Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit aee10c61 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Paul Mackerras
Browse files

powerpc: Provide dummy crash_shutdown_register 



When kexec is disabled, the crash_shutdown_{un,}register
functions are not available in the kernel.
This provides dummy inline functions for those so that
the callers don't have to worry about it.

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 41743a4e

include/asm-powerpc/kexec.h

+12 −1
Original line number Diff line number Diff line
@@ -34,6 +34,8 @@ 
#ifndef __ASSEMBLY__

#include <linux/cpumask.h>



typedef void (*crash_shutdown_t)(void);



#ifdef CONFIG_KEXEC



#ifdef __powerpc64__
@@ -123,7 +125,6 @@ struct pt_regs; 
extern void default_machine_kexec(struct kimage *image);

extern int default_machine_kexec_prepare(struct kimage *image);

extern void default_machine_crash_shutdown(struct pt_regs *regs);

typedef void (*crash_shutdown_t)(void);

extern int crash_shutdown_register(crash_shutdown_t handler);

extern int crash_shutdown_unregister(crash_shutdown_t handler);
@@ -143,6 +144,16 @@ static inline int overlaps_crashkernel(unsigned long start, unsigned long size) 


static inline void reserve_crashkernel(void) { ; }



static inline int crash_shutdown_register(crash_shutdown_t handler)

{

	return 0;

}



static inline int crash_shutdown_unregister(crash_shutdown_t handler)

{

	return 0;

}



#endif /* CONFIG_KEXEC */

#endif /* ! __ASSEMBLY__ */

#endif /* __KERNEL__ */