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[2620:137:e000::1:20]) by mx.google.com with ESMTP id bt19-20020a632913000000b00528cea36032si11665442pgb.10.2023.05.30.08.38.10; Tue, 30 May 2023 08:38:24 -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=temperror (no key for signature) header.i=@alien8.de header.s=dkim header.b=mRke7Bdn; 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=fail (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231660AbjE3P2i (ORCPT + 99 others); Tue, 30 May 2023 11:28:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230063AbjE3P2h (ORCPT ); Tue, 30 May 2023 11:28:37 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50FBDC5; Tue, 30 May 2023 08:28:32 -0700 (PDT) Received: from zn.tnic (pd9530d32.dip0.t-ipconnect.de [217.83.13.50]) (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 17E8F1EC0411; Tue, 30 May 2023 17:28:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1685460510; 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=7wMkihUDACMyxG5NoWweKMDlr/7la1a8uhQ7N10j4Jg=; b=mRke7Bdnd6HC68Ll3Z22g/XU5cqrYW9/4I7rc9xVly+dj2IbILa2Ojd4dlSH6Zmjq1e4U2 rGgnl547wL6ZH1lBB62dbox0EFY8N1L6Wos2avbZxDKD28UgfJetes2/b3kFH8PkvJev6U D8v8dNzkW0mu3Ye1MfrTXEUa4/CHPgE= Date: Tue, 30 May 2023 17:28:25 +0200 From: Borislav Petkov To: Juergen Gross Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-hyperv@vger.kernel.org, linux-doc@vger.kernel.org, mikelley@microsoft.com, Thomas Gleixner , Ingo Molnar , Dave Hansen , "H. Peter Anvin" , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Boris Ostrovsky , xen-devel@lists.xenproject.org, Jonathan Corbet , Andy Lutomirski , Peter Zijlstra Subject: Re: [PATCH v6 00/16] x86/mtrr: fix handling with PAT but without MTRR Message-ID: <20230530152825.GAZHYWGXAp8PHgN/w0@fat_crate.local> References: <20230502120931.20719-1-jgross@suse.com> <20230509201437.GFZFqprc6otRejDPUt@fat_crate.local> <20230509233641.GGZFrZCTDH7VwUMp5R@fat_crate.local> <20230510133024.GBZFuccC1FxIZNKL+8@fat_crate.local> <4c47a11c-0565-678d-3467-e01c5ec16600@suse.com> <20230511163208.GDZF0YiOfxQhSo4RDm@fat_crate.local> <0cd3899b-cf3b-61c1-14ae-60b6b49d14ab@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <0cd3899b-cf3b-61c1-14ae-60b6b49d14ab@suse.com> X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no 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 Mon, May 22, 2023 at 04:17:50PM +0200, Juergen Gross wrote: > The attached diff is for patch 13. Merged and pushed out into same branch. Next issue. Diffing /proc/mtrr shows: --- proc-mtrr.6.3 2023-05-30 17:00:13.215999483 +0200 +++ proc-mtrr.after 2023-05-30 16:01:38.281997816 +0200 @@ -1,8 +1,8 @@ reg00: base=0x000000000 ( 0MB), size= 2048MB, count=1: write-back -reg01: base=0x080000000 ( 2048MB), size= 512MB, count=1: write-back +reg01: base=0x080000000 ( 2048MB), size= 1024MB, count=1: write-back reg02: base=0x0a0000000 ( 2560MB), size= 256MB, count=1: write-back reg03: base=0x0ae000000 ( 2784MB), size= 32MB, count=1: uncachable -reg04: base=0x100000000 ( 4096MB), size= 4096MB, count=1: write-back +reg04: base=0x100000000 ( 4096MB), size= 256MB, count=1: write-back reg05: base=0x200000000 ( 8192MB), size= 8192MB, count=1: write-back reg06: base=0x400000000 (16384MB), size= 1024MB, count=1: write-back reg07: base=0x440000000 (17408MB), size= 256MB, count=1: write-back -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette