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From:   Waiman Long <llong@redhat.com>
Subject: Re: [PATCH 0/2] locking/lockdep, drm: apply new lockdep assert in
 drm_auth.c
To:     Desmond Cheong Zhi Xi <desmondcheongzx@gmail.com>,
        maarten.lankhorst@linux.intel.com, mripard@kernel.org,
        tzimmermann@suse.de, airlied@linux.ie, daniel@ffwll.ch,
        peterz@infradead.org, mingo@redhat.com, will@kernel.org,
        boqun.feng@gmail.com
Cc:     dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
        skhan@linuxfoundation.org, gregkh@linuxfoundation.org,
        linux-kernel-mentees@lists.linuxfoundation.org
References: <20210730041515.1430237-1-desmondcheongzx@gmail.com>
Message-ID: <ac36ec31-df97-b2ce-39f1-182e6859a1a0@redhat.com>
Date:   Fri, 30 Jul 2021 13:37:41 -0400
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On 7/30/21 12:15 AM, 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.
>
> Link: https://lore.kernel.org/lkml/20210722092929.244629-2-desmondcheongzx@gmail.com/ [1]
>
> 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/linux/lockdep.h    | 41 +++++++++++++++++++-------------------
>   2 files changed, 24 insertions(+), 23 deletions(-)
>
This patch series looks good to me.

Acked-by: Waiman Long <longman@redhat.com>

Thanks!