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-rw-r--r--arch/openrisc/Kconfig1
-rw-r--r--arch/openrisc/include/asm/page.h6
-rw-r--r--arch/openrisc/include/asm/processor.h4
-rw-r--r--arch/openrisc/include/asm/ptrace.h6
-rw-r--r--arch/openrisc/include/asm/syscall.h7
-rw-r--r--arch/openrisc/include/asm/uaccess.h1
-rw-r--r--arch/openrisc/kernel/entry.S16
-rw-r--r--arch/openrisc/kernel/head.S17
-rw-r--r--arch/openrisc/kernel/ptrace.c4
-rw-r--r--arch/openrisc/kernel/setup.c18
-rw-r--r--arch/openrisc/kernel/signal.c47
-rw-r--r--arch/openrisc/kernel/time.c13
-rw-r--r--arch/openrisc/kernel/traps.c9
-rw-r--r--arch/openrisc/mm/init.c3
14 files changed, 77 insertions, 75 deletions
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index bc428b5f126c..a4787197d8fe 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -16,6 +16,7 @@ config OPENRISC
16 select GENERIC_IRQ_SHOW 16 select GENERIC_IRQ_SHOW
17 select GENERIC_IOMAP 17 select GENERIC_IOMAP
18 select GENERIC_CPU_DEVICES 18 select GENERIC_CPU_DEVICES
19 select GENERIC_ATOMIC64
19 20
20config MMU 21config MMU
21 def_bool y 22 def_bool y
diff --git a/arch/openrisc/include/asm/page.h b/arch/openrisc/include/asm/page.h
index b041b344b229..108906f991d6 100644
--- a/arch/openrisc/include/asm/page.h
+++ b/arch/openrisc/include/asm/page.h
@@ -71,9 +71,6 @@ typedef struct page *pgtable_t;
71#define __pgd(x) ((pgd_t) { (x) }) 71#define __pgd(x) ((pgd_t) { (x) })
72#define __pgprot(x) ((pgprot_t) { (x) }) 72#define __pgprot(x) ((pgprot_t) { (x) })
73 73
74extern unsigned long memory_start;
75extern unsigned long memory_end;
76
77#endif /* !__ASSEMBLY__ */ 74#endif /* !__ASSEMBLY__ */
78 75
79 76
@@ -94,8 +91,7 @@ extern unsigned long memory_end;
94 91
95#define pfn_valid(pfn) ((pfn) < max_mapnr) 92#define pfn_valid(pfn) ((pfn) < max_mapnr)
96 93
97#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ 94#define virt_addr_valid(kaddr) (pfn_valid(virt_to_pfn(kaddr)))
98 ((void *)(kaddr) < (void *)memory_end))
99 95
100#endif /* __ASSEMBLY__ */ 96#endif /* __ASSEMBLY__ */
101 97
diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h
index bb54c97b9783..f7516fa78b58 100644
--- a/arch/openrisc/include/asm/processor.h
+++ b/arch/openrisc/include/asm/processor.h
@@ -81,8 +81,8 @@ extern inline void prepare_to_copy(struct task_struct *tsk)
81#define INIT_THREAD { } 81#define INIT_THREAD { }
82 82
83 83
84#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc); 84#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)
85#define KSTK_ESP(tsk) (task_pt_regs(tsk)->sp); 85#define KSTK_ESP(tsk) (task_pt_regs(tsk)->sp)
86 86
87 87
88extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); 88extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h
index e612ce4512c7..4651a737591d 100644
--- a/arch/openrisc/include/asm/ptrace.h
+++ b/arch/openrisc/include/asm/ptrace.h
@@ -73,9 +73,13 @@ struct pt_regs {
73 }; 73 };
74 }; 74 };
75 long pc; 75 long pc;
76 /* For restarting system calls:
77 * Set to syscall number for syscall exceptions,
78 * -1 for all other exceptions.
79 */
76 long orig_gpr11; /* For restarting system calls */ 80 long orig_gpr11; /* For restarting system calls */
77 long syscallno; /* Syscall number (used by strace) */
78 long dummy; /* Cheap alignment fix */ 81 long dummy; /* Cheap alignment fix */
82 long dummy2; /* Cheap alignment fix */
79}; 83};
80 84
81/* TODO: Rename this to REDZONE because that's what it is */ 85/* TODO: Rename this to REDZONE because that's what it is */
diff --git a/arch/openrisc/include/asm/syscall.h b/arch/openrisc/include/asm/syscall.h
index 9f0337055d26..b752bb67891d 100644
--- a/arch/openrisc/include/asm/syscall.h
+++ b/arch/openrisc/include/asm/syscall.h
@@ -25,7 +25,7 @@
25static inline int 25static inline int
26syscall_get_nr(struct task_struct *task, struct pt_regs *regs) 26syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
27{ 27{
28 return regs->syscallno ? regs->syscallno : -1; 28 return regs->orig_gpr11;
29} 29}
30 30
31static inline void 31static inline void
@@ -50,10 +50,7 @@ static inline void
50syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, 50syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
51 int error, long val) 51 int error, long val)
52{ 52{
53 if (error) 53 regs->gpr[11] = (long) error ?: val;
54 regs->gpr[11] = -error;
55 else
56 regs->gpr[11] = val;
57} 54}
58 55
59static inline void 56static inline void
diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h
index c310e45b538e..f5abaa0ffc38 100644
--- a/arch/openrisc/include/asm/uaccess.h
+++ b/arch/openrisc/include/asm/uaccess.h
@@ -26,7 +26,6 @@
26#include <linux/thread_info.h> 26#include <linux/thread_info.h>
27#include <linux/prefetch.h> 27#include <linux/prefetch.h>
28#include <linux/string.h> 28#include <linux/string.h>
29#include <linux/thread_info.h>
30#include <asm/page.h> 29#include <asm/page.h>
31 30
32#define VERIFY_READ 0 31#define VERIFY_READ 0
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index d5f9c35a583f..6e61af8682b8 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -95,7 +95,6 @@ handler: ;\
95 /* r1, EPCR, ESR a already saved */ ;\ 95 /* r1, EPCR, ESR a already saved */ ;\
96 l.sw PT_GPR2(r1),r2 ;\ 96 l.sw PT_GPR2(r1),r2 ;\
97 l.sw PT_GPR3(r1),r3 ;\ 97 l.sw PT_GPR3(r1),r3 ;\
98 l.sw PT_ORIG_GPR11(r1),r11 ;\
99 /* r4 already save */ ;\ 98 /* r4 already save */ ;\
100 l.sw PT_GPR5(r1),r5 ;\ 99 l.sw PT_GPR5(r1),r5 ;\
101 l.sw PT_GPR6(r1),r6 ;\ 100 l.sw PT_GPR6(r1),r6 ;\
@@ -125,7 +124,9 @@ handler: ;\
125 /* r30 already save */ ;\ 124 /* r30 already save */ ;\
126/* l.sw PT_GPR30(r1),r30*/ ;\ 125/* l.sw PT_GPR30(r1),r30*/ ;\
127 l.sw PT_GPR31(r1),r31 ;\ 126 l.sw PT_GPR31(r1),r31 ;\
128 l.sw PT_SYSCALLNO(r1),r0 127 /* Store -1 in orig_gpr11 for non-syscall exceptions */ ;\
128 l.addi r30,r0,-1 ;\
129 l.sw PT_ORIG_GPR11(r1),r30
129 130
130#define UNHANDLED_EXCEPTION(handler,vector) \ 131#define UNHANDLED_EXCEPTION(handler,vector) \
131 .global handler ;\ 132 .global handler ;\
@@ -133,7 +134,6 @@ handler: ;\
133 /* r1, EPCR, ESR already saved */ ;\ 134 /* r1, EPCR, ESR already saved */ ;\
134 l.sw PT_GPR2(r1),r2 ;\ 135 l.sw PT_GPR2(r1),r2 ;\
135 l.sw PT_GPR3(r1),r3 ;\ 136 l.sw PT_GPR3(r1),r3 ;\
136 l.sw PT_ORIG_GPR11(r1),r11 ;\
137 l.sw PT_GPR5(r1),r5 ;\ 137 l.sw PT_GPR5(r1),r5 ;\
138 l.sw PT_GPR6(r1),r6 ;\ 138 l.sw PT_GPR6(r1),r6 ;\
139 l.sw PT_GPR7(r1),r7 ;\ 139 l.sw PT_GPR7(r1),r7 ;\
@@ -162,7 +162,9 @@ handler: ;\
162 /* r31 already saved */ ;\ 162 /* r31 already saved */ ;\
163 l.sw PT_GPR30(r1),r30 ;\ 163 l.sw PT_GPR30(r1),r30 ;\
164/* l.sw PT_GPR31(r1),r31 */ ;\ 164/* l.sw PT_GPR31(r1),r31 */ ;\
165 l.sw PT_SYSCALLNO(r1),r0 ;\ 165 /* Store -1 in orig_gpr11 for non-syscall exceptions */ ;\
166 l.addi r30,r0,-1 ;\
167 l.sw PT_ORIG_GPR11(r1),r30 ;\
166 l.addi r3,r1,0 ;\ 168 l.addi r3,r1,0 ;\
167 /* r4 is exception EA */ ;\ 169 /* r4 is exception EA */ ;\
168 l.addi r5,r0,vector ;\ 170 l.addi r5,r0,vector ;\
@@ -554,6 +556,7 @@ ENTRY(_sys_call_handler)
554 l.sw PT_GPR9(r1),r9 556 l.sw PT_GPR9(r1),r9
555 /* r10 already saved */ 557 /* r10 already saved */
556 l.sw PT_GPR11(r1),r11 558 l.sw PT_GPR11(r1),r11
559 /* orig_gpr11 must be set for syscalls */
557 l.sw PT_ORIG_GPR11(r1),r11 560 l.sw PT_ORIG_GPR11(r1),r11
558 /* r12,r13 already saved */ 561 /* r12,r13 already saved */
559 562
@@ -567,9 +570,6 @@ ENTRY(_sys_call_handler)
567 /* r30 is the only register we clobber in the fast path */ 570 /* r30 is the only register we clobber in the fast path */
568 /* r30 already saved */ 571 /* r30 already saved */
569/* l.sw PT_GPR30(r1),r30 */ 572/* l.sw PT_GPR30(r1),r30 */
570 /* This is used by do_signal to determine whether to check for
571 * syscall restart or not */
572 l.sw PT_SYSCALLNO(r1),r11
573 573
574_syscall_check_trace_enter: 574_syscall_check_trace_enter:
575 /* If TIF_SYSCALL_TRACE is set, then we want to do syscall tracing */ 575 /* If TIF_SYSCALL_TRACE is set, then we want to do syscall tracing */
@@ -731,7 +731,7 @@ _syscall_trace_enter:
731 * so that we can do the syscall for real and return to the syscall 731 * so that we can do the syscall for real and return to the syscall
732 * hot path. 732 * hot path.
733 */ 733 */
734 l.lwz r11,PT_SYSCALLNO(r1) 734 l.lwz r11,PT_GPR11(r1)
735 l.lwz r3,PT_GPR3(r1) 735 l.lwz r3,PT_GPR3(r1)
736 l.lwz r4,PT_GPR4(r1) 736 l.lwz r4,PT_GPR4(r1)
737 l.lwz r5,PT_GPR5(r1) 737 l.lwz r5,PT_GPR5(r1)
diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S
index c75018d22644..1088b5fca3bd 100644
--- a/arch/openrisc/kernel/head.S
+++ b/arch/openrisc/kernel/head.S
@@ -26,6 +26,7 @@
26#include <asm/cache.h> 26#include <asm/cache.h>
27#include <asm/spr_defs.h> 27#include <asm/spr_defs.h>
28#include <asm/asm-offsets.h> 28#include <asm/asm-offsets.h>
29#include <linux/of_fdt.h>
29 30
30#define tophys(rd,rs) \ 31#define tophys(rd,rs) \
31 l.movhi rd,hi(-KERNELBASE) ;\ 32 l.movhi rd,hi(-KERNELBASE) ;\
@@ -440,6 +441,9 @@ _dispatch_do_ipage_fault:
440 __HEAD 441 __HEAD
441 .global _start 442 .global _start
442_start: 443_start:
444 /* save kernel parameters */
445 l.or r25,r0,r3 /* pointer to fdt */
446
443 /* 447 /*
444 * ensure a deterministic start 448 * ensure a deterministic start
445 */ 449 */
@@ -471,7 +475,6 @@ _start:
471 CLEAR_GPR(r22) 475 CLEAR_GPR(r22)
472 CLEAR_GPR(r23) 476 CLEAR_GPR(r23)
473 CLEAR_GPR(r24) 477 CLEAR_GPR(r24)
474 CLEAR_GPR(r25)
475 CLEAR_GPR(r26) 478 CLEAR_GPR(r26)
476 CLEAR_GPR(r27) 479 CLEAR_GPR(r27)
477 CLEAR_GPR(r28) 480 CLEAR_GPR(r28)
@@ -565,6 +568,18 @@ enable_mmu:
565 // reset the simulation counters 568 // reset the simulation counters
566 l.nop 5 569 l.nop 5
567 570
571 /* check fdt header magic word */
572 l.lwz r3,0(r25) /* load magic from fdt into r3 */
573 l.movhi r4,hi(OF_DT_HEADER)
574 l.ori r4,r4,lo(OF_DT_HEADER)
575 l.sfeq r3,r4
576 l.bf _fdt_found
577 l.nop
578 /* magic number mismatch, set fdt pointer to null */
579 l.or r25,r0,r0
580_fdt_found:
581 /* pass fdt pointer to or32_early_setup in r3 */
582 l.or r3,r0,r25
568 LOAD_SYMBOL_2_GPR(r24, or32_early_setup) 583 LOAD_SYMBOL_2_GPR(r24, or32_early_setup)
569 l.jalr r24 584 l.jalr r24
570 l.nop 585 l.nop
diff --git a/arch/openrisc/kernel/ptrace.c b/arch/openrisc/kernel/ptrace.c
index 7259047d5f9d..6deacb6b95a4 100644
--- a/arch/openrisc/kernel/ptrace.c
+++ b/arch/openrisc/kernel/ptrace.c
@@ -188,11 +188,11 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
188 */ 188 */
189 ret = -1L; 189 ret = -1L;
190 190
191 audit_syscall_entry(audit_arch(), regs->syscallno, 191 audit_syscall_entry(audit_arch(), regs->gpr[11],
192 regs->gpr[3], regs->gpr[4], 192 regs->gpr[3], regs->gpr[4],
193 regs->gpr[5], regs->gpr[6]); 193 regs->gpr[5], regs->gpr[6]);
194 194
195 return ret ? : regs->syscallno; 195 return ret ? : regs->gpr[11];
196} 196}
197 197
198asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) 198asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
index 1422f747f52b..bf5eba22ce9e 100644
--- a/arch/openrisc/kernel/setup.c
+++ b/arch/openrisc/kernel/setup.c
@@ -207,18 +207,18 @@ void __init setup_cpuinfo(void)
207 * Handles the pointer to the device tree that this kernel is to use 207 * Handles the pointer to the device tree that this kernel is to use
208 * for establishing the available platform devices. 208 * for establishing the available platform devices.
209 * 209 *
210 * For now, this is limited to using the built-in device tree. In the future, 210 * Falls back on built-in device tree in case null pointer is passed.
211 * it is intended that this function will take a pointer to the device tree
212 * that is potentially built-in, but potentially also passed in by the
213 * bootloader, or discovered by some equally clever means...
214 */ 211 */
215 212
216void __init or32_early_setup(void) 213void __init or32_early_setup(unsigned int fdt)
217{ 214{
218 215 if (fdt) {
219 early_init_devtree(__dtb_start); 216 early_init_devtree((void*) fdt);
220 217 printk(KERN_INFO "FDT at 0x%08x\n", fdt);
221 printk(KERN_INFO "Compiled-in FDT at 0x%p\n", __dtb_start); 218 } else {
219 early_init_devtree(__dtb_start);
220 printk(KERN_INFO "Compiled-in FDT at %p\n", __dtb_start);
221 }
222} 222}
223 223
224static int __init openrisc_device_probe(void) 224static int __init openrisc_device_probe(void)
diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
index 95207ab0c99e..e970743251ae 100644
--- a/arch/openrisc/kernel/signal.c
+++ b/arch/openrisc/kernel/signal.c
@@ -102,10 +102,7 @@ asmlinkage long _sys_rt_sigreturn(struct pt_regs *regs)
102 goto badframe; 102 goto badframe;
103 103
104 sigdelsetmask(&set, ~_BLOCKABLE); 104 sigdelsetmask(&set, ~_BLOCKABLE);
105 spin_lock_irq(&current->sighand->siglock); 105 set_current_blocked(&set);
106 current->blocked = set;
107 recalc_sigpending();
108 spin_unlock_irq(&current->sighand->siglock);
109 106
110 if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) 107 if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
111 goto badframe; 108 goto badframe;
@@ -189,8 +186,8 @@ static inline void __user *get_sigframe(struct k_sigaction *ka,
189 * trampoline which performs the syscall sigreturn, or a provided 186 * trampoline which performs the syscall sigreturn, or a provided
190 * user-mode trampoline. 187 * user-mode trampoline.
191 */ 188 */
192static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 189static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
193 sigset_t *set, struct pt_regs *regs) 190 sigset_t *set, struct pt_regs *regs)
194{ 191{
195 struct rt_sigframe *frame; 192 struct rt_sigframe *frame;
196 unsigned long return_ip; 193 unsigned long return_ip;
@@ -247,31 +244,27 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
247 /* actually move the usp to reflect the stacked frame */ 244 /* actually move the usp to reflect the stacked frame */
248 regs->sp = (unsigned long)frame; 245 regs->sp = (unsigned long)frame;
249 246
250 return; 247 return 0;
251 248
252give_sigsegv: 249give_sigsegv:
253 if (sig == SIGSEGV) 250 force_sigsegv(sig, current);
254 ka->sa.sa_handler = SIG_DFL; 251 return -EFAULT;
255 force_sig(SIGSEGV, current);
256} 252}
257 253
258static inline void 254static inline int
259handle_signal(unsigned long sig, 255handle_signal(unsigned long sig,
260 siginfo_t *info, struct k_sigaction *ka, 256 siginfo_t *info, struct k_sigaction *ka,
261 sigset_t *oldset, struct pt_regs *regs) 257 sigset_t *oldset, struct pt_regs *regs)
262{ 258{
263 setup_rt_frame(sig, ka, info, oldset, regs); 259 int ret;
264 260
265 if (ka->sa.sa_flags & SA_ONESHOT) 261 ret = setup_rt_frame(sig, ka, info, oldset, regs);
266 ka->sa.sa_handler = SIG_DFL; 262 if (ret)
263 return ret;
267 264
268 spin_lock_irq(&current->sighand->siglock); 265 block_sigmask(ka, sig);
269 sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
270 if (!(ka->sa.sa_flags & SA_NODEFER))
271 sigaddset(&current->blocked, sig);
272 recalc_sigpending();
273 266
274 spin_unlock_irq(&current->sighand->siglock); 267 return 0;
275} 268}
276 269
277/* 270/*
@@ -312,7 +305,7 @@ void do_signal(struct pt_regs *regs)
312 * below mean that the syscall executed to completion and no 305 * below mean that the syscall executed to completion and no
313 * restart is necessary. 306 * restart is necessary.
314 */ 307 */
315 if (regs->syscallno) { 308 if (regs->orig_gpr11) {
316 int restart = 0; 309 int restart = 0;
317 310
318 switch (regs->gpr[11]) { 311 switch (regs->gpr[11]) {
@@ -360,13 +353,13 @@ void do_signal(struct pt_regs *regs)
360 oldset = &current->blocked; 353 oldset = &current->blocked;
361 354
362 /* Whee! Actually deliver the signal. */ 355 /* Whee! Actually deliver the signal. */
363 handle_signal(signr, &info, &ka, oldset, regs); 356 if (!handle_signal(signr, &info, &ka, oldset, regs)) {
364 /* a signal was successfully delivered; the saved 357 /* a signal was successfully delivered; the saved
365 * sigmask will have been stored in the signal frame, 358 * sigmask will have been stored in the signal frame,
366 * and will be restored by sigreturn, so we can simply 359 * and will be restored by sigreturn, so we can simply
367 * clear the TIF_RESTORE_SIGMASK flag */ 360 * clear the TIF_RESTORE_SIGMASK flag */
368 if (test_thread_flag(TIF_RESTORE_SIGMASK))
369 clear_thread_flag(TIF_RESTORE_SIGMASK); 361 clear_thread_flag(TIF_RESTORE_SIGMASK);
362 }
370 363
371 tracehook_signal_handler(signr, &info, &ka, regs, 364 tracehook_signal_handler(signr, &info, &ka, regs,
372 test_thread_flag(TIF_SINGLESTEP)); 365 test_thread_flag(TIF_SINGLESTEP));
diff --git a/arch/openrisc/kernel/time.c b/arch/openrisc/kernel/time.c
index bd946ef1623d..7c52e9494a8d 100644
--- a/arch/openrisc/kernel/time.c
+++ b/arch/openrisc/kernel/time.c
@@ -125,16 +125,13 @@ irqreturn_t __irq_entry timer_interrupt(struct pt_regs *regs)
125 125
126static __init void openrisc_clockevent_init(void) 126static __init void openrisc_clockevent_init(void)
127{ 127{
128 clockevents_calc_mult_shift(&clockevent_openrisc_timer, 128 clockevent_openrisc_timer.cpumask = cpumask_of(0);
129 cpuinfo.clock_frequency, 4);
130 129
131 /* We only have 28 bits */ 130 /* We only have 28 bits */
132 clockevent_openrisc_timer.max_delta_ns = 131 clockevents_config_and_register(&clockevent_openrisc_timer,
133 clockevent_delta2ns((u32) 0x0fffffff, &clockevent_openrisc_timer); 132 cpuinfo.clock_frequency,
134 clockevent_openrisc_timer.min_delta_ns = 133 100, 0x0fffffff);
135 clockevent_delta2ns(1, &clockevent_openrisc_timer); 134
136 clockevent_openrisc_timer.cpumask = cpumask_of(0);
137 clockevents_register_device(&clockevent_openrisc_timer);
138} 135}
139 136
140/** 137/**
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index a4ec44a052b2..a2ee12948f40 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -115,6 +115,7 @@ void dump_stack(void)
115 115
116 show_stack(current, &stack); 116 show_stack(current, &stack);
117} 117}
118EXPORT_SYMBOL(dump_stack);
118 119
119void show_registers(struct pt_regs *regs) 120void show_registers(struct pt_regs *regs)
120{ 121{
@@ -145,8 +146,8 @@ void show_registers(struct pt_regs *regs)
145 regs->gpr[24], regs->gpr[25], regs->gpr[26], regs->gpr[27]); 146 regs->gpr[24], regs->gpr[25], regs->gpr[26], regs->gpr[27]);
146 printk("GPR28: %08lx GPR29: %08lx GPR30: %08lx GPR31: %08lx\n", 147 printk("GPR28: %08lx GPR29: %08lx GPR30: %08lx GPR31: %08lx\n",
147 regs->gpr[28], regs->gpr[29], regs->gpr[30], regs->gpr[31]); 148 regs->gpr[28], regs->gpr[29], regs->gpr[30], regs->gpr[31]);
148 printk(" RES: %08lx oGPR11: %08lx syscallno: %08lx\n", 149 printk(" RES: %08lx oGPR11: %08lx\n",
149 regs->gpr[11], regs->orig_gpr11, regs->syscallno); 150 regs->gpr[11], regs->orig_gpr11);
150 151
151 printk("Process %s (pid: %d, stackpage=%08lx)\n", 152 printk("Process %s (pid: %d, stackpage=%08lx)\n",
152 current->comm, current->pid, (unsigned long)current); 153 current->comm, current->pid, (unsigned long)current);
@@ -207,8 +208,8 @@ void nommu_dump_state(struct pt_regs *regs,
207 regs->gpr[24], regs->gpr[25], regs->gpr[26], regs->gpr[27]); 208 regs->gpr[24], regs->gpr[25], regs->gpr[26], regs->gpr[27]);
208 printk("GPR28: %08lx GPR29: %08lx GPR30: %08lx GPR31: %08lx\n", 209 printk("GPR28: %08lx GPR29: %08lx GPR30: %08lx GPR31: %08lx\n",
209 regs->gpr[28], regs->gpr[29], regs->gpr[30], regs->gpr[31]); 210 regs->gpr[28], regs->gpr[29], regs->gpr[30], regs->gpr[31]);
210 printk(" RES: %08lx oGPR11: %08lx syscallno: %08lx\n", 211 printk(" RES: %08lx oGPR11: %08lx\n",
211 regs->gpr[11], regs->orig_gpr11, regs->syscallno); 212 regs->gpr[11], regs->orig_gpr11);
212 213
213 printk("Process %s (pid: %d, stackpage=%08lx)\n", 214 printk("Process %s (pid: %d, stackpage=%08lx)\n",
214 ((struct task_struct *)(__pa(current)))->comm, 215 ((struct task_struct *)(__pa(current)))->comm,
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index 359dcb20fe85..736f6b2f30af 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -222,8 +222,7 @@ void __init mem_init(void)
222{ 222{
223 int codesize, reservedpages, datasize, initsize; 223 int codesize, reservedpages, datasize, initsize;
224 224
225 if (!mem_map) 225 BUG_ON(!mem_map);
226 BUG();
227 226
228 set_max_mapnr_init(); 227 set_max_mapnr_init();
229 228