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 <eric.devolder@xxxxxxxxxx> Acked-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx> --- arch/s390/Kconfig | 69 ++++++++++++++++------------------------------- 1 file changed, 23 insertions(+), 46 deletions(-) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 5b39918b7042..40beaf1f3d73 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -213,6 +213,7 @@ config S390 select HAVE_VIRT_CPU_ACCOUNTING_IDLE select IOMMU_HELPER if PCI select IOMMU_SUPPORT if PCI + select KEXEC select MMU_GATHER_MERGE_VMAS select MMU_GATHER_NO_GATHER select MMU_GATHER_RCU_TABLE_FREE @@ -244,6 +245,28 @@ config PGTABLE_LEVELS source "kernel/livepatch/Kconfig" +config ARCH_DEFAULT_KEXEC + def_bool y + +config ARCH_SUPPORTS_KEXEC + def_bool y + +config ARCH_SUPPORTS_KEXEC_FILE + def_bool CRYPTO && CRYPTO_SHA256 && CRYPTO_SHA256_S390 + +config ARCH_SUPPORTS_KEXEC_SIG + def_bool MODULE_SIG_FORMAT + +config ARCH_HAS_KEXEC_PURGATORY + def_bool KEXEC_FILE + +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y + help + Refer to <file:Documentation/s390/zfcpdump.rst> for more details on this. + This option also enables s390 zfcpdump. + See also <file:Documentation/s390/zfcpdump.rst> + menu "Processor type and features" config HAVE_MARCH_Z10_FEATURES @@ -482,36 +505,6 @@ config SCHED_TOPOLOGY source "kernel/Kconfig.hz" -config KEXEC - def_bool y - select KEXEC_CORE - -config KEXEC_FILE - bool "kexec file based system call" - select KEXEC_CORE - depends on CRYPTO - depends on CRYPTO_SHA256 - depends on CRYPTO_SHA256_S390 - help - Enable the kexec file based system call. In contrast to the normal - kexec system call this system call takes file descriptors for the - kernel and initramfs as arguments. - -config ARCH_HAS_KEXEC_PURGATORY - def_bool y - depends on KEXEC_FILE - -config KEXEC_SIG - bool "Verify kernel signature during kexec_file_load() syscall" - depends on KEXEC_FILE && MODULE_SIG_FORMAT - help - This option makes kernel signature verification mandatory for - the kexec_file_load() syscall. - - In addition to that option, you need to enable signature - verification for the corresponding kernel image type being - loaded in order for this to work. - config KERNEL_NOBP def_bool n prompt "Enable modified branch prediction for the kernel by default" @@ -733,22 +726,6 @@ config VFIO_AP endmenu -menu "Dump support" - -config CRASH_DUMP - bool "kernel crash dumps" - select KEXEC - help - Generate crash dump after being started by kexec. - Crash dump kernels are loaded in the main kernel with kexec-tools - into a specially reserved region and then later executed after - a crash by kdump/kexec. - Refer to <file:Documentation/s390/zfcpdump.rst> for more details on this. - This option also enables s390 zfcpdump. - See also <file:Documentation/s390/zfcpdump.rst> - -endmenu - config CCW def_bool y -- 2.31.1
