[PATCH] posix-timers: fix cleanup_timers() and run_posix_cpu_timers() races
[pandora-kernel.git] / kernel / fork.c
index 8149f36..280bd44 100644 (file)
@@ -848,7 +848,7 @@ static inline void copy_flags(unsigned long clone_flags, struct task_struct *p)
 {
        unsigned long new_flags = p->flags;
 
-       new_flags &= ~PF_SUPERPRIV;
+       new_flags &= ~(PF_SUPERPRIV | PF_NOFREEZE);
        new_flags |= PF_FORKNOEXEC;
        if (!(clone_flags & CLONE_PTRACE))
                p->ptrace = 0;
@@ -1062,7 +1062,8 @@ static task_t *copy_process(unsigned long clone_flags,
         * parent's CPU). This avoids alot of nasty races.
         */
        p->cpus_allowed = current->cpus_allowed;
-       if (unlikely(!cpu_isset(task_cpu(p), p->cpus_allowed)))
+       if (unlikely(!cpu_isset(task_cpu(p), p->cpus_allowed) ||
+                       !cpu_online(task_cpu(p))))
                set_task_cpu(p, smp_processor_id());
 
        /*