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Tue, 2 Jun 2020 16:17:36 +0000 (GMT) From: =?UTF-8?q?=C5=81ukasz=20Stelmach?= To: Russell King , Masahiro Yamada , Nick Desaulniers , Thomas Gleixner , Enrico Weigelt , Kees Cook , Ingo Molnar , Ben Dooks , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: AKASHI Takahiro , Bartlomiej Zolnierkiewicz , Marek Szyprowski , =?UTF-8?q?=C5=81ukasz=20Stelmach?= Subject: [PATCH v2 0/5] kexec_file_load() for arm Date: Tue, 2 Jun 2020 18:17:26 +0200 Message-Id: <20200602161731.23033-1-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601142754.26139-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA02SfVBMYRTGvXv33r0tm+vKOJMmMzsxo6Hka64pKcPMNYMY/GOIpatSu+3c Ld+0NCMSZclHGSMfUxZLu7Vqq5HN1GpJa1lFqFlCpjTksy/t3gz/Pec9v+c558y8JEa/xv3J RFUqx6sUyXJCKjbX/Xo8o3CPK3bmQOtkpuTsLZzRGWpETMuBShHz8KiSabEWI8boduGM03Ke YKx51Yi5ef+VhGlva8aZ64MNiOnJHRIx/Xd/iRmTMQ+L8mWdLgfGFmgdYnZA/wFjLxrTWKP+ CMG2uqoItruxUcKarqSzuT1dBHu8VI/Yr8bAlaPXSSPiuOTE7RwfGrlJmvDG1SlRV8t2Vtu0 Ii2qk2YhHxKoOXDvfZ0kC0lJmipG0GDVE0LRi6CmYgATiq8IyvsKsL+WnIqmkUYRghfvukeK 9wiednUQHoqgoiHnqg33NPyobyKw5GV6gzHqKYL2u2aRhxpPhUFbbYc3V0xNgZwep9ijZVQ4 /LhdQgjzJkNm0R2v9qEioMb+RSQw4+DBubdefiwVDDcOPvdqbJjPKCvwrgTUCRKGmj7jQtBi +N7+c0SPh876UomgA8B+MnvYTA7rdDipmyd4sxGYz/8UC0w4tDb+JjwMRk2DW5ZQ4TkaKvtO 4YLVF5q7xgkr+ILOfAYTnmVw+BAt0EFgyKkaCfSHY53FKBfJ8/87Jv+/A/L/zbqIMD2ayKVp lPGcZpaK2xGiUSg1aar4kC0pSiMa/nX2wfrecmTp32xFFInkY2Qzw1yxNK7YrtmltCIgMbmf bNEjeywti1Ps2s3xKRv5tGROY0WTSLF8omz2pY8baCpekcolcZya4/92RaSPvxalXIiOyWqY evnhwtShspexfmsin/jVrm/avy+7eZPtRYAs16Zz0BWOuNkTHqkkyFFIJwXWZ/fFYM/XJu0N +uE01fKV8/El8pS5hvAxJds+BV5z0/1ZLeqBZyv4pakL1LojELTs6mM7lpi+LKMtwW0yrIqy FI4aG7Cc3zp99ekyt1ysSVCEBWO8RvEH9DnZxXEDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHIsWRmVeSWpSXmKPExsVy+t/xu7oLq6/FGbSsZLPYOGM9q8WkdQeY LG427mayONOda3Hz0ApGi02Pr7FaXN41h83i0NS9jBZrj9xlt3j44Aarxep/pxgtPkz4z2Tx Z/9PFovNm6YyO/B5XL52kdljdsNFFo+/q14weyzYVOqxaVUnm8eda3vYPN6dO8fusXlJvceE D2/ZPPq2rGL0+LxJLoA7Ss+mKL+0JFUhI7+4xFYp2tDCSM/Q0kLPyMRSz9DYPNbKyFRJ384m JTUnsyy1SN8uQS/j/rVX7AV7eSv2nmhgamA8xtXFyMkhIWAi0b/zAnMXIxeHkMBSRok9LY9Y uhg5gBJSEivnpkPUCEv8udbFBlHzlFHi9rH3rCAJNgFHif6lJ1hBEiICf5kkDs46DVbFLHCN UWLjhJPMIFXCAoYSDw4/A7NZBFQl+j9cZgGxeQWsJb5v2MgGsUJeon35djCbU8BG4sDpT0wg thBQzftp3UwQ9YISJ2c+AbuOWUBdYv08IZAwv4CWxJqm62AjmYHGNG+dzTyBUWgWko5ZCB2z kFQtYGRexSiSWlqcm55bbKRXnJhbXJqXrpecn7uJERjX24793LKDsetd8CFGAQ5GJR5eA8Nr cUKsiWXFlbmHGCU4mJVEeJ3Ono4T4k1JrKxKLcqPLyrNSS0+xGgK9OZEZinR5HxgyskriTc0 NTS3sDQ0NzY3NrNQEuftEDgYIySQnliSmp2aWpBaBNPHxMEp1cDI8+irx8xNvF7NOsebFv46 tO+hmUKPkJSByb78K0l3ynsun1krFf5qxgdR12bhJzHXYuzWPFfNelVxYGLqjJflMx4x13Ha 39ZyfJfE5HR3UZ+h0PnHcTLVOoeOPzLIffB4md4EhdUF5de9zLVm39hx0ubEC5u49kV8R/Pe yT8ylH7v+IpLNDJDiaU4I9FQi7moOBEAn1adVgEDAAA= X-CMS-MailID: 20200602161737eucas1p241dd0e0a9b5eea7c5d5774c46b3c570b X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200602161737eucas1p241dd0e0a9b5eea7c5d5774c46b3c570b X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200602161737eucas1p241dd0e0a9b5eea7c5d5774c46b3c570b References: <20200601142754.26139-1-l.stelmach@samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following series of patches provides implementation of the kexec_file_load() system call form the arm architecture. zImage and uImage (legacy format) files are supported. Like on arm64, there is no possibility of loading a new DTB and the currently loaded is reused. Changes in v2: - add CONFIG_KEXEC_FILE_UIMAGE for optional uImage support - MALLOC_SIZE as a define instead of a symbol - DCSZ tag holds combined dynamic memory requirements (bss+stack+malloc) - use union for a single tag structure - copyright notice includes Russell King Łukasz Stelmach (5): arm: decompressor: set malloc pool size for the decompressor arm: add image header definitions arm: decompressor: define a new zImage tag arm: Add kexec_image_info arm: kexec_file: load zImage or uImage, initrd and dtb arch/arm/Kconfig | 25 +++ arch/arm/boot/compressed/Makefile | 7 +- arch/arm/boot/compressed/head.S | 9 +- arch/arm/boot/compressed/vmlinux.lds.S | 22 +-- arch/arm/include/asm/image.h | 77 +++++++++ arch/arm/include/asm/kexec.h | 14 ++ arch/arm/kernel/Makefile | 5 +- arch/arm/kernel/kexec_uimage.c | 80 ++++++++++ arch/arm/kernel/kexec_zimage.c | 194 +++++++++++++++++++++++ arch/arm/kernel/machine_kexec.c | 39 ++++- arch/arm/kernel/machine_kexec_file.c | 211 +++++++++++++++++++++++++ 11 files changed, 662 insertions(+), 21 deletions(-) create mode 100644 arch/arm/include/asm/image.h create mode 100644 arch/arm/kernel/kexec_uimage.c create mode 100644 arch/arm/kernel/kexec_zimage.c create mode 100644 arch/arm/kernel/machine_kexec_file.c -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4DEE8C433E2 for ; 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Tue, 2 Jun 2020 16:17:36 +0000 (GMT) From: =?UTF-8?q?=C5=81ukasz=20Stelmach?= To: Russell King , Masahiro Yamada , Nick Desaulniers , Thomas Gleixner , Enrico Weigelt , Kees Cook , Ingo Molnar , Ben Dooks , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/5] kexec_file_load() for arm Date: Tue, 2 Jun 2020 18:17:26 +0200 Message-Id: <20200602161731.23033-1-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601142754.26139-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA02SfVBMYRTGvXv33r0tm+vKOJMmMzsxo6Hka64pKcPMNYMY/GOIpatSu+3c Ld+0NCMSZclHGSMfUxZLu7Vqq5HN1GpJa1lFqFlCpjTksy/t3gz/Pec9v+c558y8JEa/xv3J RFUqx6sUyXJCKjbX/Xo8o3CPK3bmQOtkpuTsLZzRGWpETMuBShHz8KiSabEWI8boduGM03Ke YKx51Yi5ef+VhGlva8aZ64MNiOnJHRIx/Xd/iRmTMQ+L8mWdLgfGFmgdYnZA/wFjLxrTWKP+ CMG2uqoItruxUcKarqSzuT1dBHu8VI/Yr8bAlaPXSSPiuOTE7RwfGrlJmvDG1SlRV8t2Vtu0 Ii2qk2YhHxKoOXDvfZ0kC0lJmipG0GDVE0LRi6CmYgATiq8IyvsKsL+WnIqmkUYRghfvukeK 9wiednUQHoqgoiHnqg33NPyobyKw5GV6gzHqKYL2u2aRhxpPhUFbbYc3V0xNgZwep9ijZVQ4 /LhdQgjzJkNm0R2v9qEioMb+RSQw4+DBubdefiwVDDcOPvdqbJjPKCvwrgTUCRKGmj7jQtBi +N7+c0SPh876UomgA8B+MnvYTA7rdDipmyd4sxGYz/8UC0w4tDb+JjwMRk2DW5ZQ4TkaKvtO 4YLVF5q7xgkr+ILOfAYTnmVw+BAt0EFgyKkaCfSHY53FKBfJ8/87Jv+/A/L/zbqIMD2ayKVp lPGcZpaK2xGiUSg1aar4kC0pSiMa/nX2wfrecmTp32xFFInkY2Qzw1yxNK7YrtmltCIgMbmf bNEjeywti1Ps2s3xKRv5tGROY0WTSLF8omz2pY8baCpekcolcZya4/92RaSPvxalXIiOyWqY evnhwtShspexfmsin/jVrm/avy+7eZPtRYAs16Zz0BWOuNkTHqkkyFFIJwXWZ/fFYM/XJu0N +uE01fKV8/El8pS5hvAxJds+BV5z0/1ZLeqBZyv4pakL1LojELTs6mM7lpi+LKMtwW0yrIqy FI4aG7Cc3zp99ekyt1ysSVCEBWO8RvEH9DnZxXEDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHIsWRmVeSWpSXmKPExsVy+t/xu7oLq6/FGbSsZLPYOGM9q8WkdQeY LG427mayONOda3Hz0ApGi02Pr7FaXN41h83i0NS9jBZrj9xlt3j44Aarxep/pxgtPkz4z2Tx Z/9PFovNm6YyO/B5XL52kdljdsNFFo+/q14weyzYVOqxaVUnm8eda3vYPN6dO8fusXlJvceE D2/ZPPq2rGL0+LxJLoA7Ss+mKL+0JFUhI7+4xFYp2tDCSM/Q0kLPyMRSz9DYPNbKyFRJ384m JTUnsyy1SN8uQS/j/rVX7AV7eSv2nmhgamA8xtXFyMkhIWAi0b/zAnMXIxeHkMBSRok9LY9Y uhg5gBJSEivnpkPUCEv8udbFBlHzlFHi9rH3rCAJNgFHif6lJ1hBEiICf5kkDs46DVbFLHCN UWLjhJPMIFXCAoYSDw4/A7NZBFQl+j9cZgGxeQWsJb5v2MgGsUJeon35djCbU8BG4sDpT0wg thBQzftp3UwQ9YISJ2c+AbuOWUBdYv08IZAwv4CWxJqm62AjmYHGNG+dzTyBUWgWko5ZCB2z kFQtYGRexSiSWlqcm55bbKRXnJhbXJqXrpecn7uJERjX24793LKDsetd8CFGAQ5GJR5eA8Nr cUKsiWXFlbmHGCU4mJVEeJ3Ono4T4k1JrKxKLcqPLyrNSS0+xGgK9OZEZinR5HxgyskriTc0 NTS3sDQ0NzY3NrNQEuftEDgYIySQnliSmp2aWpBaBNPHxMEp1cDI8+irx8xNvF7NOsebFv46 tO+hmUKPkJSByb78K0l3ynsun1krFf5qxgdR12bhJzHXYuzWPFfNelVxYGLqjJflMx4x13Ha 39ZyfJfE5HR3UZ+h0PnHcTLVOoeOPzLIffB4md4EhdUF5de9zLVm39hx0ubEC5u49kV8R/Pe yT8ylH7v+IpLNDJDiaU4I9FQi7moOBEAn1adVgEDAAA= X-CMS-MailID: 20200602161737eucas1p241dd0e0a9b5eea7c5d5774c46b3c570b X-Msg-Generator: CA X-RootMTR: 20200602161737eucas1p241dd0e0a9b5eea7c5d5774c46b3c570b X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200602161737eucas1p241dd0e0a9b5eea7c5d5774c46b3c570b References: <20200601142754.26139-1-l.stelmach@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200602_091741_740201_0A87DBF9 X-CRM114-Status: GOOD ( 12.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: AKASHI Takahiro , Marek Szyprowski , =?UTF-8?q?=C5=81ukasz=20Stelmach?= , Bartlomiej Zolnierkiewicz Content-Type: text/plain; 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