From 9a28dbf8af11d127bf1c644143e7882cb91515dd Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 12 May 2008 22:45:15 -0700 Subject: sparc64: Use a TS_RESTORE_SIGMASK This mirrors x86 changeset 5a8da0ea82db6fa9737041381079fd16f25dcce2 ("signals: x86 TS_RESTORE_SIGMASK") on sparc64. Signed-off-by: David S. Miller --- arch/sparc64/kernel/rtrap.S | 6 +++--- arch/sparc64/kernel/signal.c | 21 +++++++++++---------- arch/sparc64/kernel/signal32.c | 13 ++++++------- 3 files changed, 20 insertions(+), 20 deletions(-) (limited to 'arch/sparc64') diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S index b9b785fd8b4..16689b2930d 100644 --- a/arch/sparc64/kernel/rtrap.S +++ b/arch/sparc64/kernel/rtrap.S @@ -46,7 +46,7 @@ __handle_user_windows: wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate ldx [%g6 + TI_FLAGS], %l0 -1: andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0 +1: andcc %l0, _TIF_SIGPENDING, %g0 be,pt %xcc, __handle_user_windows_continue nop mov %l5, %o1 @@ -86,7 +86,7 @@ __handle_perfctrs: wrpr %g0, RTRAP_PSTATE, %pstate wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate ldx [%g6 + TI_FLAGS], %l0 -1: andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0 +1: andcc %l0, _TIF_SIGPENDING, %g0 be,pt %xcc, __handle_perfctrs_continue sethi %hi(TSTATE_PEF), %o0 @@ -195,7 +195,7 @@ __handle_preemption_continue: andcc %l1, %o0, %g0 andcc %l0, _TIF_NEED_RESCHED, %g0 bne,pn %xcc, __handle_preemption - andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0 + andcc %l0, _TIF_SIGPENDING, %g0 bne,pn %xcc, __handle_signal __handle_signal_continue: ldub [%g6 + TI_WSAVED], %o2 diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c index 2378482c2aa..6e4dc67d16a 100644 --- a/arch/sparc64/kernel/signal.c +++ b/arch/sparc64/kernel/signal.c @@ -247,7 +247,9 @@ static long _sigpause_common(old_sigset_t set) current->state = TASK_INTERRUPTIBLE; schedule(); - set_thread_flag(TIF_RESTORE_SIGMASK); + + set_restore_sigmask(); + return -ERESTARTNOHAND; } @@ -537,7 +539,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) } else restart_syscall = 0; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) + if (current_thread_info()->status & TS_RESTORE_SIGMASK) oldset = ¤t->saved_sigmask; else oldset = ¤t->blocked; @@ -566,13 +568,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) syscall_restart(orig_i0, regs, &ka.sa); handle_signal(signr, &ka, &info, oldset, regs); - /* a signal was successfully delivered; the saved + /* A signal was successfully delivered; the saved * sigmask will have been stored in the signal frame, * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. + * clear the TS_RESTORE_SIGMASK flag. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; return; } if (restart_syscall && @@ -591,17 +592,17 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) regs->tnpc -= 4; } - /* if there's no signal to deliver, we just put the saved sigmask + /* 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); + if (current_thread_info()->status & TS_RESTORE_SIGMASK) { + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } } void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags) { - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs, orig_i0); } diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c index 3f19e9af3d1..97cdd1bf4a1 100644 --- a/arch/sparc64/kernel/signal32.c +++ b/arch/sparc64/kernel/signal32.c @@ -788,13 +788,12 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs, syscall_restart32(orig_i0, regs, &ka.sa); handle_signal32(signr, &ka, &info, oldset, regs); - /* a signal was successfully delivered; the saved + /* A signal was successfully delivered; the saved * sigmask will have been stored in the signal frame, * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. + * clear the TS_RESTORE_SIGMASK flag. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; return; } if (restart_syscall && @@ -813,11 +812,11 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs, regs->tnpc -= 4; } - /* if there's no signal to deliver, we just put the saved sigmask + /* 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); + if (current_thread_info()->status & TS_RESTORE_SIGMASK) { + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } } -- cgit v1.2.3