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[2620:137:e000::1:20]) by mx.google.com with ESMTP id h8-20020a056402280800b0045927324653si21588891ede.6.2022.10.20.05.57.01; Thu, 20 Oct 2022 05:57:26 -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=@ispras.ru header.s=default header.b=plTmaq2e; 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=ispras.ru Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229862AbiJTMK4 (ORCPT + 99 others); Thu, 20 Oct 2022 08:10:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229874AbiJTMKu (ORCPT ); Thu, 20 Oct 2022 08:10:50 -0400 Received: from mail.ispras.ru (mail.ispras.ru [83.149.199.84]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58CAC114DF5; Thu, 20 Oct 2022 05:10:47 -0700 (PDT) Received: from mail.ispras.ru (unknown [83.149.199.84]) by mail.ispras.ru (Postfix) with ESMTPSA id 9E21C419E9CC; Thu, 20 Oct 2022 12:10:45 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.ispras.ru 9E21C419E9CC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ispras.ru; s=default; t=1666267845; bh=qeYD9cbarvWNZmLV47q82H3noKNX8HJcybkzKWDNm5k=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=plTmaq2eJY8V20R9/dtzGjcnBpOp78CU/1JPlKFv4UDm8EX7JMA5Kjg/MOh8uoO10 m7iYJgsdkSo9jzTx8+I7wq1Zk/9lEvMq8ZT5hsBywxnDRrpY9drHm3i3yXkzz8hAQS biHiGqAKVq8xjItOrIMg+KZcFCaWPquPR65hA5pQ= MIME-Version: 1.0 Date: Thu, 20 Oct 2022 15:10:45 +0300 From: Evgeniy Baskov To: Ard Biesheuvel Cc: Borislav Petkov , Andy Lutomirski , Dave Hansen , Ingo Molnar , Peter Zijlstra , Thomas Gleixner , Alexey Khoroshilov , lvc-project@linuxtesting.org, x86@kernel.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH 10/16] x86/boot: Make console interface more abstract In-Reply-To: References: <7a4b8d6827503ae0e30745014504c72f0c5d6316.1662459668.git.baskov@ispras.ru> User-Agent: Roundcube Webmail/1.4.4 Message-ID: <3397e4295c9a1d5ffcd311027dd3b933@ispras.ru> X-Sender: baskov@ispras.ru Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit 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, 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 2022-10-19 10:23, Ard Biesheuvel wrote: > On Tue, 6 Sept 2022 at 12:42, Evgeniy Baskov wrote: >> >> To be able to extract kernel from EFI, console output functions >> need to be replaceable by alternative implementations. >> >> Make all of those functions pointers. >> Move serial console code to separate file. >> > > What does kernel_add_identity_map() have to do with the above? Should > that be a separate patch? It used to be dependent, but no longer is. I'll split making kernel_add_identity_map() a function pointer out into separate patch. > >> Signed-off-by: Evgeniy Baskov >> --- >> arch/x86/boot/compressed/Makefile | 2 +- >> arch/x86/boot/compressed/ident_map_64.c | 15 ++- >> arch/x86/boot/compressed/misc.c | 109 +-------------------- >> arch/x86/boot/compressed/misc.h | 13 ++- >> arch/x86/boot/compressed/putstr.c | 124 >> ++++++++++++++++++++++++ >> 5 files changed, 146 insertions(+), 117 deletions(-) >> create mode 100644 arch/x86/boot/compressed/putstr.c ...