On Sat, Jul 31, 2021 at 04:24:56PM +0800, Desmond Cheong Zhi Xi wrote:
> Hi,
>
> Following a discussion on the patch ("drm: use the lookup lock in
> drm_is_current_master") [1], Peter Zijlstra proposed new lockdep_assert
> helpers to make it convenient to compose lockdep checks together.
>
> This series includes the patch that introduces the new lockdep helpers,
> then utilizes these helpers in drm_is_current_master_locked in the
> following patch.
>
> v1 -> v2:
> Patch 2:
> - Updated the kerneldoc on the lock design of drm_file.master to explain
> the use of lockdep_assert(). As suggested by Boqun Feng.
>
> Link: https://lore.kernel.org/lkml/20210722092929.244629-2-desmondcheongzx@xxxxxxxxx/ [1]
Can you pls also cc: this to intel-gfx so the local CI there can pick it
up and verify? Just to check we got it all.
-Daniel
>
> Best wishes,
> Desmond
>
> Desmond Cheong Zhi Xi (1):
> drm: add lockdep assert to drm_is_current_master_locked
>
> Peter Zijlstra (1):
> locking/lockdep: Provide lockdep_assert{,_once}() helpers
>
> drivers/gpu/drm/drm_auth.c | 6 +++---
> include/drm/drm_file.h | 4 ++++
> include/linux/lockdep.h | 41 +++++++++++++++++++-------------------
> 3 files changed, 28 insertions(+), 23 deletions(-)
>
> --
> 2.25.1
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
