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(parent: f97a128) | patch
RISC-V: Add kexec support
authorNick Kossifidis <mick@ics.forth.gr>
Mon, 19 Apr 2021 00:55:36 +0000 (03:55 +0300)
committerPalmer Dabbelt <palmerdabbelt@google.com>
Mon, 26 Apr 2021 15:25:21 +0000 (08:25 -0700)
commit6bab032a4f17080ea509e5ad9739e00227010f10
treee062971122d415840b630031d7ee59f15f2095f7tree | snapshot
parentf97a128c9f6e47e0049ef24897d96996db79cf81commit | diff
RISC-V: Add kexec support

This patch adds support for kexec on RISC-V. On SMP systems it depends
on HOTPLUG_CPU in order to be able to bring up all harts after kexec.
It also needs a recent OpenSBI version that supports the HSM extension.
I tested it on riscv64 QEMU on both an smp and a non-smp system.

Signed-off-by: Nick Kossifidis <mick@ics.forth.gr>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
arch/riscv/Kconfig diff | blob | history
arch/riscv/include/asm/kexec.h [new file with mode: 0644] blob
arch/riscv/kernel/Makefile diff | blob | history
arch/riscv/kernel/kexec_relocate.S [new file with mode: 0644] blob
arch/riscv/kernel/machine_kexec.c [new file with mode: 0644] blob
Linux Kernel Source Tree.