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-rw-r--r--arch/cris/kernel/ptrace.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c
index 58d44ee1a71f..fd3427e563c5 100644
--- a/arch/cris/kernel/ptrace.c
+++ b/arch/cris/kernel/ptrace.c
@@ -42,3 +42,26 @@ void do_notify_resume(int canrestart, struct pt_regs *regs,
tracehook_notify_resume(regs);
}
}
+
+void do_work_pending(int syscall, struct pt_regs *regs,
+ unsigned int thread_flags)
+{
+ do {
+ if (likely(thread_flags & _TIF_NEED_RESCHED)) {
+ schedule();
+ } else {
+ if (unlikely(!user_mode(regs)))
+ return;
+ local_irq_enable();
+ if (thread_flags & _TIF_SIGPENDING) {
+ do_signal(syscall, regs);
+ syscall = 0;
+ } else {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
+ }
+ }
+ local_irq_disable();
+ thread_flags = current_thread_info()->flags;
+ } while (thread_flags & _TIF_WORK_MASK);
+}