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-rw-r--r--arch/s390/kernel/Makefile15
-rw-r--r--arch/s390/kernel/cpcmd.c16
-rw-r--r--arch/s390/kernel/entry64.S18
-rw-r--r--arch/s390/kernel/head.S4
-rw-r--r--arch/s390/kernel/module.c12
-rw-r--r--arch/s390/kernel/process.c12
-rw-r--r--arch/s390/kernel/ptrace.c24
-rw-r--r--arch/s390/kernel/reipl_diag.c2
-rw-r--r--arch/s390/kernel/setup.c14
-rw-r--r--arch/s390/kernel/signal.c2
-rw-r--r--arch/s390/kernel/smp.c8
-rw-r--r--arch/s390/kernel/sys_s390.c12
-rw-r--r--arch/s390/kernel/traps.c10
-rw-r--r--arch/s390/kernel/vmlinux.lds.S2
14 files changed, 72 insertions, 79 deletions
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 7434c32bc631..4865e4b49464 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -8,31 +8,26 @@ obj-y := bitmap.o traps.o time.o process.o \
8 setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \ 8 setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
9 semaphore.o s390_ext.o debug.o profile.o irq.o reipl_diag.o 9 semaphore.o s390_ext.o debug.o profile.o irq.o reipl_diag.o
10 10
11obj-y += $(if $(CONFIG_64BIT),entry64.o,entry.o)
12obj-y += $(if $(CONFIG_64BIT),reipl64.o,reipl.o)
13
11extra-y += head.o init_task.o vmlinux.lds 14extra-y += head.o init_task.o vmlinux.lds
12 15
13obj-$(CONFIG_MODULES) += s390_ksyms.o module.o 16obj-$(CONFIG_MODULES) += s390_ksyms.o module.o
14obj-$(CONFIG_SMP) += smp.o 17obj-$(CONFIG_SMP) += smp.o
15 18
16obj-$(CONFIG_S390_SUPPORT) += compat_linux.o compat_signal.o \ 19obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o \
17 compat_ioctl.o compat_wrapper.o \ 20 compat_ioctl.o compat_wrapper.o \
18 compat_exec_domain.o 21 compat_exec_domain.o
19obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o 22obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o
20 23
21obj-$(CONFIG_ARCH_S390_31) += entry.o reipl.o
22obj-$(CONFIG_ARCH_S390X) += entry64.o reipl64.o
23
24obj-$(CONFIG_VIRT_TIMER) += vtime.o 24obj-$(CONFIG_VIRT_TIMER) += vtime.o
25 25
26# Kexec part 26# Kexec part
27S390_KEXEC_OBJS := machine_kexec.o crash.o 27S390_KEXEC_OBJS := machine_kexec.o crash.o
28ifeq ($(CONFIG_ARCH_S390X),y) 28S390_KEXEC_OBJS += $(if $(CONFIG_64BIT),relocate_kernel64.o,relocate_kernel.o)
29S390_KEXEC_OBJS += relocate_kernel64.o
30else
31S390_KEXEC_OBJS += relocate_kernel.o
32endif
33obj-$(CONFIG_KEXEC) += $(S390_KEXEC_OBJS) 29obj-$(CONFIG_KEXEC) += $(S390_KEXEC_OBJS)
34 30
35
36# 31#
37# This is just to get the dependencies... 32# This is just to get the dependencies...
38# 33#
diff --git a/arch/s390/kernel/cpcmd.c b/arch/s390/kernel/cpcmd.c
index d47fecb42cc5..4ef44e536b2c 100644
--- a/arch/s390/kernel/cpcmd.c
+++ b/arch/s390/kernel/cpcmd.c
@@ -39,7 +39,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code)
39 39
40 if (response != NULL && rlen > 0) { 40 if (response != NULL && rlen > 0) {
41 memset(response, 0, rlen); 41 memset(response, 0, rlen);
42#ifndef CONFIG_ARCH_S390X 42#ifndef CONFIG_64BIT
43 asm volatile ( "lra 2,0(%2)\n" 43 asm volatile ( "lra 2,0(%2)\n"
44 "lr 4,%3\n" 44 "lr 4,%3\n"
45 "o 4,%6\n" 45 "o 4,%6\n"
@@ -55,7 +55,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code)
55 : "a" (cpcmd_buf), "d" (cmdlen), 55 : "a" (cpcmd_buf), "d" (cmdlen),
56 "a" (response), "d" (rlen), "m" (mask) 56 "a" (response), "d" (rlen), "m" (mask)
57 : "cc", "2", "3", "4", "5" ); 57 : "cc", "2", "3", "4", "5" );
58#else /* CONFIG_ARCH_S390X */ 58#else /* CONFIG_64BIT */
59 asm volatile ( "lrag 2,0(%2)\n" 59 asm volatile ( "lrag 2,0(%2)\n"
60 "lgr 4,%3\n" 60 "lgr 4,%3\n"
61 "o 4,%6\n" 61 "o 4,%6\n"
@@ -73,11 +73,11 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code)
73 : "a" (cpcmd_buf), "d" (cmdlen), 73 : "a" (cpcmd_buf), "d" (cmdlen),
74 "a" (response), "d" (rlen), "m" (mask) 74 "a" (response), "d" (rlen), "m" (mask)
75 : "cc", "2", "3", "4", "5" ); 75 : "cc", "2", "3", "4", "5" );
76#endif /* CONFIG_ARCH_S390X */ 76#endif /* CONFIG_64BIT */
77 EBCASC(response, rlen); 77 EBCASC(response, rlen);
78 } else { 78 } else {
79 return_len = 0; 79 return_len = 0;
80#ifndef CONFIG_ARCH_S390X 80#ifndef CONFIG_64BIT
81 asm volatile ( "lra 2,0(%1)\n" 81 asm volatile ( "lra 2,0(%1)\n"
82 "lr 3,%2\n" 82 "lr 3,%2\n"
83 "diag 2,3,0x8\n" 83 "diag 2,3,0x8\n"
@@ -85,7 +85,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code)
85 : "=d" (return_code) 85 : "=d" (return_code)
86 : "a" (cpcmd_buf), "d" (cmdlen) 86 : "a" (cpcmd_buf), "d" (cmdlen)
87 : "2", "3" ); 87 : "2", "3" );
88#else /* CONFIG_ARCH_S390X */ 88#else /* CONFIG_64BIT */
89 asm volatile ( "lrag 2,0(%1)\n" 89 asm volatile ( "lrag 2,0(%1)\n"
90 "lgr 3,%2\n" 90 "lgr 3,%2\n"
91 "sam31\n" 91 "sam31\n"
@@ -95,7 +95,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code)
95 : "=d" (return_code) 95 : "=d" (return_code)
96 : "a" (cpcmd_buf), "d" (cmdlen) 96 : "a" (cpcmd_buf), "d" (cmdlen)
97 : "2", "3" ); 97 : "2", "3" );
98#endif /* CONFIG_ARCH_S390X */ 98#endif /* CONFIG_64BIT */
99 } 99 }
100 spin_unlock_irqrestore(&cpcmd_lock, flags); 100 spin_unlock_irqrestore(&cpcmd_lock, flags);
101 if (response_code != NULL) 101 if (response_code != NULL)
@@ -105,7 +105,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code)
105 105
106EXPORT_SYMBOL(__cpcmd); 106EXPORT_SYMBOL(__cpcmd);
107 107
108#ifdef CONFIG_ARCH_S390X 108#ifdef CONFIG_64BIT
109int cpcmd(const char *cmd, char *response, int rlen, int *response_code) 109int cpcmd(const char *cmd, char *response, int rlen, int *response_code)
110{ 110{
111 char *lowbuf; 111 char *lowbuf;
@@ -129,4 +129,4 @@ int cpcmd(const char *cmd, char *response, int rlen, int *response_code)
129} 129}
130 130
131EXPORT_SYMBOL(cpcmd); 131EXPORT_SYMBOL(cpcmd);
132#endif /* CONFIG_ARCH_S390X */ 132#endif /* CONFIG_64BIT */
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 4eb71ffcf484..369ab4413ec7 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -213,7 +213,7 @@ sysc_nr_ok:
213 mvc SP_ARGS(8,%r15),SP_R7(%r15) 213 mvc SP_ARGS(8,%r15),SP_R7(%r15)
214sysc_do_restart: 214sysc_do_restart:
215 larl %r10,sys_call_table 215 larl %r10,sys_call_table
216#ifdef CONFIG_S390_SUPPORT 216#ifdef CONFIG_COMPAT
217 tm __TI_flags+5(%r9),(_TIF_31BIT>>16) # running in 31 bit mode ? 217 tm __TI_flags+5(%r9),(_TIF_31BIT>>16) # running in 31 bit mode ?
218 jno sysc_noemu 218 jno sysc_noemu
219 larl %r10,sys_call_table_emu # use 31 bit emulation system calls 219 larl %r10,sys_call_table_emu # use 31 bit emulation system calls
@@ -361,7 +361,7 @@ sys_clone_glue:
361 la %r2,SP_PTREGS(%r15) # load pt_regs 361 la %r2,SP_PTREGS(%r15) # load pt_regs
362 jg sys_clone # branch to sys_clone 362 jg sys_clone # branch to sys_clone
363 363
364#ifdef CONFIG_S390_SUPPORT 364#ifdef CONFIG_COMPAT
365sys32_clone_glue: 365sys32_clone_glue:
366 la %r2,SP_PTREGS(%r15) # load pt_regs 366 la %r2,SP_PTREGS(%r15) # load pt_regs
367 jg sys32_clone # branch to sys32_clone 367 jg sys32_clone # branch to sys32_clone
@@ -383,7 +383,7 @@ sys_execve_glue:
383 bnz 0(%r12) # it did fail -> store result in gpr2 383 bnz 0(%r12) # it did fail -> store result in gpr2
384 b 6(%r12) # SKIP STG 2,SP_R2(15) in 384 b 6(%r12) # SKIP STG 2,SP_R2(15) in
385 # system_call/sysc_tracesys 385 # system_call/sysc_tracesys
386#ifdef CONFIG_S390_SUPPORT 386#ifdef CONFIG_COMPAT
387sys32_execve_glue: 387sys32_execve_glue:
388 la %r2,SP_PTREGS(%r15) # load pt_regs 388 la %r2,SP_PTREGS(%r15) # load pt_regs
389 lgr %r12,%r14 # save return address 389 lgr %r12,%r14 # save return address
@@ -398,7 +398,7 @@ sys_sigreturn_glue:
398 la %r2,SP_PTREGS(%r15) # load pt_regs as parameter 398 la %r2,SP_PTREGS(%r15) # load pt_regs as parameter
399 jg sys_sigreturn # branch to sys_sigreturn 399 jg sys_sigreturn # branch to sys_sigreturn
400 400
401#ifdef CONFIG_S390_SUPPORT 401#ifdef CONFIG_COMPAT
402sys32_sigreturn_glue: 402sys32_sigreturn_glue:
403 la %r2,SP_PTREGS(%r15) # load pt_regs as parameter 403 la %r2,SP_PTREGS(%r15) # load pt_regs as parameter
404 jg sys32_sigreturn # branch to sys32_sigreturn 404 jg sys32_sigreturn # branch to sys32_sigreturn
@@ -408,7 +408,7 @@ sys_rt_sigreturn_glue:
408 la %r2,SP_PTREGS(%r15) # load pt_regs as parameter 408 la %r2,SP_PTREGS(%r15) # load pt_regs as parameter
409 jg sys_rt_sigreturn # branch to sys_sigreturn 409 jg sys_rt_sigreturn # branch to sys_sigreturn
410 410
411#ifdef CONFIG_S390_SUPPORT 411#ifdef CONFIG_COMPAT
412sys32_rt_sigreturn_glue: 412sys32_rt_sigreturn_glue:
413 la %r2,SP_PTREGS(%r15) # load pt_regs as parameter 413 la %r2,SP_PTREGS(%r15) # load pt_regs as parameter
414 jg sys32_rt_sigreturn # branch to sys32_sigreturn 414 jg sys32_rt_sigreturn # branch to sys32_sigreturn
@@ -429,7 +429,7 @@ sys_sigsuspend_glue:
429 la %r14,6(%r14) # skip store of return value 429 la %r14,6(%r14) # skip store of return value
430 jg sys_sigsuspend # branch to sys_sigsuspend 430 jg sys_sigsuspend # branch to sys_sigsuspend
431 431
432#ifdef CONFIG_S390_SUPPORT 432#ifdef CONFIG_COMPAT
433sys32_sigsuspend_glue: 433sys32_sigsuspend_glue:
434 llgfr %r4,%r4 # unsigned long 434 llgfr %r4,%r4 # unsigned long
435 lgr %r5,%r4 # move mask back 435 lgr %r5,%r4 # move mask back
@@ -449,7 +449,7 @@ sys_rt_sigsuspend_glue:
449 la %r14,6(%r14) # skip store of return value 449 la %r14,6(%r14) # skip store of return value
450 jg sys_rt_sigsuspend # branch to sys_rt_sigsuspend 450 jg sys_rt_sigsuspend # branch to sys_rt_sigsuspend
451 451
452#ifdef CONFIG_S390_SUPPORT 452#ifdef CONFIG_COMPAT
453sys32_rt_sigsuspend_glue: 453sys32_rt_sigsuspend_glue:
454 llgfr %r3,%r3 # size_t 454 llgfr %r3,%r3 # size_t
455 lgr %r4,%r3 # move sigsetsize parameter 455 lgr %r4,%r3 # move sigsetsize parameter
@@ -464,7 +464,7 @@ sys_sigaltstack_glue:
464 la %r4,SP_PTREGS(%r15) # load pt_regs as parameter 464 la %r4,SP_PTREGS(%r15) # load pt_regs as parameter
465 jg sys_sigaltstack # branch to sys_sigreturn 465 jg sys_sigaltstack # branch to sys_sigreturn
466 466
467#ifdef CONFIG_S390_SUPPORT 467#ifdef CONFIG_COMPAT
468sys32_sigaltstack_glue: 468sys32_sigaltstack_glue:
469 la %r4,SP_PTREGS(%r15) # load pt_regs as parameter 469 la %r4,SP_PTREGS(%r15) # load pt_regs as parameter
470 jg sys32_sigaltstack_wrapper # branch to sys_sigreturn 470 jg sys32_sigaltstack_wrapper # branch to sys_sigreturn
@@ -1009,7 +1009,7 @@ sys_call_table:
1009#include "syscalls.S" 1009#include "syscalls.S"
1010#undef SYSCALL 1010#undef SYSCALL
1011 1011
1012#ifdef CONFIG_S390_SUPPORT 1012#ifdef CONFIG_COMPAT
1013 1013
1014#define SYSCALL(esa,esame,emu) .long emu 1014#define SYSCALL(esa,esame,emu) .long emu
1015 .globl sys_call_table_emu 1015 .globl sys_call_table_emu
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index d31a97c89f68..ea88d066bf04 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -30,7 +30,7 @@
30#include <asm/thread_info.h> 30#include <asm/thread_info.h>
31#include <asm/page.h> 31#include <asm/page.h>
32 32
33#ifdef CONFIG_ARCH_S390X 33#ifdef CONFIG_64BIT
34#define ARCH_OFFSET 4 34#define ARCH_OFFSET 4
35#else 35#else
36#define ARCH_OFFSET 0 36#define ARCH_OFFSET 0
@@ -539,7 +539,7 @@ ipl_devno:
539 .word 0 539 .word 0
540.endm 540.endm
541 541
542#ifdef CONFIG_ARCH_S390X 542#ifdef CONFIG_64BIT
543#include "head64.S" 543#include "head64.S"
544#else 544#else
545#include "head31.S" 545#include "head31.S"
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 607d506689c8..c271cdab58e2 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -37,11 +37,11 @@
37#define DEBUGP(fmt , ...) 37#define DEBUGP(fmt , ...)
38#endif 38#endif
39 39
40#ifndef CONFIG_ARCH_S390X 40#ifndef CONFIG_64BIT
41#define PLT_ENTRY_SIZE 12 41#define PLT_ENTRY_SIZE 12
42#else /* CONFIG_ARCH_S390X */ 42#else /* CONFIG_64BIT */
43#define PLT_ENTRY_SIZE 20 43#define PLT_ENTRY_SIZE 20
44#endif /* CONFIG_ARCH_S390X */ 44#endif /* CONFIG_64BIT */
45 45
46void *module_alloc(unsigned long size) 46void *module_alloc(unsigned long size)
47{ 47{
@@ -294,17 +294,17 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
294 unsigned int *ip; 294 unsigned int *ip;
295 ip = me->module_core + me->arch.plt_offset + 295 ip = me->module_core + me->arch.plt_offset +
296 info->plt_offset; 296 info->plt_offset;
297#ifndef CONFIG_ARCH_S390X 297#ifndef CONFIG_64BIT
298 ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */ 298 ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */
299 ip[1] = 0x100607f1; 299 ip[1] = 0x100607f1;
300 ip[2] = val; 300 ip[2] = val;
301#else /* CONFIG_ARCH_S390X */ 301#else /* CONFIG_64BIT */
302 ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */ 302 ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */
303 ip[1] = 0x100a0004; 303 ip[1] = 0x100a0004;
304 ip[2] = 0x07f10000; 304 ip[2] = 0x07f10000;
305 ip[3] = (unsigned int) (val >> 32); 305 ip[3] = (unsigned int) (val >> 32);
306 ip[4] = (unsigned int) val; 306 ip[4] = (unsigned int) val;
307#endif /* CONFIG_ARCH_S390X */ 307#endif /* CONFIG_64BIT */
308 info->plt_initialized = 1; 308 info->plt_initialized = 1;
309 } 309 }
310 if (r_type == R_390_PLTOFF16 || 310 if (r_type == R_390_PLTOFF16 ||
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 78b64fe5e7c2..a942bf2d58e9 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -235,7 +235,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp,
235 /* Save access registers to new thread structure. */ 235 /* Save access registers to new thread structure. */
236 save_access_regs(&p->thread.acrs[0]); 236 save_access_regs(&p->thread.acrs[0]);
237 237
238#ifndef CONFIG_ARCH_S390X 238#ifndef CONFIG_64BIT
239 /* 239 /*
240 * save fprs to current->thread.fp_regs to merge them with 240 * save fprs to current->thread.fp_regs to merge them with
241 * the emulated registers and then copy the result to the child. 241 * the emulated registers and then copy the result to the child.
@@ -247,7 +247,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp,
247 /* Set a new TLS ? */ 247 /* Set a new TLS ? */
248 if (clone_flags & CLONE_SETTLS) 248 if (clone_flags & CLONE_SETTLS)
249 p->thread.acrs[0] = regs->gprs[6]; 249 p->thread.acrs[0] = regs->gprs[6];
250#else /* CONFIG_ARCH_S390X */ 250#else /* CONFIG_64BIT */
251 /* Save the fpu registers to new thread structure. */ 251 /* Save the fpu registers to new thread structure. */
252 save_fp_regs(&p->thread.fp_regs); 252 save_fp_regs(&p->thread.fp_regs);
253 p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _REGION_TABLE; 253 p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _REGION_TABLE;
@@ -260,7 +260,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp,
260 p->thread.acrs[1] = (unsigned int) regs->gprs[6]; 260 p->thread.acrs[1] = (unsigned int) regs->gprs[6];
261 } 261 }
262 } 262 }
263#endif /* CONFIG_ARCH_S390X */ 263#endif /* CONFIG_64BIT */
264 /* start new process with ar4 pointing to the correct address space */ 264 /* start new process with ar4 pointing to the correct address space */
265 p->thread.mm_segment = get_fs(); 265 p->thread.mm_segment = get_fs();
266 /* Don't copy debug registers */ 266 /* Don't copy debug registers */
@@ -339,16 +339,16 @@ out:
339 */ 339 */
340int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs) 340int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs)
341{ 341{
342#ifndef CONFIG_ARCH_S390X 342#ifndef CONFIG_64BIT
343 /* 343 /*
344 * save fprs to current->thread.fp_regs to merge them with 344 * save fprs to current->thread.fp_regs to merge them with
345 * the emulated registers and then copy the result to the dump. 345 * the emulated registers and then copy the result to the dump.
346 */ 346 */
347 save_fp_regs(&current->thread.fp_regs); 347 save_fp_regs(&current->thread.fp_regs);
348 memcpy(fpregs, &current->thread.fp_regs, sizeof(s390_fp_regs)); 348 memcpy(fpregs, &current->thread.fp_regs, sizeof(s390_fp_regs));
349#else /* CONFIG_ARCH_S390X */ 349#else /* CONFIG_64BIT */
350 save_fp_regs(fpregs); 350 save_fp_regs(fpregs);
351#endif /* CONFIG_ARCH_S390X */ 351#endif /* CONFIG_64BIT */
352 return 1; 352 return 1;
353} 353}
354 354
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 06afa3103ace..8ecda6d66de4 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -42,7 +42,7 @@
42#include <asm/uaccess.h> 42#include <asm/uaccess.h>
43#include <asm/unistd.h> 43#include <asm/unistd.h>
44 44
45#ifdef CONFIG_S390_SUPPORT 45#ifdef CONFIG_COMPAT
46#include "compat_ptrace.h" 46#include "compat_ptrace.h"
47#endif 47#endif
48 48
@@ -59,7 +59,7 @@ FixPerRegisters(struct task_struct *task)
59 59
60 if (per_info->single_step) { 60 if (per_info->single_step) {
61 per_info->control_regs.bits.starting_addr = 0; 61 per_info->control_regs.bits.starting_addr = 0;
62#ifdef CONFIG_S390_SUPPORT 62#ifdef CONFIG_COMPAT
63 if (test_thread_flag(TIF_31BIT)) 63 if (test_thread_flag(TIF_31BIT))
64 per_info->control_regs.bits.ending_addr = 0x7fffffffUL; 64 per_info->control_regs.bits.ending_addr = 0x7fffffffUL;
65 else 65 else
@@ -112,7 +112,7 @@ ptrace_disable(struct task_struct *child)
112 clear_single_step(child); 112 clear_single_step(child);
113} 113}
114 114
115#ifndef CONFIG_ARCH_S390X 115#ifndef CONFIG_64BIT
116# define __ADDR_MASK 3 116# define __ADDR_MASK 3
117#else 117#else
118# define __ADDR_MASK 7 118# define __ADDR_MASK 7
@@ -138,7 +138,7 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data)
138 * an alignment of 4. Programmers from hell... 138 * an alignment of 4. Programmers from hell...
139 */ 139 */
140 mask = __ADDR_MASK; 140 mask = __ADDR_MASK;
141#ifdef CONFIG_ARCH_S390X 141#ifdef CONFIG_64BIT
142 if (addr >= (addr_t) &dummy->regs.acrs && 142 if (addr >= (addr_t) &dummy->regs.acrs &&
143 addr < (addr_t) &dummy->regs.orig_gpr2) 143 addr < (addr_t) &dummy->regs.orig_gpr2)
144 mask = 3; 144 mask = 3;
@@ -160,7 +160,7 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data)
160 * access registers are stored in the thread structure 160 * access registers are stored in the thread structure
161 */ 161 */
162 offset = addr - (addr_t) &dummy->regs.acrs; 162 offset = addr - (addr_t) &dummy->regs.acrs;
163#ifdef CONFIG_ARCH_S390X 163#ifdef CONFIG_64BIT
164 /* 164 /*
165 * Very special case: old & broken 64 bit gdb reading 165 * Very special case: old & broken 64 bit gdb reading
166 * from acrs[15]. Result is a 64 bit value. Read the 166 * from acrs[15]. Result is a 64 bit value. Read the
@@ -218,7 +218,7 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
218 * an alignment of 4. Programmers from hell indeed... 218 * an alignment of 4. Programmers from hell indeed...
219 */ 219 */
220 mask = __ADDR_MASK; 220 mask = __ADDR_MASK;
221#ifdef CONFIG_ARCH_S390X 221#ifdef CONFIG_64BIT
222 if (addr >= (addr_t) &dummy->regs.acrs && 222 if (addr >= (addr_t) &dummy->regs.acrs &&
223 addr < (addr_t) &dummy->regs.orig_gpr2) 223 addr < (addr_t) &dummy->regs.orig_gpr2)
224 mask = 3; 224 mask = 3;
@@ -231,13 +231,13 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
231 * psw and gprs are stored on the stack 231 * psw and gprs are stored on the stack
232 */ 232 */
233 if (addr == (addr_t) &dummy->regs.psw.mask && 233 if (addr == (addr_t) &dummy->regs.psw.mask &&
234#ifdef CONFIG_S390_SUPPORT 234#ifdef CONFIG_COMPAT
235 data != PSW_MASK_MERGE(PSW_USER32_BITS, data) && 235 data != PSW_MASK_MERGE(PSW_USER32_BITS, data) &&
236#endif 236#endif
237 data != PSW_MASK_MERGE(PSW_USER_BITS, data)) 237 data != PSW_MASK_MERGE(PSW_USER_BITS, data))
238 /* Invalid psw mask. */ 238 /* Invalid psw mask. */
239 return -EINVAL; 239 return -EINVAL;
240#ifndef CONFIG_ARCH_S390X 240#ifndef CONFIG_64BIT
241 if (addr == (addr_t) &dummy->regs.psw.addr) 241 if (addr == (addr_t) &dummy->regs.psw.addr)
242 /* I'd like to reject addresses without the 242 /* I'd like to reject addresses without the
243 high order bit but older gdb's rely on it */ 243 high order bit but older gdb's rely on it */
@@ -250,7 +250,7 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
250 * access registers are stored in the thread structure 250 * access registers are stored in the thread structure
251 */ 251 */
252 offset = addr - (addr_t) &dummy->regs.acrs; 252 offset = addr - (addr_t) &dummy->regs.acrs;
253#ifdef CONFIG_ARCH_S390X 253#ifdef CONFIG_64BIT
254 /* 254 /*
255 * Very special case: old & broken 64 bit gdb writing 255 * Very special case: old & broken 64 bit gdb writing
256 * to acrs[15] with a 64 bit value. Ignore the lower 256 * to acrs[15] with a 64 bit value. Ignore the lower
@@ -357,7 +357,7 @@ do_ptrace_normal(struct task_struct *child, long request, long addr, long data)
357 return ptrace_request(child, request, addr, data); 357 return ptrace_request(child, request, addr, data);
358} 358}
359 359
360#ifdef CONFIG_S390_SUPPORT 360#ifdef CONFIG_COMPAT
361/* 361/*
362 * Now the fun part starts... a 31 bit program running in the 362 * Now the fun part starts... a 31 bit program running in the
363 * 31 bit emulation tracing another program. PTRACE_PEEKTEXT, 363 * 31 bit emulation tracing another program. PTRACE_PEEKTEXT,
@@ -629,7 +629,7 @@ do_ptrace(struct task_struct *child, long request, long addr, long data)
629 return peek_user(child, addr, data); 629 return peek_user(child, addr, data);
630 if (request == PTRACE_POKEUSR && addr == PT_IEEE_IP) 630 if (request == PTRACE_POKEUSR && addr == PT_IEEE_IP)
631 return poke_user(child, addr, data); 631 return poke_user(child, addr, data);
632#ifdef CONFIG_S390_SUPPORT 632#ifdef CONFIG_COMPAT
633 if (request == PTRACE_PEEKUSR && 633 if (request == PTRACE_PEEKUSR &&
634 addr == PT32_IEEE_IP && test_thread_flag(TIF_31BIT)) 634 addr == PT32_IEEE_IP && test_thread_flag(TIF_31BIT))
635 return peek_user_emu31(child, addr, data); 635 return peek_user_emu31(child, addr, data);
@@ -695,7 +695,7 @@ do_ptrace(struct task_struct *child, long request, long addr, long data)
695 695
696 /* Do requests that differ for 31/64 bit */ 696 /* Do requests that differ for 31/64 bit */
697 default: 697 default:
698#ifdef CONFIG_S390_SUPPORT 698#ifdef CONFIG_COMPAT
699 if (test_thread_flag(TIF_31BIT)) 699 if (test_thread_flag(TIF_31BIT))
700 return do_ptrace_emu31(child, request, addr, data); 700 return do_ptrace_emu31(child, request, addr, data);
701#endif 701#endif
diff --git a/arch/s390/kernel/reipl_diag.c b/arch/s390/kernel/reipl_diag.c
index 83cb42bc0b76..1f33951ba439 100644
--- a/arch/s390/kernel/reipl_diag.c
+++ b/arch/s390/kernel/reipl_diag.c
@@ -26,7 +26,7 @@ void reipl_diag(void)
26 " st %%r4,%0\n" 26 " st %%r4,%0\n"
27 " st %%r5,%1\n" 27 " st %%r5,%1\n"
28 ".section __ex_table,\"a\"\n" 28 ".section __ex_table,\"a\"\n"
29#ifdef __s390x__ 29#ifdef CONFIG_64BIT
30 " .align 8\n" 30 " .align 8\n"
31 " .quad 0b, 0b\n" 31 " .quad 0b, 0b\n"
32#else 32#else
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 31e7b19348b7..b03847d100d9 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -427,7 +427,7 @@ setup_lowcore(void)
427 __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0) + PAGE_SIZE; 427 __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0) + PAGE_SIZE;
428 lc->current_task = (unsigned long) init_thread_union.thread_info.task; 428 lc->current_task = (unsigned long) init_thread_union.thread_info.task;
429 lc->thread_info = (unsigned long) &init_thread_union; 429 lc->thread_info = (unsigned long) &init_thread_union;
430#ifndef CONFIG_ARCH_S390X 430#ifndef CONFIG_64BIT
431 if (MACHINE_HAS_IEEE) { 431 if (MACHINE_HAS_IEEE) {
432 lc->extended_save_area_addr = (__u32) 432 lc->extended_save_area_addr = (__u32)
433 __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0); 433 __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0);
@@ -562,21 +562,21 @@ setup_arch(char **cmdline_p)
562 /* 562 /*
563 * print what head.S has found out about the machine 563 * print what head.S has found out about the machine
564 */ 564 */
565#ifndef CONFIG_ARCH_S390X 565#ifndef CONFIG_64BIT
566 printk((MACHINE_IS_VM) ? 566 printk((MACHINE_IS_VM) ?
567 "We are running under VM (31 bit mode)\n" : 567 "We are running under VM (31 bit mode)\n" :
568 "We are running native (31 bit mode)\n"); 568 "We are running native (31 bit mode)\n");
569 printk((MACHINE_HAS_IEEE) ? 569 printk((MACHINE_HAS_IEEE) ?
570 "This machine has an IEEE fpu\n" : 570 "This machine has an IEEE fpu\n" :
571 "This machine has no IEEE fpu\n"); 571 "This machine has no IEEE fpu\n");
572#else /* CONFIG_ARCH_S390X */ 572#else /* CONFIG_64BIT */
573 printk((MACHINE_IS_VM) ? 573 printk((MACHINE_IS_VM) ?
574 "We are running under VM (64 bit mode)\n" : 574 "We are running under VM (64 bit mode)\n" :
575 "We are running native (64 bit mode)\n"); 575 "We are running native (64 bit mode)\n");
576#endif /* CONFIG_ARCH_S390X */ 576#endif /* CONFIG_64BIT */
577 577
578 ROOT_DEV = Root_RAM0; 578 ROOT_DEV = Root_RAM0;
579#ifndef CONFIG_ARCH_S390X 579#ifndef CONFIG_64BIT
580 memory_end = memory_size & ~0x400000UL; /* align memory end to 4MB */ 580 memory_end = memory_size & ~0x400000UL; /* align memory end to 4MB */
581 /* 581 /*
582 * We need some free virtual space to be able to do vmalloc. 582 * We need some free virtual space to be able to do vmalloc.
@@ -585,9 +585,9 @@ setup_arch(char **cmdline_p)
585 */ 585 */
586 if (memory_end > 1920*1024*1024) 586 if (memory_end > 1920*1024*1024)
587 memory_end = 1920*1024*1024; 587 memory_end = 1920*1024*1024;
588#else /* CONFIG_ARCH_S390X */ 588#else /* CONFIG_64BIT */
589 memory_end = memory_size & ~0x200000UL; /* detected in head.s */ 589 memory_end = memory_size & ~0x200000UL; /* detected in head.s */
590#endif /* CONFIG_ARCH_S390X */ 590#endif /* CONFIG_64BIT */
591 591
592 init_mm.start_code = PAGE_OFFSET; 592 init_mm.start_code = PAGE_OFFSET;
593 init_mm.end_code = (unsigned long) &_etext; 593 init_mm.end_code = (unsigned long) &_etext;
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 13592d00a10f..6ae4a77270b5 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -501,7 +501,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
501 501
502 if (signr > 0) { 502 if (signr > 0) {
503 /* Whee! Actually deliver the signal. */ 503 /* Whee! Actually deliver the signal. */
504#ifdef CONFIG_S390_SUPPORT 504#ifdef CONFIG_COMPAT
505 if (test_thread_flag(TIF_31BIT)) { 505 if (test_thread_flag(TIF_31BIT)) {
506 extern void handle_signal32(unsigned long sig, 506 extern void handle_signal32(unsigned long sig,
507 struct k_sigaction *ka, 507 struct k_sigaction *ka,
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index bd5b311006be..e10f4ca00499 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -402,7 +402,7 @@ static void smp_ext_bitcall_others(ec_bit_sig sig)
402 } 402 }
403} 403}
404 404
405#ifndef CONFIG_ARCH_S390X 405#ifndef CONFIG_64BIT
406/* 406/*
407 * this function sends a 'purge tlb' signal to another CPU. 407 * this function sends a 'purge tlb' signal to another CPU.
408 */ 408 */
@@ -416,7 +416,7 @@ void smp_ptlb_all(void)
416 on_each_cpu(smp_ptlb_callback, NULL, 0, 1); 416 on_each_cpu(smp_ptlb_callback, NULL, 0, 1);
417} 417}
418EXPORT_SYMBOL(smp_ptlb_all); 418EXPORT_SYMBOL(smp_ptlb_all);
419#endif /* ! CONFIG_ARCH_S390X */ 419#endif /* ! CONFIG_64BIT */
420 420
421/* 421/*
422 * this function sends a 'reschedule' IPI to another CPU. 422 * this function sends a 'reschedule' IPI to another CPU.
@@ -783,7 +783,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
783 if (stack == 0ULL) 783 if (stack == 0ULL)
784 panic("smp_boot_cpus failed to allocate memory\n"); 784 panic("smp_boot_cpus failed to allocate memory\n");
785 lowcore_ptr[i]->panic_stack = stack + (PAGE_SIZE); 785 lowcore_ptr[i]->panic_stack = stack + (PAGE_SIZE);
786#ifndef __s390x__ 786#ifndef CONFIG_64BIT
787 if (MACHINE_HAS_IEEE) { 787 if (MACHINE_HAS_IEEE) {
788 lowcore_ptr[i]->extended_save_area_addr = 788 lowcore_ptr[i]->extended_save_area_addr =
789 (__u32) __get_free_pages(GFP_KERNEL,0); 789 (__u32) __get_free_pages(GFP_KERNEL,0);
@@ -793,7 +793,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
793 } 793 }
794#endif 794#endif
795 } 795 }
796#ifndef __s390x__ 796#ifndef CONFIG_64BIT
797 if (MACHINE_HAS_IEEE) 797 if (MACHINE_HAS_IEEE)
798 ctl_set_bit(14, 29); /* enable extended save area */ 798 ctl_set_bit(14, 29); /* enable extended save area */
799#endif 799#endif
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index efe6b83b53f7..6a63553493c5 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -26,9 +26,7 @@
26#include <linux/mman.h> 26#include <linux/mman.h>
27#include <linux/file.h> 27#include <linux/file.h>
28#include <linux/utsname.h> 28#include <linux/utsname.h>
29#ifdef CONFIG_ARCH_S390X
30#include <linux/personality.h> 29#include <linux/personality.h>
31#endif /* CONFIG_ARCH_S390X */
32 30
33#include <asm/uaccess.h> 31#include <asm/uaccess.h>
34#include <asm/ipc.h> 32#include <asm/ipc.h>
@@ -121,7 +119,7 @@ out:
121 return error; 119 return error;
122} 120}
123 121
124#ifndef CONFIG_ARCH_S390X 122#ifndef CONFIG_64BIT
125struct sel_arg_struct { 123struct sel_arg_struct {
126 unsigned long n; 124 unsigned long n;
127 fd_set *inp, *outp, *exp; 125 fd_set *inp, *outp, *exp;
@@ -138,7 +136,7 @@ asmlinkage long old_select(struct sel_arg_struct __user *arg)
138 return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); 136 return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
139 137
140} 138}
141#endif /* CONFIG_ARCH_S390X */ 139#endif /* CONFIG_64BIT */
142 140
143/* 141/*
144 * sys_ipc() is the de-multiplexer for the SysV IPC calls.. 142 * sys_ipc() is the de-multiplexer for the SysV IPC calls..
@@ -211,7 +209,7 @@ asmlinkage long sys_ipc(uint call, int first, unsigned long second,
211 return -EINVAL; 209 return -EINVAL;
212} 210}
213 211
214#ifdef CONFIG_ARCH_S390X 212#ifdef CONFIG_64BIT
215asmlinkage long s390x_newuname(struct new_utsname __user *name) 213asmlinkage long s390x_newuname(struct new_utsname __user *name)
216{ 214{
217 int ret = sys_newuname(name); 215 int ret = sys_newuname(name);
@@ -235,12 +233,12 @@ asmlinkage long s390x_personality(unsigned long personality)
235 233
236 return ret; 234 return ret;
237} 235}
238#endif /* CONFIG_ARCH_S390X */ 236#endif /* CONFIG_64BIT */
239 237
240/* 238/*
241 * Wrapper function for sys_fadvise64/fadvise64_64 239 * Wrapper function for sys_fadvise64/fadvise64_64
242 */ 240 */
243#ifndef CONFIG_ARCH_S390X 241#ifndef CONFIG_64BIT
244 242
245asmlinkage long 243asmlinkage long
246s390_fadvise64(int fd, u32 offset_high, u32 offset_low, size_t len, int advice) 244s390_fadvise64(int fd, u32 offset_high, u32 offset_low, size_t len, int advice)
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index c5bd36fae56b..95d109968619 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -67,13 +67,13 @@ extern pgm_check_handler_t do_monitor_call;
67 67
68#define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; }) 68#define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; })
69 69
70#ifndef CONFIG_ARCH_S390X 70#ifndef CONFIG_64BIT
71#define FOURLONG "%08lx %08lx %08lx %08lx\n" 71#define FOURLONG "%08lx %08lx %08lx %08lx\n"
72static int kstack_depth_to_print = 12; 72static int kstack_depth_to_print = 12;
73#else /* CONFIG_ARCH_S390X */ 73#else /* CONFIG_64BIT */
74#define FOURLONG "%016lx %016lx %016lx %016lx\n" 74#define FOURLONG "%016lx %016lx %016lx %016lx\n"
75static int kstack_depth_to_print = 20; 75static int kstack_depth_to_print = 20;
76#endif /* CONFIG_ARCH_S390X */ 76#endif /* CONFIG_64BIT */
77 77
78/* 78/*
79 * For show_trace we have tree different stack to consider: 79 * For show_trace we have tree different stack to consider:
@@ -702,12 +702,12 @@ void __init trap_init(void)
702 pgm_check_table[0x11] = &do_dat_exception; 702 pgm_check_table[0x11] = &do_dat_exception;
703 pgm_check_table[0x12] = &translation_exception; 703 pgm_check_table[0x12] = &translation_exception;
704 pgm_check_table[0x13] = &special_op_exception; 704 pgm_check_table[0x13] = &special_op_exception;
705#ifdef CONFIG_ARCH_S390X 705#ifdef CONFIG_64BIT
706 pgm_check_table[0x38] = &do_dat_exception; 706 pgm_check_table[0x38] = &do_dat_exception;
707 pgm_check_table[0x39] = &do_dat_exception; 707 pgm_check_table[0x39] = &do_dat_exception;
708 pgm_check_table[0x3A] = &do_dat_exception; 708 pgm_check_table[0x3A] = &do_dat_exception;
709 pgm_check_table[0x3B] = &do_dat_exception; 709 pgm_check_table[0x3B] = &do_dat_exception;
710#endif /* CONFIG_ARCH_S390X */ 710#endif /* CONFIG_64BIT */
711 pgm_check_table[0x15] = &operand_exception; 711 pgm_check_table[0x15] = &operand_exception;
712 pgm_check_table[0x1C] = &space_switch_exception; 712 pgm_check_table[0x1C] = &space_switch_exception;
713 pgm_check_table[0x1D] = &hfp_sqrt_exception; 713 pgm_check_table[0x1D] = &hfp_sqrt_exception;
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 89fdb3808bc0..9289face3027 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -5,7 +5,7 @@
5#include <asm-generic/vmlinux.lds.h> 5#include <asm-generic/vmlinux.lds.h>
6#include <linux/config.h> 6#include <linux/config.h>
7 7
8#ifndef CONFIG_ARCH_S390X 8#ifndef CONFIG_64BIT
9OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") 9OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
10OUTPUT_ARCH(s390) 10OUTPUT_ARCH(s390)
11ENTRY(_start) 11ENTRY(_start)