[lkml]   [2006]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Missing piece from as659
On Fri, Feb 24, 2006 at 12:53:01PM -0500, Alan Stern wrote:
> On Fri, 24 Feb 2006, Matthew Wilcox wrote:
> >
> > If it is a bug, of course. It's not clear to me whether it's permissible
> > to call pci_dev_put under a spinlock or not. That boils down to whether
> > kobject ->release methods can sleep or not. That isn't documented in
> > Documentation/kobject.txt and I rather think it should be.
> It is a bug, but it has been ignored up until recently. Within the last
> month or two, Greg added a might_sleep() call to put_device(). It
> wouldn't hurt to do the same thing to kobject_put(), or maybe just
> kobject_release().

kobject_put() will not necessarily sleep, it's only the device_put that
will, due to the locking in the driver core.


greg k-h
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-02-24 19:07    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean