Messages in this thread | | | Date | Wed, 7 Jan 2015 16:37:17 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] kernel: async: Fixed the wrong waitting condition of wait_event |
| |
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 Tajun.
| |