diff options
Diffstat (limited to 'arch/score/kernel/signal.c')
| -rw-r--r-- | arch/score/kernel/signal.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c index aa57440e4973..d4a49011c48a 100644 --- a/arch/score/kernel/signal.c +++ b/arch/score/kernel/signal.c @@ -28,6 +28,7 @@ #include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/uaccess.h> +#include <linux/tracehook.h> #include <asm/cacheflush.h> #include <asm/syscalls.h> @@ -152,6 +153,9 @@ score_rt_sigreturn(struct pt_regs *regs) stack_t st; int sig; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + frame = (struct rt_sigframe __user *) regs->regs[0]; if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; @@ -159,10 +163,7 @@ score_rt_sigreturn(struct pt_regs *regs) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); sig = restore_sigcontext(regs, &frame->rs_uc.uc_mcontext); if (sig < 0) @@ -236,9 +237,7 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, return 0; give_sigsegv: - if (signr == SIGSEGV) - ka->sa.sa_handler = SIG_DFL; - force_sig(SIGSEGV, current); + force_sigsegv(signr, current); return -EFAULT; } @@ -272,12 +271,8 @@ static int handle_signal(unsigned long sig, siginfo_t *info, */ ret = setup_rt_frame(ka, regs, sig, oldset, info); - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + if (ret == 0) + block_sigmask(ka, sig); return ret; } @@ -356,6 +351,12 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags) { /* deal with pending signal delivery */ - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs); + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + if (current->replacement_session_keyring) + key_replace_session_keyring(); + } } |