Displaying 20 results from an estimated 44 matches for "get_task_comm".
2024 Dec 13
0
[PATCH 6/7] drivers: Repace get_task_comm() with %pTN
On 13. 12. 24, 6:46, Yafang Shao wrote:
> Since task->comm is guaranteed to be NUL-terminated, we can print it
> directly without the need to copy it into a separate buffer. This
> simplifies the code and avoids unnecessary operations.
>
> Signed-off-by: Yafang Shao <laoar.shao at gmail.com>
> Cc: Ofir Bitton <obitton at habana.ai>
> Cc: Oded Gabbay <ogabbay
2012 Oct 05
4
[PATCH] drm/nouveau: handle same-fb page flips
...@@ -624,6 +628,12 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
if (!drm->channel)
return -ENODEV;
+ if (unlikely(old_bo == new_bo)) {
+ char name[sizeof(current->comm)];
+ pr_debug_ratelimited("'%s': useless page flip invoked\n",
+ get_task_comm(name, current));
+ }
+
s = kzalloc(sizeof(*s), GFP_KERNEL);
if (!s)
return -ENOMEM;
--
1.7.12
2014 Feb 11
2
[PATCH] drm/nouveau: handle -EACCES runtime PM return code
On Mon, Feb 10, 2014 at 9:34 PM, Thierry Reding
<thierry.reding at gmail.com> wrote:
> On Mon, Feb 10, 2014 at 02:58:12PM +0900, Alexandre Courbot wrote:
>> pm_runtime_get*() may return -EACCESS to indicate a device does not have
>
> s/-EACCESS/-EACCES/
Oops.
>> runtime PM enabled. This is the case when the nouveau.runpm parameter is
>> set to 0, and is not an
2018 Jul 03
0
[PATCH 1/2] drm/nouveau: Fix runtime PM leak in drm_open()
...git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 0452b18d36b9..0f668e275ee1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -919,8 +919,10 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
- if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL)))
- return ret;
+ if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) {
+ ret = -ENOMEM;
+ goto done;
+ }
ret = nouveau_cli_init(drm, name, cli...
2018 Jul 12
0
[PATCH v2 1/3] drm/nouveau: Fix runtime PM leak in drm_open()
...git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 0452b18d36b9..0f668e275ee1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -919,8 +919,10 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
- if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL)))
- return ret;
+ if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) {
+ ret = -ENOMEM;
+ goto done;
+ }
ret = nouveau_cli_init(drm, name, cli...
2020 Jun 14
0
[PATCH] drm/nouveau: fix multiple instances of reference count leaks
..._device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -1109,8 +1111,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)...
2020 Aug 10
0
[PATCH AUTOSEL 5.8 23/64] drm/nouveau: fix multiple instances of reference count leaks
..._device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -1109,8 +1111,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)...
2020 Aug 10
0
[PATCH AUTOSEL 5.7 21/60] drm/nouveau: fix multiple instances of reference count leaks
..._device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -1134,8 +1136,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)...
2020 Aug 10
0
[PATCH AUTOSEL 5.4 17/45] drm/nouveau: fix multiple instances of reference count leaks
..._device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -1135,8 +1137,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)...
2020 Aug 10
0
[PATCH AUTOSEL 4.19 13/31] drm/nouveau: fix multiple instances of reference count leaks
..._device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -980,8 +982,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+...
2020 Aug 10
0
[PATCH AUTOSEL 4.14 08/22] drm/nouveau: fix multiple instances of reference count leaks
..._device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -930,8 +932,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+...
2020 Aug 10
0
[PATCH AUTOSEL 4.9 07/17] drm/nouveau: fix multiple instances of reference count leaks
..._device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -912,8 +914,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+...
2020 Aug 10
0
[PATCH AUTOSEL 4.4 06/16] drm/nouveau: fix multiple instances of reference count leaks
..._device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -894,8 +896,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+...
2018 Nov 07
1
[PATCH][drm-next] drm/virtio: fix memory leak of vfpriv on error return path
...rivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index bf609dcae224..f4f995639ed1 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
+++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
@@ -266,8 +266,10 @@ int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file)
get_task_comm(dbgname, current);
id = virtio_gpu_context_create(vgdev, strlen(dbgname), dbgname);
- if (id < 0)
+ if (id < 0) {
+ kfree(vfpriv);
return id;
+ }
vfpriv->ctx_id = id;
file->driver_priv = vfpriv;
--
2.19.1
2014 Feb 01
0
[RFC 01/16] drm/nouveau: handle -EACCES runtime PM return code
...pu/drm/nouveau/nouveau_drm.c
@@ -670,7 +670,7 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0 && ret != -EACCES)
return ret;
get_task_comm(tmpname, current);
@@ -753,7 +753,7 @@ long nouveau_drm_ioctl(struct file *filp,
dev = file_priv->minor->dev;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0 && ret != -EACCES)
return ret;
ret = drm_ioctl(filp, cmd, arg);
--
1.8.5.3
2014 Feb 12
0
[PATCH v2] drm/nouveau: handle -EACCES runtime PM return code
...pu/drm/nouveau/nouveau_drm.c
@@ -696,7 +696,7 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0 && ret != -EACCES)
return ret;
get_task_comm(tmpname, current);
@@ -781,7 +781,7 @@ long nouveau_drm_ioctl(struct file *filp,
dev = file_priv->minor->dev;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0 && ret != -EACCES)
return ret;
ret = drm_ioctl(filp, cmd, arg);
--
1.8.5.4
2018 Jul 03
3
[PATCH 0/2] drm/nouveau: Fix runtime PM leaks
One very easy to trigger runtime PM leak, along with a rare never before
seen runtime PM leak!
Lyude Paul (2):
drm/nouveau: Fix runtime PM leak in drm_open()
drm/nouveau: Fix runtime PM leak in nv50_disp_atomic_commit()
drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_drm.c | 6 ++++--
2 files changed, 5 insertions(+), 3 deletions(-)
--
2.17.1
2014 Feb 10
2
[PATCH] drm/nouveau: handle -EACCES runtime PM return code
...pu/drm/nouveau/nouveau_drm.c
@@ -696,7 +696,7 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0 && ret != -EACCES)
return ret;
get_task_comm(tmpname, current);
@@ -781,7 +781,7 @@ long nouveau_drm_ioctl(struct file *filp,
dev = file_priv->minor->dev;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0 && ret != -EACCES)
return ret;
ret = drm_ioctl(filp, cmd, arg);
--
1.8.5.4
2012 Dec 05
2
[RFC PATCH] drm/nouveau: report channel owner in error messages
...ct drm_device *dev, struct drm_file *fpriv)
struct pci_dev *pdev = dev->pdev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_cli *cli;
- char name[16];
+ char name[32], tmpname[TASK_COMM_LEN];
int ret;
- snprintf(name, sizeof(name), "%d", pid_nr(fpriv->pid));
+ get_task_comm(tmpname, current);
+ snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
if (ret)
2017 Dec 28
3
[PATCH] drm/virtio: Add window server support
...gt;config->del_vqs(vgdev->vdev);
@@ -274,25 +287,43 @@ int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file)
uint32_t id;
char dbgname[64], tmpname[TASK_COMM_LEN];
- /* can't create contexts without 3d renderer */
- if (!vgdev->has_virgl_3d)
- return 0;
-
- get_task_comm(tmpname, current);
- snprintf(dbgname, sizeof(dbgname), "%s", tmpname);
- dbgname[63] = 0;
/* allocate a virt GPU context for this opener */
vfpriv = kzalloc(sizeof(*vfpriv), GFP_KERNEL);
if (!vfpriv)
return -ENOMEM;
- virtio_gpu_context_create(vgdev, strlen(dbgname), dbgname,...