diff options
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 677102789cf2..be4f856d52f8 100644 --- a/kernel/signal.c +++ b/kernel/signal.c | |||
| @@ -1971,6 +1971,13 @@ static void ptrace_do_notify(int signr, int exit_code, int why) | |||
| 1971 | void ptrace_notify(int exit_code) | 1971 | void ptrace_notify(int exit_code) |
| 1972 | { | 1972 | { |
| 1973 | BUG_ON((exit_code & (0x7f | ~0xffff)) != SIGTRAP); | 1973 | BUG_ON((exit_code & (0x7f | ~0xffff)) != SIGTRAP); |
| 1974 | if (unlikely(current->task_works)) { | ||
| 1975 | if (test_and_clear_ti_thread_flag(current_thread_info(), | ||
| 1976 | TIF_NOTIFY_RESUME)) { | ||
| 1977 | smp_mb__after_clear_bit(); | ||
| 1978 | task_work_run(); | ||
| 1979 | } | ||
| 1980 | } | ||
| 1974 | 1981 | ||
| 1975 | spin_lock_irq(¤t->sighand->siglock); | 1982 | spin_lock_irq(¤t->sighand->siglock); |
| 1976 | ptrace_do_notify(SIGTRAP, exit_code, CLD_TRAPPED); | 1983 | ptrace_do_notify(SIGTRAP, exit_code, CLD_TRAPPED); |
| @@ -2191,6 +2198,14 @@ int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, | |||
| 2191 | struct signal_struct *signal = current->signal; | 2198 | struct signal_struct *signal = current->signal; |
| 2192 | int signr; | 2199 | int signr; |
| 2193 | 2200 | ||
| 2201 | if (unlikely(current->task_works)) { | ||
| 2202 | if (test_and_clear_ti_thread_flag(current_thread_info(), | ||
| 2203 | TIF_NOTIFY_RESUME)) { | ||
| 2204 | smp_mb__after_clear_bit(); | ||
| 2205 | task_work_run(); | ||
| 2206 | } | ||
| 2207 | } | ||
| 2208 | |||
| 2194 | if (unlikely(uprobe_deny_signal())) | 2209 | if (unlikely(uprobe_deny_signal())) |
| 2195 | return 0; | 2210 | return 0; |
| 2196 | 2211 | ||
