Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp1780531ybb; Thu, 2 Apr 2020 07:16:00 -0700 (PDT) X-Google-Smtp-Source: APiQypJFDRlimdpbAXJ1yApDtVt3O29LaNY7TAlC7gdxz1pl+lbgdVGe3X/F4cjUqLlOFE+wboJ4 X-Received: by 2002:aca:b308:: with SMTP id c8mr2282583oif.106.1585836959937; Thu, 02 Apr 2020 07:15:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585836959; cv=none; d=google.com; s=arc-20160816; b=cbSN/8VR8Sx7CgJUoLN5lP6TiIpCOZgqHxhnPqhdolGpqr0G6J5S2v/Ewn8bnpc7l5 bZm263rSLIqL/lfzDnLQ1Lx/SgYE35/56rpLbMl47u3BWGVDMn8qEJamh8eRvyTds2TI q5rrF4zg8eIcjCjRCcwckPVHzxQtwJ7R5ipDnUeK+uyTde/O5ifdhi2hIFnFhjip/MHz e+y4WW8Q3rw7Me2BYyhOEtD+oFKeio0t8gulMRJBF2w4kVZs8VdvXTq7wGaiBDRs5WNM tnRlpoVpsV+spEFxsJqOmJdppiNFAdyDW2WkEjxWsNR/NkCqTRHruawA7PQfspiG+our 7s3w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:reply-to:from:date; bh=Frs0Vw1AkiyPkxm41ysUq5hxaOvrvUwT2em1E3KSt7c=; b=JdQAfjKZXBEZn9ZdYm46JGaYMkE72zS7TLZVwoPq9DixDHx8zYnGqxG8jyGGzOVgxc qNpz2+Wh34PuPtY+o7UiuIyB2gJF2Q4WNy4S+1BSue5Qd8fCcvKGbaYr/iL8uqvjfn1w gU5iC9GDTucLwv5lcsi2molJRAK/4Mli3HoLl5RTJJCgWlT5m0lVNW25/DxIE3/Cp/aM 8jUB1iwLHPS+hlCXL+rVIhb+T+iksi1A6Mjz21nt6NSL0K8I7y2S+u92IaCsIgUBpVbj vAlM14mSPTu8qxLKPiDyy0KqlhCUT3Ucfe5dClo9HAhYVbvYtIEUMS8ipmdkIXCI0SIB LguQ== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a190si2414478oib.146.2020.04.02.07.15.46; Thu, 02 Apr 2020 07:15:59 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388507AbgDBOBs (ORCPT + 99 others); Thu, 2 Apr 2020 10:01:48 -0400 Received: from l2mail1.panix.com ([166.84.1.75]:64870 "EHLO l2mail1.panix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbgDBOBr (ORCPT ); Thu, 2 Apr 2020 10:01:47 -0400 X-Greylist: delayed 1105 seconds by postgrey-1.27 at vger.kernel.org; Thu, 02 Apr 2020 10:01:47 EDT Received: from mailbackend.panix.com (mailbackend.panix.com [166.84.1.89]) by l2mail1.panix.com (Postfix) with ESMTPS id 48tPQz2JSzzDS3 for ; Thu, 2 Apr 2020 09:43:23 -0400 (EDT) Received: from xps-7390 (c-73-241-154-233.hsd1.ca.comcast.net [73.241.154.233]) by mailbackend.panix.com (Postfix) with ESMTPSA id 48tPQw5R8rz1P23; Thu, 2 Apr 2020 09:43:20 -0400 (EDT) Date: Thu, 2 Apr 2020 06:43:19 -0700 (PDT) From: "Kenneth R. Crudup" Reply-To: "Kenneth R. Crudup" To: Thomas Gleixner cc: LKML , x86@kernel.org, "Peter Zijlstra (Intel)" , Paolo Bonzini , Jessica Yu , Fenghua Yu , Xiaoyao Li , Nadav Amit , Thomas Hellstrom , Sean Christopherson , Tony Luck , Steven Rostedt Subject: Re: [patch 0/2] x86: Prevent Split-Lock-Detection wreckage on VMX hypervisors In-Reply-To: <20200402123258.895628824@linutronix.de> Message-ID: References: <20200402123258.895628824@linutronix.de> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2 Apr 2020, Thomas Gleixner wrote: > As Peter and myself don't have access to a SLD enabled machine, the > KVM/VMX part is untested. The module scan part works. I just applied both of these patches to my (Linus' tip) tree, and unfortunately VMWare still hangs if split_lock_detect= is set to anything but "off". Was there anything else I'd needed to do? -Kenny -- Kenneth R. Crudup Sr. SW Engineer, Scott County Consulting, Silicon Valley