Commit 086d67ef authored by Baoquan He's avatar Baoquan He Committed by Andrew Morton
Browse files

ppc, crash: enforce KEXEC and KEXEC_FILE to select CRASH_DUMP 

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.

[bhe@redhat.com: fix allnoconfig on ppc]
  Link: https://lkml.kernel.org/r/ZbJwMyCpz4HDySoo@MiWiFi-R3L-srv
Link: https://lkml.kernel.org/r/20240124051254.67105-9-bhe@redhat.com


Signed-off-by: default avatarBaoquan He <bhe@redhat.com>
Acked-by: default avatarHari Bathini <hbathini@linux.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Pingfan Liu <piliu@redhat.com>
Cc: Klara Modin <klarasmodin@gmail.com>
Cc: Michael Kelley <mhklinux@outlook.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 40254101

arch/powerpc/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -608,6 +608,11 @@ config PPC64_SUPPORTS_MEMORY_FAILURE 
config ARCH_SUPPORTS_KEXEC

	def_bool PPC_BOOK3S || PPC_E500 || (44x && !SMP)



config ARCH_SELECTS_KEXEC

	def_bool y

	depends on KEXEC

	select CRASH_DUMP



config ARCH_SUPPORTS_KEXEC_FILE

	def_bool PPC64
@@ -618,6 +623,7 @@ 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