Commit 51222278 authored by Vasily Gorbik's avatar Vasily Gorbik
Browse files

s390/base: remove unused s390_base_mcck_handler 



s390_base_mcck_handler was used during system reset if diag308 set was
not available. But after commit d485235b ("s390: assume diag308 set
always works") is a dead code and could be removed.

Acked-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 4df9a825

arch/s390/include/asm/processor.h

+0 −2
Original line number Diff line number Diff line
@@ -324,11 +324,9 @@ static inline void __noreturn disabled_wait(void) 
 * Basic Machine Check/Program Check Handler.

 */



extern void s390_base_mcck_handler(void);

extern void s390_base_pgm_handler(void);

extern void s390_base_ext_handler(void);



extern void (*s390_base_mcck_handler_fn)(void);

extern void (*s390_base_pgm_handler_fn)(void);

extern void (*s390_base_ext_handler_fn)(void);

arch/s390/kernel/base.S

+0 −21
Original line number Diff line number Diff line
@@ -16,27 +16,6 @@ 
	GEN_BR_THUNK %r9

	GEN_BR_THUNK %r14



ENTRY(s390_base_mcck_handler)

	basr	%r13,0

0:	lg	%r15,__LC_NODAT_STACK	# load panic stack

	aghi	%r15,-STACK_FRAME_OVERHEAD

	larl	%r1,s390_base_mcck_handler_fn

	lg	%r9,0(%r1)

	ltgr	%r9,%r9

	jz	1f

	BASR_EX	%r14,%r9

1:	la	%r1,4095

	lmg	%r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1)

	lpswe	__LC_MCK_OLD_PSW

ENDPROC(s390_base_mcck_handler)



	.section .bss

	.align 8

	.globl	s390_base_mcck_handler_fn

s390_base_mcck_handler_fn:

	.quad	0

	.previous



ENTRY(s390_base_ext_handler)

	stmg	%r0,%r15,__LC_SAVE_AREA_ASYNC

	basr	%r13,0

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