diff options
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/Kbuild | 4 | ||||
-rw-r--r-- | arch/mips/Kconfig | 4 | ||||
-rw-r--r-- | arch/mips/boot/compressed/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/dec/Platform | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/fcntl.h | 1 | ||||
-rw-r--r-- | arch/mips/include/asm/siginfo.h | 1 | ||||
-rw-r--r-- | arch/mips/jz4740/Platform | 2 | ||||
-rw-r--r-- | arch/mips/kernel/branch.c | 1 | ||||
-rw-r--r-- | arch/mips/kernel/ptrace.c | 4 | ||||
-rw-r--r-- | arch/mips/kernel/scall32-o32.S | 11 | ||||
-rw-r--r-- | arch/mips/kernel/scall64-64.S | 7 | ||||
-rw-r--r-- | arch/mips/kernel/scall64-n32.S | 12 | ||||
-rw-r--r-- | arch/mips/kernel/scall64-o32.S | 15 | ||||
-rw-r--r-- | arch/mips/kernel/signal.c | 45 | ||||
-rw-r--r-- | arch/mips/kernel/signal_n32.c | 5 | ||||
-rw-r--r-- | arch/mips/kernel/unaligned.c | 2 |
16 files changed, 66 insertions, 52 deletions
diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild index e322d65f33a4..7dd65cfae837 100644 --- a/arch/mips/Kbuild +++ b/arch/mips/Kbuild | |||
@@ -7,6 +7,10 @@ subdir-ccflags-y := -Werror | |||
7 | include arch/mips/Kbuild.platforms | 7 | include arch/mips/Kbuild.platforms |
8 | obj-y := $(platform-y) | 8 | obj-y := $(platform-y) |
9 | 9 | ||
10 | # make clean traverses $(obj-) without having included .config, so | ||
11 | # everything ends up here | ||
12 | obj- := $(platform-) | ||
13 | |||
10 | # mips object files | 14 | # mips object files |
11 | # The object files are linked as core-y files would be linked | 15 | # The object files are linked as core-y files would be linked |
12 | 16 | ||
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 5526faabfc21..4c9f402295dd 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig | |||
@@ -881,11 +881,15 @@ config NO_IOPORT | |||
881 | config GENERIC_ISA_DMA | 881 | config GENERIC_ISA_DMA |
882 | bool | 882 | bool |
883 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | 883 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n |
884 | select ISA_DMA_API | ||
884 | 885 | ||
885 | config GENERIC_ISA_DMA_SUPPORT_BROKEN | 886 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
886 | bool | 887 | bool |
887 | select GENERIC_ISA_DMA | 888 | select GENERIC_ISA_DMA |
888 | 889 | ||
890 | config ISA_DMA_API | ||
891 | bool | ||
892 | |||
889 | config GENERIC_GPIO | 893 | config GENERIC_GPIO |
890 | bool | 894 | bool |
891 | 895 | ||
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 5fd7f7a58b7e..5042d51b0512 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile | |||
@@ -105,4 +105,4 @@ OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec | |||
105 | vmlinuz.srec: vmlinuz | 105 | vmlinuz.srec: vmlinuz |
106 | $(call cmd,objcopy) | 106 | $(call cmd,objcopy) |
107 | 107 | ||
108 | clean-files := $(objtree)/vmlinuz.* | 108 | clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} |
diff --git a/arch/mips/dec/Platform b/arch/mips/dec/Platform index 3adbcbd95db1..cf55a6f4e720 100644 --- a/arch/mips/dec/Platform +++ b/arch/mips/dec/Platform | |||
@@ -1,7 +1,7 @@ | |||
1 | # | 1 | # |
2 | # DECstation family | 2 | # DECstation family |
3 | # | 3 | # |
4 | platform-$(CONFIG_MACH_DECSTATION) = dec/ | 4 | platform-$(CONFIG_MACH_DECSTATION) += dec/ |
5 | cflags-$(CONFIG_MACH_DECSTATION) += \ | 5 | cflags-$(CONFIG_MACH_DECSTATION) += \ |
6 | -I$(srctree)/arch/mips/include/asm/mach-dec | 6 | -I$(srctree)/arch/mips/include/asm/mach-dec |
7 | libs-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/prom/ | 7 | libs-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/prom/ |
diff --git a/arch/mips/include/asm/fcntl.h b/arch/mips/include/asm/fcntl.h index e482fe90fe88..75eddedcfc3e 100644 --- a/arch/mips/include/asm/fcntl.h +++ b/arch/mips/include/asm/fcntl.h | |||
@@ -56,6 +56,7 @@ | |||
56 | */ | 56 | */ |
57 | 57 | ||
58 | #ifdef CONFIG_32BIT | 58 | #ifdef CONFIG_32BIT |
59 | #include <linux/types.h> | ||
59 | 60 | ||
60 | struct flock { | 61 | struct flock { |
61 | short l_type; | 62 | short l_type; |
diff --git a/arch/mips/include/asm/siginfo.h b/arch/mips/include/asm/siginfo.h index 96e28f18dad1..1ca64b4d33d9 100644 --- a/arch/mips/include/asm/siginfo.h +++ b/arch/mips/include/asm/siginfo.h | |||
@@ -88,6 +88,7 @@ typedef struct siginfo { | |||
88 | #ifdef __ARCH_SI_TRAPNO | 88 | #ifdef __ARCH_SI_TRAPNO |
89 | int _trapno; /* TRAP # which caused the signal */ | 89 | int _trapno; /* TRAP # which caused the signal */ |
90 | #endif | 90 | #endif |
91 | short _addr_lsb; | ||
91 | } _sigfault; | 92 | } _sigfault; |
92 | 93 | ||
93 | /* SIGPOLL, SIGXFSZ (To do ...) */ | 94 | /* SIGPOLL, SIGXFSZ (To do ...) */ |
diff --git a/arch/mips/jz4740/Platform b/arch/mips/jz4740/Platform index 6a97230e3d05..ba91be9c21ef 100644 --- a/arch/mips/jz4740/Platform +++ b/arch/mips/jz4740/Platform | |||
@@ -1,3 +1,3 @@ | |||
1 | core-$(CONFIG_MACH_JZ4740) += arch/mips/jz4740/ | 1 | platform-$(CONFIG_MACH_JZ4740) += jz4740/ |
2 | cflags-$(CONFIG_MACH_JZ4740) += -I$(srctree)/arch/mips/include/asm/mach-jz4740 | 2 | cflags-$(CONFIG_MACH_JZ4740) += -I$(srctree)/arch/mips/include/asm/mach-jz4740 |
3 | load-$(CONFIG_MACH_JZ4740) += 0xffffffff80010000 | 3 | load-$(CONFIG_MACH_JZ4740) += 0xffffffff80010000 |
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index 0176ed015c89..32103cc2a257 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c | |||
@@ -40,7 +40,6 @@ int __compute_return_epc(struct pt_regs *regs) | |||
40 | return -EFAULT; | 40 | return -EFAULT; |
41 | } | 41 | } |
42 | 42 | ||
43 | regs->regs[0] = 0; | ||
44 | switch (insn.i_format.opcode) { | 43 | switch (insn.i_format.opcode) { |
45 | /* | 44 | /* |
46 | * jr and jalr are in r_format format. | 45 | * jr and jalr are in r_format format. |
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index c51b95ff8644..c8777333e198 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c | |||
@@ -536,7 +536,7 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) | |||
536 | { | 536 | { |
537 | /* do the secure computing check first */ | 537 | /* do the secure computing check first */ |
538 | if (!entryexit) | 538 | if (!entryexit) |
539 | secure_computing(regs->regs[0]); | 539 | secure_computing(regs->regs[2]); |
540 | 540 | ||
541 | if (unlikely(current->audit_context) && entryexit) | 541 | if (unlikely(current->audit_context) && entryexit) |
542 | audit_syscall_exit(AUDITSC_RESULT(regs->regs[2]), | 542 | audit_syscall_exit(AUDITSC_RESULT(regs->regs[2]), |
@@ -565,7 +565,7 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) | |||
565 | 565 | ||
566 | out: | 566 | out: |
567 | if (unlikely(current->audit_context) && !entryexit) | 567 | if (unlikely(current->audit_context) && !entryexit) |
568 | audit_syscall_entry(audit_arch(), regs->regs[0], | 568 | audit_syscall_entry(audit_arch(), regs->regs[2], |
569 | regs->regs[4], regs->regs[5], | 569 | regs->regs[4], regs->regs[5], |
570 | regs->regs[6], regs->regs[7]); | 570 | regs->regs[6], regs->regs[7]); |
571 | } | 571 | } |
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 584415eef8c9..fbaabad0e6e2 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S | |||
@@ -63,9 +63,9 @@ stack_done: | |||
63 | sw t0, PT_R7(sp) # set error flag | 63 | sw t0, PT_R7(sp) # set error flag |
64 | beqz t0, 1f | 64 | beqz t0, 1f |
65 | 65 | ||
66 | lw t1, PT_R2(sp) # syscall number | ||
66 | negu v0 # error | 67 | negu v0 # error |
67 | sw v0, PT_R0(sp) # set flag for syscall | 68 | sw t1, PT_R0(sp) # save it for syscall restarting |
68 | # restarting | ||
69 | 1: sw v0, PT_R2(sp) # result | 69 | 1: sw v0, PT_R2(sp) # result |
70 | 70 | ||
71 | o32_syscall_exit: | 71 | o32_syscall_exit: |
@@ -104,9 +104,9 @@ syscall_trace_entry: | |||
104 | sw t0, PT_R7(sp) # set error flag | 104 | sw t0, PT_R7(sp) # set error flag |
105 | beqz t0, 1f | 105 | beqz t0, 1f |
106 | 106 | ||
107 | lw t1, PT_R2(sp) # syscall number | ||
107 | negu v0 # error | 108 | negu v0 # error |
108 | sw v0, PT_R0(sp) # set flag for syscall | 109 | sw t1, PT_R0(sp) # save it for syscall restarting |
109 | # restarting | ||
110 | 1: sw v0, PT_R2(sp) # result | 110 | 1: sw v0, PT_R2(sp) # result |
111 | 111 | ||
112 | j syscall_exit | 112 | j syscall_exit |
@@ -169,8 +169,7 @@ stackargs: | |||
169 | * We probably should handle this case a bit more drastic. | 169 | * We probably should handle this case a bit more drastic. |
170 | */ | 170 | */ |
171 | bad_stack: | 171 | bad_stack: |
172 | negu v0 # error | 172 | li v0, EFAULT |
173 | sw v0, PT_R0(sp) | ||
174 | sw v0, PT_R2(sp) | 173 | sw v0, PT_R2(sp) |
175 | li t0, 1 # set error flag | 174 | li t0, 1 # set error flag |
176 | sw t0, PT_R7(sp) | 175 | sw t0, PT_R7(sp) |
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 5573f8e4e326..3f4179283207 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S | |||
@@ -66,9 +66,9 @@ NESTED(handle_sys64, PT_SIZE, sp) | |||
66 | sd t0, PT_R7(sp) # set error flag | 66 | sd t0, PT_R7(sp) # set error flag |
67 | beqz t0, 1f | 67 | beqz t0, 1f |
68 | 68 | ||
69 | ld t1, PT_R2(sp) # syscall number | ||
69 | dnegu v0 # error | 70 | dnegu v0 # error |
70 | sd v0, PT_R0(sp) # set flag for syscall | 71 | sd t1, PT_R0(sp) # save it for syscall restarting |
71 | # restarting | ||
72 | 1: sd v0, PT_R2(sp) # result | 72 | 1: sd v0, PT_R2(sp) # result |
73 | 73 | ||
74 | n64_syscall_exit: | 74 | n64_syscall_exit: |
@@ -109,8 +109,9 @@ syscall_trace_entry: | |||
109 | sd t0, PT_R7(sp) # set error flag | 109 | sd t0, PT_R7(sp) # set error flag |
110 | beqz t0, 1f | 110 | beqz t0, 1f |
111 | 111 | ||
112 | ld t1, PT_R2(sp) # syscall number | ||
112 | dnegu v0 # error | 113 | dnegu v0 # error |
113 | sd v0, PT_R0(sp) # set flag for syscall restarting | 114 | sd t1, PT_R0(sp) # save it for syscall restarting |
114 | 1: sd v0, PT_R2(sp) # result | 115 | 1: sd v0, PT_R2(sp) # result |
115 | 116 | ||
116 | j syscall_exit | 117 | j syscall_exit |
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 1e38ec97672e..f08ece6d8acc 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S | |||
@@ -65,8 +65,9 @@ NESTED(handle_sysn32, PT_SIZE, sp) | |||
65 | sd t0, PT_R7(sp) # set error flag | 65 | sd t0, PT_R7(sp) # set error flag |
66 | beqz t0, 1f | 66 | beqz t0, 1f |
67 | 67 | ||
68 | ld t1, PT_R2(sp) # syscall number | ||
68 | dnegu v0 # error | 69 | dnegu v0 # error |
69 | sd v0, PT_R0(sp) # set flag for syscall restarting | 70 | sd t1, PT_R0(sp) # save it for syscall restarting |
70 | 1: sd v0, PT_R2(sp) # result | 71 | 1: sd v0, PT_R2(sp) # result |
71 | 72 | ||
72 | local_irq_disable # make sure need_resched and | 73 | local_irq_disable # make sure need_resched and |
@@ -106,8 +107,9 @@ n32_syscall_trace_entry: | |||
106 | sd t0, PT_R7(sp) # set error flag | 107 | sd t0, PT_R7(sp) # set error flag |
107 | beqz t0, 1f | 108 | beqz t0, 1f |
108 | 109 | ||
110 | ld t1, PT_R2(sp) # syscall number | ||
109 | dnegu v0 # error | 111 | dnegu v0 # error |
110 | sd v0, PT_R0(sp) # set flag for syscall restarting | 112 | sd t1, PT_R0(sp) # save it for syscall restarting |
111 | 1: sd v0, PT_R2(sp) # result | 113 | 1: sd v0, PT_R2(sp) # result |
112 | 114 | ||
113 | j syscall_exit | 115 | j syscall_exit |
@@ -320,10 +322,10 @@ EXPORT(sysn32_call_table) | |||
320 | PTR sys_cacheflush | 322 | PTR sys_cacheflush |
321 | PTR sys_cachectl | 323 | PTR sys_cachectl |
322 | PTR sys_sysmips | 324 | PTR sys_sysmips |
323 | PTR sys_io_setup /* 6200 */ | 325 | PTR compat_sys_io_setup /* 6200 */ |
324 | PTR sys_io_destroy | 326 | PTR sys_io_destroy |
325 | PTR sys_io_getevents | 327 | PTR compat_sys_io_getevents |
326 | PTR sys_io_submit | 328 | PTR compat_sys_io_submit |
327 | PTR sys_io_cancel | 329 | PTR sys_io_cancel |
328 | PTR sys_exit_group /* 6205 */ | 330 | PTR sys_exit_group /* 6205 */ |
329 | PTR sys_lookup_dcookie | 331 | PTR sys_lookup_dcookie |
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 171979fc98e5..78d768a3e19d 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S | |||
@@ -93,8 +93,9 @@ NESTED(handle_sys, PT_SIZE, sp) | |||
93 | sd t0, PT_R7(sp) # set error flag | 93 | sd t0, PT_R7(sp) # set error flag |
94 | beqz t0, 1f | 94 | beqz t0, 1f |
95 | 95 | ||
96 | ld t1, PT_R2(sp) # syscall number | ||
96 | dnegu v0 # error | 97 | dnegu v0 # error |
97 | sd v0, PT_R0(sp) # flag for syscall restarting | 98 | sd t1, PT_R0(sp) # save it for syscall restarting |
98 | 1: sd v0, PT_R2(sp) # result | 99 | 1: sd v0, PT_R2(sp) # result |
99 | 100 | ||
100 | o32_syscall_exit: | 101 | o32_syscall_exit: |
@@ -142,8 +143,9 @@ trace_a_syscall: | |||
142 | sd t0, PT_R7(sp) # set error flag | 143 | sd t0, PT_R7(sp) # set error flag |
143 | beqz t0, 1f | 144 | beqz t0, 1f |
144 | 145 | ||
146 | ld t1, PT_R2(sp) # syscall number | ||
145 | dnegu v0 # error | 147 | dnegu v0 # error |
146 | sd v0, PT_R0(sp) # set flag for syscall restarting | 148 | sd t1, PT_R0(sp) # save it for syscall restarting |
147 | 1: sd v0, PT_R2(sp) # result | 149 | 1: sd v0, PT_R2(sp) # result |
148 | 150 | ||
149 | j syscall_exit | 151 | j syscall_exit |
@@ -154,8 +156,7 @@ trace_a_syscall: | |||
154 | * The stackpointer for a call with more than 4 arguments is bad. | 156 | * The stackpointer for a call with more than 4 arguments is bad. |
155 | */ | 157 | */ |
156 | bad_stack: | 158 | bad_stack: |
157 | dnegu v0 # error | 159 | li v0, EFAULT |
158 | sd v0, PT_R0(sp) | ||
159 | sd v0, PT_R2(sp) | 160 | sd v0, PT_R2(sp) |
160 | li t0, 1 # set error flag | 161 | li t0, 1 # set error flag |
161 | sd t0, PT_R7(sp) | 162 | sd t0, PT_R7(sp) |
@@ -444,10 +445,10 @@ sys_call_table: | |||
444 | PTR compat_sys_futex | 445 | PTR compat_sys_futex |
445 | PTR compat_sys_sched_setaffinity | 446 | PTR compat_sys_sched_setaffinity |
446 | PTR compat_sys_sched_getaffinity /* 4240 */ | 447 | PTR compat_sys_sched_getaffinity /* 4240 */ |
447 | PTR sys_io_setup | 448 | PTR compat_sys_io_setup |
448 | PTR sys_io_destroy | 449 | PTR sys_io_destroy |
449 | PTR sys_io_getevents | 450 | PTR compat_sys_io_getevents |
450 | PTR sys_io_submit | 451 | PTR compat_sys_io_submit |
451 | PTR sys_io_cancel /* 4245 */ | 452 | PTR sys_io_cancel /* 4245 */ |
452 | PTR sys_exit_group | 453 | PTR sys_exit_group |
453 | PTR sys32_lookup_dcookie | 454 | PTR sys32_lookup_dcookie |
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 2099d5a4c4b7..5922342bca39 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c | |||
@@ -390,7 +390,6 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs) | |||
390 | { | 390 | { |
391 | struct rt_sigframe __user *frame; | 391 | struct rt_sigframe __user *frame; |
392 | sigset_t set; | 392 | sigset_t set; |
393 | stack_t st; | ||
394 | int sig; | 393 | int sig; |
395 | 394 | ||
396 | frame = (struct rt_sigframe __user *) regs.regs[29]; | 395 | frame = (struct rt_sigframe __user *) regs.regs[29]; |
@@ -411,11 +410,9 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs) | |||
411 | else if (sig) | 410 | else if (sig) |
412 | force_sig(sig, current); | 411 | force_sig(sig, current); |
413 | 412 | ||
414 | if (__copy_from_user(&st, &frame->rs_uc.uc_stack, sizeof(st))) | ||
415 | goto badframe; | ||
416 | /* It is more difficult to avoid calling this function than to | 413 | /* It is more difficult to avoid calling this function than to |
417 | call it and ignore errors. */ | 414 | call it and ignore errors. */ |
418 | do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]); | 415 | do_sigaltstack(&frame->rs_uc.uc_stack, NULL, regs.regs[29]); |
419 | 416 | ||
420 | /* | 417 | /* |
421 | * Don't let your children do this ... | 418 | * Don't let your children do this ... |
@@ -550,23 +547,26 @@ static int handle_signal(unsigned long sig, siginfo_t *info, | |||
550 | struct mips_abi *abi = current->thread.abi; | 547 | struct mips_abi *abi = current->thread.abi; |
551 | void *vdso = current->mm->context.vdso; | 548 | void *vdso = current->mm->context.vdso; |
552 | 549 | ||
553 | switch(regs->regs[0]) { | 550 | if (regs->regs[0]) { |
554 | case ERESTART_RESTARTBLOCK: | 551 | switch(regs->regs[2]) { |
555 | case ERESTARTNOHAND: | 552 | case ERESTART_RESTARTBLOCK: |
556 | regs->regs[2] = EINTR; | 553 | case ERESTARTNOHAND: |
557 | break; | ||
558 | case ERESTARTSYS: | ||
559 | if (!(ka->sa.sa_flags & SA_RESTART)) { | ||
560 | regs->regs[2] = EINTR; | 554 | regs->regs[2] = EINTR; |
561 | break; | 555 | break; |
556 | case ERESTARTSYS: | ||
557 | if (!(ka->sa.sa_flags & SA_RESTART)) { | ||
558 | regs->regs[2] = EINTR; | ||
559 | break; | ||
560 | } | ||
561 | /* fallthrough */ | ||
562 | case ERESTARTNOINTR: | ||
563 | regs->regs[7] = regs->regs[26]; | ||
564 | regs->regs[2] = regs->regs[0]; | ||
565 | regs->cp0_epc -= 4; | ||
562 | } | 566 | } |
563 | /* fallthrough */ | ||
564 | case ERESTARTNOINTR: /* Userland will reload $v0. */ | ||
565 | regs->regs[7] = regs->regs[26]; | ||
566 | regs->cp0_epc -= 8; | ||
567 | } | ||
568 | 567 | ||
569 | regs->regs[0] = 0; /* Don't deal with this again. */ | 568 | regs->regs[0] = 0; /* Don't deal with this again. */ |
569 | } | ||
570 | 570 | ||
571 | if (sig_uses_siginfo(ka)) | 571 | if (sig_uses_siginfo(ka)) |
572 | ret = abi->setup_rt_frame(vdso + abi->rt_signal_return_offset, | 572 | ret = abi->setup_rt_frame(vdso + abi->rt_signal_return_offset, |
@@ -575,6 +575,9 @@ static int handle_signal(unsigned long sig, siginfo_t *info, | |||
575 | ret = abi->setup_frame(vdso + abi->signal_return_offset, | 575 | ret = abi->setup_frame(vdso + abi->signal_return_offset, |
576 | ka, regs, sig, oldset); | 576 | ka, regs, sig, oldset); |
577 | 577 | ||
578 | if (ret) | ||
579 | return ret; | ||
580 | |||
578 | spin_lock_irq(¤t->sighand->siglock); | 581 | spin_lock_irq(¤t->sighand->siglock); |
579 | sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); | 582 | sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); |
580 | if (!(ka->sa.sa_flags & SA_NODEFER)) | 583 | if (!(ka->sa.sa_flags & SA_NODEFER)) |
@@ -622,17 +625,13 @@ static void do_signal(struct pt_regs *regs) | |||
622 | return; | 625 | return; |
623 | } | 626 | } |
624 | 627 | ||
625 | /* | ||
626 | * Who's code doesn't conform to the restartable syscall convention | ||
627 | * dies here!!! The li instruction, a single machine instruction, | ||
628 | * must directly be followed by the syscall instruction. | ||
629 | */ | ||
630 | if (regs->regs[0]) { | 628 | if (regs->regs[0]) { |
631 | if (regs->regs[2] == ERESTARTNOHAND || | 629 | if (regs->regs[2] == ERESTARTNOHAND || |
632 | regs->regs[2] == ERESTARTSYS || | 630 | regs->regs[2] == ERESTARTSYS || |
633 | regs->regs[2] == ERESTARTNOINTR) { | 631 | regs->regs[2] == ERESTARTNOINTR) { |
632 | regs->regs[2] = regs->regs[0]; | ||
634 | regs->regs[7] = regs->regs[26]; | 633 | regs->regs[7] = regs->regs[26]; |
635 | regs->cp0_epc -= 8; | 634 | regs->cp0_epc -= 4; |
636 | } | 635 | } |
637 | if (regs->regs[2] == ERESTART_RESTARTBLOCK) { | 636 | if (regs->regs[2] == ERESTART_RESTARTBLOCK) { |
638 | regs->regs[2] = current->thread.abi->restart; | 637 | regs->regs[2] = current->thread.abi->restart; |
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index 2c5df818c65a..ee24d814d5b9 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c | |||
@@ -109,6 +109,7 @@ asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) | |||
109 | asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) | 109 | asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) |
110 | { | 110 | { |
111 | struct rt_sigframe_n32 __user *frame; | 111 | struct rt_sigframe_n32 __user *frame; |
112 | mm_segment_t old_fs; | ||
112 | sigset_t set; | 113 | sigset_t set; |
113 | stack_t st; | 114 | stack_t st; |
114 | s32 sp; | 115 | s32 sp; |
@@ -143,7 +144,11 @@ asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) | |||
143 | 144 | ||
144 | /* It is more difficult to avoid calling this function than to | 145 | /* It is more difficult to avoid calling this function than to |
145 | call it and ignore errors. */ | 146 | call it and ignore errors. */ |
147 | old_fs = get_fs(); | ||
148 | set_fs(KERNEL_DS); | ||
146 | do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]); | 149 | do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]); |
150 | set_fs(old_fs); | ||
151 | |||
147 | 152 | ||
148 | /* | 153 | /* |
149 | * Don't let your children do this ... | 154 | * Don't let your children do this ... |
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index 69b039ca8d83..33d5a5ce4a29 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c | |||
@@ -109,8 +109,6 @@ static void emulate_load_store_insn(struct pt_regs *regs, | |||
109 | unsigned long value; | 109 | unsigned long value; |
110 | unsigned int res; | 110 | unsigned int res; |
111 | 111 | ||
112 | regs->regs[0] = 0; | ||
113 | |||
114 | /* | 112 | /* |
115 | * This load never faults. | 113 | * This load never faults. |
116 | */ | 114 | */ |