Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935518AbeAHRGd (ORCPT + 1 other); Mon, 8 Jan 2018 12:06:33 -0500 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:38938 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933247AbeAHRGY (ORCPT ); Mon, 8 Jan 2018 12:06:24 -0500 Date: Mon, 8 Jan 2018 18:06:16 +0100 From: Willy Tarreau To: Dave Hansen Cc: linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de, gnomes@lxorguk.ukuu.org.uk, torvalds@linux-foundation.org, Andy Lutomirski Subject: Re: [PATCH RFC 0/4] Per-task PTI activation Message-ID: <20180108170616.GE10913@1wt.eu> References: <1515427939-10999-1-git-send-email-w@1wt.eu> <2363e178-5237-faca-264f-757cf7f40d3c@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2363e178-5237-faca-264f-757cf7f40d3c@intel.com> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On Mon, Jan 08, 2018 at 08:59:54AM -0800, Dave Hansen wrote: > On 01/08/2018 08:12 AM, Willy Tarreau wrote: > > I could experiment a bit with the possibility to enable/disable PTI per > > task. Please keep in mind that it's not my area of experitise at all, but > > doing so I could recover the initial performance without disabling PTI on > > the whole system. > > This cc list is way too small. Please at *least* include me and Andy on > this kind of stuff. You're welcome Dave. In fact you were the two I initially copied from another thread and seeing the huge amount of CCs I preferred to stick to recent discussions and cc x86 thinking all people involved were there. Feel free to suggest a wider list. Maybe all the CCs of the latest PTI patch ? Thanks, Willy