Commit 26a374ae authored by Martin Schwidefsky's avatar Martin Schwidefsky
Browse files

s390: add missing ENDPROC statements to assembler functions 



The assembler code in arch/s390 misses proper ENDPROC statements
to properly end functions in a few places. Add them.

Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 7a5da02d

arch/s390/boot/text_dma.S

+6 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ ENTRY(_diag14_dma) 
	lgfr	%r2,%r5

	BR_EX_DMA_r14

	EX_TABLE_DMA(.Ldiag14_ex, .Ldiag14_fault)

ENDPROC(_diag14_dma)



/*

 * int _diag210_dma(struct diag210 *addr)
@@ -58,6 +59,7 @@ ENTRY(_diag210_dma) 
	lgfr	%r2,%r2

	BR_EX_DMA_r14

	EX_TABLE_DMA(.Ldiag210_ex, .Ldiag210_fault)

ENDPROC(_diag210_dma)



/*

 * int _diag26c_dma(void *req, void *resp, enum diag26c_sc subcode)
@@ -71,6 +73,7 @@ ENTRY(_diag26c_dma) 
	lgfr	%r2,%r5

	BR_EX_DMA_r14

	EX_TABLE_DMA(.Ldiag26c_ex, .Ldiag26c_ex)

ENDPROC(_diag26c_dma)



/*

 * void _diag0c_dma(struct hypfs_diag0c_entry *entry)
@@ -80,6 +83,7 @@ ENTRY(_diag0c_dma) 
	diag	%r2,%r2,0x0c

	sam64

	BR_EX_DMA_r14

ENDPROC(_diag0c_dma)



/*

 * void _swsusp_reset_dma(void)
@@ -96,6 +100,7 @@ restart_entry: 
	sigp	%r1,%r0,SIGP_SET_ARCHITECTURE

	sam64

	BR_EX_DMA_r14

ENDPROC(_swsusp_reset_dma)



/*

 * void _diag308_reset_dma(void)
@@ -142,6 +147,7 @@ restart_part2: 
	lpswe	0(%r4)

.Lcontinue:

	BR_EX_DMA_r14

ENDPROC(_diag308_reset_dma)



	.section .dma.data,"aw",@progbits

.align	8

arch/s390/crypto/crc32be-vx.S

+1 −0
Original line number Diff line number Diff line
@@ -207,5 +207,6 @@ ENTRY(crc32_be_vgfm_16) 
.Ldone:

	VLGVF	%r2,%v2,3

	BR_EX	%r14

ENDPROC(crc32_be_vgfm_16)



.previous

arch/s390/crypto/crc32le-vx.S

+4 −2
Original line number Diff line number Diff line
@@ -105,13 +105,14 @@ 
ENTRY(crc32_le_vgfm_16)

	larl	%r5,.Lconstants_CRC_32_LE

	j	crc32_le_vgfm_generic

ENDPROC(crc32_le_vgfm_16)



ENTRY(crc32c_le_vgfm_16)

	larl	%r5,.Lconstants_CRC_32C_LE

	j	crc32_le_vgfm_generic

ENDPROC(crc32c_le_vgfm_16)





crc32_le_vgfm_generic:

ENTRY(crc32_le_vgfm_generic)

	/* Load CRC-32 constants */

	VLM	CONST_PERM_LE2BE,CONST_CRC_POLY,0,%r5
@@ -267,5 +268,6 @@ crc32_le_vgfm_generic: 
.Ldone:

	VLGVF	%r2,%v2,2

	BR_EX	%r14

ENDPROC(crc32_le_vgfm_generic)



.previous

arch/s390/kernel/base.S

+3 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ ENTRY(s390_base_mcck_handler) 
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
@@ -48,6 +49,7 @@ ENTRY(s390_base_ext_handler) 
1:	lmg	%r0,%r15,__LC_SAVE_AREA_ASYNC

	ni	__LC_EXT_OLD_PSW+1,0xfd	# clear wait state bit

	lpswe	__LC_EXT_OLD_PSW

ENDPROC(s390_base_ext_handler)



	.section .bss

	.align 8
@@ -68,6 +70,7 @@ ENTRY(s390_base_pgm_handler) 
	lmg	%r0,%r15,__LC_SAVE_AREA_SYNC

	lpswe	__LC_PGM_OLD_PSW

1:	lpswe	disabled_wait_psw-0b(%r13)

ENDPROC(s390_base_pgm_handler)



	.align	8

disabled_wait_psw:

arch/s390/kernel/entry.S

+22 −2
Original line number Diff line number Diff line
@@ -224,6 +224,7 @@ ENTRY(__bpon) 
	.globl __bpon

	BPON

	BR_EX	%r14

ENDPROC(__bpon)



/*

 * Scheduler resume function, called by switch_to
@@ -248,6 +249,7 @@ ENTRY(__switch_to) 
	lmg	%r6,%r15,__SF_GPRS(%r15)	# load gprs of next task

	ALTERNATIVE "", ".insn s,0xb2800000,_LPP_OFFSET", 40

	BR_EX	%r14

ENDPROC(__switch_to)



.L__critical_start:
@@ -324,6 +326,7 @@ sie_exit: 
	EX_TABLE(.Lrewind_pad4,.Lsie_fault)

	EX_TABLE(.Lrewind_pad2,.Lsie_fault)

	EX_TABLE(sie_exit,.Lsie_fault)

ENDPROC(sie64a)

EXPORT_SYMBOL(sie64a)

EXPORT_SYMBOL(sie_exit)

#endif
@@ -570,6 +573,7 @@ ENTRY(system_call) 
	lgr	%r2,%r11		# pass pointer to pt_regs

	larl	%r14,.Lsysc_return

	jg	do_syscall_trace_exit

ENDPROC(system_call)



#

# a new process exits the kernel with ret_from_fork
@@ -584,10 +588,16 @@ ENTRY(ret_from_fork) 
	jne	.Lsysc_tracenogo

	# it's a kernel thread

	lmg	%r9,%r10,__PT_R9(%r11)	# load gprs

	la	%r2,0(%r10)

	BASR_EX	%r14,%r9

	j	.Lsysc_tracenogo

ENDPROC(ret_from_fork)



ENTRY(kernel_thread_starter)

	la	%r2,0(%r10)

	BASR_EX	%r14,%r9

	j	.Lsysc_tracenogo

ENDPROC(kernel_thread_starter)



/*

 * Program check handler routine
@@ -698,6 +708,7 @@ ENTRY(pgm_check_handler) 
	stg	%r14,__LC_RETURN_PSW+8

	lghi	%r14,_PIF_SYSCALL | _PIF_PER_TRAP

	lpswe	__LC_RETURN_PSW		# branch to .Lsysc_per and enable irqs

ENDPROC(pgm_check_handler)



/*

 * IO interrupt handler routine
@@ -926,6 +937,7 @@ ENTRY(io_int_handler) 
	ssm	__LC_PGM_NEW_PSW	# disable I/O and ext. interrupts

	TRACE_IRQS_OFF

	j	.Lio_return

ENDPROC(io_int_handler)



/*

 * External interrupt handler routine
@@ -965,6 +977,7 @@ ENTRY(ext_int_handler) 
	lghi	%r3,EXT_INTERRUPT

	brasl	%r14,do_IRQ

	j	.Lio_return

ENDPROC(ext_int_handler)



/*

 * Load idle PSW. The second "half" of this function is in .Lcleanup_idle.
@@ -989,6 +1002,7 @@ ENTRY(psw_idle) 
	lpswe	__SF_EMPTY(%r15)

	BR_EX	%r14

.Lpsw_idle_end:

ENDPROC(psw_idle)



/*

 * Store floating-point controls and floating-point or vector register
@@ -1031,6 +1045,7 @@ ENTRY(save_fpu_regs) 
.Lsave_fpu_regs_exit:

	BR_EX	%r14

.Lsave_fpu_regs_end:

ENDPROC(save_fpu_regs)

EXPORT_SYMBOL(save_fpu_regs)



/*
@@ -1077,6 +1092,7 @@ load_fpu_regs: 
.Lload_fpu_regs_exit:

	BR_EX	%r14

.Lload_fpu_regs_end:

ENDPROC(load_fpu_regs)



.L__critical_end:
@@ -1206,6 +1222,7 @@ ENTRY(mcck_int_handler) 
	lg	%r15,__LC_NODAT_STACK

	la	%r11,STACK_FRAME_OVERHEAD(%r15)

	j	.Lmcck_skip

ENDPROC(mcck_int_handler)



#

# PSW restart interrupt handler
@@ -1232,6 +1249,7 @@ ENTRY(restart_int_handler) 
2:	sigp	%r4,%r3,SIGP_STOP		# sigp stop to current cpu

	brc	2,2b

3:	j	3b

ENDPROC(restart_int_handler)



	.section .kprobes.text, "ax"
@@ -1241,7 +1259,7 @@ ENTRY(restart_int_handler) 
 * No need to properly save the registers, we are going to panic anyway.

 * Setup a pt_regs so that show_trace can provide a good call trace.

 */

stack_overflow:

ENTRY(stack_overflow)

	lg	%r15,__LC_NODAT_STACK	# change to panic stack

	la	%r11,STACK_FRAME_OVERHEAD(%r15)

	stmg	%r0,%r7,__PT_R0(%r11)
@@ -1251,9 +1269,10 @@ stack_overflow: 
	xc	__SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15)

	lgr	%r2,%r11		# pass pointer to pt_regs

	jg	kernel_stack_overflow

ENDPROC(stack_overflow)

#endif



cleanup_critical:

ENTRY(cleanup_critical)

#if IS_ENABLED(CONFIG_KVM)

	clg	%r9,BASED(.Lcleanup_table_sie)	# .Lsie_gmap

	jl	0f
@@ -1289,6 +1308,7 @@ cleanup_critical: 
	clg	%r9,BASED(.Lcleanup_table+104)	# .Lload_fpu_regs_end

	jl	.Lcleanup_load_fpu_regs

0:	BR_EX	%r14,%r11

ENDPROC(cleanup_critical)



	.align	8

.Lcleanup_table: