diff options
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/fs/exec.c b/fs/exec.c index 92ce83a11e90..95551c6da090 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -63,6 +63,8 @@ #include <trace/events/task.h> #include "internal.h" +#include <trace/events/sched.h> + int core_uses_pid; char core_pattern[CORENAME_MAX_SIZE] = "core"; unsigned int core_pipe_limit; @@ -848,6 +850,7 @@ static int exec_mmap(struct mm_struct *mm) if (old_mm) { up_read(&old_mm->mmap_sem); BUG_ON(active_mm != old_mm); + setmax_mm_hiwater_rss(&tsk->signal->maxrss, old_mm); mm_update_next_owner(old_mm); mmput(old_mm); return 0; @@ -975,8 +978,8 @@ static int de_thread(struct task_struct *tsk) sig->notify_count = 0; no_thread_group: - if (current->mm) - setmax_mm_hiwater_rss(&sig->maxrss, current->mm); + /* we have changed execution domain */ + tsk->exit_signal = SIGCHLD; exit_itimers(sig); flush_itimer_signals(); @@ -1402,9 +1405,10 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) */ bprm->recursion_depth = depth; if (retval >= 0) { - if (depth == 0) - ptrace_event(PTRACE_EVENT_EXEC, - old_pid); + if (depth == 0) { + trace_sched_process_exec(current, old_pid, bprm); + ptrace_event(PTRACE_EVENT_EXEC, old_pid); + } put_binfmt(fmt); allow_write_access(bprm->file); if (bprm->file) @@ -1915,7 +1919,6 @@ static int coredump_wait(int exit_code, struct core_state *core_state) { struct task_struct *tsk = current; struct mm_struct *mm = tsk->mm; - struct completion *vfork_done; int core_waiters = -EBUSY; init_completion(&core_state->startup); @@ -1927,22 +1930,9 @@ static int coredump_wait(int exit_code, struct core_state *core_state) core_waiters = zap_threads(tsk, mm, core_state, exit_code); up_write(&mm->mmap_sem); - if (unlikely(core_waiters < 0)) - goto fail; - - /* - * Make sure nobody is waiting for us to release the VM, - * otherwise we can deadlock when we wait on each other - */ - vfork_done = tsk->vfork_done; - if (vfork_done) { - tsk->vfork_done = NULL; - complete(vfork_done); - } - - if (core_waiters) + if (core_waiters > 0) wait_for_completion(&core_state->startup); -fail: + return core_waiters; } |