On Thu, May 01, 2008 at 11:33:34AM -0500, Kumar Gala wrote: > Let me ask the question differently. Are there cases that some event > occurs in the system and a signal is delivered to the current process > regardless of what that process is.
Yes, timers that expire based on CPU usage. > I'm guessing so, based on the tty example. I don't think tty interrupts would -- it'd go to the process group associated with the tty. > So for the specific case I'm looking at (kprobes & debug exceptions > from kernel space), I think its reasonable to BUG_ON() if thread_info- > >flags changes such that TIF_SIGPENDING or TIF_NEED_RESCHED get set > we aren't from user-space. Why? It may not happen currently, but it seems more future-proof to just copy the flags. And it's certainly not reasonable for normal interrupts. -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
