lkml.org 
[lkml]   [2014]   [Nov]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    Subject[PATCH 0/5] exit: reparent zombie fix + cleanups/optimizations
    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(-)



    \
     
     \ /
      Last update: 2014-11-10 23:41    [W:3.749 / U:0.300 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site