Re: [PATCH] workqueue: missing idr_preload_end() inworker_pool_assign_id()

From: Tejun Heo
Date: Wed Mar 13 2013 - 13:57:59 EST

(cc'ing Stephen and linux-next)

Hello, Artem.

On Wed, Mar 13, 2013 at 09:51:32PM +0400, Artem Savkov wrote:
> Added missing idr_preload_end() call in worker_pool_assign_id().
> Without it preemption stays disabled resulting in lots of "scheduling while
> atomic" BUGs during boot.
> Introduced in "workqueue: convert to idr_alloc()"

That patch doesn't use idr_preload(). It looks like the issue is
introduced during linux-next merge of wq/for-3.10 and idr patches in
-mm. Stephen, can you please add idr_preload_end() to the merge

Once the idr patches land in Linus' tree, I'll resolve the conflict
from wq tree side.


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