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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 97C57C43331 for ; Thu, 2 Apr 2020 14:32:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6077C20757 for ; Thu, 2 Apr 2020 14:32:24 +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="EN+phhAx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388372AbgDBOcX (ORCPT ); Thu, 2 Apr 2020 10:32:23 -0400 Received: from merlin.infradead.org ([205.233.59.134]:52072 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388260AbgDBOcX (ORCPT ); Thu, 2 Apr 2020 10:32:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.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; bh=rNA/ZKP+zwR7ZAV/3D8mTRew1XZVl++cypDGaRhgstA=; b=EN+phhAxCqTXo0CSpOlH2mbR6L dHXMISMAeJD0ens5KmWa+N7WqGJNlLEbo5Gd9GTYirFiRd5n+OAir61cH8G/L2KdbOCX9cyR+d+DW rxGf0A7cPVQcrVda+d58a/xBrIGELNy6AQ1u51AUhFZDuOfNsB41tT0VrpmKW118GNPL5ii8JVeCP 6bdIh/+q3KZDltu6b/0HiegpiR8vu5cEYIlM2L1lwd5RkV1pzveeoSFZA5lu5CcXKwSTJNZ2Igezk YgF9rjFav4f6bRTxmQU58bwe9YW4QfRnoQm/NOpMlOnEdHiZgBZEryvkAYKW1ROq4R9H3CRP3yd5x gT+baGYA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jK0t3-0003LJ-6S; Thu, 02 Apr 2020 14:32:05 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id B8E363056DE; Thu, 2 Apr 2020 16:32:03 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 690C92B0D920E; Thu, 2 Apr 2020 16:32:03 +0200 (CEST) Date: Thu, 2 Apr 2020 16:32:03 +0200 From: Peter Zijlstra To: "Kenneth R. Crudup" Cc: Thomas Gleixner , LKML , x86@kernel.org, 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 Message-ID: <20200402143203.GJ20713@hirez.programming.kicks-ass.net> References: <20200402123258.895628824@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 02, 2020 at 06:43:19AM -0700, Kenneth R. Crudup wrote: > > 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? Hmm, you're not seeing this: + pr_warn("disabled due to VMLAUNCH in module: %s\n", me->name); fire when you load the vmware kernel module? Could you slip me a copy of that thing by private mail?