Hi Nick On 4/5/21 8:57 AM, Nick Kossifidis wrote: > This patch series adds kexec/kdump and crash kernel > support on RISC-V. For testing the patches a patched > version of kexec-tools is needed (still a work in > progress) which can be found at: > > https://riscv.ics.forth.gr/kexec-tools-patched.tar.xz > > v3: > * Rebase on newer kernel tree > * Minor cleanups > * Split UAPI changes to a separate patch > * Improve / cleanup init_resources > * Resolve Palmer's comments > > v2: > * Rebase on newer kernel tree > * Minor cleanups > * Properly populate the ioresources tre, so that it > can be used later on for implementing strict /dev/mem > * Use linux,usable-memory on /memory instead of a new binding > * USe a reserved-memory node for ELF core header > > Nick Kossifidis (5): > RISC-V: Add EM_RISCV to kexec UAPI header > RISC-V: Add kexec support > RISC-V: Improve init_resources > RISC-V: Add kdump support > RISC-V: Add crash kernel support > > arch/riscv/Kconfig | 25 ++++ > arch/riscv/include/asm/elf.h | 6 + > arch/riscv/include/asm/kexec.h | 54 +++++++ > arch/riscv/kernel/Makefile | 6 + > arch/riscv/kernel/crash_dump.c | 46 ++++++ > arch/riscv/kernel/crash_save_regs.S | 56 +++++++ > arch/riscv/kernel/kexec_relocate.S | 222 ++++++++++++++++++++++++++++ > arch/riscv/kernel/machine_kexec.c | 193 ++++++++++++++++++++++++ > arch/riscv/kernel/setup.c | 113 ++++++++------ > arch/riscv/mm/init.c | 110 ++++++++++++++ > include/uapi/linux/kexec.h | 1 + > 11 files changed, 787 insertions(+), 45 deletions(-) > create mode 100644 arch/riscv/include/asm/kexec.h > create mode 100644 arch/riscv/kernel/crash_dump.c > create mode 100644 arch/riscv/kernel/crash_save_regs.S > create mode 100644 arch/riscv/kernel/kexec_relocate.S > create mode 100644 arch/riscv/kernel/machine_kexec.c >
Just ask out of curiosity (maybe out of topic).. Is crash analysis [1] capable of parsing RISC-V kdump image? No? Or, any plan working on it? [1] https://github.com/crash-utility/crash Yxun Lan
