[PATCH v3 08/13] mips/kexec: refactor for kernel/Kconfig.kexec
From: Eric DeVolder <hidden>
Date: 2023-06-26 16:15:51
Also in:
linux-m68k, linux-mips, linux-riscv, linux-s390, linux-sh, lkml, loongarch
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, 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> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> --- arch/mips/Kconfig | 32 +++++--------------------------- 1 file changed, 5 insertions(+), 27 deletions(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 675a8660cb85..3d9960942cbd 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig@@ -2873,33 +2873,11 @@ config HZ config SCHED_HRTICK def_bool HIGH_RES_TIMERS -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. - - The name comes from the similarity to the exec system call. - - It is an ongoing process to be certain the hardware in a machine - is properly shutdown, so do not be surprised if this code does not - initially work for you. As of this writing the exact hardware - interface is strongly in flux, so no good recommendation can be - made. - -config CRASH_DUMP - bool "Kernel crash dumps" - 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. The crash dump kernel must be compiled - to a memory address not used by the main kernel or firmware using - PHYSICAL_START. +config ARCH_SUPPORTS_KEXEC + def_bool y + +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y config PHYSICAL_START hex "Physical address where the kernel is loaded"
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2.31.1