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| author | Eric DeVolder <eric.devolder@oracle.com> | 2023-07-12 19:15:36 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 20:18:52 +0300 |
| commit | 91506f7e5d2142130f7407fca42c7a44a77eedfa (patch) | |
| tree | 70d9459facd0d7799adb87ac1524024abe9aee3e | |
| parent | bf9c23383f69bdef974eaf075462e7122f0dc792 (diff) | |
| download | linux-91506f7e5d2142130f7407fca42c7a44a77eedfa.tar.xz | |
arm64/kexec: refactor for kernel/Kconfig.kexec
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.
Link: https://lkml.kernel.org/r/20230712161545.87870-6-eric.devolder@oracle.com
Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | arch/arm64/Kconfig | 64 |
1 files changed, 16 insertions, 48 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index a2511b30d0f6..7635ac65c0dc 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1461,60 +1461,28 @@ config PARAVIRT_TIME_ACCOUNTING If in doubt, say N here. -config KEXEC - depends on PM_SLEEP_SMP - select KEXEC_CORE - bool "kexec system call" - 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. - -config KEXEC_FILE - bool "kexec file based system call" - select KEXEC_CORE - select HAVE_IMA_KEXEC if IMA - help - This is new version of kexec system call. This system call is - file based and takes file descriptors as system call argument - for kernel and initramfs as opposed to list of segments as - accepted by previous system call. +config ARCH_SUPPORTS_KEXEC + def_bool PM_SLEEP_SMP -config KEXEC_SIG - bool "Verify kernel signature during kexec_file_load() syscall" - depends on KEXEC_FILE - help - Select this option to verify a signature with loaded kernel - image. If configured, any attempt of loading a image without - valid signature will fail. +config ARCH_SUPPORTS_KEXEC_FILE + def_bool y - 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 ARCH_SELECTS_KEXEC_FILE + def_bool y + depends on KEXEC_FILE + select HAVE_IMA_KEXEC if IMA -config KEXEC_IMAGE_VERIFY_SIG - bool "Enable Image signature verification support" - default y - depends on KEXEC_SIG - depends on EFI && SIGNED_PE_FILE_VERIFICATION - help - Enable Image signature verification support. +config ARCH_SUPPORTS_KEXEC_SIG + def_bool y -comment "Support for PE file signature verification disabled" - depends on KEXEC_SIG - depends on !EFI || !SIGNED_PE_FILE_VERIFICATION +config ARCH_SUPPORTS_KEXEC_IMAGE_VERIFY_SIG + def_bool y -config CRASH_DUMP - bool "Build kdump crash kernel" - help - Generate crash dump after being started by kexec. This should - be normally only set in special crash dump kernels which are - loaded in the main kernel with kexec-tools into a specially - reserved region and then later executed after a crash by - kdump/kexec. +config ARCH_DEFAULT_KEXEC_IMAGE_VERIFY_SIG + def_bool y - For more details see Documentation/admin-guide/kdump/kdump.rst +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y config TRANS_TABLE def_bool y |