Hello. On 11/07, Oleg Nesterov wrote: > > I tried to optimize the usage of tasklist_lock in exit_notify() paths > but found the bug which should be fixed first: the EXIT_DEAD setting > in reparent_leader() can break the task_ppid_nr_ns()-like code and > ptrace_parent(). > > I am still thinking about the "right" fix, but whatever we do we need > to cleanup these users, probably before the fix.
Yes, we need to cleanup these users but lets fix the bug first. See the changelog in 2/5. Plus cleanups + initial (micro)optimizations, more to come. Oleg. include/linux/ptrace.h | 2 +- kernel/exit.c | 51 +++++++++++++++++++---------------------------- kernel/ptrace.c | 23 ++------------------ kernel/sched/core.c | 4 ++- 4 files changed, 28 insertions(+), 52 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
