From patchwork Wed Mar 22 14:26:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ard Biesheuvel X-Patchwork-Id: 666365 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 9AE1DC6FD1F for ; Wed, 22 Mar 2023 14:26:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231228AbjCVO0d (ORCPT ); Wed, 22 Mar 2023 10:26:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230513AbjCVO0c (ORCPT ); Wed, 22 Mar 2023 10:26:32 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C2BC570BA for ; Wed, 22 Mar 2023 07:26:30 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 080DA6214F for ; Wed, 22 Mar 2023 14:26:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B9B5C433D2; Wed, 22 Mar 2023 14:26:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679495189; bh=ymyXouWT3/6fPAcOTkrCJcp889sI+sQsjqVxzTca/1w=; h=From:To:Cc:Subject:Date:From; b=BTGIFpXGi9o8D4MLPHrnZiEJQwJbQgsyBCq4VwUokdmW0GM8ZgKN9eJFOVqmmbEtB W2b0cJGHf2UMZmYhjfEJexqvRiti5NHfNupNtEd85t1rHvNHIw6mpEVRKVNvzu38QD ykPY3ibUUk97uh3TpAx7AzvczzOFz5WFFBTitRMJHWCSJZE4hpEaLKdTQ2fFBb3Yra sczppN+h5VVRcIRtF4OYOT3kMhZ1MnNAtfHviTFHrShu9O/zFmEq/JgkyXVk2oAZ/Y OT0/Kr3nYsUEWAa0Xw/+12zb9Bd/Zpolg8ulQ9tZHY6nrEQ7dzTZsMp+tneL7Wi5Hv OO3Q38OSV94og== From: Ard Biesheuvel To: linux-efi@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Ard Biesheuvel , Darren Hart , Andrea Righi Subject: [PATCH 0/3] arm64: efi: Use SMBIOS type 4 record for Altra quirk Date: Wed, 22 Mar 2023 15:26:18 +0100 Message-Id: <20230322142621.3685058-1-ardb@kernel.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=888; i=ardb@kernel.org; h=from:subject; bh=ymyXouWT3/6fPAcOTkrCJcp889sI+sQsjqVxzTca/1w=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIUVagFOS62TKTfdV0zkVGyysdUpj7y3Y/WvRmz2vD076e VS3c5dwRykLgxgHg6yYIovA7L/vdp6eKFXrPEsWZg4rE8gQBi5OAZiIwF6G/wFLNQpeV2wrvKrQ vaL80M4rX9n36LzMvjYl2Pr84fvB7hcZGfb3uqwJuvBXb02rIHORm8yqjApbMSGvLOE3MvFM6Y2 v+AA= X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org We currently use the SMBIOS type 1 'family' string to identify Ampere machines that require a EFI workaround, but this is not broad enough, as OEMs often put arbitrary names in that field (such as 'Server') So instead, let's use the SMBIOS type 4 records that describe the actual CPU rather than the system. Cc: Darren Hart Cc: Andrea Righi Ard Biesheuvel (3): efi/libstub: smbios: Use length member instead of record struct size arm64: efi: Use SMBIOS processor version to key off Ampere quirk efi/libstub: smbios: Drop unused 'recsize' parameter drivers/firmware/efi/libstub/arm64.c | 39 ++++++++++++++---- drivers/firmware/efi/libstub/efistub.h | 42 ++++++++++++++++++-- drivers/firmware/efi/libstub/smbios.c | 15 +++++-- 3 files changed, 81 insertions(+), 15 deletions(-)