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-rw-r--r--arch/mips/kernel/cpu-probe.c7
-rw-r--r--arch/mips/kernel/gdb-stub.c2
-rw-r--r--arch/mips/kernel/genex.S2
-rw-r--r--arch/mips/kernel/process.c5
-rw-r--r--arch/mips/kernel/ptrace32.c22
-rw-r--r--arch/mips/kernel/reset.c18
-rw-r--r--arch/mips/kernel/rtlx.c4
-rw-r--r--arch/mips/kernel/scall32-o32.S17
-rw-r--r--arch/mips/kernel/scall64-64.S17
-rw-r--r--arch/mips/kernel/scall64-n32.S17
-rw-r--r--arch/mips/kernel/scall64-o32.S17
-rw-r--r--arch/mips/kernel/signal-common.h8
-rw-r--r--arch/mips/kernel/signal.c104
-rw-r--r--arch/mips/kernel/signal32.c67
-rw-r--r--arch/mips/kernel/signal_n32.c14
-rw-r--r--arch/mips/kernel/syscall.c48
-rw-r--r--arch/mips/kernel/traps.c2
-rw-r--r--arch/mips/kernel/vmlinux.lds.S11
18 files changed, 241 insertions, 141 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index fac48ad27b34..292f8b243a5e 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -2,8 +2,8 @@
2 * Processor capabilities determination functions. 2 * Processor capabilities determination functions.
3 * 3 *
4 * Copyright (C) xxxx the Anonymous 4 * Copyright (C) xxxx the Anonymous
5 * Copyright (C) 1994 - 2006 Ralf Baechle
5 * Copyright (C) 2003, 2004 Maciej W. Rozycki 6 * Copyright (C) 2003, 2004 Maciej W. Rozycki
6 * Copyright (C) 1994 - 2003 Ralf Baechle
7 * Copyright (C) 2001, 2004 MIPS Inc. 7 * Copyright (C) 2001, 2004 MIPS Inc.
8 * 8 *
9 * This program is free software; you can redistribute it and/or 9 * This program is free software; you can redistribute it and/or
@@ -641,10 +641,9 @@ static inline void cpu_probe_sibyte(struct cpuinfo_mips *c)
641 switch (c->processor_id & 0xff00) { 641 switch (c->processor_id & 0xff00) {
642 case PRID_IMP_SB1: 642 case PRID_IMP_SB1:
643 c->cputype = CPU_SB1; 643 c->cputype = CPU_SB1;
644#ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
645 /* FPU in pass1 is known to have issues. */ 644 /* FPU in pass1 is known to have issues. */
646 c->options &= ~(MIPS_CPU_FPU | MIPS_CPU_32FPR); 645 if ((c->processor_id & 0xff) < 0x20)
647#endif 646 c->options &= ~(MIPS_CPU_FPU | MIPS_CPU_32FPR);
648 break; 647 break;
649 case PRID_IMP_SB1A: 648 case PRID_IMP_SB1A:
650 c->cputype = CPU_SB1A; 649 c->cputype = CPU_SB1A;
diff --git a/arch/mips/kernel/gdb-stub.c b/arch/mips/kernel/gdb-stub.c
index 96d18c43dca0..d4f88e0af24c 100644
--- a/arch/mips/kernel/gdb-stub.c
+++ b/arch/mips/kernel/gdb-stub.c
@@ -178,7 +178,7 @@ int kgdb_enabled;
178 */ 178 */
179static DEFINE_SPINLOCK(kgdb_lock); 179static DEFINE_SPINLOCK(kgdb_lock);
180static raw_spinlock_t kgdb_cpulock[NR_CPUS] = { 180static raw_spinlock_t kgdb_cpulock[NR_CPUS] = {
181 [0 ... NR_CPUS-1] = __RAW_SPIN_LOCK_UNLOCKED; 181 [0 ... NR_CPUS-1] = __RAW_SPIN_LOCK_UNLOCKED,
182}; 182};
183 183
184/* 184/*
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index aa18a8b7b380..13f22d1d0e8b 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -233,11 +233,11 @@ NESTED(except_vec_nmi, 0, sp)
233NESTED(nmi_handler, PT_SIZE, sp) 233NESTED(nmi_handler, PT_SIZE, sp)
234 .set push 234 .set push
235 .set noat 235 .set noat
236 .set mips3
237 SAVE_ALL 236 SAVE_ALL
238 move a0, sp 237 move a0, sp
239 jal nmi_exception_handler 238 jal nmi_exception_handler
240 RESTORE_ALL 239 RESTORE_ALL
240 .set mips3
241 eret 241 eret
242 .set pop 242 .set pop
243 END(nmi_handler) 243 END(nmi_handler)
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index fa98f10d0132..5232fc752935 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -4,6 +4,7 @@
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (C) 1994 - 1999, 2000 by Ralf Baechle and others. 6 * Copyright (C) 1994 - 1999, 2000 by Ralf Baechle and others.
7 * Copyright (C) 2005, 2006 by Ralf Baechle (ralf@linux-mips.org)
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 8 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2004 Thiemo Seufer 9 * Copyright (C) 2004 Thiemo Seufer
9 */ 10 */
@@ -58,8 +59,8 @@ ATTRIB_NORET void cpu_idle(void)
58 } 59 }
59} 60}
60 61
61extern int do_signal(sigset_t *oldset, struct pt_regs *regs); 62extern void do_signal(struct pt_regs *regs);
62extern int do_signal32(sigset_t *oldset, struct pt_regs *regs); 63extern void do_signal32(struct pt_regs *regs);
63 64
64/* 65/*
65 * Native o32 and N64 ABI without DSP ASE 66 * Native o32 and N64 ABI without DSP ASE
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 0c82b25d8c6d..0d5cf97af727 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -88,7 +88,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
88 ret = -EIO; 88 ret = -EIO;
89 if (copied != sizeof(tmp)) 89 if (copied != sizeof(tmp))
90 break; 90 break;
91 ret = put_user(tmp, (unsigned int *) (unsigned long) data); 91 ret = put_user(tmp, (unsigned int __user *) (unsigned long) data);
92 break; 92 break;
93 } 93 }
94 94
@@ -174,8 +174,10 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
174 case FPC_EIR: { /* implementation / version register */ 174 case FPC_EIR: { /* implementation / version register */
175 unsigned int flags; 175 unsigned int flags;
176 176
177 if (!cpu_has_fpu) 177 if (!cpu_has_fpu) {
178 tmp = 0;
178 break; 179 break;
180 }
179 181
180 preempt_disable(); 182 preempt_disable();
181 if (cpu_has_mipsmt) { 183 if (cpu_has_mipsmt) {
@@ -194,15 +196,18 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
194 preempt_enable(); 196 preempt_enable();
195 break; 197 break;
196 } 198 }
197 case DSP_BASE ... DSP_BASE + 5: 199 case DSP_BASE ... DSP_BASE + 5: {
200 dspreg_t *dregs;
201
198 if (!cpu_has_dsp) { 202 if (!cpu_has_dsp) {
199 tmp = 0; 203 tmp = 0;
200 ret = -EIO; 204 ret = -EIO;
201 goto out_tsk; 205 goto out_tsk;
202 } 206 }
203 dspreg_t *dregs = __get_dsp_regs(child); 207 dregs = __get_dsp_regs(child);
204 tmp = (unsigned long) (dregs[addr - DSP_BASE]); 208 tmp = (unsigned long) (dregs[addr - DSP_BASE]);
205 break; 209 break;
210 }
206 case DSP_CONTROL: 211 case DSP_CONTROL:
207 if (!cpu_has_dsp) { 212 if (!cpu_has_dsp) {
208 tmp = 0; 213 tmp = 0;
@@ -216,7 +221,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
216 ret = -EIO; 221 ret = -EIO;
217 goto out_tsk; 222 goto out_tsk;
218 } 223 }
219 ret = put_user(tmp, (unsigned *) (unsigned long) data); 224 ret = put_user(tmp, (unsigned __user *) (unsigned long) data);
220 break; 225 break;
221 } 226 }
222 227
@@ -304,15 +309,18 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
304 else 309 else
305 child->thread.fpu.soft.fcr31 = data; 310 child->thread.fpu.soft.fcr31 = data;
306 break; 311 break;
307 case DSP_BASE ... DSP_BASE + 5: 312 case DSP_BASE ... DSP_BASE + 5: {
313 dspreg_t *dregs;
314
308 if (!cpu_has_dsp) { 315 if (!cpu_has_dsp) {
309 ret = -EIO; 316 ret = -EIO;
310 break; 317 break;
311 } 318 }
312 319
313 dspreg_t *dregs = __get_dsp_regs(child); 320 dregs = __get_dsp_regs(child);
314 dregs[addr - DSP_BASE] = data; 321 dregs[addr - DSP_BASE] = data;
315 break; 322 break;
323 }
316 case DSP_CONTROL: 324 case DSP_CONTROL:
317 if (!cpu_has_dsp) { 325 if (!cpu_has_dsp) {
318 ret = -EIO; 326 ret = -EIO;
diff --git a/arch/mips/kernel/reset.c b/arch/mips/kernel/reset.c
index 5e37df3111ad..621037db2290 100644
--- a/arch/mips/kernel/reset.c
+++ b/arch/mips/kernel/reset.c
@@ -3,17 +3,16 @@
3 * License. See the file "COPYING" in the main directory of this archive 3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (C) 2001 by Ralf Baechle 6 * Copyright (C) 2001, 06 by Ralf Baechle (ralf@linux-mips.org)
7 * Copyright (C) 2001 MIPS Technologies, Inc. 7 * Copyright (C) 2001 MIPS Technologies, Inc.
8 */ 8 */
9#include <linux/kernel.h> 9#include <linux/kernel.h>
10#include <linux/module.h> 10#include <linux/module.h>
11#include <linux/pm.h>
11#include <linux/types.h> 12#include <linux/types.h>
12#include <linux/reboot.h> 13#include <linux/reboot.h>
13#include <asm/reboot.h>
14 14
15void (*pm_power_off)(void); 15#include <asm/reboot.h>
16EXPORT_SYMBOL(pm_power_off);
17 16
18/* 17/*
19 * Urgs ... Too many MIPS machines to handle this in a generic way. 18 * Urgs ... Too many MIPS machines to handle this in a generic way.
@@ -22,23 +21,22 @@ EXPORT_SYMBOL(pm_power_off);
22 */ 21 */
23void (*_machine_restart)(char *command); 22void (*_machine_restart)(char *command);
24void (*_machine_halt)(void); 23void (*_machine_halt)(void);
25void (*_machine_power_off)(void); 24void (*pm_power_off)(void);
26 25
27void machine_restart(char *command) 26void machine_restart(char *command)
28{ 27{
29 _machine_restart(command); 28 if (_machine_restart)
29 _machine_restart(command);
30} 30}
31 31
32void machine_halt(void) 32void machine_halt(void)
33{ 33{
34 _machine_halt(); 34 if (_machine_halt)
35 _machine_halt();
35} 36}
36 37
37void machine_power_off(void) 38void machine_power_off(void)
38{ 39{
39 if (pm_power_off) 40 if (pm_power_off)
40 pm_power_off(); 41 pm_power_off();
41
42 _machine_power_off();
43} 42}
44
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index 1d855112bac2..986a9cf23067 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -1,5 +1,6 @@
1/* 1/*
2 * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved. 2 * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved.
3 * Copyright (C) 2005, 06 Ralf Baechle (ralf@linux-mips.org)
3 * 4 *
4 * This program is free software; you can distribute it and/or modify it 5 * This program is free software; you can distribute it and/or modify it
5 * under the terms of the GNU General Public License (Version 2) as 6 * under the terms of the GNU General Public License (Version 2) as
@@ -20,9 +21,12 @@
20#include <linux/module.h> 21#include <linux/module.h>
21#include <linux/fs.h> 22#include <linux/fs.h>
22#include <linux/init.h> 23#include <linux/init.h>
24#include <linux/interrupt.h>
25#include <linux/irq.h>
23#include <linux/poll.h> 26#include <linux/poll.h>
24#include <linux/sched.h> 27#include <linux/sched.h>
25#include <linux/wait.h> 28#include <linux/wait.h>
29
26#include <asm/mipsmtregs.h> 30#include <asm/mipsmtregs.h>
27#include <asm/bitops.h> 31#include <asm/bitops.h>
28#include <asm/cpu.h> 32#include <asm/cpu.h>
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index a42e0e8caa7b..d7c4a38ed5ae 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -617,6 +617,23 @@ einval: li v0, -EINVAL
617 sys sys_inotify_init 0 617 sys sys_inotify_init 0
618 sys sys_inotify_add_watch 3 /* 4285 */ 618 sys sys_inotify_add_watch 3 /* 4285 */
619 sys sys_inotify_rm_watch 2 619 sys sys_inotify_rm_watch 2
620 sys sys_migrate_pages 4
621 sys sys_openat 4
622 sys sys_mkdirat 3
623 sys sys_mknodat 4 /* 4290 */
624 sys sys_fchownat 5
625 sys sys_futimesat 3
626 sys sys_newfstatat 4
627 sys sys_unlinkat 3
628 sys sys_renameat 4 /* 4295 */
629 sys sys_linkat 4
630 sys sys_symlinkat 3
631 sys sys_readlinkat 4
632 sys sys_fchmodat 3
633 sys sys_faccessat 3 /* 4300 */
634 sys sys_pselect6 6
635 sys sys_ppoll 5
636 sys sys_unshare 1
620 .endm 637 .endm
621 638
622 /* We pre-compute the number of _instruction_ bytes needed to 639 /* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 47bfbd416709..98bf25df56f3 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -443,3 +443,20 @@ sys_call_table:
443 PTR sys_inotify_init 443 PTR sys_inotify_init
444 PTR sys_inotify_add_watch 444 PTR sys_inotify_add_watch
445 PTR sys_inotify_rm_watch /* 5245 */ 445 PTR sys_inotify_rm_watch /* 5245 */
446 PTR sys_migrate_pages
447 PTR sys_openat
448 PTR sys_mkdirat
449 PTR sys_mknodat
450 PTR sys_fchownat /* 5250 */
451 PTR sys_futimesat
452 PTR sys_newfstatat
453 PTR sys_unlinkat
454 PTR sys_renameat
455 PTR sys_linkat /* 5255 */
456 PTR sys_symlinkat
457 PTR sys_readlinkat
458 PTR sys_fchmodat
459 PTR sys_faccessat
460 PTR sys_pselect6 /* 5260 */
461 PTR sys_ppoll
462 PTR sys_unshare
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index b465ced1758f..bc4980cefc8b 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -369,3 +369,20 @@ EXPORT(sysn32_call_table)
369 PTR sys_inotify_init 369 PTR sys_inotify_init
370 PTR sys_inotify_add_watch 370 PTR sys_inotify_add_watch
371 PTR sys_inotify_rm_watch 371 PTR sys_inotify_rm_watch
372 PTR sys_migrate_pages /* 6250 */
373 PTR sys_openat
374 PTR sys_mkdirat
375 PTR sys_mknodat
376 PTR sys_fchownat
377 PTR sys_futimesat /* 6255 */
378 PTR sys_newfstatat
379 PTR sys_unlinkat
380 PTR sys_renameat
381 PTR sys_linkat
382 PTR sys_symlinkat /* 6260 */
383 PTR sys_readlinkat
384 PTR sys_fchmodat
385 PTR sys_faccessat
386 PTR sys_pselect6
387 PTR sys_ppoll /* 6265 */
388 PTR sys_unshare
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 3d338ca7eeeb..5b0414018c9a 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -491,4 +491,21 @@ sys_call_table:
491 PTR sys_inotify_init 491 PTR sys_inotify_init
492 PTR sys_inotify_add_watch /* 4285 */ 492 PTR sys_inotify_add_watch /* 4285 */
493 PTR sys_inotify_rm_watch 493 PTR sys_inotify_rm_watch
494 PTR sys_migrate_pages
495 PTR compat_sys_openat
496 PTR sys_mkdirat
497 PTR sys_mknodat /* 4290 */
498 PTR sys_fchownat
499 PTR compat_sys_futimesat
500 PTR compat_sys_newfstatat
501 PTR sys_unlinkat
502 PTR sys_renameat /* 4295 */
503 PTR sys_linkat
504 PTR sys_symlinkat
505 PTR sys_readlinkat
506 PTR sys_fchmodat
507 PTR sys_faccessat /* 4300 */
508 PTR sys_pselect6
509 PTR sys_ppoll
510 PTR sys_unshare
494 .size sys_call_table,.-sys_call_table 511 .size sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index 0f66ae5838b9..0fbc492d24b4 100644
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -11,7 +11,7 @@
11#include <linux/config.h> 11#include <linux/config.h>
12 12
13static inline int 13static inline int
14setup_sigcontext(struct pt_regs *regs, struct sigcontext *sc) 14setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
15{ 15{
16 int err = 0; 16 int err = 0;
17 17
@@ -82,7 +82,7 @@ out:
82} 82}
83 83
84static inline int 84static inline int
85restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc) 85restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
86{ 86{
87 unsigned int used_math; 87 unsigned int used_math;
88 unsigned long treg; 88 unsigned long treg;
@@ -157,7 +157,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc)
157/* 157/*
158 * Determine which stack to use.. 158 * Determine which stack to use..
159 */ 159 */
160static inline void * 160static inline void __user *
161get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) 161get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
162{ 162{
163 unsigned long sp; 163 unsigned long sp;
@@ -176,7 +176,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
176 if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0)) 176 if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0))
177 sp = current->sas_ss_sp + current->sas_ss_size; 177 sp = current->sas_ss_sp + current->sas_ss_size;
178 178
179 return (void *)((sp - frame_size) & (ICACHE_REFILLS_WORKAROUND_WAR ? 32 : ALMASK)); 179 return (void __user *)((sp - frame_size) & (ICACHE_REFILLS_WORKAROUND_WAR ? 32 : ALMASK));
180} 180}
181 181
182static inline int install_sigtramp(unsigned int __user *tramp, 182static inline int install_sigtramp(unsigned int __user *tramp,
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 7d1800fe7038..c974cc9b30eb 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -39,8 +39,6 @@
39 39
40#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) 40#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
41 41
42int do_signal(sigset_t *oldset, struct pt_regs *regs);
43
44/* 42/*
45 * Atomically swap in the new signal mask, and wait for a signal. 43 * Atomically swap in the new signal mask, and wait for a signal.
46 */ 44 */
@@ -50,7 +48,7 @@ save_static_function(sys_sigsuspend);
50__attribute_used__ noinline static int 48__attribute_used__ noinline static int
51_sys_sigsuspend(nabi_no_regargs struct pt_regs regs) 49_sys_sigsuspend(nabi_no_regargs struct pt_regs regs)
52{ 50{
53 sigset_t saveset, newset; 51 sigset_t newset;
54 sigset_t __user *uset; 52 sigset_t __user *uset;
55 53
56 uset = (sigset_t __user *) regs.regs[4]; 54 uset = (sigset_t __user *) regs.regs[4];
@@ -59,19 +57,15 @@ _sys_sigsuspend(nabi_no_regargs struct pt_regs regs)
59 sigdelsetmask(&newset, ~_BLOCKABLE); 57 sigdelsetmask(&newset, ~_BLOCKABLE);
60 58
61 spin_lock_irq(&current->sighand->siglock); 59 spin_lock_irq(&current->sighand->siglock);
62 saveset = current->blocked; 60 current->saved_sigmask = current->blocked;
63 current->blocked = newset; 61 current->blocked = newset;
64 recalc_sigpending(); 62 recalc_sigpending();
65 spin_unlock_irq(&current->sighand->siglock); 63 spin_unlock_irq(&current->sighand->siglock);
66 64
67 regs.regs[2] = EINTR; 65 current->state = TASK_INTERRUPTIBLE;
68 regs.regs[7] = 1; 66 schedule();
69 while (1) { 67 set_thread_flag(TIF_RESTORE_SIGMASK);
70 current->state = TASK_INTERRUPTIBLE; 68 return -ERESTARTNOHAND;
71 schedule();
72 if (do_signal(&saveset, &regs))
73 return -EINTR;
74 }
75} 69}
76#endif 70#endif
77 71
@@ -79,7 +73,7 @@ save_static_function(sys_rt_sigsuspend);
79__attribute_used__ noinline static int 73__attribute_used__ noinline static int
80_sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) 74_sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
81{ 75{
82 sigset_t saveset, newset; 76 sigset_t newset;
83 sigset_t __user *unewset; 77 sigset_t __user *unewset;
84 size_t sigsetsize; 78 size_t sigsetsize;
85 79
@@ -94,19 +88,15 @@ _sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
94 sigdelsetmask(&newset, ~_BLOCKABLE); 88 sigdelsetmask(&newset, ~_BLOCKABLE);
95 89
96 spin_lock_irq(&current->sighand->siglock); 90 spin_lock_irq(&current->sighand->siglock);
97 saveset = current->blocked; 91 current->saved_sigmask = current->blocked;
98 current->blocked = newset; 92 current->blocked = newset;
99 recalc_sigpending(); 93 recalc_sigpending();
100 spin_unlock_irq(&current->sighand->siglock); 94 spin_unlock_irq(&current->sighand->siglock);
101 95
102 regs.regs[2] = EINTR; 96 current->state = TASK_INTERRUPTIBLE;
103 regs.regs[7] = 1; 97 schedule();
104 while (1) { 98 set_thread_flag(TIF_RESTORE_SIGMASK);
105 current->state = TASK_INTERRUPTIBLE; 99 return -ERESTARTNOHAND;
106 schedule();
107 if (do_signal(&saveset, &regs))
108 return -EINTR;
109 }
110} 100}
111 101
112#ifdef CONFIG_TRAD_SIGNALS 102#ifdef CONFIG_TRAD_SIGNALS
@@ -199,10 +189,10 @@ save_static_function(sys_sigreturn);
199__attribute_used__ noinline static void 189__attribute_used__ noinline static void
200_sys_sigreturn(nabi_no_regargs struct pt_regs regs) 190_sys_sigreturn(nabi_no_regargs struct pt_regs regs)
201{ 191{
202 struct sigframe *frame; 192 struct sigframe __user *frame;
203 sigset_t blocked; 193 sigset_t blocked;
204 194
205 frame = (struct sigframe *) regs.regs[29]; 195 frame = (struct sigframe __user *) regs.regs[29];
206 if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) 196 if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
207 goto badframe; 197 goto badframe;
208 if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked))) 198 if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked)))
@@ -236,11 +226,11 @@ save_static_function(sys_rt_sigreturn);
236__attribute_used__ noinline static void 226__attribute_used__ noinline static void
237_sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs) 227_sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
238{ 228{
239 struct rt_sigframe *frame; 229 struct rt_sigframe __user *frame;
240 sigset_t set; 230 sigset_t set;
241 stack_t st; 231 stack_t st;
242 232
243 frame = (struct rt_sigframe *) regs.regs[29]; 233 frame = (struct rt_sigframe __user *) regs.regs[29];
244 if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) 234 if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
245 goto badframe; 235 goto badframe;
246 if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set))) 236 if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
@@ -259,7 +249,7 @@ _sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
259 goto badframe; 249 goto badframe;
260 /* It is more difficult to avoid calling this function than to 250 /* It is more difficult to avoid calling this function than to
261 call it and ignore errors. */ 251 call it and ignore errors. */
262 do_sigaltstack(&st, NULL, regs.regs[29]); 252 do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]);
263 253
264 /* 254 /*
265 * Don't let your children do this ... 255 * Don't let your children do this ...
@@ -279,7 +269,7 @@ badframe:
279int setup_frame(struct k_sigaction * ka, struct pt_regs *regs, 269int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
280 int signr, sigset_t *set) 270 int signr, sigset_t *set)
281{ 271{
282 struct sigframe *frame; 272 struct sigframe __user *frame;
283 int err = 0; 273 int err = 0;
284 274
285 frame = get_sigframe(ka, regs, sizeof(*frame)); 275 frame = get_sigframe(ka, regs, sizeof(*frame));
@@ -315,18 +305,18 @@ int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
315 current->comm, current->pid, 305 current->comm, current->pid,
316 frame, regs->cp0_epc, frame->regs[31]); 306 frame, regs->cp0_epc, frame->regs[31]);
317#endif 307#endif
318 return 1; 308 return 0;
319 309
320give_sigsegv: 310give_sigsegv:
321 force_sigsegv(signr, current); 311 force_sigsegv(signr, current);
322 return 0; 312 return -EFAULT;
323} 313}
324#endif 314#endif
325 315
326int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs, 316int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
327 int signr, sigset_t *set, siginfo_t *info) 317 int signr, sigset_t *set, siginfo_t *info)
328{ 318{
329 struct rt_sigframe *frame; 319 struct rt_sigframe __user *frame;
330 int err = 0; 320 int err = 0;
331 321
332 frame = get_sigframe(ka, regs, sizeof(*frame)); 322 frame = get_sigframe(ka, regs, sizeof(*frame));
@@ -340,7 +330,7 @@ int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
340 330
341 /* Create the ucontext. */ 331 /* Create the ucontext. */
342 err |= __put_user(0, &frame->rs_uc.uc_flags); 332 err |= __put_user(0, &frame->rs_uc.uc_flags);
343 err |= __put_user(0, &frame->rs_uc.uc_link); 333 err |= __put_user(NULL, &frame->rs_uc.uc_link);
344 err |= __put_user((void *)current->sas_ss_sp, 334 err |= __put_user((void *)current->sas_ss_sp,
345 &frame->rs_uc.uc_stack.ss_sp); 335 &frame->rs_uc.uc_stack.ss_sp);
346 err |= __put_user(sas_ss_flags(regs->regs[29]), 336 err |= __put_user(sas_ss_flags(regs->regs[29]),
@@ -375,11 +365,11 @@ int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
375 current->comm, current->pid, 365 current->comm, current->pid,
376 frame, regs->cp0_epc, regs->regs[31]); 366 frame, regs->cp0_epc, regs->regs[31]);
377#endif 367#endif
378 return 1; 368 return 0;
379 369
380give_sigsegv: 370give_sigsegv:
381 force_sigsegv(signr, current); 371 force_sigsegv(signr, current);
382 return 0; 372 return -EFAULT;
383} 373}
384 374
385static inline int handle_signal(unsigned long sig, siginfo_t *info, 375static inline int handle_signal(unsigned long sig, siginfo_t *info,
@@ -393,7 +383,7 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info,
393 regs->regs[2] = EINTR; 383 regs->regs[2] = EINTR;
394 break; 384 break;
395 case ERESTARTSYS: 385 case ERESTARTSYS:
396 if(!(ka->sa.sa_flags & SA_RESTART)) { 386 if (!(ka->sa.sa_flags & SA_RESTART)) {
397 regs->regs[2] = EINTR; 387 regs->regs[2] = EINTR;
398 break; 388 break;
399 } 389 }
@@ -420,9 +410,10 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info,
420 return ret; 410 return ret;
421} 411}
422 412
423int do_signal(sigset_t *oldset, struct pt_regs *regs) 413void do_signal(struct pt_regs *regs)
424{ 414{
425 struct k_sigaction ka; 415 struct k_sigaction ka;
416 sigset_t *oldset;
426 siginfo_t info; 417 siginfo_t info;
427 int signr; 418 int signr;
428 419
@@ -432,17 +423,31 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs)
432 * if so. 423 * if so.
433 */ 424 */
434 if (!user_mode(regs)) 425 if (!user_mode(regs))
435 return 1; 426 return;
436 427
437 if (try_to_freeze()) 428 if (try_to_freeze())
438 goto no_signal; 429 goto no_signal;
439 430
440 if (!oldset) 431 if (test_thread_flag(TIF_RESTORE_SIGMASK))
432 oldset = &current->saved_sigmask;
433 else
441 oldset = &current->blocked; 434 oldset = &current->blocked;
442 435
436
443 signr = get_signal_to_deliver(&info, &ka, regs, NULL); 437 signr = get_signal_to_deliver(&info, &ka, regs, NULL);
444 if (signr > 0) 438 if (signr > 0) {
445 return handle_signal(signr, &info, &ka, oldset, regs); 439 /* Whee! Actually deliver the signal. */
440 if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
441 /*
442 * A signal was successfully delivered; the saved
443 * sigmask will have been stored in the signal frame,
444 * and will be restored by sigreturn, so we can simply
445 * clear the TIF_RESTORE_SIGMASK flag.
446 */
447 if (test_thread_flag(TIF_RESTORE_SIGMASK))
448 clear_thread_flag(TIF_RESTORE_SIGMASK);
449 }
450 }
446 451
447no_signal: 452no_signal:
448 /* 453 /*
@@ -463,18 +468,25 @@ no_signal:
463 regs->cp0_epc -= 4; 468 regs->cp0_epc -= 4;
464 } 469 }
465 } 470 }
466 return 0; 471
472 /*
473 * If there's no signal to deliver, we just put the saved sigmask
474 * back
475 */
476 if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
477 clear_thread_flag(TIF_RESTORE_SIGMASK);
478 sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
479 }
467} 480}
468 481
469/* 482/*
470 * notification of userspace execution resumption 483 * notification of userspace execution resumption
471 * - triggered by current->work.notify_resume 484 * - triggered by the TIF_WORK_MASK flags
472 */ 485 */
473asmlinkage void do_notify_resume(struct pt_regs *regs, sigset_t *oldset, 486asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
474 __u32 thread_info_flags) 487 __u32 thread_info_flags)
475{ 488{
476 /* deal with pending signal delivery */ 489 /* deal with pending signal delivery */
477 if (thread_info_flags & _TIF_SIGPENDING) { 490 if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
478 current->thread.abi->do_signal(oldset, regs); 491 current->thread.abi->do_signal(regs);
479 }
480} 492}
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 98b185bbc947..da3271e1fdac 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -144,7 +144,7 @@ struct ucontext32 {
144extern void __put_sigset_unknown_nsig(void); 144extern void __put_sigset_unknown_nsig(void);
145extern void __get_sigset_unknown_nsig(void); 145extern void __get_sigset_unknown_nsig(void);
146 146
147static inline int put_sigset(const sigset_t *kbuf, compat_sigset_t *ubuf) 147static inline int put_sigset(const sigset_t *kbuf, compat_sigset_t __user *ubuf)
148{ 148{
149 int err = 0; 149 int err = 0;
150 150
@@ -269,7 +269,7 @@ asmlinkage int sys32_sigaction(int sig, const struct sigaction32 *act,
269 if (!access_ok(VERIFY_READ, act, sizeof(*act))) 269 if (!access_ok(VERIFY_READ, act, sizeof(*act)))
270 return -EFAULT; 270 return -EFAULT;
271 err |= __get_user(handler, &act->sa_handler); 271 err |= __get_user(handler, &act->sa_handler);
272 new_ka.sa.sa_handler = (void*)(s64)handler; 272 new_ka.sa.sa_handler = (void __user *)(s64)handler;
273 err |= __get_user(new_ka.sa.sa_flags, &act->sa_flags); 273 err |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
274 err |= __get_user(mask, &act->sa_mask.sig[0]); 274 err |= __get_user(mask, &act->sa_mask.sig[0]);
275 if (err) 275 if (err)
@@ -299,8 +299,8 @@ asmlinkage int sys32_sigaction(int sig, const struct sigaction32 *act,
299 299
300asmlinkage int sys32_sigaltstack(nabi_no_regargs struct pt_regs regs) 300asmlinkage int sys32_sigaltstack(nabi_no_regargs struct pt_regs regs)
301{ 301{
302 const stack32_t *uss = (const stack32_t *) regs.regs[4]; 302 const stack32_t __user *uss = (const stack32_t __user *) regs.regs[4];
303 stack32_t *uoss = (stack32_t *) regs.regs[5]; 303 stack32_t __user *uoss = (stack32_t __user *) regs.regs[5];
304 unsigned long usp = regs.regs[29]; 304 unsigned long usp = regs.regs[29];
305 stack_t kss, koss; 305 stack_t kss, koss;
306 int ret, err = 0; 306 int ret, err = 0;
@@ -319,7 +319,8 @@ asmlinkage int sys32_sigaltstack(nabi_no_regargs struct pt_regs regs)
319 } 319 }
320 320
321 set_fs (KERNEL_DS); 321 set_fs (KERNEL_DS);
322 ret = do_sigaltstack(uss ? &kss : NULL , uoss ? &koss : NULL, usp); 322 ret = do_sigaltstack(uss ? (stack_t __user *)&kss : NULL,
323 uoss ? (stack_t __user *)&koss : NULL, usp);
323 set_fs (old_fs); 324 set_fs (old_fs);
324 325
325 if (!ret && uoss) { 326 if (!ret && uoss) {
@@ -335,7 +336,7 @@ asmlinkage int sys32_sigaltstack(nabi_no_regargs struct pt_regs regs)
335 return ret; 336 return ret;
336} 337}
337 338
338static int restore_sigcontext32(struct pt_regs *regs, struct sigcontext32 *sc) 339static int restore_sigcontext32(struct pt_regs *regs, struct sigcontext32 __user *sc)
339{ 340{
340 u32 used_math; 341 u32 used_math;
341 int err = 0; 342 int err = 0;
@@ -420,7 +421,7 @@ struct rt_sigframe32 {
420#endif 421#endif
421}; 422};
422 423
423int copy_siginfo_to_user32(compat_siginfo_t *to, siginfo_t *from) 424int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
424{ 425{
425 int err; 426 int err;
426 427
@@ -455,7 +456,7 @@ int copy_siginfo_to_user32(compat_siginfo_t *to, siginfo_t *from)
455 err |= __put_user(from->si_uid, &to->si_uid); 456 err |= __put_user(from->si_uid, &to->si_uid);
456 break; 457 break;
457 case __SI_FAULT >> 16: 458 case __SI_FAULT >> 16:
458 err |= __put_user((long)from->si_addr, &to->si_addr); 459 err |= __put_user((unsigned long)from->si_addr, &to->si_addr);
459 break; 460 break;
460 case __SI_POLL >> 16: 461 case __SI_POLL >> 16:
461 err |= __put_user(from->si_band, &to->si_band); 462 err |= __put_user(from->si_band, &to->si_band);
@@ -476,10 +477,10 @@ save_static_function(sys32_sigreturn);
476__attribute_used__ noinline static void 477__attribute_used__ noinline static void
477_sys32_sigreturn(nabi_no_regargs struct pt_regs regs) 478_sys32_sigreturn(nabi_no_regargs struct pt_regs regs)
478{ 479{
479 struct sigframe *frame; 480 struct sigframe __user *frame;
480 sigset_t blocked; 481 sigset_t blocked;
481 482
482 frame = (struct sigframe *) regs.regs[29]; 483 frame = (struct sigframe __user *) regs.regs[29];
483 if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) 484 if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
484 goto badframe; 485 goto badframe;
485 if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked))) 486 if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked)))
@@ -512,13 +513,13 @@ save_static_function(sys32_rt_sigreturn);
512__attribute_used__ noinline static void 513__attribute_used__ noinline static void
513_sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) 514_sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
514{ 515{
515 struct rt_sigframe32 *frame; 516 struct rt_sigframe32 __user *frame;
516 mm_segment_t old_fs; 517 mm_segment_t old_fs;
517 sigset_t set; 518 sigset_t set;
518 stack_t st; 519 stack_t st;
519 s32 sp; 520 s32 sp;
520 521
521 frame = (struct rt_sigframe32 *) regs.regs[29]; 522 frame = (struct rt_sigframe32 __user *) regs.regs[29];
522 if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) 523 if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
523 goto badframe; 524 goto badframe;
524 if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set))) 525 if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
@@ -546,7 +547,7 @@ _sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
546 call it and ignore errors. */ 547 call it and ignore errors. */
547 old_fs = get_fs(); 548 old_fs = get_fs();
548 set_fs (KERNEL_DS); 549 set_fs (KERNEL_DS);
549 do_sigaltstack(&st, NULL, regs.regs[29]); 550 do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]);
550 set_fs (old_fs); 551 set_fs (old_fs);
551 552
552 /* 553 /*
@@ -564,7 +565,7 @@ badframe:
564} 565}
565 566
566static inline int setup_sigcontext32(struct pt_regs *regs, 567static inline int setup_sigcontext32(struct pt_regs *regs,
567 struct sigcontext32 *sc) 568 struct sigcontext32 __user *sc)
568{ 569{
569 int err = 0; 570 int err = 0;
570 571
@@ -623,8 +624,9 @@ out:
623/* 624/*
624 * Determine which stack to use.. 625 * Determine which stack to use..
625 */ 626 */
626static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, 627static inline void __user *get_sigframe(struct k_sigaction *ka,
627 size_t frame_size) 628 struct pt_regs *regs,
629 size_t frame_size)
628{ 630{
629 unsigned long sp; 631 unsigned long sp;
630 632
@@ -642,13 +644,13 @@ static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
642 if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0)) 644 if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0))
643 sp = current->sas_ss_sp + current->sas_ss_size; 645 sp = current->sas_ss_sp + current->sas_ss_size;
644 646
645 return (void *)((sp - frame_size) & ALMASK); 647 return (void __user *)((sp - frame_size) & ALMASK);
646} 648}
647 649
648int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs, 650int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
649 int signr, sigset_t *set) 651 int signr, sigset_t *set)
650{ 652{
651 struct sigframe *frame; 653 struct sigframe __user *frame;
652 int err = 0; 654 int err = 0;
653 655
654 frame = get_sigframe(ka, regs, sizeof(*frame)); 656 frame = get_sigframe(ka, regs, sizeof(*frame));
@@ -692,17 +694,17 @@ int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
692 current->comm, current->pid, 694 current->comm, current->pid,
693 frame, regs->cp0_epc, frame->sf_code); 695 frame, regs->cp0_epc, frame->sf_code);
694#endif 696#endif
695 return 1; 697 return 0;
696 698
697give_sigsegv: 699give_sigsegv:
698 force_sigsegv(signr, current); 700 force_sigsegv(signr, current);
699 return 0; 701 return -EFAULT;
700} 702}
701 703
702int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, 704int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
703 int signr, sigset_t *set, siginfo_t *info) 705 int signr, sigset_t *set, siginfo_t *info)
704{ 706{
705 struct rt_sigframe32 *frame; 707 struct rt_sigframe32 __user *frame;
706 int err = 0; 708 int err = 0;
707 s32 sp; 709 s32 sp;
708 710
@@ -763,11 +765,11 @@ int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
763 current->comm, current->pid, 765 current->comm, current->pid,
764 frame, regs->cp0_epc, frame->rs_code); 766 frame, regs->cp0_epc, frame->rs_code);
765#endif 767#endif
766 return 1; 768 return 0;
767 769
768give_sigsegv: 770give_sigsegv:
769 force_sigsegv(signr, current); 771 force_sigsegv(signr, current);
770 return 0; 772 return -EFAULT;
771} 773}
772 774
773static inline int handle_signal(unsigned long sig, siginfo_t *info, 775static inline int handle_signal(unsigned long sig, siginfo_t *info,
@@ -855,7 +857,7 @@ no_signal:
855} 857}
856 858
857asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 *act, 859asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 *act,
858 struct sigaction32 *oact, 860 struct sigaction32 __user *oact,
859 unsigned int sigsetsize) 861 unsigned int sigsetsize)
860{ 862{
861 struct k_sigaction new_sa, old_sa; 863 struct k_sigaction new_sa, old_sa;
@@ -872,7 +874,7 @@ asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 *act,
872 if (!access_ok(VERIFY_READ, act, sizeof(*act))) 874 if (!access_ok(VERIFY_READ, act, sizeof(*act)))
873 return -EFAULT; 875 return -EFAULT;
874 err |= __get_user(handler, &act->sa_handler); 876 err |= __get_user(handler, &act->sa_handler);
875 new_sa.sa.sa_handler = (void*)(s64)handler; 877 new_sa.sa.sa_handler = (void __user *)(s64)handler;
876 err |= __get_user(new_sa.sa.sa_flags, &act->sa_flags); 878 err |= __get_user(new_sa.sa.sa_flags, &act->sa_flags);
877 err |= get_sigset(&new_sa.sa.sa_mask, &act->sa_mask); 879 err |= get_sigset(&new_sa.sa.sa_mask, &act->sa_mask);
878 if (err) 880 if (err)
@@ -899,7 +901,7 @@ out:
899} 901}
900 902
901asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t *set, 903asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t *set,
902 compat_sigset_t *oset, unsigned int sigsetsize) 904 compat_sigset_t __user *oset, unsigned int sigsetsize)
903{ 905{
904 sigset_t old_set, new_set; 906 sigset_t old_set, new_set;
905 int ret; 907 int ret;
@@ -909,8 +911,9 @@ asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t *set,
909 return -EFAULT; 911 return -EFAULT;
910 912
911 set_fs (KERNEL_DS); 913 set_fs (KERNEL_DS);
912 ret = sys_rt_sigprocmask(how, set ? &new_set : NULL, 914 ret = sys_rt_sigprocmask(how, set ? (sigset_t __user *)&new_set : NULL,
913 oset ? &old_set : NULL, sigsetsize); 915 oset ? (sigset_t __user *)&old_set : NULL,
916 sigsetsize);
914 set_fs (old_fs); 917 set_fs (old_fs);
915 918
916 if (!ret && oset && put_sigset(&old_set, oset)) 919 if (!ret && oset && put_sigset(&old_set, oset))
@@ -919,7 +922,7 @@ asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t *set,
919 return ret; 922 return ret;
920} 923}
921 924
922asmlinkage int sys32_rt_sigpending(compat_sigset_t *uset, 925asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *uset,
923 unsigned int sigsetsize) 926 unsigned int sigsetsize)
924{ 927{
925 int ret; 928 int ret;
@@ -927,7 +930,7 @@ asmlinkage int sys32_rt_sigpending(compat_sigset_t *uset,
927 mm_segment_t old_fs = get_fs(); 930 mm_segment_t old_fs = get_fs();
928 931
929 set_fs (KERNEL_DS); 932 set_fs (KERNEL_DS);
930 ret = sys_rt_sigpending(&set, sigsetsize); 933 ret = sys_rt_sigpending((sigset_t __user *)&set, sigsetsize);
931 set_fs (old_fs); 934 set_fs (old_fs);
932 935
933 if (!ret && put_sigset(&set, uset)) 936 if (!ret && put_sigset(&set, uset))
@@ -936,7 +939,7 @@ asmlinkage int sys32_rt_sigpending(compat_sigset_t *uset,
936 return ret; 939 return ret;
937} 940}
938 941
939asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t *uinfo) 942asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
940{ 943{
941 siginfo_t info; 944 siginfo_t info;
942 int ret; 945 int ret;
@@ -946,7 +949,7 @@ asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t *uinfo)
946 copy_from_user (info._sifields._pad, uinfo->_sifields._pad, SI_PAD_SIZE)) 949 copy_from_user (info._sifields._pad, uinfo->_sifields._pad, SI_PAD_SIZE))
947 return -EFAULT; 950 return -EFAULT;
948 set_fs (KERNEL_DS); 951 set_fs (KERNEL_DS);
949 ret = sys_rt_sigqueueinfo(pid, sig, &info); 952 ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *)&info);
950 set_fs (old_fs); 953 set_fs (old_fs);
951 return ret; 954 return ret;
952} 955}
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index ec61b2670ba6..384fc4a639a4 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -48,6 +48,8 @@
48#define __NR_N32_rt_sigreturn 6211 48#define __NR_N32_rt_sigreturn 6211
49#define __NR_N32_restart_syscall 6214 49#define __NR_N32_restart_syscall 6214
50 50
51#define DEBUG_SIG 0
52
51#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) 53#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
52 54
53/* IRIX compatible stack_t */ 55/* IRIX compatible stack_t */
@@ -83,12 +85,12 @@ save_static_function(sysn32_rt_sigreturn);
83__attribute_used__ noinline static void 85__attribute_used__ noinline static void
84_sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) 86_sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
85{ 87{
86 struct rt_sigframe_n32 *frame; 88 struct rt_sigframe_n32 __user *frame;
87 sigset_t set; 89 sigset_t set;
88 stack_t st; 90 stack_t st;
89 s32 sp; 91 s32 sp;
90 92
91 frame = (struct rt_sigframe_n32 *) regs.regs[29]; 93 frame = (struct rt_sigframe_n32 __user *) regs.regs[29];
92 if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) 94 if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
93 goto badframe; 95 goto badframe;
94 if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set))) 96 if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
@@ -114,7 +116,7 @@ _sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
114 116
115 /* It is more difficult to avoid calling this function than to 117 /* It is more difficult to avoid calling this function than to
116 call it and ignore errors. */ 118 call it and ignore errors. */
117 do_sigaltstack(&st, NULL, regs.regs[29]); 119 do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]);
118 120
119 /* 121 /*
120 * Don't let your children do this ... 122 * Don't let your children do this ...
@@ -133,7 +135,7 @@ badframe:
133int setup_rt_frame_n32(struct k_sigaction * ka, 135int setup_rt_frame_n32(struct k_sigaction * ka,
134 struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info) 136 struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info)
135{ 137{
136 struct rt_sigframe_n32 *frame; 138 struct rt_sigframe_n32 __user *frame;
137 int err = 0; 139 int err = 0;
138 s32 sp; 140 s32 sp;
139 141
@@ -184,9 +186,9 @@ int setup_rt_frame_n32(struct k_sigaction * ka,
184 current->comm, current->pid, 186 current->comm, current->pid,
185 frame, regs->cp0_epc, regs->regs[31]); 187 frame, regs->cp0_epc, regs->regs[31]);
186#endif 188#endif
187 return 1; 189 return 0;
188 190
189give_sigsegv: 191give_sigsegv:
190 force_sigsegv(signr, current); 192 force_sigsegv(signr, current);
191 return 0; 193 return -EFAULT;
192} 194}
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 332358430ff5..1da2eeb3ef9e 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -212,12 +212,12 @@ asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs)
212 int error; 212 int error;
213 char * filename; 213 char * filename;
214 214
215 filename = getname((char *) (long)regs.regs[4]); 215 filename = getname((char __user *) (long)regs.regs[4]);
216 error = PTR_ERR(filename); 216 error = PTR_ERR(filename);
217 if (IS_ERR(filename)) 217 if (IS_ERR(filename))
218 goto out; 218 goto out;
219 error = do_execve(filename, (char **) (long)regs.regs[5], 219 error = do_execve(filename, (char __user *__user *) (long)regs.regs[5],
220 (char **) (long)regs.regs[6], &regs); 220 (char __user *__user *) (long)regs.regs[6], &regs);
221 putname(filename); 221 putname(filename);
222 222
223out: 223out:
@@ -227,7 +227,7 @@ out:
227/* 227/*
228 * Compacrapability ... 228 * Compacrapability ...
229 */ 229 */
230asmlinkage int sys_uname(struct old_utsname * name) 230asmlinkage int sys_uname(struct old_utsname __user * name)
231{ 231{
232 if (name && !copy_to_user(name, &system_utsname, sizeof (*name))) 232 if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
233 return 0; 233 return 0;
@@ -237,7 +237,7 @@ asmlinkage int sys_uname(struct old_utsname * name)
237/* 237/*
238 * Compacrapability ... 238 * Compacrapability ...
239 */ 239 */
240asmlinkage int sys_olduname(struct oldold_utsname * name) 240asmlinkage int sys_olduname(struct oldold_utsname __user * name)
241{ 241{
242 int error; 242 int error;
243 243
@@ -274,7 +274,7 @@ void sys_set_thread_area(unsigned long addr)
274asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) 274asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
275{ 275{
276 int tmp, len; 276 int tmp, len;
277 char *name; 277 char __user *name;
278 278
279 switch(cmd) { 279 switch(cmd) {
280 case SETNAME: { 280 case SETNAME: {
@@ -283,7 +283,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
283 if (!capable(CAP_SYS_ADMIN)) 283 if (!capable(CAP_SYS_ADMIN))
284 return -EPERM; 284 return -EPERM;
285 285
286 name = (char *) arg1; 286 name = (char __user *) arg1;
287 287
288 len = strncpy_from_user(nodename, name, __NEW_UTS_LEN); 288 len = strncpy_from_user(nodename, name, __NEW_UTS_LEN);
289 if (len < 0) 289 if (len < 0)
@@ -324,7 +324,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
324 * This is really horribly ugly. 324 * This is really horribly ugly.
325 */ 325 */
326asmlinkage int sys_ipc (uint call, int first, int second, 326asmlinkage int sys_ipc (uint call, int first, int second,
327 unsigned long third, void *ptr, long fifth) 327 unsigned long third, void __user *ptr, long fifth)
328{ 328{
329 int version, ret; 329 int version, ret;
330 330
@@ -333,24 +333,25 @@ asmlinkage int sys_ipc (uint call, int first, int second,
333 333
334 switch (call) { 334 switch (call) {
335 case SEMOP: 335 case SEMOP:
336 return sys_semtimedop (first, (struct sembuf *)ptr, second, 336 return sys_semtimedop (first, (struct sembuf __user *)ptr,
337 NULL); 337 second, NULL);
338 case SEMTIMEDOP: 338 case SEMTIMEDOP:
339 return sys_semtimedop (first, (struct sembuf *)ptr, second, 339 return sys_semtimedop (first, (struct sembuf __user *)ptr,
340 (const struct timespec __user *)fifth); 340 second,
341 (const struct timespec __user *)fifth);
341 case SEMGET: 342 case SEMGET:
342 return sys_semget (first, second, third); 343 return sys_semget (first, second, third);
343 case SEMCTL: { 344 case SEMCTL: {
344 union semun fourth; 345 union semun fourth;
345 if (!ptr) 346 if (!ptr)
346 return -EINVAL; 347 return -EINVAL;
347 if (get_user(fourth.__pad, (void **) ptr)) 348 if (get_user(fourth.__pad, (void *__user *) ptr))
348 return -EFAULT; 349 return -EFAULT;
349 return sys_semctl (first, second, third, fourth); 350 return sys_semctl (first, second, third, fourth);
350 } 351 }
351 352
352 case MSGSND: 353 case MSGSND:
353 return sys_msgsnd (first, (struct msgbuf *) ptr, 354 return sys_msgsnd (first, (struct msgbuf __user *) ptr,
354 second, third); 355 second, third);
355 case MSGRCV: 356 case MSGRCV:
356 switch (version) { 357 switch (version) {
@@ -360,7 +361,7 @@ asmlinkage int sys_ipc (uint call, int first, int second,
360 return -EINVAL; 361 return -EINVAL;
361 362
362 if (copy_from_user(&tmp, 363 if (copy_from_user(&tmp,
363 (struct ipc_kludge *) ptr, 364 (struct ipc_kludge __user *) ptr,
364 sizeof (tmp))) 365 sizeof (tmp)))
365 return -EFAULT; 366 return -EFAULT;
366 return sys_msgrcv (first, tmp.msgp, second, 367 return sys_msgrcv (first, tmp.msgp, second,
@@ -368,35 +369,38 @@ asmlinkage int sys_ipc (uint call, int first, int second,
368 } 369 }
369 default: 370 default:
370 return sys_msgrcv (first, 371 return sys_msgrcv (first,
371 (struct msgbuf *) ptr, 372 (struct msgbuf __user *) ptr,
372 second, fifth, third); 373 second, fifth, third);
373 } 374 }
374 case MSGGET: 375 case MSGGET:
375 return sys_msgget ((key_t) first, second); 376 return sys_msgget ((key_t) first, second);
376 case MSGCTL: 377 case MSGCTL:
377 return sys_msgctl (first, second, (struct msqid_ds *) ptr); 378 return sys_msgctl (first, second,
379 (struct msqid_ds __user *) ptr);
378 380
379 case SHMAT: 381 case SHMAT:
380 switch (version) { 382 switch (version) {
381 default: { 383 default: {
382 ulong raddr; 384 ulong raddr;
383 ret = do_shmat (first, (char *) ptr, second, &raddr); 385 ret = do_shmat (first, (char __user *) ptr, second,
386 &raddr);
384 if (ret) 387 if (ret)
385 return ret; 388 return ret;
386 return put_user (raddr, (ulong *) third); 389 return put_user (raddr, (ulong __user *) third);
387 } 390 }
388 case 1: /* iBCS2 emulator entry point */ 391 case 1: /* iBCS2 emulator entry point */
389 if (!segment_eq(get_fs(), get_ds())) 392 if (!segment_eq(get_fs(), get_ds()))
390 return -EINVAL; 393 return -EINVAL;
391 return do_shmat (first, (char *) ptr, second, (ulong *) third); 394 return do_shmat (first, (char __user *) ptr, second,
395 (ulong *) third);
392 } 396 }
393 case SHMDT: 397 case SHMDT:
394 return sys_shmdt ((char *)ptr); 398 return sys_shmdt ((char __user *)ptr);
395 case SHMGET: 399 case SHMGET:
396 return sys_shmget (first, second, third); 400 return sys_shmget (first, second, third);
397 case SHMCTL: 401 case SHMCTL:
398 return sys_shmctl (first, second, 402 return sys_shmctl (first, second,
399 (struct shmid_ds *) ptr); 403 (struct shmid_ds __user *) ptr);
400 default: 404 default:
401 return -ENOSYS; 405 return -ENOSYS;
402 } 406 }
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 59a187956de0..c9d2b5147ca3 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1168,7 +1168,7 @@ void __init per_cpu_trap_init(void)
1168#endif 1168#endif
1169 if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV) 1169 if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV)
1170 status_set |= ST0_XX; 1170 status_set |= ST0_XX;
1171 change_c0_status(ST0_CU|ST0_MX|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX, 1171 change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX,
1172 status_set); 1172 status_set);
1173 1173
1174 if (cpu_has_dsp) 1174 if (cpu_has_dsp)
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 25cc856d8e7e..ff699dbb99f7 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -1,4 +1,5 @@
1#include <linux/config.h> 1#include <linux/config.h>
2#include <asm/asm-offsets.h>
2#include <asm-generic/vmlinux.lds.h> 3#include <asm-generic/vmlinux.lds.h>
3 4
4#undef mips /* CPP really sucks for this job */ 5#undef mips /* CPP really sucks for this job */
@@ -64,10 +65,10 @@ SECTIONS
64 we can shorten the on-disk segment size. */ 65 we can shorten the on-disk segment size. */
65 .sdata : { *(.sdata) } 66 .sdata : { *(.sdata) }
66 67
67 . = ALIGN(4096); 68 . = ALIGN(_PAGE_SIZE);
68 __nosave_begin = .; 69 __nosave_begin = .;
69 .data_nosave : { *(.data.nosave) } 70 .data_nosave : { *(.data.nosave) }
70 . = ALIGN(4096); 71 . = ALIGN(_PAGE_SIZE);
71 __nosave_end = .; 72 __nosave_end = .;
72 73
73 . = ALIGN(32); 74 . = ALIGN(32);
@@ -76,7 +77,7 @@ SECTIONS
76 _edata = .; /* End of data section */ 77 _edata = .; /* End of data section */
77 78
78 /* will be freed after init */ 79 /* will be freed after init */
79 . = ALIGN(4096); /* Init code and data */ 80 . = ALIGN(_PAGE_SIZE); /* Init code and data */
80 __init_begin = .; 81 __init_begin = .;
81 .init.text : { 82 .init.text : {
82 _sinittext = .; 83 _sinittext = .;
@@ -105,7 +106,7 @@ SECTIONS
105 .con_initcall.init : { *(.con_initcall.init) } 106 .con_initcall.init : { *(.con_initcall.init) }
106 __con_initcall_end = .; 107 __con_initcall_end = .;
107 SECURITY_INIT 108 SECURITY_INIT
108 . = ALIGN(4096); 109 . = ALIGN(_PAGE_SIZE);
109 __initramfs_start = .; 110 __initramfs_start = .;
110 .init.ramfs : { *(.init.ramfs) } 111 .init.ramfs : { *(.init.ramfs) }
111 __initramfs_end = .; 112 __initramfs_end = .;
@@ -113,7 +114,7 @@ SECTIONS
113 __per_cpu_start = .; 114 __per_cpu_start = .;
114 .data.percpu : { *(.data.percpu) } 115 .data.percpu : { *(.data.percpu) }
115 __per_cpu_end = .; 116 __per_cpu_end = .;
116 . = ALIGN(4096); 117 . = ALIGN(_PAGE_SIZE);
117 __init_end = .; 118 __init_end = .;
118 /* freed after init ends here */ 119 /* freed after init ends here */
119 120
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 20:54:56 -0500