On Mon, 2004-11-01 at 14:21 +0100, Thomas HellstrÃm wrote: > > Hmm, correct me If I'm wrong, but after a brief check in the code, it > seems like the current _DRM_LOCK_IS_HELD() used in dma buffer > submission IOCTLS just checks that the lock is indeed held, but not if > it is held by the current caller. Thus any authorized client should be > able to sneek in DMA commands while the lock is held by another client > or the X server. -> potential system crash.
Hence _DRM_LOCK_IS_HELD() always seems to be (supposed to be) accompanied by another test that verifies the ownership. -- Earthling Michel DÃnzer | Debian (powerpc), X and DRI developer Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer ------------------------------------------------------- This SF.Net email is sponsored by: Sybase ASE Linux Express Edition - download now for FREE LinuxWorld Reader's Choice Award Winner for best database on Linux. http://ads.osdn.com/?ad_idU88&alloc_id065&op=click -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
