Received: by 2002:ac0:a874:0:0:0:0:0 with SMTP id c49csp196456ima; Fri, 15 Mar 2019 00:16:05 -0700 (PDT) X-Google-Smtp-Source: APXvYqxAvjIcfoMxqdBELxpom5xANrX4UFzCX/LpD6UAUuxOnlqEqeYoUKGD5g6mzJKtndUe83Yt X-Received: by 2002:a17:902:bccc:: with SMTP id o12mr2529363pls.70.1552634165454; Fri, 15 Mar 2019 00:16:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1552634165; cv=none; d=google.com; s=arc-20160816; b=luuEQhW6IBNiMaf1/wvBey/spnC3Z4DsV7I97yJs6Ys4t/NV3bVkHArJqhcyMusRHM 8g3Utwn+ckHusnU2RWfsWpvydCXIp7/WbbnH9xeXgkEFbV3WTHkmKAichkVUU29s41DD fswvUQjAmAv0SVcgxD+bID4QO8awakOdjgNHcnaPwZ5MuNkEjeudbihhLf7CPiKW57mJ xdOobJaHC8DFpvZoBbKApOq2afUjmUOmZEprSq2db02KAqDrOD/frorPBJHtISDqN/hn IhZl5EMFp5+QeOgqNdmaQQ/V6saZACRelb2Qn1h9KZWupsLdPzhDvQqj9V3+QZxc1ozM ONwA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=4ZsRcmGgX07taPTFmR8odR6bONfGDkN8f589/AZGEf4=; b=KBjThF1qfw3WQ3BBV7irEjp8dS6srPuc2sHeqXpymEA2t2X2/NDecexlCAhkUV6B9L LNkeHxTr1iTvGHfDz5QjThqasS4U7apYIGoQwk3+EBpHH6fHA1bzbORU7/FZLt0tFmiU wHbO0UREARGSjTdhElT+vBczn9zm7gop/W6r8lX5FO6iXSe1yctVo7yqLiCwJ4ZejaD9 QtI7sdTnUGIRxgTmp40oOSvrLoACHXgbg12dt/dK9TYzF9vibJL09uX/f6z1Lc6jUjKu ZKMRRbrl1GtFgPLN1F8fMvqgKiSswBarP9fe2nfMGbKbG960gzgtcdpoiE8f2WhbpxJE Oy9A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=UTnWdLsJ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h9si1105235plk.373.2019.03.15.00.15.49; Fri, 15 Mar 2019 00:16:05 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=UTnWdLsJ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728364AbfCOHPP (ORCPT + 99 others); Fri, 15 Mar 2019 03:15:15 -0400 Received: from mail-vs1-f65.google.com ([209.85.217.65]:36352 "EHLO mail-vs1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725778AbfCOHPO (ORCPT ); Fri, 15 Mar 2019 03:15:14 -0400 Received: by mail-vs1-f65.google.com with SMTP id j12so4809785vsd.3 for ; Fri, 15 Mar 2019 00:15:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=4ZsRcmGgX07taPTFmR8odR6bONfGDkN8f589/AZGEf4=; b=UTnWdLsJxdi072pjUPEgeiUvu2yXgce2keArrTCgRIdcgfQvktIqbXxnpn01xCmg2X M2zl5V99CrmQ3HlO/N4ckG8sZ3hm8+fwOmyJBWL7kRZRRxC8Aif6AtMp0LVuvHFzclXp 30bKPXH1sy/LyGYuKMnwZnEOHwfKOT7sUlLC5HhPVp81JDkR3UC+FV17UAd9WRWI5GDo DMiGr0w4tvDs/AvL8UZE726lDCPS/Pc72VA706nRgRcuSNDBAv5iMrqD6pn0R+0DDiP6 dHed6ZOShK6Y+iAZFiQwEkOcZUzDC7mRZxsxHnt4DN3bbdbHZ15D4DGympG8T6UqSnps vXfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=4ZsRcmGgX07taPTFmR8odR6bONfGDkN8f589/AZGEf4=; b=lesUax97AqSOvJtm0zrlsAjWZF1nQbw5bqdu9DfQ4ed1xIyNj8AkNeGe9E1ccxmkO9 hMF36vfcoWTr3wGwNBr6q5hYPgE7WOBIzBkOVvHDwVKPi0aR2bMQvtcKeSdv43tkwFVG pNiUUgeLnab7kH6KbxI01aj6pMztVjgg0raLZIXvfS94UVVXbFhIEIFMY0qCnxIawCoR R7a/j4u7aIPRWdrhTDAzxC6rz1ZOFNWSUckdp0AtY6hGPflec9ja20duJHLS2wroeAQ7 NZHJ2F08lHFDThy1qkIU5VbXMfJ6d4nfFGfKR9bdEJPz5o+fetnWCWB3Wgy6OILBjqzN M+Fw== X-Gm-Message-State: APjAAAWc5QDvfCf9JsFYvpSxnUxGCPieIVGNxKvyANdIYmFbF2oUR5Op L2WKNaIbplKlGVItgZuOOUSTIBws30qE/VWYB4tD6g== X-Received: by 2002:a67:ffc6:: with SMTP id w6mr1138465vsq.213.1552634113694; Fri, 15 Mar 2019 00:15:13 -0700 (PDT) MIME-Version: 1.0 References: <20190314130113.919278615@infradead.org> In-Reply-To: <20190314130113.919278615@infradead.org> From: Stephane Eranian Date: Fri, 15 Mar 2019 00:15:02 -0700 Message-ID: Subject: Re: [RFC][PATCH 0/8] perf/x86: event scheduling cleanups To: Peter Zijlstra Cc: Ingo Molnar , Jiri Olsa , LKML , tonyj@suse.com, nelson.dsouza@intel.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 14, 2019 at 6:11 AM Peter Zijlstra wrote: > > These here patches are the result of chasing a bug in the TSX Force Abort > patches. > > The first patch is simple and fixes the issue and should be marked /urgent and > backported. > > The rest is the result of having a hard look at how all that event scheduling > stuff worked while trying to figure out wth was going wrong. > > Stephane, since you were involved with writing much of that code, can you > please have a good look? I _think_ I got it, but... :-) > Will do today. But you did not send me PATCH 1/8 apparently.