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authorLinus Torvalds <torvalds@g5.osdl.org>2005-11-07 18:42:23 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-07 18:42:23 -0800
commitd27ba47e7e8c466c18983a1779d611f82d6a354f (patch)
tree2870d82516be16e0cae63e1f7e84bd855bb34a23 /kernel
parente3d8b77bc7a89d190ee895d0570af10c026e5086 (diff)
parentdd3e2dcf3408843ed35501c28626f389b30be756 (diff)
downloadblackbird-op-linux-d27ba47e7e8c466c18983a1779d611f82d6a354f.tar.gz
blackbird-op-linux-d27ba47e7e8c466c18983a1779d611f82d6a354f.zip
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Diffstat (limited to 'kernel')
-rw-r--r--kernel/fork.c7
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;
}
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