Messages in this thread | | | From | Chunyan Zhang (张春艳) <> | Subject | RE: [PATCH] kernel: async: Fixed the wrong waitting condition of wait_event | Date | Thu, 8 Jan 2015 06:20:35 +0000 |
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Hi, Andrew
Could you give us the test log including the runtime problems you've got?
Thank you so much.
Best regards Chunyan
On Mon, 5 Jan 2015 11:35:35 +0800 Chunyan Zhang <chunyan.zhang@spreadtrum.com> wrote:
> This patch changes the waitting condition of wait_event in the > function 'async_synchronize_cookie_domain'. > > This function waits until all asynchronous function calls for the certain > domain have been done. > > But, the function 'lowest_in_progress' returns the lowest *pending* > entry's cookie. > > So we should make sure that the return value of lowest_in_progress(domain) > must be larger than @cookie.
I'm having runtime problems with this. Twice the kernel silently hangs late in initcalls and the third time I got a great stream of oopses.
I'll drop it. Hopefully you'll be able to work through the bug with Arjan and Tejun.
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