On 6/28/22 23:12, Thomas Hellström (Intel) wrote: > Hi, > > On 5/27/22 01:50, Dmitry Osipenko wrote: >> Use ww_acquire_fini() in the error code paths. Otherwise lockdep >> thinks that lock is held when lock's memory is freed after the >> drm_gem_lock_reservations() error. The WW needs to be annotated >> as "freed" > > s /WW/ww_acquire_context/ ? > s /"freed"/"released"/ ? > > >> , which fixes the noisy "WARNING: held lock freed!" splat >> of VirtIO-GPU driver with CONFIG_DEBUG_MUTEXES=y and enabled lockdep. >> >> Cc: stable@xxxxxxxxxxxxxxx > > Can you dig up the commit in error and add a Fixes: Tag? > > Using that and "dim fixes" will also make the Cc: stable tag a bit more > verbose. > > With that fixed, > > Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> I'll update this patch, thank you for taking a look. -- Best regards, Dmitry
