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 D6F8BC2D0F3 for ; Thu, 2 Apr 2020 14:46:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A2B78206F5 for ; Thu, 2 Apr 2020 14:46:31 +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="eHVvXef8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388664AbgDBOqa (ORCPT ); Thu, 2 Apr 2020 10:46:30 -0400 Received: from merlin.infradead.org ([205.233.59.134]:53426 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388516AbgDBOqa (ORCPT ); Thu, 2 Apr 2020 10:46:30 -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=FD6RE/EUN36dlCHL75oNHHohhJhXaMYfinWxOVbw1CY=; b=eHVvXef8PjKYyExPlFfxyoyNjF hwvfsn3JI9j8p4suyKUdfY/5O77Kb3NbGnxt709tlyIJ9iR4vB5iiK8LOveTk5NWLxYpMmjJFc2go onrReXMC4xjtYntlNqA3FRskIO9oQZpx/zrnmyxrd/a5sSdl4r/aYAjM0rYz/c9wh8KFkvuVlVO03 4+b9x163MxRLQ3JdLiQyZX9eOgaBoR85baqXVnoGCgO0YEu0rxL0gj0ba/RY2qaoHr26c4/yjlq32 +ubLrUcFqIVI0fCOQ7HPCAJWtFuoLTFayZmk5t3NL6r4efR3U+2yN6qjxRRN1X2U6XKyrt0+pEUjP zLy0pTCA==; 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 1jK16q-0003jx-4L; Thu, 02 Apr 2020 14:46:20 +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 8C4473056DE; Thu, 2 Apr 2020 16:46:18 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 6C5D72B0D9C8F; Thu, 2 Apr 2020 16:46:18 +0200 (CEST) Date: Thu, 2 Apr 2020 16:46:18 +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: <20200402144618.GC20730@hirez.programming.kicks-ass.net> References: <20200402123258.895628824@linutronix.de> <20200402143203.GJ20713@hirez.programming.kicks-ass.net> 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 07:41:41AM -0700, Kenneth R. Crudup wrote: > > On Thu, 2 Apr 2020, Peter Zijlstra wrote: > > > 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? > > I just looked back at the syslog's copy of the kernel messages at the time > I'd tried it, and no, I don't see that message. Dang! > > Could you slip me a copy of that thing by private mail? > > OK, gimme a couple of days though, I've gotta get a little work done. > (Also, what "thing" exactly did you want?) All the .ko files that come with vmware. I want to dig through them to see why the VMLAUNCH detection thing isn't working.