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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ox26-20020a170907101a00b0098862882ee9si9156739ejb.308.2023.07.14.15.08.34; Fri, 14 Jul 2023 15:08:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=desiato.20200630 header.b=D00WUEnt; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229737AbjGNVzx (ORCPT + 99 others); Fri, 14 Jul 2023 17:55:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229611AbjGNVzw (ORCPT ); Fri, 14 Jul 2023 17:55:52 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9792E1720 for ; Fri, 14 Jul 2023 14:55:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=vQdHO54UuV3gCY8gwM/eYu482AppwF9ozeR3rwBl9bY=; b=D00WUEntYpgCbirR9xDyK9AZyR 4+Lpv/UJsBWtGkKn3l7XPh4prokk0KsmyvUNiGxcfoxwiKMCHQthdrgBjEjxWCBU/vUO5Beh46Dyr DbFiTYXUYwBENM/MKIURLAjxdTTl/8a98Qsc7JTLRn7Urm+jqFJFHnXEbPpT49GVS6aiZzvbU4/Lg mtgxusJxon3R8jE4aZRkHi4m+GNm5BAr2vQX8IeuaV/QeuLIv+mIu4/+XyAbMHmaL+v1Lw1a5CjS4 QJlQDO7VCSGPjuo30DY823+NP5wZAGTf5ztfQwRn+FP8XfsbAe+4aZecpo4NqRmRFOpgiy85Z3ilK B1OG4hCg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qKQlI-006OX1-1j; Fri, 14 Jul 2023 21:55:41 +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) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 5103F3001E7; Fri, 14 Jul 2023 23:55:39 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 3B31621372899; Fri, 14 Jul 2023 23:55:39 +0200 (CEST) Date: Fri, 14 Jul 2023 23:55:39 +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: <20230714215539.GB3273303@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: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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: > for kvm and hyperv. not for vmware etc. There's no etc. VMware is the only one not having it. Xen, KVM, HyperV all have it. Then the right solution is to have them implement it. And again, even IF this was a sane thing to do, it would not be in intel_idle. The other solution is to no use VMware.