Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

1 files changed, 0 insertions, 7 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index efac2c58ec7d..158710d22566 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -470,13 +470,6 @@ static int copy_mm(unsigned long clone_flags, struct task_struct * tsk)
         if (clone_flags & CLONE_VM) {
                 atomic_inc(&oldmm->mm_users);
                 mm = oldmm;
-                /*
-                 * There are cases where the PTL is held to ensure no
-                 * new threads start up in user mode using an mm, which
-                 * allows optimizing out ipis; the tlb_gather_mmu code
-                 * is an example.
-                 */
-                spin_unlock_wait(&oldmm->page_table_lock);
                 goto good_mm;
         }