diff options
| -rw-r--r-- | arch/mips/kernel/process.c | 5 | ||||
| -rw-r--r-- | arch/mips/kernel/scall32-o32.S | 17 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-64.S | 17 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-n32.S | 17 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-o32.S | 17 | ||||
| -rw-r--r-- | arch/mips/kernel/signal.c | 88 | ||||
| -rw-r--r-- | arch/mips/kernel/signal32.c | 8 | ||||
| -rw-r--r-- | arch/mips/kernel/signal_n32.c | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/syscall.c | 48 | ||||
| -rw-r--r-- | include/asm-mips/abi.h | 4 | ||||
| -rw-r--r-- | include/asm-mips/io.h | 2 | ||||
| -rw-r--r-- | include/asm-mips/thread_info.h | 2 | ||||
| -rw-r--r-- | include/asm-mips/unistd.h | 64 |
13 files changed, 215 insertions, 78 deletions
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 | ||
| 61 | extern int do_signal(sigset_t *oldset, struct pt_regs *regs); | 62 | extern void do_signal(struct pt_regs *regs); |
| 62 | extern int do_signal32(sigset_t *oldset, struct pt_regs *regs); | 63 | extern 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/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.c b/arch/mips/kernel/signal.c index aaec4785e9a6..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 | ||
| 42 | int 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(¤t->sighand->siglock); | 59 | spin_lock_irq(¤t->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(¤t->sighand->siglock); | 63 | spin_unlock_irq(¤t->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, ®s)) | ||
| 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(¤t->sighand->siglock); | 90 | spin_lock_irq(¤t->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(¤t->sighand->siglock); | 94 | spin_unlock_irq(¤t->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, ®s)) | ||
| 108 | return -EINTR; | ||
| 109 | } | ||
| 110 | } | 100 | } |
| 111 | 101 | ||
| 112 | #ifdef CONFIG_TRAD_SIGNALS | 102 | #ifdef CONFIG_TRAD_SIGNALS |
| @@ -315,11 +305,11 @@ 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 | ||
| 320 | give_sigsegv: | 310 | give_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 | ||
| @@ -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 | ||
| 380 | give_sigsegv: | 370 | give_sigsegv: |
| 381 | force_sigsegv(signr, current); | 371 | force_sigsegv(signr, current); |
| 382 | return 0; | 372 | return -EFAULT; |
| 383 | } | 373 | } |
| 384 | 374 | ||
| 385 | static inline int handle_signal(unsigned long sig, siginfo_t *info, | 375 | static 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 | ||
| 423 | int do_signal(sigset_t *oldset, struct pt_regs *regs) | 413 | void 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 = ¤t->saved_sigmask; | ||
| 433 | else | ||
| 441 | oldset = ¤t->blocked; | 434 | oldset = ¤t->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 | ||
| 447 | no_signal: | 452 | no_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, ¤t->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 | */ |
| 473 | asmlinkage void do_notify_resume(struct pt_regs *regs, sigset_t *oldset, | 486 | asmlinkage 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 136260c8f756..da3271e1fdac 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c | |||
| @@ -694,11 +694,11 @@ int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs, | |||
| 694 | current->comm, current->pid, | 694 | current->comm, current->pid, |
| 695 | frame, regs->cp0_epc, frame->sf_code); | 695 | frame, regs->cp0_epc, frame->sf_code); |
| 696 | #endif | 696 | #endif |
| 697 | return 1; | 697 | return 0; |
| 698 | 698 | ||
| 699 | give_sigsegv: | 699 | give_sigsegv: |
| 700 | force_sigsegv(signr, current); | 700 | force_sigsegv(signr, current); |
| 701 | return 0; | 701 | return -EFAULT; |
| 702 | } | 702 | } |
| 703 | 703 | ||
| 704 | int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, | 704 | int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, |
| @@ -765,11 +765,11 @@ int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, | |||
| 765 | current->comm, current->pid, | 765 | current->comm, current->pid, |
| 766 | frame, regs->cp0_epc, frame->rs_code); | 766 | frame, regs->cp0_epc, frame->rs_code); |
| 767 | #endif | 767 | #endif |
| 768 | return 1; | 768 | return 0; |
| 769 | 769 | ||
| 770 | give_sigsegv: | 770 | give_sigsegv: |
| 771 | force_sigsegv(signr, current); | 771 | force_sigsegv(signr, current); |
| 772 | return 0; | 772 | return -EFAULT; |
| 773 | } | 773 | } |
| 774 | 774 | ||
| 775 | static inline int handle_signal(unsigned long sig, siginfo_t *info, | 775 | static inline int handle_signal(unsigned long sig, siginfo_t *info, |
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index 9156863c1a5d..384fc4a639a4 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c | |||
| @@ -186,9 +186,9 @@ int setup_rt_frame_n32(struct k_sigaction * ka, | |||
| 186 | current->comm, current->pid, | 186 | current->comm, current->pid, |
| 187 | frame, regs->cp0_epc, regs->regs[31]); | 187 | frame, regs->cp0_epc, regs->regs[31]); |
| 188 | #endif | 188 | #endif |
| 189 | return 1; | 189 | return 0; |
| 190 | 190 | ||
| 191 | give_sigsegv: | 191 | give_sigsegv: |
| 192 | force_sigsegv(signr, current); | 192 | force_sigsegv(signr, current); |
| 193 | return 0; | 193 | return -EFAULT; |
| 194 | } | 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], ®s); | 220 | (char __user *__user *) (long)regs.regs[6], ®s); |
| 221 | putname(filename); | 221 | putname(filename); |
| 222 | 222 | ||
| 223 | out: | 223 | out: |
| @@ -227,7 +227,7 @@ out: | |||
| 227 | /* | 227 | /* |
| 228 | * Compacrapability ... | 228 | * Compacrapability ... |
| 229 | */ | 229 | */ |
| 230 | asmlinkage int sys_uname(struct old_utsname * name) | 230 | asmlinkage 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 | */ |
| 240 | asmlinkage int sys_olduname(struct oldold_utsname * name) | 240 | asmlinkage 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) | |||
| 274 | asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) | 274 | asmlinkage 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 | */ |
| 326 | asmlinkage int sys_ipc (uint call, int first, int second, | 326 | asmlinkage 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/include/asm-mips/abi.h b/include/asm-mips/abi.h index 2e7e651c3e3f..1ce0518ace2e 100644 --- a/include/asm-mips/abi.h +++ b/include/asm-mips/abi.h | |||
| @@ -3,7 +3,7 @@ | |||
| 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) 2005 by Ralf Baechle | 6 | * Copyright (C) 2005, 06 by Ralf Baechle (ralf@linux-mips.org) |
| 7 | * Copyright (C) 2005 MIPS Technologies, Inc. | 7 | * Copyright (C) 2005 MIPS Technologies, Inc. |
| 8 | */ | 8 | */ |
| 9 | #ifndef _ASM_ABI_H | 9 | #ifndef _ASM_ABI_H |
| @@ -13,7 +13,7 @@ | |||
| 13 | #include <asm/siginfo.h> | 13 | #include <asm/siginfo.h> |
| 14 | 14 | ||
| 15 | struct mips_abi { | 15 | struct mips_abi { |
| 16 | int (* const do_signal)(sigset_t *oldset, struct pt_regs *regs); | 16 | void (* const do_signal)(struct pt_regs *regs); |
| 17 | int (* const setup_frame)(struct k_sigaction * ka, | 17 | int (* const setup_frame)(struct k_sigaction * ka, |
| 18 | struct pt_regs *regs, int signr, | 18 | struct pt_regs *regs, int signr, |
| 19 | sigset_t *set); | 19 | sigset_t *set); |
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index 6c0aae5151a6..5a4c8a54b8f4 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h | |||
| @@ -342,7 +342,7 @@ static inline void pfx##write##bwlq(type val, \ | |||
| 342 | BUG(); \ | 342 | BUG(); \ |
| 343 | } \ | 343 | } \ |
| 344 | \ | 344 | \ |
| 345 | static inline type pfx##read##bwlq(volatile void __iomem *mem) \ | 345 | static inline type pfx##read##bwlq(const volatile void __iomem *mem) \ |
| 346 | { \ | 346 | { \ |
| 347 | volatile type *__mem; \ | 347 | volatile type *__mem; \ |
| 348 | type __val; \ | 348 | type __val; \ |
diff --git a/include/asm-mips/thread_info.h b/include/asm-mips/thread_info.h index 1612b3fe1080..fa193f861e71 100644 --- a/include/asm-mips/thread_info.h +++ b/include/asm-mips/thread_info.h | |||
| @@ -114,6 +114,7 @@ register struct thread_info *__current_thread_info __asm__("$28"); | |||
| 114 | #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ | 114 | #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ |
| 115 | #define TIF_SYSCALL_AUDIT 4 /* syscall auditing active */ | 115 | #define TIF_SYSCALL_AUDIT 4 /* syscall auditing active */ |
| 116 | #define TIF_SECCOMP 5 /* secure computing */ | 116 | #define TIF_SECCOMP 5 /* secure computing */ |
| 117 | #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ | ||
| 117 | #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ | 118 | #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ |
| 118 | #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ | 119 | #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ |
| 119 | #define TIF_MEMDIE 18 | 120 | #define TIF_MEMDIE 18 |
| @@ -125,6 +126,7 @@ register struct thread_info *__current_thread_info __asm__("$28"); | |||
| 125 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) | 126 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) |
| 126 | #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) | 127 | #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) |
| 127 | #define _TIF_SECCOMP (1<<TIF_SECCOMP) | 128 | #define _TIF_SECCOMP (1<<TIF_SECCOMP) |
| 129 | #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) | ||
| 128 | #define _TIF_USEDFPU (1<<TIF_USEDFPU) | 130 | #define _TIF_USEDFPU (1<<TIF_USEDFPU) |
| 129 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) | 131 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) |
| 130 | 132 | ||
diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h index 89ea8b60e945..e7ff9b187783 100644 --- a/include/asm-mips/unistd.h +++ b/include/asm-mips/unistd.h | |||
| @@ -307,17 +307,33 @@ | |||
| 307 | #define __NR_inotify_init (__NR_Linux + 284) | 307 | #define __NR_inotify_init (__NR_Linux + 284) |
| 308 | #define __NR_inotify_add_watch (__NR_Linux + 285) | 308 | #define __NR_inotify_add_watch (__NR_Linux + 285) |
| 309 | #define __NR_inotify_rm_watch (__NR_Linux + 286) | 309 | #define __NR_inotify_rm_watch (__NR_Linux + 286) |
| 310 | 310 | #define __NR_migrate_pages (__NR_Linux + 287) | |
| 311 | #define __NR_openat (__NR_Linux + 288) | ||
| 312 | #define __NR_mkdirat (__NR_Linux + 289) | ||
| 313 | #define __NR_mknodat (__NR_Linux + 290) | ||
| 314 | #define __NR_fchownat (__NR_Linux + 291) | ||
| 315 | #define __NR_futimesat (__NR_Linux + 292) | ||
| 316 | #define __NR_newfstatat (__NR_Linux + 293) | ||
| 317 | #define __NR_unlinkat (__NR_Linux + 294) | ||
| 318 | #define __NR_renameat (__NR_Linux + 295) | ||
| 319 | #define __NR_linkat (__NR_Linux + 296) | ||
| 320 | #define __NR_symlinkat (__NR_Linux + 297) | ||
| 321 | #define __NR_readlinkat (__NR_Linux + 298) | ||
| 322 | #define __NR_fchmodat (__NR_Linux + 299) | ||
| 323 | #define __NR_faccessat (__NR_Linux + 300) | ||
| 324 | #define __NR_pselect6 (__NR_Linux + 301) | ||
| 325 | #define __NR_ppoll (__NR_Linux + 302) | ||
| 326 | #define __NR_unshare (__NR_Linux + 303) | ||
| 311 | 327 | ||
| 312 | /* | 328 | /* |
| 313 | * Offset of the last Linux o32 flavoured syscall | 329 | * Offset of the last Linux o32 flavoured syscall |
| 314 | */ | 330 | */ |
| 315 | #define __NR_Linux_syscalls 286 | 331 | #define __NR_Linux_syscalls 303 |
| 316 | 332 | ||
| 317 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ | 333 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ |
| 318 | 334 | ||
| 319 | #define __NR_O32_Linux 4000 | 335 | #define __NR_O32_Linux 4000 |
| 320 | #define __NR_O32_Linux_syscalls 283 | 336 | #define __NR_O32_Linux_syscalls 303 |
| 321 | 337 | ||
| 322 | #if _MIPS_SIM == _MIPS_SIM_ABI64 | 338 | #if _MIPS_SIM == _MIPS_SIM_ABI64 |
| 323 | 339 | ||
| @@ -571,16 +587,33 @@ | |||
| 571 | #define __NR_inotify_init (__NR_Linux + 243) | 587 | #define __NR_inotify_init (__NR_Linux + 243) |
| 572 | #define __NR_inotify_add_watch (__NR_Linux + 244) | 588 | #define __NR_inotify_add_watch (__NR_Linux + 244) |
| 573 | #define __NR_inotify_rm_watch (__NR_Linux + 245) | 589 | #define __NR_inotify_rm_watch (__NR_Linux + 245) |
| 590 | #define __NR_migrate_pages (__NR_Linux + 246) | ||
| 591 | #define __NR_openat (__NR_Linux + 247) | ||
| 592 | #define __NR_mkdirat (__NR_Linux + 248) | ||
| 593 | #define __NR_mknodat (__NR_Linux + 249) | ||
| 594 | #define __NR_fchownat (__NR_Linux + 250) | ||
| 595 | #define __NR_futimesat (__NR_Linux + 251) | ||
| 596 | #define __NR_newfstatat (__NR_Linux + 252) | ||
| 597 | #define __NR_unlinkat (__NR_Linux + 253) | ||
| 598 | #define __NR_renameat (__NR_Linux + 254) | ||
| 599 | #define __NR_linkat (__NR_Linux + 255) | ||
| 600 | #define __NR_symlinkat (__NR_Linux + 256) | ||
| 601 | #define __NR_readlinkat (__NR_Linux + 257) | ||
| 602 | #define __NR_fchmodat (__NR_Linux + 258) | ||
| 603 | #define __NR_faccessat (__NR_Linux + 259) | ||
| 604 | #define __NR_pselect6 (__NR_Linux + 260) | ||
| 605 | #define __NR_ppoll (__NR_Linux + 261) | ||
| 606 | #define __NR_unshare (__NR_Linux + 262) | ||
| 574 | 607 | ||
| 575 | /* | 608 | /* |
| 576 | * Offset of the last Linux 64-bit flavoured syscall | 609 | * Offset of the last Linux 64-bit flavoured syscall |
| 577 | */ | 610 | */ |
| 578 | #define __NR_Linux_syscalls 245 | 611 | #define __NR_Linux_syscalls 262 |
| 579 | 612 | ||
| 580 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ | 613 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ |
| 581 | 614 | ||
| 582 | #define __NR_64_Linux 5000 | 615 | #define __NR_64_Linux 5000 |
| 583 | #define __NR_64_Linux_syscalls 242 | 616 | #define __NR_64_Linux_syscalls 262 |
| 584 | 617 | ||
| 585 | #if _MIPS_SIM == _MIPS_SIM_NABI32 | 618 | #if _MIPS_SIM == _MIPS_SIM_NABI32 |
| 586 | 619 | ||
| @@ -838,16 +871,33 @@ | |||
| 838 | #define __NR_inotify_init (__NR_Linux + 247) | 871 | #define __NR_inotify_init (__NR_Linux + 247) |
| 839 | #define __NR_inotify_add_watch (__NR_Linux + 248) | 872 | #define __NR_inotify_add_watch (__NR_Linux + 248) |
| 840 | #define __NR_inotify_rm_watch (__NR_Linux + 249) | 873 | #define __NR_inotify_rm_watch (__NR_Linux + 249) |
| 874 | #define __NR_migrate_pages (__NR_Linux + 250) | ||
| 875 | #define __NR_openat (__NR_Linux + 251) | ||
| 876 | #define __NR_mkdirat (__NR_Linux + 252) | ||
| 877 | #define __NR_mknodat (__NR_Linux + 253) | ||
| 878 | #define __NR_fchownat (__NR_Linux + 254) | ||
| 879 | #define __NR_futimesat (__NR_Linux + 255) | ||
| 880 | #define __NR_newfstatat (__NR_Linux + 256) | ||
| 881 | #define __NR_unlinkat (__NR_Linux + 257) | ||
| 882 | #define __NR_renameat (__NR_Linux + 258) | ||
| 883 | #define __NR_linkat (__NR_Linux + 259) | ||
| 884 | #define __NR_symlinkat (__NR_Linux + 260) | ||
| 885 | #define __NR_readlinkat (__NR_Linux + 261) | ||
| 886 | #define __NR_fchmodat (__NR_Linux + 262) | ||
| 887 | #define __NR_faccessat (__NR_Linux + 263) | ||
| 888 | #define __NR_pselect6 (__NR_Linux + 264) | ||
| 889 | #define __NR_ppoll (__NR_Linux + 265) | ||
| 890 | #define __NR_unshare (__NR_Linux + 266) | ||
| 841 | 891 | ||
| 842 | /* | 892 | /* |
| 843 | * Offset of the last N32 flavoured syscall | 893 | * Offset of the last N32 flavoured syscall |
| 844 | */ | 894 | */ |
| 845 | #define __NR_Linux_syscalls 249 | 895 | #define __NR_Linux_syscalls 266 |
| 846 | 896 | ||
| 847 | #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ | 897 | #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ |
| 848 | 898 | ||
| 849 | #define __NR_N32_Linux 6000 | 899 | #define __NR_N32_Linux 6000 |
| 850 | #define __NR_N32_Linux_syscalls 246 | 900 | #define __NR_N32_Linux_syscalls 266 |
| 851 | 901 | ||
| 852 | #ifndef __ASSEMBLY__ | 902 | #ifndef __ASSEMBLY__ |
| 853 | 903 | ||
