Re: [Qemu-devel] [PATCH 00/12] Threadlets Infrastructure.

[Arun R Bharadwaj <arun@linux.vnet.ibm.com>]

* Stefan Hajnoczi <stefanha@gmail.com> [2011-01-17 10:32:24]:

> This series needs a new pair of eyes for review.  I'm probably missing
> things here after seeing it many times.
> 
> posix-aio-compat.c:handle_work() doesn't need to take aiocb_mutex for
> container_of(), which just calculates an address but doesn't actually
> access the aiocb.
> 
> dequeue_work_on_queue() is incorrect because a threadlet_worker() may
> remove the work item from the request_list just before we remove it
> again.  That double-remove is wrong and by not detecting this case we
> return success even though the work function may be running
> concurrently (and it's not safe to do anything with the work item at
> this time!).  Dequeue needs to lock the request_list, test if the item
> is still
> on the list, remove it if necessary, and return whether or not it was removed.
> 
> Stefan

I'll make the above changes with respect to handle_work() and
dequeue_work_on_queue().

Hopefully the patch series gets more review now that I have broken
down the patchset so that review becomes easier.

-arun