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Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder Reviewed-by: Sourabh Jain --- arch/powerpc/Kconfig | 55 ++++++++++++++------------------------------ 1 file changed, 17 insertions(+), 38 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index bff5820b7cda..36f2fe0cc8a5 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -588,41 +588,21 @@ config PPC64_SUPPORTS_MEMORY_FAILURE default "y" if PPC_POWERNV select ARCH_SUPPORTS_MEMORY_FAILURE -config KEXEC - bool "kexec system call" - depends on PPC_BOOK3S || PPC_E500 || (44x && !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. - - 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 KEXEC_FILE - bool "kexec file based system call" - select KEXEC_CORE - select HAVE_IMA_KEXEC if IMA - select KEXEC_ELF - depends on PPC64 - depends on CRYPTO=y - depends on CRYPTO_SHA256=y - help - This is a new version of the kexec system call. This call is - file based and takes in file descriptors as system call arguments - for kernel and initramfs as opposed to a list of segments as is the - case for the older kexec call. +config ARCH_HAS_KEXEC + def_bool PPC_BOOK3S || PPC_E500 || (44x && !SMP) + +config ARCH_HAS_KEXEC_FILE + def_bool PPC64 && CRYPTO && CRYPTO_SHA256 config ARCH_HAS_KEXEC_PURGATORY def_bool KEXEC_FILE +config ARCH_SUPPORTS_KEXEC_FILE + def_bool y + depends on KEXEC_FILE + select KEXEC_ELF + select HAVE_IMA_KEXEC if IMA + config PPC64_BIG_ENDIAN_ELF_ABI_V2 bool "Build big-endian kernel using ELF ABI V2 (EXPERIMENTAL)" depends on PPC64 && CPU_BIG_ENDIAN @@ -682,14 +662,13 @@ config RELOCATABLE_TEST loaded at, which tends to be non-zero and therefore test the relocation code. -config CRASH_DUMP - bool "Build a dump capture kernel" - depends on PPC64 || PPC_BOOK3S_32 || PPC_85xx || (44x && !SMP) +config ARCH_HAS_CRASH_DUMP + def_bool PPC64 || PPC_BOOK3S_32 || PPC_85xx || (44x && !SMP) + +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y + depends on CRASH_DUMP select RELOCATABLE if PPC64 || 44x || PPC_85xx - help - Build a kernel suitable for use as a dump capture kernel. - The same kernel binary can be used as production kernel and dump - capture kernel. config FA_DUMP bool "Firmware-assisted dump"