From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 0/6] enable creating [k,u]probe with perf_event_open
Date: Thu, 23 Nov 2017 10:49:16 +0100
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 <20171123090200.GB10669@infradead.org>
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Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
        Song Liu <songliubraving@fb.com>, rostedt@goodmis.org,
        mingo@redhat.com, davem@davemloft.net, netdev@vger.kernel.org,
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To: Christoph Hellwig <hch@infradead.org>
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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.