[PATCH v2 08/14] ppc, crash: enforce KEXEC and KEXEC_FILE to select CRASH_DUMP

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In PowerPC, the crash dumping and kexec reboot share code in
arch_kexec_locate_mem_hole(), in which struct crash_mem is used.

Here enfoce enforce KEXEC and KEXEC_FILE to select CRASH_DUMP for now.

Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
---
 arch/powerpc/Kconfig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 1cdb8fdd3735..fc3cd7f4bb73 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -608,6 +608,10 @@ config PPC64_SUPPORTS_MEMORY_FAILURE
 config ARCH_SUPPORTS_KEXEC
 	def_bool PPC_BOOK3S || PPC_E500 || (44x && !SMP)
 
+config ARCH_SELECTS_KEXEC
+	def_bool y
+	select CRASH_DUMP
+
 config ARCH_SUPPORTS_KEXEC_FILE
 	def_bool PPC64
 
@@ -618,6 +622,7 @@ config ARCH_SELECTS_KEXEC_FILE
 	def_bool y
 	depends on KEXEC_FILE
 	select KEXEC_ELF
+	select CRASH_DUMP
 	select HAVE_IMA_KEXEC if IMA
 
 config PPC64_BIG_ENDIAN_ELF_ABI_V2
-- 
2.41.0





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