diff options
32 files changed, 38 insertions, 125 deletions
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index f6db3032ddf0..cadf4571ca31 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -572,9 +572,7 @@ do_signal(struct pt_regs * regs, struct switch_stack * sw, } /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); - + restore_saved_sigmask(); if (single_stepping) ptrace_set_bpt(current); /* re-set breakpoint */ } diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 63f327dd5198..3d1daac8ea04 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -663,11 +663,7 @@ static void do_signal(struct pt_regs *regs, int syscall) set_thread_flag(TIF_SYSCALL_RESTARTSYS); } - /* If there's no signal to deliver, we just put the saved sigmask - * back. - */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); + restore_saved_sigmask(); } asmlinkage void diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index e7595ef74f51..8b12c3046137 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -297,10 +297,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall) if (signr == 0) { /* No signal to deliver -- put the saved sigmask back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); return 0; } diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c index fc9ecce8b6ce..9d692a1277b3 100644 --- a/arch/blackfin/kernel/signal.c +++ b/arch/blackfin/kernel/signal.c @@ -319,10 +319,7 @@ asmlinkage void do_signal(struct pt_regs *regs) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c index 9493f0bbf0a6..bfbcc958bbb4 100644 --- a/arch/c6x/kernel/signal.c +++ b/arch/c6x/kernel/signal.c @@ -343,10 +343,7 @@ static void do_signal(struct pt_regs *regs, int syscall) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c index e16f8f297f61..06885e94e455 100644 --- a/arch/cris/arch-v10/kernel/signal.c +++ b/arch/cris/arch-v10/kernel/signal.c @@ -525,8 +525,5 @@ void do_signal(int canrestart, struct pt_regs *regs) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c index b338d8fc0c12..fe12cdca0bac 100644 --- a/arch/cris/arch-v32/kernel/signal.c +++ b/arch/cris/arch-v32/kernel/signal.c @@ -560,10 +560,7 @@ do_signal(int canrestart, struct pt_regs *regs) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } asmlinkage void diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 595bf1e5a5dc..16351cc8c36c 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -536,11 +536,7 @@ no_signal: /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - + restore_saved_sigmask(); } /* end do_signal() */ /*****************************************************************************/ diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index e58992ad789e..63623dabab32 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -501,8 +501,7 @@ statis void do_signal(struct pt_regs *regs) } /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); + restore_saved_sigmask(); } asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags) diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c index 21a3018cb9bf..acd6272913b3 100644 --- a/arch/hexagon/kernel/signal.c +++ b/arch/hexagon/kernel/signal.c @@ -259,10 +259,7 @@ no_signal: no_restart: /* If there's no signal to deliver, put the saved sigmask back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c index 7523501d3bc0..39d8f3afff49 100644 --- a/arch/ia64/kernel/signal.c +++ b/arch/ia64/kernel/signal.c @@ -538,8 +538,5 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index 64804f1f5141..2ad7c4587669 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -360,10 +360,7 @@ static void do_signal(struct pt_regs *regs) prev_insn(regs); } } - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index 973eec60cad4..685cbe84f33f 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -1182,10 +1182,7 @@ static void do_signal(struct pt_regs *regs) handle_restart(regs, NULL, 0); /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs) diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 5d796e32786e..8e644dfaba4f 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -381,10 +381,7 @@ static void do_signal(struct pt_regs *regs, int in_syscall) * If there's no signal to deliver, we just put the saved sigmask * back. */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, int in_syscall) diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 8a6e6d116ab0..aad2d2da5eec 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -614,10 +614,7 @@ static void do_signal(struct pt_regs *regs) * If there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index b8b6aa1a6837..b7994c38eacc 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -525,10 +525,7 @@ static void do_signal(struct pt_regs *regs) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c index 9ae611522953..266c6fd2eb5c 100644 --- a/arch/openrisc/kernel/signal.c +++ b/arch/openrisc/kernel/signal.c @@ -339,11 +339,7 @@ void do_signal(struct pt_regs *regs) if (signr <= 0) { /* no signal to deliver so we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - + restore_saved_sigmask(); } else { /* signr > 0 */ sigset_t *oldset; diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index e7a7cd3e1120..277cacadf653 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -621,12 +621,7 @@ do_signal(struct pt_regs *regs, long in_syscall) DBG(1,"do_signal: Exit (not delivered), regs->gr[28] = %ld\n", regs->gr[28]); - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - - return; + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, long in_syscall) diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index bfc3ec1382fb..0f4cc67f4268 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -132,12 +132,8 @@ static int do_signal(struct pt_regs *regs) check_syscall_restart(regs, &ka, signr > 0); if (signr <= 0) { - struct thread_info *ti = current_thread_info(); /* No signal to deliver -- put the saved sigmask back */ - if (ti->local_flags & _TLF_RESTORE_SIGMASK) { - ti->local_flags &= ~_TLF_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); regs->trap = 0; return 0; /* no signals delivered */ } diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 42a6e8b47f06..37799089c38e 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -484,10 +484,7 @@ void do_signal(struct pt_regs *regs) /* * If there's no signal to deliver, we just put the saved sigmask back. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs) diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c index 302838d3acf6..9e751559375b 100644 --- a/arch/score/kernel/signal.c +++ b/arch/score/kernel/signal.c @@ -337,10 +337,7 @@ static void do_signal(struct pt_regs *regs) * If there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 9d7bfd66f189..92f4173ad29a 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -610,10 +610,7 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) * If there's no signal to deliver, we just put the saved sigmask * back. */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0, diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index aa6428430842..6e191ef0aa62 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -143,12 +143,7 @@ static void do_signal(struct pt_regs *regs) } /* No signal to deliver -- put the saved sigmask back */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - - return; + restore_saved_sigmask(); } /* diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index bb1513e45f1a..88e0d8122d2c 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -872,10 +872,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs) /* If there's no signal to deliver, we just put the saved sigmask * back */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - set_current_blocked(¤t->saved_sigmask); - } + restore_saved_sigmask(); } struct sigstack32 { diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 6b42e8622d12..9dd97d2e171e 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -576,10 +576,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - set_current_blocked(¤t->saved_sigmask); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index c82cf1cc3965..55b820ee0ac9 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -594,10 +594,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) /* If there's no signal to deliver, we just put the saved sigmask * back */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - set_current_blocked(¤t->saved_sigmask); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags) diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c index f79d4b88c747..62b3493ea77d 100644 --- a/arch/tile/kernel/signal.c +++ b/arch/tile/kernel/signal.c @@ -350,10 +350,7 @@ void do_signal(struct pt_regs *regs) } /* If there's no signal to deliver, just put the saved sigmask back. */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); done: /* Avoid double syscall restart if there are nested signals. */ diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index 292e706016c5..6acf13c1740b 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -130,10 +130,8 @@ static int kern_do_signal(struct pt_regs *regs) * if there's no signal to deliver, we just put the saved sigmask * back */ - if (!handled_sig && test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + if (!handled_sig) + restore_saved_sigmask(); return handled_sig; } diff --git a/arch/unicore32/kernel/signal.c b/arch/unicore32/kernel/signal.c index 28782ad47b93..65a5ed3b6f2a 100644 --- a/arch/unicore32/kernel/signal.c +++ b/arch/unicore32/kernel/signal.c @@ -451,8 +451,7 @@ static void do_signal(struct pt_regs *regs, int syscall) /* If there's no signal to deliver, we just put the saved * sigmask back. */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); + restore_saved_sigmask(); } asmlinkage void do_notify_resume(struct pt_regs *regs, diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 2e937a5ad531..25a4a81a51aa 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -796,10 +796,7 @@ static void do_signal(struct pt_regs *regs) * If there's no signal to deliver, we just put the saved sigmask * back. */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - set_current_blocked(¤t->saved_sigmask); - } + restore_saved_sigmask(); } /* diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index ea7e17778a75..8c4e751e3b83 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -532,8 +532,7 @@ no_signal: } /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); + restore_saved_sigmask(); if (current->ptrace & PT_SINGLESTEP) task_pt_regs(current)->icountlevel = 1; diff --git a/include/linux/sched.h b/include/linux/sched.h index 660c8ae93471..f1b46b88f6f5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2207,6 +2207,12 @@ extern int send_sigqueue(struct sigqueue *, struct task_struct *, int group); extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *); extern int do_sigaltstack(const stack_t __user *, stack_t __user *, unsigned long); +static inline void restore_saved_sigmask(void) +{ + if (test_and_clear_restore_sigmask()) + set_current_blocked(¤t->saved_sigmask); +} + static inline int kill_cad_pid(int sig, int priv) { return kill_pid(cad_pid, sig, priv); |