On Wed, 13 Mar 2013 15:49:05 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Today's linux-next merge of the akpm tree got a conflict in
> kernel/workqueue.c between commit fa1b54e69bc6 ("workqueue: update
> synchronization rules on worker_pool_idr") from the workqueues tree and
> commit "workqueue: convert to idr_alloc()" from the akpm tree.
>
> I fixed it up (I think - see below) and can carry the fix as necessary
> (no action is required).
>
OK, thanks. I have workqueue-convert-to-idr_alloc.patch queued for 3.9
so I moved it ahead of linux-next.patch and made a mess.
Tejun, can you please confirm that this is how worker_pool_assign_id()
should look in linux-next?
static int worker_pool_assign_id(struct worker_pool *pool)
{
int ret;
do {
idr_preload(GFP_KERNEL);
spin_lock_irq(&workqueue_lock);
ret = idr_alloc(&worker_pool_idr, pool, 0, 0, GFP_NOWAIT);
if (ret >= 0)
pool->id = ret;
spin_unlock_irq(&workqueue_lock);
} while (ret == -EAGAIN);
return ret < 0 ? ret : 0;
}
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