diff options
| author | Eric DeVolder <eric.devolder@oracle.com> | 2023-07-12 18:15:42 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 19:18:54 +0200 |
| commit | 1f0d6efe52cfb85683f3e69a5c126769bbc31d86 (patch) | |
| tree | 724240b50a02870ed77fafe4c2e7328fbe67f936 /arch/riscv | |
| parent | powerpc/kexec: refactor for kernel/Kconfig.kexec (diff) | |
| download | linux-1f0d6efe52cfb85683f3e69a5c126769bbc31d86.tar.xz linux-1f0d6efe52cfb85683f3e69a5c126769bbc31d86.zip | |
riscv/kexec: refactor for kernel/Kconfig.kexec
The kexec and crash kernel options are provided in the common
kernel/Kconfig.kexec. Utilize the common options and provide
the ARCH_SUPPORTS_ and ARCH_SELECTS_ entries to recreate the
equivalent set of KEXEC and CRASH options.
Link: https://lkml.kernel.org/r/20230712161545.87870-12-eric.devolder@oracle.com
Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/Kconfig | 44 |
1 files changed, 13 insertions, 31 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 4c07b9189c86..23d0fbbe1367 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -650,48 +650,30 @@ config RISCV_BOOT_SPINWAIT If unsure what to do here, say N. -config KEXEC - bool "Kexec system call" - depends on MMU +config ARCH_SUPPORTS_KEXEC + def_bool MMU + +config ARCH_SELECTS_KEXEC + def_bool y + depends on KEXEC select HOTPLUG_CPU if SMP - select KEXEC_CORE - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot - but it is independent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - The name comes from the similarity to the exec system call. +config ARCH_SUPPORTS_KEXEC_FILE + def_bool 64BIT && MMU -config KEXEC_FILE - bool "kexec file based systmem call" - depends on 64BIT && MMU +config ARCH_SELECTS_KEXEC_FILE + def_bool y + depends on KEXEC_FILE select HAVE_IMA_KEXEC if IMA - select KEXEC_CORE select KEXEC_ELF - help - This is new version of kexec system call. This system call is - file based and takes file descriptors as system call argument - for kernel and initramfs as opposed to list of segments as - accepted by previous system call. - - If you don't know what to do here, say Y. config ARCH_HAS_KEXEC_PURGATORY def_bool KEXEC_FILE depends on CRYPTO=y depends on CRYPTO_SHA256=y -config CRASH_DUMP - bool "Build kdump crash kernel" - help - Generate crash dump after being started by kexec. This should - be normally only set in special crash dump kernels which are - loaded in the main kernel with kexec-tools into a specially - reserved region and then later executed after a crash by - kdump/kexec. - - For more details see Documentation/admin-guide/kdump/kdump.rst +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y config COMPAT bool "Kernel support for 32-bit U-mode" |