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| author | Felix Blyakher <felixb@sgi.com> | 2009-03-24 14:25:34 -0500 |
|---|---|---|
| committer | Felix Blyakher <felixb@sgi.com> | 2009-03-24 14:25:34 -0500 |
| commit | 61454f33389ecfac68846e07d29c8d18af342c43 (patch) | |
| tree | 7dcf069151aa7331c9261d262df4c192b2fabc34 /kernel/signal.c | |
| parent | 4740cd8b4f27d6ac11e76c432d5d03fb780b2596 (diff) | |
| parent | 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 2a74fe87c0d..1c8814481a1 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1575,7 +1575,15 @@ static void ptrace_stop(int exit_code, int clear_code, siginfo_t *info) read_lock(&tasklist_lock); if (may_ptrace_stop()) { do_notify_parent_cldstop(current, CLD_TRAPPED); + /* + * Don't want to allow preemption here, because + * sys_ptrace() needs this task to be inactive. + * + * XXX: implement read_unlock_no_resched(). + */ + preempt_disable(); read_unlock(&tasklist_lock); + preempt_enable_no_resched(); schedule(); } else { /* |