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Mon, 1 Jun 2020 15:28:07 +0100 (BST) Received: from eusmtrp2.samsung.com (unknown [182.198.249.139]) by eucas1p2.samsung.com (KnoxPortal) with ESMTPA id 20200601142806eucas1p2680c5625411e7a695d8469760a926520~UcctTdbE30046600466eucas1p29; Mon, 1 Jun 2020 14:28:06 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20200601142806eusmtrp21c10612fd4f697e0d47d9fd09391a39c~UcctSpChv1487114871eusmtrp28; Mon, 1 Jun 2020 14:28:06 +0000 (GMT) X-AuditID: cbfec7f4-0e5ff7000001ed07-df-5ed51076fd47 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 22.52.08375.67015DE5; Mon, 1 Jun 2020 15:28:06 +0100 (BST) Received: from localhost (unknown [106.120.51.46]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200601142806eusmtip130913d607995f7f15efb787f606c1abf~UcctIiS_r0934709347eusmtip1k; Mon, 1 Jun 2020 14:28:06 +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 0/5] kexec_file_load() for arm Date: Mon, 1 Jun 2020 16:27:49 +0200 Message-Id: <20200601142754.26139-1-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Organization: Samsung R&D Institute Poland Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA02SfUxNcRjH/e556VRufh1tHlHWxYZxby/Y2fIW2s74h9loUdx0luje2j3d kq0VlpeSWuSlFxEqqeiWiyvieomQtVu5Wdkt77awVaZQOs5t/Pd9nufzfb6/Z/sxBPuK8mZi 9YmCQa+NU9FupPnR0IsFybg90r87iqs9dYXi8mruKrjOvbcU3LMsHddprUCc6U0HxdksRTRn zb+NuOoH3S5cj8NOcZdHmhH3LXdUwf1qHCK5OlM+scKDt3W0EnxheivJ/678SPBnTUbeVHmY 5rs6Gmj+S0uLC193IY3P/dZH80frKxHfb/Jd5x7utiRaiItNEgyaZdvcdpQWttMJp913X95/ g0pHr5lM5MoAXgjW1q8oE7kxLK5A0N+X4SwGEFy/10NIFIv7EbzIXjPuyKrrdkLlCOyHTjiL Dwiq7MWURNE4BHIuPqakgRceVIAl/yAtFQRuQ9DTaFZI1GSshtLhkb8OEs+GmqvXxvIYRomD 4ZQtXI6bAQfLr9OSVmJPeHL6LSnpSXgeVO17+VcTY8z+a4WEtB/wkAsMHnfQsnk1HH7mIGU9 GT431bvIejqM3ixRSFmA0+BY3mLZewSBueiHkw+GrpZhWmIIPBeuWDRyOwTqq8uRbPUAe5+n /AQPyDOfJOS2Eg4dYGV6FtTkNDgXekP25wqnk4eOI5tzkV/Bf3cV/HdLwb/Ys4ioRFMEo6iL EcRAvZCsFrU60aiPUW+P15nQ2I97OtI0cANZfkVZEWaQaqKS6W2LZCltkpiisyJgCJWXcuXz p5GsMlqbskcwxG81GOME0YqmMaRqijKo9FMEi2O0icIuQUgQDONTBePqnY481x+tORcKGcbU KotCHbFBnx5wbCkU7wwKrffTJN3JOOkTOJr8brGnD2vxG8jW5xHkxrRNvWYfjw/DU89MSPN7 r/b9vlL0ImPYnvPU/ANdmuq4gLAyTfCllJ8zlw/yixwPy1ady4oscAzZ79eGhTZnhJTMoW2p b/23BNiEtWvKVKS4QxswjzCI2j8kYsT8bQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrKIsWRmVeSWpSXmKPExsVy+t/xu7plAlfjDE7ekrDYOGM9q8WkdQeY LG427mayONOda3Hz0ApGi02Pr7FaXN41h83i0NS9jBZrj9xlt3j44Aarxep/pxgtPkz4z2Tx Z/9PFovNm6YyO/B5XL52kdljdsNFFo+/q14weyzYVOqxaVUnm8eda3vYPN6dO8fusXlJvceE D2/ZPPq2rGL0+LxJLoA7Ss+mKL+0JFUhI7+4xFYp2tDCSM/Q0kLPyMRSz9DYPNbKyFRJ384m JTUnsyy1SN8uQS9j0eyrbAUzuStWN+9gbWC8x9HFyMkhIWAi0b35LmMXIxeHkMBSRom/N/+z dDFyACWkJFbOTYeoEZb4c62LDaLmKaPEp7MXmEESbAKOEv1LT7CCJEQE/jJJHJx1GqyKWeAa o8TGCSfBqoQF9CQW/frHCmKzCKhKrNuwlRlkA6+AtcSMy1EQG+Ql2pdvZwOxeQUEJU7OfAJ2 BLOAusT6eUIgYX4BLYk1TddZQGxmoPLmrbOZJzAKzELSMQuhYxaSqgWMzKsYRVJLi3PTc4sN 9YoTc4tL89L1kvNzNzECo3TbsZ+bdzBe2hh8iFGAg1GJh3fD/StxQqyJZcWVuYcYJTiYlUR4 nc6ejhPiTUmsrEotyo8vKs1JLT7EaAr0zURmKdHkfGACySuJNzQ1NLewNDQ3Njc2s1AS5+0Q OBgjJJCeWJKanZpakFoE08fEwSnVwOjHHR5S+V36hGDErEX2tcUVQVrHjJe/V3r3zaSFfcUf 034mVUmeCTo8B1s3snn84BF/5e/YdJd1wsrJJefS9Lz335XJWZV54MN1S4EJAgXGi98GFplG zzLbbhH+7UlZt56Jvni1M9NPxYT0JdFPL/Fe/hfnHralYKP97qiwHWebVshZHTztr8RSnJFo qMVcVJwIAEqCq3HoAgAA X-CMS-MailID: 20200601142806eucas1p2680c5625411e7a695d8469760a926520 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200601142806eucas1p2680c5625411e7a695d8469760a926520 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200601142806eucas1p2680c5625411e7a695d8469760a926520 References: 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. 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 | 15 ++ arch/arm/boot/compressed/Makefile | 2 + arch/arm/boot/compressed/head.S | 9 +- arch/arm/boot/compressed/vmlinux.lds.S | 22 +-- arch/arm/include/asm/image.h | 87 ++++++++++ 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 | 199 +++++++++++++++++++++++ arch/arm/kernel/machine_kexec.c | 39 ++++- arch/arm/kernel/machine_kexec_file.c | 209 +++++++++++++++++++++++++ 11 files changed, 662 insertions(+), 19 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