s390/extable: move EX_TABLE define to asm-extable.h

Follow arm64 and riscv and move the EX_TABLE define to asm-extable.h
which is a lot less generic than the current linkage.h.

Also make sure that all files which contain EX_TABLE usages actually
include the new header file. This should make sure that the files
always compile and there won't be any random compile breakage due to
other header file dependencies.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

arch/s390/hypfs/hypfs_vm.c

@@ -10,6 +10,7 @@
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/vmalloc.h>
+#include <asm/extable.h>
 #include <asm/diag.h>
 #include <asm/ebcdic.h>
 #include <asm/timex.h>

arch/s390/include/asm/ap.h

@@ -13,6 +13,7 @@
 #define _ASM_S390_AP_H_
 
 #include <linux/io.h>
+#include <asm/asm-extable.h>
 
 /**
  * The ap_qid_t identifier of an ap queue.

arch/s390/include/asm/asm-extable.h

@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_EXTABLE_H
+#define __ASM_EXTABLE_H
+
+#include <linux/stringify.h>
+#include <asm/asm-const.h>
+
+#define __EX_TABLE(_section, _fault, _target)				\
+	stringify_in_c(.section	_section,"a";)				\
+	stringify_in_c(.align	8;)					\
+	stringify_in_c(.long	(_fault) - .;)				\
+	stringify_in_c(.long	(_target) - .;)				\
+	stringify_in_c(.quad	0;)					\
+	stringify_in_c(.previous)
+
+#define EX_TABLE(_fault, _target)					\
+	__EX_TABLE(__ex_table, _fault, _target)
+#define EX_TABLE_AMODE31(_fault, _target)				\
+	__EX_TABLE(.amode31.ex_table, _fault, _target)
+
+#endif /* __ASM_EXTABLE_H */

arch/s390/include/asm/cpu_mf.h

@@ -10,6 +10,7 @@
 #define _ASM_S390_CPU_MF_H
 
 #include <linux/errno.h>
+#include <asm/asm-extable.h>
 #include <asm/facility.h>
 
 asm(".include \"asm/cpu_mf-insn.h\"\n");

arch/s390/include/asm/diag.h

@@ -11,6 +11,7 @@
 
 #include <linux/if_ether.h>
 #include <linux/percpu.h>
+#include <asm/asm-extable.h>
 
 enum diag_stat_enum {
 	DIAG_STAT_X008,

arch/s390/include/asm/fpu/api.h

@@ -45,6 +45,7 @@
 #define _ASM_S390_FPU_API_H
 
 #include <linux/preempt.h>
+#include <asm/asm-extable.h>
 
 void save_fpu_regs(void);
 void load_fpu_regs(void);

arch/s390/include/asm/futex.h

@@ -4,6 +4,7 @@
 
 #include <linux/uaccess.h>
 #include <linux/futex.h>
+#include <asm/asm-extable.h>
 #include <asm/mmu_context.h>
 #include <asm/errno.h>
 

arch/s390/include/asm/linkage.h

@@ -2,27 +2,9 @@
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
-#include <asm/asm-const.h>
 #include <linux/stringify.h>
 
 #define __ALIGN .align 16, 0x07
 #define __ALIGN_STR __stringify(__ALIGN)
 
-/*
- * Helper macro for exception table entries
- */
-
-#define __EX_TABLE(_section, _fault, _target)				\
-	stringify_in_c(.section	_section,"a";)				\
-	stringify_in_c(.align	8;)					\
-	stringify_in_c(.long	(_fault) - .;)				\
-	stringify_in_c(.long	(_target) - .;)				\
-	stringify_in_c(.quad	0;)					\
-	stringify_in_c(.previous)
-
-#define EX_TABLE(_fault, _target)					\
-	__EX_TABLE(__ex_table, _fault, _target)
-#define EX_TABLE_AMODE31(_fault, _target)				\
-	__EX_TABLE(.amode31.ex_table, _fault, _target)
-
 #endif

arch/s390/include/asm/mmu.h

@@ -4,6 +4,7 @@
 
 #include <linux/cpumask.h>
 #include <linux/errno.h>
+#include <asm/asm-extable.h>
 
 typedef struct {
 	spinlock_t lock;

arch/s390/include/asm/uaccess.h

@@ -13,6 +13,7 @@
 /*
  * User space memory access functions
  */
+#include <asm/asm-extable.h>
 #include <asm/processor.h>
 #include <asm/ctl_reg.h>
 #include <asm/extable.h>

arch/s390/kernel/diag.c

@@ -11,6 +11,7 @@
 #include <linux/cpu.h>
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
+#include <asm/asm-extable.h>
 #include <asm/diag.h>
 #include <asm/trace/diag.h>
 #include <asm/sections.h>

arch/s390/kernel/early.c

@@ -17,6 +17,7 @@
 #include <linux/pfn.h>
 #include <linux/uaccess.h>
 #include <linux/kernel.h>
+#include <asm/asm-extable.h>
 #include <asm/diag.h>
 #include <asm/ebcdic.h>
 #include <asm/ipl.h>

arch/s390/kernel/entry.S

@@ -10,6 +10,7 @@
 
 #include <linux/init.h>
 #include <linux/linkage.h>
+#include <asm/asm-extable.h>
 #include <asm/alternative-asm.h>
 #include <asm/processor.h>
 #include <asm/cache.h>

arch/s390/kernel/entry.h

@@ -5,6 +5,7 @@
 #include <linux/percpu.h>
 #include <linux/types.h>
 #include <linux/signal.h>
+#include <asm/extable.h>
 #include <asm/ptrace.h>
 #include <asm/idle.h>
 

arch/s390/kernel/ipl.c

@@ -19,6 +19,7 @@
 #include <linux/gfp.h>
 #include <linux/crash_dump.h>
 #include <linux/debug_locks.h>
+#include <asm/asm-extable.h>
 #include <asm/diag.h>
 #include <asm/ipl.h>
 #include <asm/smp.h>

arch/s390/kernel/sysinfo.c

@@ -14,6 +14,7 @@
 #include <linux/delay.h>
 #include <linux/export.h>
 #include <linux/slab.h>
+#include <asm/asm-extable.h>
 #include <asm/ebcdic.h>
 #include <asm/debug.h>
 #include <asm/sysinfo.h>

arch/s390/kernel/text_amode31.S

@@ -6,6 +6,7 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/asm-extable.h>
 #include <asm/errno.h>
 #include <asm/sigp.h>
 

arch/s390/kernel/traps.c

@@ -27,6 +27,7 @@
 #include <linux/uaccess.h>
 #include <linux/cpu.h>
 #include <linux/entry-common.h>
+#include <asm/asm-extable.h>
 #include <asm/fpu/api.h>
 #include <asm/vtime.h>
 #include "entry.h"

arch/s390/lib/uaccess.c

@@ -13,6 +13,7 @@
 #include <linux/export.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
+#include <asm/asm-extable.h>
 #include <asm/mmu_context.h>
 #include <asm/facility.h>
 

arch/s390/mm/fault.c

@@ -32,6 +32,7 @@
 #include <linux/uaccess.h>
 #include <linux/hugetlb.h>
 #include <linux/kfence.h>
+#include <asm/asm-extable.h>
 #include <asm/asm-offsets.h>
 #include <asm/diag.h>
 #include <asm/gmap.h>

arch/s390/mm/maccess.c

@@ -12,6 +12,7 @@
 #include <linux/errno.h>
 #include <linux/gfp.h>
 #include <linux/cpu.h>
+#include <asm/asm-extable.h>
 #include <asm/ctl_reg.h>
 #include <asm/io.h>
 #include <asm/stacktrace.h>

arch/s390/mm/page-states.c

@@ -14,6 +14,7 @@
 #include <linux/memblock.h>
 #include <linux/gfp.h>
 #include <linux/init.h>
+#include <asm/asm-extable.h>
 #include <asm/facility.h>
 #include <asm/page-states.h>
 

arch/s390/net/bpf_jit_comp.c

@@ -25,6 +25,7 @@
 #include <linux/mm.h>
 #include <linux/kernel.h>
 #include <asm/cacheflush.h>
+#include <asm/extable.h>
 #include <asm/dis.h>
 #include <asm/facility.h>
 #include <asm/nospec-branch.h>

arch/s390/pci/pci_clp.c

@@ -17,6 +17,7 @@
 #include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/uaccess.h>
+#include <asm/asm-extable.h>
 #include <asm/pci_debug.h>
 #include <asm/pci_clp.h>
 #include <asm/clp.h>

arch/s390/pci/pci_insn.c

@@ -9,6 +9,7 @@
 #include <linux/errno.h>
 #include <linux/delay.h>
 #include <linux/jump_label.h>
+#include <asm/asm-extable.h>
 #include <asm/facility.h>
 #include <asm/pci_insn.h>
 #include <asm/pci_debug.h>

arch/s390/pci/pci_mmio.c

@@ -11,6 +11,7 @@
 #include <linux/mm.h>
 #include <linux/errno.h>
 #include <linux/pci.h>
+#include <asm/asm-extable.h>
 #include <asm/pci_io.h>
 #include <asm/pci_debug.h>
 

drivers/s390/block/dasd_diag.c

@@ -19,7 +19,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/jiffies.h>
-
+#include <asm/asm-extable.h>
 #include <asm/dasd.h>
 #include <asm/debug.h>
 #include <asm/diag.h>

drivers/s390/char/diag_ftp.c

@@ -15,6 +15,7 @@
 #include <linux/irq.h>
 #include <linux/wait.h>
 #include <linux/string.h>
+#include <asm/asm-extable.h>
 #include <asm/ctl_reg.h>
 #include <asm/diag.h>
 

drivers/s390/char/sclp.h

@@ -11,6 +11,7 @@
 
 #include <linux/types.h>
 #include <linux/list.h>
+#include <asm/asm-extable.h>
 #include <asm/sclp.h>
 #include <asm/ebcdic.h>
 

drivers/s390/cio/ioasm.c

@@ -5,6 +5,7 @@
 
 #include <linux/export.h>
 
+#include <asm/asm-extable.h>
 #include <asm/chpid.h>
 #include <asm/schid.h>
 #include <asm/crw.h>