From: Rob Clark <robdclark@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
Rob Clark <robdclark@chromium.org>,
"Kristian H . Kristensen" <hoegsberg@google.com>,
Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v4 19/23] drm/msm: Drop struct_mutex in free_object() path
Date: Fri, 23 Oct 2020 09:51:20 -0700 [thread overview]
Message-ID: <20201023165136.561680-20-robdclark@gmail.com> (raw)
In-Reply-To: <20201023165136.561680-1-robdclark@gmail.com>
From: Rob Clark <robdclark@chromium.org>
Now that active_list/inactive_list is protected by mm_lock, we no longer
need dev->struct_mutex in the free_object() path.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
---
drivers/gpu/drm/msm/msm_gem.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index b9de19462109..5d555750943e 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -949,8 +949,6 @@ static void free_object(struct msm_gem_object *msm_obj)
struct drm_device *dev = obj->dev;
struct msm_drm_private *priv = dev->dev_private;
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
-
/* object should not be on active list: */
WARN_ON(is_active(msm_obj));
@@ -992,20 +990,14 @@ void msm_gem_free_work(struct work_struct *work)
{
struct msm_drm_private *priv =
container_of(work, struct msm_drm_private, free_work);
- struct drm_device *dev = priv->dev;
struct llist_node *freed;
struct msm_gem_object *msm_obj, *next;
while ((freed = llist_del_all(&priv->free_list))) {
-
- mutex_lock(&dev->struct_mutex);
-
llist_for_each_entry_safe(msm_obj, next,
freed, freed)
free_object(msm_obj);
- mutex_unlock(&dev->struct_mutex);
-
if (need_resched())
break;
}
--
2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: Rob Clark <robdclark@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: Rob Clark <robdclark@chromium.org>,
David Airlie <airlied@linux.ie>,
linux-arm-msm@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>,
Sean Paul <sean@poorly.run>,
"Kristian H . Kristensen" <hoegsberg@google.com>,
freedreno@lists.freedesktop.org
Subject: [PATCH v4 19/23] drm/msm: Drop struct_mutex in free_object() path
Date: Fri, 23 Oct 2020 09:51:20 -0700 [thread overview]
Message-ID: <20201023165136.561680-20-robdclark@gmail.com> (raw)
In-Reply-To: <20201023165136.561680-1-robdclark@gmail.com>
From: Rob Clark <robdclark@chromium.org>
Now that active_list/inactive_list is protected by mm_lock, we no longer
need dev->struct_mutex in the free_object() path.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
---
drivers/gpu/drm/msm/msm_gem.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index b9de19462109..5d555750943e 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -949,8 +949,6 @@ static void free_object(struct msm_gem_object *msm_obj)
struct drm_device *dev = obj->dev;
struct msm_drm_private *priv = dev->dev_private;
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
-
/* object should not be on active list: */
WARN_ON(is_active(msm_obj));
@@ -992,20 +990,14 @@ void msm_gem_free_work(struct work_struct *work)
{
struct msm_drm_private *priv =
container_of(work, struct msm_drm_private, free_work);
- struct drm_device *dev = priv->dev;
struct llist_node *freed;
struct msm_gem_object *msm_obj, *next;
while ((freed = llist_del_all(&priv->free_list))) {
-
- mutex_lock(&dev->struct_mutex);
-
llist_for_each_entry_safe(msm_obj, next,
freed, freed)
free_object(msm_obj);
- mutex_unlock(&dev->struct_mutex);
-
if (need_resched())
break;
}
--
2.26.2
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next prev parent reply other threads:[~2020-10-23 16:51 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-23 16:51 [PATCH v4 00/23] drm/msm: de-struct_mutex-ification Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 01/23] drm/msm: Fix a couple incorrect usages of get_vaddr_active() Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 02/23] drm/msm/gem: Add obj->lock wrappers Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 03/23] drm/msm/gem: Rename internal get_iova_locked helper Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 04/23] drm/msm/gem: Move prototypes to msm_gem.h Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 05/23] drm/msm/gem: Add some _locked() helpers Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 06/23] drm/msm/gem: Move locking in shrinker path Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 07/23] drm/msm/submit: Move copy_from_user ahead of locking bos Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 20:59 ` kernel test robot
2020-10-23 16:51 ` [PATCH v4 08/23] drm/msm: Do rpm get sooner in the submit path Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 09/23] drm/msm/gem: Switch over to obj->resv for locking Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 10/23] drm/msm: Use correct drm_gem_object_put() in fail case Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 11/23] drm/msm: Drop chatty trace Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 12/23] drm/msm: Move update_fences() Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 13/23] drm/msm: Add priv->mm_lock to protect active/inactive lists Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 14/23] drm/msm: Document and rename preempt_lock Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 15/23] drm/msm: Protect ring->submits with it's own lock Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 16/23] drm/msm: Refcount submits Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 17/23] drm/msm: Remove obj->gpu Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 18/23] drm/msm: Drop struct_mutex from the retire path Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` Rob Clark [this message]
2020-10-23 16:51 ` [PATCH v4 19/23] drm/msm: Drop struct_mutex in free_object() path Rob Clark
2020-10-23 16:51 ` [PATCH v4 20/23] drm/msm: Remove msm_gem_free_work Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 21/23] drm/msm: Drop struct_mutex in madvise path Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 22/23] drm/msm: Drop struct_mutex in shrinker path Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 16:51 ` [PATCH v4 23/23] drm/msm: Don't implicit-sync if only a single ring Rob Clark
2020-10-23 16:51 ` Rob Clark
2020-10-23 18:20 ` Lucas Stach
2020-10-23 18:20 ` Lucas Stach
2020-10-24 3:49 ` Rob Clark
2020-10-24 3:49 ` Rob Clark
2020-10-26 9:34 ` Daniel Vetter
2020-10-26 9:34 ` Daniel Vetter
2020-10-29 16:14 ` Daniel Vetter
2020-10-29 16:14 ` Daniel Vetter
2020-10-29 16:59 ` Rob Clark
2020-10-29 16:59 ` Rob Clark
2020-10-29 18:22 ` Daniel Vetter
2020-10-29 18:22 ` Daniel Vetter
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