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 <eric.devol...@oracle.com>
---
arch/s390/Kconfig | 65 ++++++++++++++---------------------------------
1 file changed, 19 insertions(+), 46 deletions(-)
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 6dab9c1be508..2eda5a0e240f 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -243,6 +243,25 @@ config PGTABLE_LEVELS
source "kernel/livepatch/Kconfig"
+config ARCH_DEFAULT_KEXEC
+ def_bool y
+
+config ARCH_HAS_KEXEC
+ def_bool y
+
+config ARCH_HAS_KEXEC_FILE
+ def_bool CRYPTO && CRYPTO_SHA256 && CRYPTO_SHA256_S390
+
+config ARCH_HAS_KEXEC_PURGATORY
+ def_bool KEXEC_FILE
+
+config ARCH_HAS_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
@@ -481,36 +500,6 @@ 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"
@@ -732,22 +721,6 @@ 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
