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m68k, kexec: fix the incorrect ifdeffery and build dependency of CONFIG_KEXEC

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The select of KEXEC for CRASH_DUMP in kernel/Kconfig.kexec will be
dropped, then compiling errors will be triggered if below config items are
set:

===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
===

Here, change the dependency of buinding machine_kexec.o relocate_kernel.o
and the ifdeffery in asm/kexe.h to CONFIG_KEXEC_CORE.

Link: https://lkml.kernel.org/r/20231208073036.7884-3-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Eric DeVolder <eric_devolder@yahoo.com>
Cc: Ignat Korchagin <ignat@cloudflare.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Baoquan He
2023-12-08 15:30:33 +08:00
committed by Andrew Morton
parent 655fc6cd45
commit 9bad6b75fc
2 changed files with 3 additions and 3 deletions
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4
arch/m68k/include/asm/kexec.h
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@@ -2,7 +2,7 @@
#ifndef _ASM_M68K_KEXEC_H
#define _ASM_M68K_KEXEC_H
#ifdef CONFIG_KEXEC
#ifdef CONFIG_KEXEC_CORE
/* Maximum physical address we can use pages from */
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
@@ -25,6 +25,6 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_KEXEC */
#endif /* CONFIG_KEXEC_CORE */
#endif /* _ASM_M68K_KEXEC_H */