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Mon, 1 Jun 2020 14:28:06 +0000 (GMT) From: =?utf-8?q?=C5=81ukasz_Stelmach?= 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 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 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 X-RootMTR: 20200601142806eucas1p2680c5625411e7a695d8469760a926520 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200601142806eucas1p2680c5625411e7a695d8469760a926520 References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200601_072811_965773_CEA69A0D X-CRM114-Status: GOOD ( 12.85 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.12 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.12 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender 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_Stelmach?= , Bartlomiej Zolnierkiewicz Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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