From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: [PATCH net] bpf: one perf event close won't free bpf program attached by another perf event Date: Thu, 21 Sep 2017 10:02:22 -0400 Message-ID: <20170921100222.18c03ab6@gandalf.local.home> References: <20170918233836.1817062-1-yhs@fb.com> <20170920214109.11002b7c@vmware.local.home> <94f5a61e-1a88-f285-224b-66c92dc3da7b@fb.com> <9e968490-87ae-7a79-9e59-0dcc840a93f5@fb.com> <20170921111706.343om7252gcagco6@hirez.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Yonghong Song , ast@fb.com, daniel@iogearbox.net, netdev@vger.kernel.org, kernel-team@fb.com To: Peter Zijlstra Return-path: Received: from mail.kernel.org ([198.145.29.99]:51900 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751593AbdIUOCZ (ORCPT ); Thu, 21 Sep 2017 10:02:25 -0400 In-Reply-To: <20170921111706.343om7252gcagco6@hirez.programming.kicks-ass.net> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 21 Sep 2017 13:17:06 +0200 Peter Zijlstra wrote: > I suspect that would break a fair bunch of bpf proglets, since the data > access to the trace data would be completely different, but it would be > much nicer to not have this distinction based on event type. Maybe this would be a good test to see if bpf is considered an ABI or not. -- Steve