> Installing a quirk for 

(typing hard..)

but what I was going to say is that it seems overkill to sprinkle all
that stuff around.