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 2B769C678D4 for ; Tue, 7 Mar 2023 19:13:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233823AbjCGTNN (ORCPT ); Tue, 7 Mar 2023 14:13:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233654AbjCGTMm (ORCPT ); Tue, 7 Mar 2023 14:12:42 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADE59A335F for ; Tue, 7 Mar 2023 10:56:38 -0800 (PST) Received: from zn.tnic (p5de8e9fe.dip0.t-ipconnect.de [93.232.233.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 6A66D1EC03CA; Tue, 7 Mar 2023 19:56:36 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1678215396; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=dTusDOQwMDeKVBfn+2f55GHXCbTMacqdk+cRAchKMqk=; b=oyS7f891HN89lkaZANq6/IWwuoQK0P+hTrT4eXAFUDmmSFXdKrTpTqfnF7cDx+RSCm1/Zg ZKeHGuZzCVbMcjoJwqvuAeCJx+X1h3Llh67mLHrj4DEfqPMtWFMahzEki7QG95CB2Jg1Wv UXKmTQNLN03/c7fwLigYRXMQfvBzmsM= Date: Tue, 7 Mar 2023 19:56:32 +0100 From: Borislav Petkov To: Andrew Cooper Cc: LKML , Tavis Ormandy , Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Alexander Monakov Subject: Re: [PATCH] x86/amd: Work around Erratum 1386 - XSAVES malfunction on context switch Message-ID: <20230307185632.GDZAeI4LwBDUU3/OP9@fat_crate.local> References: <20230307174643.1240184-1-andrew.cooper3@citrix.com> <20230307175050.GCZAd5eu0/Mk2fdLz5@fat_crate.local> <940596cc-a440-181a-a72a-36282a26dd0a@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <940596cc-a440-181a-a72a-36282a26dd0a@citrix.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 07, 2023 at 06:22:01PM +0000, Andrew Cooper wrote: > Well yes - more and more reports of impacted systems. > > Having the full list of affected models is great and all, but how is it > going to change this patch as a workaround ? We don't have to clear the feature flag on those systems which have a fix. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette