Oleg Nesterov <o...@redhat.com> writes: > On 05/04, Eric W. Biederman wrote: >> >> -static int ptrace_stop(int exit_code, int why, int clear_code, >> - unsigned long message, kernel_siginfo_t *info) >> +static int ptrace_stop(int exit_code, int why, unsigned long message, >> + kernel_siginfo_t *info) > > Forgot to mention... but in general I like this change. > > In particular, I like the fact it kills the ugly "int clear_code" arg > which looks as if it solves the problems with the exiting tracer, but > actually it doesn't. And we do not really care, imo.
Further either this change is necessary or we need to take siglock in the !current->ptrace path in "ptrace: Don't change __state" so that JOBCTL_TRACED can be cleared. So I vote for deleting code, and making ptrace_stop easier to reason about. Eric _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um