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: Martin Schwidefsky <schwidefsky@de.ibm.com>

6 files changed, 35 insertions, 4 deletions

diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S
index d6ee5978e273..2f39ea57f358 100644
--- a/arch/s390/kernel/base.S
+++ b/arch/s390/kernel/base.S
@@ -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:
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index baa67e434b46..3f4d272577d3 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -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:
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index e93fbf02490c..09ae6da0aaa5 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -20,6 +20,7 @@
 
 ENTRY(ftrace_stub)
 	BR_EX	%r14
+ENDPROC(ftrace_stub)
 
 #define STACK_FRAME_SIZE  (STACK_FRAME_OVERHEAD + __PT_SIZE)
 #define STACK_PTREGS	  (STACK_FRAME_OVERHEAD)
@@ -28,7 +29,7 @@ ENTRY(ftrace_stub)
 
 ENTRY(_mcount)
 	BR_EX	%r14
-
+ENDPROC(_mcount)
 EXPORT_SYMBOL(_mcount)
 
 ENTRY(ftrace_caller)
@@ -61,7 +62,8 @@ ENTRY(ftrace_caller)
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 # The j instruction gets runtime patched to a nop instruction.
 # See ftrace_enable_ftrace_graph_caller.
-ENTRY(ftrace_graph_caller)
+	.globl ftrace_graph_caller
+ftrace_graph_caller:
 	j	ftrace_graph_caller_end
 	lg	%r2,(STACK_PTREGS_GPRS+14*8)(%r15)
 	lg	%r3,(STACK_PTREGS_PSW+8)(%r15)
@@ -73,6 +75,7 @@ ftrace_graph_caller_end:
 	lg	%r1,(STACK_PTREGS_PSW+8)(%r15)
 	lmg	%r2,%r15,(STACK_PTREGS_GPRS+2*8)(%r15)
 	BR_EX	%r1
+ENDPROC(ftrace_caller)
 
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 
@@ -86,5 +89,6 @@ ENTRY(return_to_handler)
 	lgr	%r14,%r2
 	lmg	%r2,%r5,32(%r15)
 	BR_EX	%r14
+ENDPROC(return_to_handler)
 
 #endif
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index 7f14adf512c6..4a22163962eb 100644
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -73,6 +73,7 @@ ENTRY(store_status)
 	lgr	%r9,%r2
 	lgr	%r2,%r3
 	BR_EX	%r9
+ENDPROC(store_status)
 
 	.section .bss
 	.align	8
diff --git a/arch/s390/kernel/relocate_kernel.S b/arch/s390/kernel/relocate_kernel.S
index 1b56f087ce2c..fe396673e8a6 100644
--- a/arch/s390/kernel/relocate_kernel.S
+++ b/arch/s390/kernel/relocate_kernel.S
@@ -66,6 +66,7 @@ ENTRY(relocate_kernel)
 		mvc	0(8,%r0),0(%r4)	# copy psw to absolute address 0
 	.diag:
 		diag	%r0,%r0,0x308
+ENDPROC(relocate_kernel)
 
 		.align	8
 	load_psw:
diff --git a/arch/s390/kernel/swsusp.S b/arch/s390/kernel/swsusp.S
index f5219ce11cc5..19a3c427801a 100644
--- a/arch/s390/kernel/swsusp.S
+++ b/arch/s390/kernel/swsusp.S
@@ -108,6 +108,7 @@ ENTRY(swsusp_arch_suspend)
 	lmg	%r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15)
 	lghi	%r2,0
 	BR_EX	%r14
+ENDPROC(swsusp_arch_suspend)
 
 /*
  * Restore saved memory image to correct place and restore register context.
@@ -260,6 +261,7 @@ restore_registers:
 	lmg	%r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15)
 	lghi	%r2,0
 	BR_EX	%r14
+ENDPROC(swsusp_arch_resume)
 
 	.section .data..nosave,"aw",@progbits
 	.align	8