On Tue, Sep 26, 2017 at 10:12:12AM +0100, Chris Wilson wrote: > Quoting Aishwarya Pant (2017-09-25 19:47:28) > > The IDR deletion interface now returns the deleted entry or NULL if it was not > > present. So we don't have to do the extra work of checking if we have a > > reference on the drm_gem_object, this can be handled by checking the return > > value from idr_remove() and the extra locks can be dropped. > > > > Signed-off-by: Aishwarya Pant <aishpant@xxxxxxxxx> > > This reintroduces the bug were the idr entry is available for reuse > before the drivers have had the change to release their resources. So a > new handle may be reused that is then hooked up to the old private data. > See commit f6cd7daecff558fab2c45d15283d3e52f688342d > Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Date: Fri Apr 15 12:55:08 2016 +0100 > > drm: Release driver references to handle before making it available again Thanks, this makes sense now. > -Chris _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
