diff options
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 66 |
1 files changed, 20 insertions, 46 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 4f364cfe9dd0..661b6de69c27 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -215,6 +215,7 @@ 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 @@ -246,6 +247,25 @@ config PGTABLE_LEVELS source "kernel/livepatch/Kconfig" +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_SUPPORTS_KEXEC_PURGATORY + def_bool KEXEC_FILE + +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y + help + Refer to <file:Documentation/arch/s390/zfcpdump.rst> for more details on this. + This option also enables s390 zfcpdump. + See also <file:Documentation/arch/s390/zfcpdump.rst> + menu "Processor type and features" config HAVE_MARCH_Z10_FEATURES @@ -484,36 +504,6 @@ 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 CERT_STORE bool "Get user certificates via DIAG320" depends on KEYS @@ -746,22 +736,6 @@ 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/arch/s390/zfcpdump.rst> for more details on this. - This option also enables s390 zfcpdump. - See also <file:Documentation/arch/s390/zfcpdump.rst> - -endmenu - config CCW def_bool y |