From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E63AC46475 for ; Tue, 23 Oct 2018 08:20:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C63E720652 for ; Tue, 23 Oct 2018 08:20:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ssy7RLmG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C63E720652 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727805AbeJWQm5 (ORCPT ); Tue, 23 Oct 2018 12:42:57 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:59992 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727470AbeJWQm4 (ORCPT ); Tue, 23 Oct 2018 12:42:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=3hJRvoIl6+dIAR7VKncYG7G4ggseIO9swjtJz6FdSt8=; b=ssy7RLmG11QsXu/XAMTlDquAD 5sfwceGiAJQFQ9h/ktkYd9ZA9bAGqVkyseJ9YsF04YcnSqeqnG/0+agFfED3Y77C9mdVovghJTwuk Jgy+ueckBib4U5pK97Zf8792vKWfUE0+Piz4K0KvXcLlUxP0yhNmLmcuO0YFJZHlkMh6s2j7t2gh1 MavFm44fqn7wqdtISuZrjRRBgojQRe8SuCU1aciHAoIpfWZOBp4oGFnwVOjJxIJbNLXvg6GfWxAHI X8J4pMSrHeU/3waF6GwS4QSNRCJV2Zkd/ux3vYj4kFhyNltoS02XDbqRTYbSid5SmUiscQBuXqi43 ZD3Yz4gcA==; Received: from [185.7.230.213] (helo=worktop) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gErvL-0005Cj-EV; Tue, 23 Oct 2018 08:20:23 +0000 Received: by worktop (Postfix, from userid 1000) id CFFCB6E08B3; Tue, 23 Oct 2018 08:55:17 +0200 (CEST) Date: Tue, 23 Oct 2018 08:55:17 +0200 From: Peter Zijlstra To: Song Liu Cc: Ingo Molnar , lkml , "acme@kernel.org" , "alexander.shishkin@linux.intel.com" , "jolsa@redhat.com" , "eranian@google.com" , "tglx@linutronix.de" , "alexey.budankov@linux.intel.com" , "mark.rutland@arm.com" , "megha.dey@intel.com" , "frederic@kernel.org" Subject: Re: [RFC][PATCH] perf: Rewrite core context handling Message-ID: <20181023065517.GE3109@worktop.c.hoisthospitality.com> References: <20181010104559.GO5728@hirez.programming.kicks-ass.net> <9DFB7D45-76CD-4E77-8360-FBCE1AD9A78F@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9DFB7D45-76CD-4E77-8360-FBCE1AD9A78F@fb.com> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 23, 2018 at 06:13:29AM +0000, Song Liu wrote: > This might be a little off topic... > > What's you plan about this effort and the PMU sharing work > (https://lkml.org/lkml/2018/10/4/10)? Would PMU sharing work better/simpler > with this effort? It is on my todo list to look at; sorry for being tardy :/