1 files changed, 0 insertions, 101 deletions
diff --git a/arch/s390/kernel/head_kdump.S b/arch/s390/kernel/head_kdump.S
deleted file mode 100644
index 174d6959bf5b..000000000000
--- a/arch/s390/kernel/head_kdump.S
+++ /dev/null
@@ -1,101 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * S390 kdump lowlevel functions (new kernel)
- *
- * Copyright IBM Corp. 2011
- * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com>
- */
-
-#include <asm/sigp.h>
-
-#define DATAMOVER_ADDR	0x4000
-#define COPY_PAGE_ADDR	0x6000
-
-#ifdef CONFIG_CRASH_DUMP
-
-#
-# kdump entry (new kernel - not yet relocated)
-#
-# Note: This code has to be position independent
-#
-
-.align 2
-.Lep_startup_kdump:
-	lhi	%r1,2				# mode 2 = esame (dump)
-	sigp	%r1,%r0,SIGP_SET_ARCHITECTURE	# Switch to esame mode
-	sam64					# Switch to 64 bit addressing
-	basr	%r13,0
-.Lbase:
-	larl	%r2,.Lbase_addr			# Check, if we have been
-	lg	%r2,0(%r2)			# already relocated:
-	clgr	%r2,%r13			#
-	jne	.Lrelocate			# No : Start data mover
-	lghi	%r2,0				# Yes: Start kdump kernel
-	brasl	%r14,startup_kdump_relocated
-
-.Lrelocate:
-	larl	%r4,startup
-	lg	%r2,0x418(%r4)			# Get kdump base
-	lg	%r3,0x420(%r4)			# Get kdump size
-
-	larl	%r10,.Lcopy_start		# Source of data mover
-	lghi	%r8,DATAMOVER_ADDR		# Target of data mover
-	mvc	0(256,%r8),0(%r10)		# Copy data mover code
-
-	agr	%r8,%r2				# Copy data mover to
-	mvc	0(256,%r8),0(%r10)		# reserved mem
-
-	lghi	%r14,DATAMOVER_ADDR		# Jump to copied data mover
-	basr	%r14,%r14
-.Lbase_addr:
-	.quad	.Lbase
-
-#
-# kdump data mover code (runs at address DATAMOVER_ADDR)
-#
-# r2: kdump base address
-# r3: kdump size
-#
-.Lcopy_start:
-	basr	%r13,0				# Base
-0:
-	lgr	%r11,%r2			# Save kdump base address
-	lgr	%r12,%r2
-	agr	%r12,%r3			# Compute kdump end address
-
-	lghi	%r5,0
-	lghi	%r10,COPY_PAGE_ADDR		# Load copy page address
-1:
-	mvc	0(256,%r10),0(%r5)		# Copy old kernel to tmp
-	mvc	0(256,%r5),0(%r11)		# Copy new kernel to old
-	mvc	0(256,%r11),0(%r10)		# Copy tmp to new
-	aghi	%r11,256
-	aghi	%r5,256
-	clgr	%r11,%r12
-	jl	1b
-
-	lg	%r14,.Lstartup_kdump-0b(%r13)
-	basr	%r14,%r14			# Start relocated kernel
-.Lstartup_kdump:
-	.long	0x00000000,0x00000000 + startup_kdump_relocated
-.Lcopy_end:
-
-#
-# Startup of kdump (relocated new kernel)
-#
-.align 2
-startup_kdump_relocated:
-	basr	%r13,0
-0:	lpswe	.Lrestart_psw-0b(%r13)		# Start new kernel...
-.align	8
-.Lrestart_psw:
-	.quad	0x0000000080000000,0x0000000000000000 + startup
-#else
-.align 2
-.Lep_startup_kdump:
-	larl	%r13,startup_kdump_crash
-	lpswe	0(%r13)
-.align 8
-startup_kdump_crash:
-	.quad	0x0002000080000000,0x0000000000000000 + startup_kdump_crash
-#endif /* CONFIG_CRASH_DUMP */