1 files changed, 0 insertions, 51 deletions

diff --git a/arch/s390/kernel/switch_cpu64.S b/arch/s390/kernel/switch_cpu64.S
deleted file mode 100644
index fcc42d799e41..000000000000
--- a/arch/s390/kernel/switch_cpu64.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * 64-bit switch cpu code
- *
- * Copyright IBM Corp. 2009
- *
- */
-
-#include <linux/linkage.h>
-#include <asm/asm-offsets.h>
-#include <asm/ptrace.h>
-
-# smp_switch_to_cpu switches to destination cpu and executes the passed function
-# Parameter: %r2 - function to call
-#            %r3 - function parameter
-#            %r4 - stack poiner
-#            %r5 - current cpu
-#            %r6 - destination cpu
-
-        .section .text
-ENTRY(smp_switch_to_cpu)
-        stmg    %r6,%r15,__SF_GPRS(%r15)
-        lgr     %r1,%r15
-        aghi    %r15,-STACK_FRAME_OVERHEAD
-        stg     %r1,__SF_BACKCHAIN(%r15)
-        larl    %r1,.gprregs
-        stmg    %r0,%r15,0(%r1)
-1:      sigp    %r0,%r6,__SIGP_RESTART  /* start destination CPU */
-        brc     2,1b                    /* busy, try again */
-2:      sigp    %r0,%r5,__SIGP_STOP     /* stop current CPU */
-        brc     2,2b                    /* busy, try again */
-3:      j       3b
-
-ENTRY(smp_restart_cpu)
-        larl    %r1,.gprregs
-        lmg     %r0,%r15,0(%r1)
-1:      sigp    %r0,%r5,__SIGP_SENSE    /* Wait for calling CPU */
-        brc     10,1b                   /* busy, accepted (status 0), running */
-        tmll    %r0,0x40                /* Test if calling CPU is stopped */
-        jz      1b
-        ltgr    %r4,%r4                 /* New stack ? */
-        jz      1f
-        lgr     %r15,%r4
-1:      lgr     %r14,%r2                /* r14: Function to call */
-        lgr     %r2,%r3                 /* r2 : Parameter for function*/
-        basr    %r14,%r14               /* Call function */
-
-        .section .data,"aw",@progbits
-.gprregs:
-        .rept   16
-        .quad   0
-        .endr