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| author | Li Zhengyu <lizhengyu3@huawei.com> | 2022-04-08 13:09:13 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-05-19 22:18:59 +0300 |
| commit | 736e30af583fb6e0e2b8211b894ff99dea0f1ee7 (patch) | |
| tree | 5c1b4d2f0a33ab0d762447b2ce7375c5eca194ec /arch/riscv/Kconfig | |
| parent | 8acea455fafaf2620b247de6c00774828b618a82 (diff) | |
| download | linux-736e30af583fb6e0e2b8211b894ff99dea0f1ee7.tar.xz | |
RISC-V: Add purgatory
This patch adds purgatory, the name and concept have been taken
from kexec-tools. Purgatory runs between two kernels, and do
verify sha256 hash to ensure the kernel to jump to is fine and
has not been corrupted after loading. Makefile is modified based
on x86 platform.
Signed-off-by: Li Zhengyu <lizhengyu3@huawei.com>
Link: https://lore.kernel.org/r/20220408100914.150110-6-lizhengyu3@huawei.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 860817a56af6..898052ff743e 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -397,6 +397,12 @@ config KEXEC_FILE If you don't know what to do here, say Y. +config ARCH_HAS_KEXEC_PURGATORY + def_bool KEXEC_FILE + select BUILD_BIN2C + depends on CRYPTO=y + depends on CRYPTO_SHA256=y + config CRASH_DUMP bool "Build kdump crash kernel" help |