On Jan 3, 2008 3:24 PM, Jarek Poplawski <jarkao2@xxxxxxxxx> wrote: > On Thu, Jan 03, 2008 at 08:06:09AM +0100, Jarek Poplawski wrote: > > On Thu, Jan 03, 2008 at 01:50:20PM +0800, Dave Young wrote: > > > Convert semaphore to mutex in struct class. > > ... > > > One lockdep warning detected as following, thus use mutex_lock_nested with SINGLE_DEPTH_NESTING in class_device_add > > > > > > Jan 3 10:45:15 darkstar kernel: ============================================= > > > Jan 3 10:45:15 darkstar kernel: [ INFO: possible recursive locking detected ] > > > Jan 3 10:45:15 darkstar kernel: 2.6.24-rc6-mm1-mutex #1 > > > Jan 3 10:45:15 darkstar kernel: --------------------------------------------- > > ... > > > If there's anything missed please help to point out, thanks. > > > > Dave, IMHO it's not 'the right' way to do it: [...] > > OOPS! (I was sleeping...) Unless it has turned out it's not so hard > here, and you are quite sure there should be no more warnings after > this one nesting annotation - then of course, this is the right way! Thanks ;) I don't know if there's other possible warning places with this mutex or not, if you have any ideas about this, please tell me. > > Sorry (?) > Jarek P. > - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
