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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2A04EB64DC for ; Fri, 14 Jul 2023 22:29:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229965AbjGNW3C (ORCPT ); Fri, 14 Jul 2023 18:29:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229437AbjGNW3A (ORCPT ); Fri, 14 Jul 2023 18:29:00 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6023A2D48 for ; Fri, 14 Jul 2023 15:28:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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=IH4aCn7uI47PWMEX6NV44WzFJn96ucP8E4Lo9lRw3Cc=; b=CHlw76PjliLPZuJwx1rhULQjRq qZJo4tsd5E24AZDxsLjElyZOAph2RffbK4yoc+NPQC3HFOiLL/tDaXH58GwP7gITIGidOC2pvUUbJ 8ooOj2Q4SHKfaVewx3FgPBkN7e6dj0NZtJfiKVylg46mFTFMrIYUsC2ovB/qgxSqu6WVvIN60D/wv p3nlSNtFG9CNQYPv8TKZhjlznYS/b3Q5eqOZ1VOHtBq6bVN8FyYljdat+Py0ob3sPqxjNwZ1p3BEl 0n0EPIMneqRKzb8sloQXVOaPxIUzWtluuHXojkrZXRSjPwwQWouhvIJZlKgBltFUeeRv8ufGBazXl L9ENsS2w==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1qKRHF-001Tij-3b; Fri, 14 Jul 2023 22:28:41 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id D6C7C30007E; Sat, 15 Jul 2023 00:28:39 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id B0555245CA115; Sat, 15 Jul 2023 00:28:39 +0200 (CEST) Date: Sat, 15 Jul 2023 00:28:39 +0200 From: Peter Zijlstra To: Arjan van de Ven Cc: "Wysocki, Rafael J" , Bruno Goncalves , x86@kernel.org, LKML Subject: Re: [6.5.0-rc1] unchecked MSR access error: RDMSR from 0xe2 at rIP: 0xffffffff87090227 (native_read_msr+0x7/0x40) (intel_idle_init_cstates_icpu) Message-ID: <20230714222839.GD3273303@hirez.programming.kicks-ass.net> References: <20230711112421.GI3062772@hirez.programming.kicks-ass.net> <20230711125557.GM3062772@hirez.programming.kicks-ass.net> <20230711132553.GN3062772@hirez.programming.kicks-ass.net> <0837a34c-f66e-aa04-d4a7-b032d3dbab7a@intel.com> <20230714211021.GB3275140@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 14, 2023 at 02:45:21PM -0700, Arjan van de Ven wrote: > On 7/14/2023 2:10 PM, Peter Zijlstra wrote: > > On Tue, Jul 11, 2023 at 08:37:51PM +0200, Wysocki, Rafael J wrote: > > > > > > Rafael, can we please just pull these patches and try again later? > > > > > > I think you mean "revert"? > > > > Yes, revert. The whole premise with the unparsable changelog that > > babbles about TLB invalidates without any performance data-so-ever > > should've been a red-flag. > > > > That whole TLB angle is nonsense. We have paravirt TLB invalidation for > > this. > > for kvm and hyperv. not for vmware etc. And for everybody that does play ball, this will be a net negative by causing extra TLB invalidations :/