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Date:   Thu, 23 Nov 2017 10:49:16 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Song Liu <songliubraving@...com>, rostedt@...dmis.org,
        mingo@...hat.com, davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, daniel@...earbox.net,
        kernel-team@...com
Subject: Re: [PATCH 0/6] enable creating [k,u]probe with perf_event_open

On Thu, Nov 23, 2017 at 01:02:00AM -0800, Christoph Hellwig wrote:
> Just curious: why do you want to overload a multiplexer syscall even
> more instead of adding explicit syscalls?

Mostly because perf provides much of what they already want; fd-based
lifetime and bpf integration.

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