diff options
Diffstat (limited to 'kernel/Kconfig.kexec')
| -rw-r--r-- | kernel/Kconfig.kexec | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/kernel/Kconfig.kexec b/kernel/Kconfig.kexec index 9bfe68fe9676..15632358bcf7 100644 --- a/kernel/Kconfig.kexec +++ b/kernel/Kconfig.kexec @@ -2,11 +2,13 @@ menu "Kexec and crash features" -config CRASH_CORE +config CRASH_RESERVE + bool + +config VMCORE_INFO bool config KEXEC_CORE - select CRASH_CORE bool config KEXEC_ELF @@ -36,6 +38,7 @@ config KEXEC config KEXEC_FILE bool "Enable kexec file based system call" depends on ARCH_SUPPORTS_KEXEC_FILE + select CRYPTO_LIB_SHA256 select KEXEC_CORE help This is new version of kexec system call. This system call is @@ -93,11 +96,11 @@ config KEXEC_JUMP config CRASH_DUMP bool "kernel crash dumps" + default ARCH_DEFAULT_CRASH_DUMP depends on ARCH_SUPPORTS_CRASH_DUMP - depends on ARCH_SUPPORTS_KEXEC - select CRASH_CORE - select KEXEC_CORE - select KEXEC + depends on KEXEC_CORE + select VMCORE_INFO + select CRASH_RESERVE help Generate crash dump after being started by kexec. This should be normally only set in special crash dump kernels @@ -110,7 +113,36 @@ config CRASH_DUMP For more details see Documentation/admin-guide/kdump/kdump.rst For s390, this option also enables zfcpdump. - See also <file:Documentation/s390/zfcpdump.rst> + See also <file:Documentation/arch/s390/zfcpdump.rst> + +config CRASH_DM_CRYPT + bool "Support saving crash dump to dm-crypt encrypted volume" + depends on KEXEC_FILE + depends on CRASH_DUMP + depends on DM_CRYPT + depends on KEYS + help + With this option enabled, user space can intereact with + /sys/kernel/config/crash_dm_crypt_keys to make the dm crypt keys + persistent for the dump-capture kernel. + +config CRASH_DM_CRYPT_CONFIGS + def_tristate CRASH_DM_CRYPT + select CONFIGFS_FS + help + CRASH_DM_CRYPT cannot directly select CONFIGFS_FS, because that + is required to be built-in. + +config CRASH_DUMP_KUNIT_TEST + tristate "Unit Tests for kernel crash dumps" if !KUNIT_ALL_TESTS + depends on CRASH_DUMP && KUNIT + default KUNIT_ALL_TESTS + help + This option builds KUnit unit tests for kernel crash dumps. The unit + tests will be used to verify the correctness of covered functions and + also prevent any regression. + + If unsure, say N. config CRASH_HOTPLUG bool "Update the crash elfcorehdr on system configuration changes" |