diff options
Diffstat (limited to 'arch/blackfin/kernel')
| -rw-r--r-- | arch/blackfin/kernel/signal.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c index 9d90c18fab23..e0fd63e9e38a 100644 --- a/arch/blackfin/kernel/signal.c +++ b/arch/blackfin/kernel/signal.c @@ -12,6 +12,7 @@ #include <linux/binfmts.h> #include <linux/freezer.h> #include <linux/uaccess.h> +#include <linux/tracehook.h> #include <asm/cacheflush.h> #include <asm/ucontext.h> @@ -332,3 +333,20 @@ asmlinkage void do_signal(struct pt_regs *regs) sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } } + +/* + * notification of userspace execution resumption + */ +asmlinkage void do_notify_resume(struct pt_regs *regs) +{ + if (test_thread_flag(TIF_SIGPENDING) || test_thread_flag(TIF_RESTORE_SIGMASK)) + do_signal(regs); + + if (test_thread_flag(TIF_NOTIFY_RESUME)) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + if (current->replacement_session_keyring) + key_replace_session_keyring(); + } +} + |