Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp10886849rwd; Thu, 22 Jun 2023 06:14:47 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4gYUmJaRjDohrOZ1TTjIgtcjDPI24K0SjvFQUt/NhpdRCyufRImaDKbN7ybtD/doPFcfDi X-Received: by 2002:a17:902:d38d:b0:1b0:6c10:6836 with SMTP id e13-20020a170902d38d00b001b06c106836mr11772033pld.33.1687439686990; Thu, 22 Jun 2023 06:14:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1687439686; cv=none; d=google.com; s=arc-20160816; b=ejqYBJA+hGzrlLLRQ02eJUi6a8lA5YFKR3Y105Al5knQYZTepmw5sdtoe0Bl1wqZQG nfoJEdKX/wxGD5vchDvzHJBP1WLSSjGWmxHGZ4tUMJqBoHACDqTE/G8E3CB+QOP0DGWU bIqAjx40iBIutyoEFTwe05td2OSp2oQZcxr0UeM3At6RdydCiOewX0Nz0jenCneC99U2 ZVyR/sayHU1QTIDOqOvx3XUFWrEORoQBa/Hq25ZpfsRyN85LBusDPbDrdkjtMrfPWNQ4 EgXpHff5jfJ3l5iA3Ie3WS27gjSZPot5VgN6/+wvBNHeRuINoxciZcb0BSr0bJgbQakj dEPA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature :dkim-signature; bh=ckL+0W8wwqe6hcLw5YdMaba45+dh8m6sZiMEuqZIYLU=; b=hA4EhLnfTLEpGC01xTcKjppgRh8HEasyTCkgjiSRMasx1u0FMdgxvP3ha9ySbMdd7a peoq1VJu4Kdq+n9MvXPHSVo3uRNiPhgaN9S110ocdqNQmDSRPUUJSnS2sDwBzPMaLJVf vVHhVlAX9k9KP8xLzf3SX7T9vv/G8QZ5f2FBxJJmozLSSwjE0cDaoNjYM9aiZDjpSYx0 trXDMdea+HTqnGx2pbZ2xnucBdvVX6TqzLE/yFP5k7BhLa6/iqM9zWPg2QYozf7XfwNT lMuJAaxX2sTZ0nuNwW7vgO5JbZla6V4Lgu4EyzhdzU1WW2YO3OnTRaVnl6aU/up6Eijq NwTg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=gRDNcxNd; dkim=pass header.i=@alien8.de header.s=alien8 header.b=Xue+gHR1; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id jo10-20020a170903054a00b001b3414a3346si6094120plb.441.2023.06.22.06.14.34; Thu, 22 Jun 2023 06:14:46 -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=@alien8.de header.s=dkim header.b=gRDNcxNd; dkim=pass header.i=@alien8.de header.s=alien8 header.b=Xue+gHR1; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231180AbjFVMnI (ORCPT + 99 others); Thu, 22 Jun 2023 08:43:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229806AbjFVMnH (ORCPT ); Thu, 22 Jun 2023 08:43:07 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25267DE for ; Thu, 22 Jun 2023 05:43:02 -0700 (PDT) Received: from mail.alien8.de (mail.alien8.de [IPv6:2a01:4f9:3051:3f93::2]) (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 427581EC034D; Thu, 22 Jun 2023 14:42:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1687437775; 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=ckL+0W8wwqe6hcLw5YdMaba45+dh8m6sZiMEuqZIYLU=; b=gRDNcxNdXvjh6yYaYGTmVMEzJ/Ut54uYeYRYibrpFUoi4E98Nd6ouPyE3Vd7XNvRmWk6Be T8iePPn+hQGw3gmj1JmHvmG9q8mroxhD2anQWiWN8TQ9/Kqa3uLJh9D4uCdr3kRKNlM0oF XEt6qFLiUB0LCC5dFw/z5zmE1c28F+U= X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id obzi4Wo7Boeg; Thu, 22 Jun 2023 12:42:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1687437771; bh=ckL+0W8wwqe6hcLw5YdMaba45+dh8m6sZiMEuqZIYLU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Xue+gHR1QPJ2wYg8jr7xR9okfC58hkbn2tvo39jjOyepO6nWT5xkM8C86a7JslksA fWrxd1j5BYwfQCq5/ltiyUPwz7wUmOuvwdac+ZBk7Pq/Z7QB5LFgkAJNwhEf46HJot GsEuAAimTdl59U1lS2VCiaRpFp8E6Zoa6+LSf2UzUIKhmxZyXvLc2QZAl1XhmvGBzP pJ2OZLzXJpVPogfAKdwN5UgEJky41c8Un6/sneDHV2WYsV2m7caZeF56oalkxmGEeV 0IWCcePJOmsiBOj1E7JP6plqIYp9iUeuItxtxLM93NSfEGIWU98/SLJ3qDEWi0NwqO Vfh3hjA5pErizMMxfDFe6cLi7bgxJVVbXXERZGAAlfu5bBH5BkfPVuE1/RW/+za32u mHJnJgLXbKsL1A4LHrl+NURkJdiBNzUepDg7xlEeZ0UEemMkXX//76savi+x5wYDBf dHrJHhAXN4OGrcyxoaR1wcJGRzX3Uo9t0RfB715mhD5dCxg/p16oXRIvcMrvnCsKWq NHiHV2M2OhXcUiW/JQX/Bqx/DDQCONrF3X91uBPi3dMAFMtL7T1SbidQtd8crV3gUZ 0FKJmzeGfW2AwRabaBIjiNDLtVTqmPri1wx/aMhKOhhbcBiih3o89wnX97HaMcYkUl 5+8spfUJdRy48jmVfhxnAB1E= Received: from zn.tnic (p200300eA971dC57f329C23FFfEa6A903.dip0.t-ipconnect.de [IPv6:2003:ea:971d:c57f:329c:23ff:fea6:a903]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 9ED5B40E0145; Thu, 22 Jun 2023 12:42:39 +0000 (UTC) Date: Thu, 22 Jun 2023 14:42:38 +0200 From: Borislav Petkov To: Dave Hansen Cc: Breno Leitao , Pawan Gupta , Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra , Josh Poimboeuf , leit@fb.com, "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" Subject: Re: [PATCH v2] x86/bugs: Break down mitigations configurations Message-ID: <20230622124238.GAZJRBvrJdWloWzy0D@fat_crate.local> References: <20230616164851.2559415-1-leitao@debian.org> <20230621001327.qdyebewnx7r5aiy3@desk> <20230621173135.wiprtgzslhw5z5or@desk> <20230621194101.bmwesljror2yqjxx@desk> <0c908258-2b03-ebb3-bc7d-af5ea66479d4@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <0c908258-2b03-ebb3-bc7d-af5ea66479d4@intel.com> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE 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 Wed, Jun 21, 2023 at 03:58:10PM -0700, Dave Hansen wrote: > Do you like the direction this is going? Maybe I'm missing something. Yeah, see f43b9876e857 ("x86/retbleed: Add fine grained Kconfig knobs") AFAIR, Linus wanted those this way so the only logical next step is to add the Kconfig knobs for the missing ones... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette