Messages in this thread | | | Date | Sat, 2 Mar 2013 21:45:36 +0800 | From | Fengguang Wu <> | Subject | Re: [usb gadget] WARNING: at kernel/mutex.c:198 __mutex_lock_common() |
| |
On Sat, Mar 02, 2013 at 02:41:07PM +0100, Sebastian Andrzej Siewior wrote: > On 03/02/2013 02:37 PM, Fengguang Wu wrote: > > On Wed, Feb 27, 2013 at 12:49:35PM +0200, Felipe Balbi wrote: > >> Hi, > >> > >> On Wed, Feb 06, 2013 at 10:04:24AM +0800, Fengguang Wu wrote: > >>> Greetings, > >>> > >>> I got the below warning and the first bad commit is > >> > >> can you send a fixup patch ? > > > > Sorry I don't have the fix. Maarten once proposed > > > > : Can you change __mutex_lock_common from inline to __always_inline and > > : check if that gets rid of the warning? > > > > and it worked at that time, however it does not work today when I > > go out to double check the below patch... > > This does not get even close to a fix, not to mention a proper one. The > problem is that a spinlock is hold while a mutex is going to be taken. > Maybe I get to this?
That'd be great. I can help test your patch out.
Thanks, Fengguang
| |