[PATCH v2 06/13] loongarch/kexec: refactor for kernel/Kconfig.kexec
From: Eric DeVolder <hidden>
Date: 2023-06-19 15:00:52
Also in:
linux-m68k, linux-mips, linux-riscv, linux-s390, linux-sh, lkml, loongarch
Subsystem:
loongarch, the rest · Maintainers:
Huacai Chen, Linus Torvalds
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. Signed-off-by: Eric DeVolder <redacted> --- arch/loongarch/Kconfig | 26 +++++++------------------- 1 file changed, 7 insertions(+), 19 deletions(-)
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index d38b066fc931..3542bf669c78 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig@@ -481,28 +481,16 @@ config ARCH_STRICT_ALIGN to run kernel only on systems with h/w unaligned access support in order to optimise for performance. -config KEXEC - bool "Kexec system call" - 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. +config ARCH_SUPPORTS_KEXEC + def_bool y - The name comes from the similarity to the exec system call. +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y -config CRASH_DUMP - bool "Build kdump crash kernel" +config ARCH_SELECTS_CRASH_DUMP + def_bool y + depends on CRASH_DUMP select RELOCATABLE - 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 RELOCATABLE bool "Relocatable kernel"
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2.31.1