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* [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26  6:17 ` Chia-I Wu
  0 siblings, 0 replies; 12+ messages in thread
From: Chia-I Wu @ 2023-04-26  6:17 UTC (permalink / raw)
  To: dri-devel
  Cc: Pan, Xinhui, linux-kernel, stable, amd-gfx, Daniel Vetter,
	Alex Deucher, David Airlie, Christian König

mgr->ctx_handles should be protected by mgr->lock.

v2: improve commit message

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
index e9b45089a28a6..863b2a34b2d64 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
 {
 	struct fd f = fdget(fd);
 	struct amdgpu_fpriv *fpriv;
+	struct amdgpu_ctx_mgr *mgr;
 	struct amdgpu_ctx *ctx;
 	uint32_t id;
 	int r;
@@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
 		return r;
 	}
 
-	idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
+	mgr = &fpriv->ctx_mgr;
+	mutex_lock(&mgr->lock);
+	idr_for_each_entry(&mgr->ctx_handles, ctx, id)
 		amdgpu_ctx_priority_override(ctx, priority);
+	mutex_unlock(&mgr->lock);
 
 	fdput(f);
 	return 0;
-- 
2.40.1.495.gc816e09b53d-goog


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26  6:17 ` Chia-I Wu
  0 siblings, 0 replies; 12+ messages in thread
From: Chia-I Wu @ 2023-04-26  6:17 UTC (permalink / raw)
  To: dri-devel
  Cc: stable, Alex Deucher, Christian König, Pan, Xinhui,
	David Airlie, Daniel Vetter, amd-gfx, linux-kernel

mgr->ctx_handles should be protected by mgr->lock.

v2: improve commit message

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
index e9b45089a28a6..863b2a34b2d64 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
 {
 	struct fd f = fdget(fd);
 	struct amdgpu_fpriv *fpriv;
+	struct amdgpu_ctx_mgr *mgr;
 	struct amdgpu_ctx *ctx;
 	uint32_t id;
 	int r;
@@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
 		return r;
 	}
 
-	idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
+	mgr = &fpriv->ctx_mgr;
+	mutex_lock(&mgr->lock);
+	idr_for_each_entry(&mgr->ctx_handles, ctx, id)
 		amdgpu_ctx_priority_override(ctx, priority);
+	mutex_unlock(&mgr->lock);
 
 	fdput(f);
 	return 0;
-- 
2.40.1.495.gc816e09b53d-goog


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26  6:17 ` Chia-I Wu
  0 siblings, 0 replies; 12+ messages in thread
From: Chia-I Wu @ 2023-04-26  6:17 UTC (permalink / raw)
  To: dri-devel
  Cc: Pan, Xinhui, linux-kernel, stable, amd-gfx, Alex Deucher,
	Christian König

mgr->ctx_handles should be protected by mgr->lock.

v2: improve commit message

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
index e9b45089a28a6..863b2a34b2d64 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
 {
 	struct fd f = fdget(fd);
 	struct amdgpu_fpriv *fpriv;
+	struct amdgpu_ctx_mgr *mgr;
 	struct amdgpu_ctx *ctx;
 	uint32_t id;
 	int r;
@@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
 		return r;
 	}
 
-	idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
+	mgr = &fpriv->ctx_mgr;
+	mutex_lock(&mgr->lock);
+	idr_for_each_entry(&mgr->ctx_handles, ctx, id)
 		amdgpu_ctx_priority_override(ctx, priority);
+	mutex_unlock(&mgr->lock);
 
 	fdput(f);
 	return 0;
-- 
2.40.1.495.gc816e09b53d-goog


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
  2023-04-26  6:17 ` Chia-I Wu
  (?)
@ 2023-04-26  6:42   ` Greg KH
  -1 siblings, 0 replies; 12+ messages in thread
From: Greg KH @ 2023-04-26  6:42 UTC (permalink / raw)
  To: Chia-I Wu
  Cc: amd-gfx, Pan, Xinhui, linux-kernel, stable, dri-devel,
	Daniel Vetter, Alex Deucher, David Airlie, Christian König

On Tue, Apr 25, 2023 at 11:17:14PM -0700, Chia-I Wu wrote:
> mgr->ctx_handles should be protected by mgr->lock.
> 
> v2: improve commit message
> 
> Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> Cc: stable@vger.kernel.org

What commit id does this fix?  How far back in stable kernels should
this go?

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26  6:42   ` Greg KH
  0 siblings, 0 replies; 12+ messages in thread
From: Greg KH @ 2023-04-26  6:42 UTC (permalink / raw)
  To: Chia-I Wu
  Cc: dri-devel, stable, Alex Deucher, Christian König,
	Pan, Xinhui, David Airlie, Daniel Vetter, amd-gfx, linux-kernel

On Tue, Apr 25, 2023 at 11:17:14PM -0700, Chia-I Wu wrote:
> mgr->ctx_handles should be protected by mgr->lock.
> 
> v2: improve commit message
> 
> Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> Cc: stable@vger.kernel.org

What commit id does this fix?  How far back in stable kernels should
this go?

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26  6:42   ` Greg KH
  0 siblings, 0 replies; 12+ messages in thread
From: Greg KH @ 2023-04-26  6:42 UTC (permalink / raw)
  To: Chia-I Wu
  Cc: amd-gfx, Pan, Xinhui, linux-kernel, stable, dri-devel,
	Alex Deucher, Christian König

On Tue, Apr 25, 2023 at 11:17:14PM -0700, Chia-I Wu wrote:
> mgr->ctx_handles should be protected by mgr->lock.
> 
> v2: improve commit message
> 
> Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> Cc: stable@vger.kernel.org

What commit id does this fix?  How far back in stable kernels should
this go?

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
  2023-04-26  6:17 ` Chia-I Wu
  (?)
@ 2023-04-26 11:05   ` Christian König
  -1 siblings, 0 replies; 12+ messages in thread
From: Christian König @ 2023-04-26 11:05 UTC (permalink / raw)
  To: Chia-I Wu, dri-devel
  Cc: Pan, Xinhui, linux-kernel, stable, amd-gfx, Daniel Vetter,
	Alex Deucher, David Airlie

Am 26.04.23 um 08:17 schrieb Chia-I Wu:
> mgr->ctx_handles should be protected by mgr->lock.
>
> v2: improve commit message
>
> Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> Cc: stable@vger.kernel.org

Please don't manually CC stable@vger.kernel.org while sending patches 
out, let us maintainers push that upstream with the appropriate tag and 
Greg picking it up from there.

A Fixes tag and figuring out to which stable versions this needs to be 
backported are nice to have as well, but Alex and I can take care of 
that as well.

Apart from that the technical side of the patch is Reviewed-by: 
Christian König <christian.koenig@amd.com>.

Regards,
Christian.

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> index e9b45089a28a6..863b2a34b2d64 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> @@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
>   {
>   	struct fd f = fdget(fd);
>   	struct amdgpu_fpriv *fpriv;
> +	struct amdgpu_ctx_mgr *mgr;
>   	struct amdgpu_ctx *ctx;
>   	uint32_t id;
>   	int r;
> @@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
>   		return r;
>   	}
>   
> -	idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
> +	mgr = &fpriv->ctx_mgr;
> +	mutex_lock(&mgr->lock);
> +	idr_for_each_entry(&mgr->ctx_handles, ctx, id)
>   		amdgpu_ctx_priority_override(ctx, priority);
> +	mutex_unlock(&mgr->lock);
>   
>   	fdput(f);
>   	return 0;


^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26 11:05   ` Christian König
  0 siblings, 0 replies; 12+ messages in thread
From: Christian König @ 2023-04-26 11:05 UTC (permalink / raw)
  To: Chia-I Wu, dri-devel
  Cc: stable, Alex Deucher, Pan, Xinhui, David Airlie, Daniel Vetter,
	amd-gfx, linux-kernel

Am 26.04.23 um 08:17 schrieb Chia-I Wu:
> mgr->ctx_handles should be protected by mgr->lock.
>
> v2: improve commit message
>
> Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> Cc: stable@vger.kernel.org

Please don't manually CC stable@vger.kernel.org while sending patches 
out, let us maintainers push that upstream with the appropriate tag and 
Greg picking it up from there.

A Fixes tag and figuring out to which stable versions this needs to be 
backported are nice to have as well, but Alex and I can take care of 
that as well.

Apart from that the technical side of the patch is Reviewed-by: 
Christian König <christian.koenig@amd.com>.

Regards,
Christian.

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> index e9b45089a28a6..863b2a34b2d64 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> @@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
>   {
>   	struct fd f = fdget(fd);
>   	struct amdgpu_fpriv *fpriv;
> +	struct amdgpu_ctx_mgr *mgr;
>   	struct amdgpu_ctx *ctx;
>   	uint32_t id;
>   	int r;
> @@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
>   		return r;
>   	}
>   
> -	idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
> +	mgr = &fpriv->ctx_mgr;
> +	mutex_lock(&mgr->lock);
> +	idr_for_each_entry(&mgr->ctx_handles, ctx, id)
>   		amdgpu_ctx_priority_override(ctx, priority);
> +	mutex_unlock(&mgr->lock);
>   
>   	fdput(f);
>   	return 0;


^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26 11:05   ` Christian König
  0 siblings, 0 replies; 12+ messages in thread
From: Christian König @ 2023-04-26 11:05 UTC (permalink / raw)
  To: Chia-I Wu, dri-devel
  Cc: Pan, Xinhui, linux-kernel, stable, amd-gfx, Alex Deucher

Am 26.04.23 um 08:17 schrieb Chia-I Wu:
> mgr->ctx_handles should be protected by mgr->lock.
>
> v2: improve commit message
>
> Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> Cc: stable@vger.kernel.org

Please don't manually CC stable@vger.kernel.org while sending patches 
out, let us maintainers push that upstream with the appropriate tag and 
Greg picking it up from there.

A Fixes tag and figuring out to which stable versions this needs to be 
backported are nice to have as well, but Alex and I can take care of 
that as well.

Apart from that the technical side of the patch is Reviewed-by: 
Christian König <christian.koenig@amd.com>.

Regards,
Christian.

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> index e9b45089a28a6..863b2a34b2d64 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> @@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
>   {
>   	struct fd f = fdget(fd);
>   	struct amdgpu_fpriv *fpriv;
> +	struct amdgpu_ctx_mgr *mgr;
>   	struct amdgpu_ctx *ctx;
>   	uint32_t id;
>   	int r;
> @@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
>   		return r;
>   	}
>   
> -	idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
> +	mgr = &fpriv->ctx_mgr;
> +	mutex_lock(&mgr->lock);
> +	idr_for_each_entry(&mgr->ctx_handles, ctx, id)
>   		amdgpu_ctx_priority_override(ctx, priority);
> +	mutex_unlock(&mgr->lock);
>   
>   	fdput(f);
>   	return 0;


^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
  2023-04-26 11:05   ` Christian König
  (?)
@ 2023-04-26 22:56     ` Chia-I Wu
  -1 siblings, 0 replies; 12+ messages in thread
From: Chia-I Wu @ 2023-04-26 22:56 UTC (permalink / raw)
  To: Christian König
  Cc: amd-gfx, Pan, Xinhui, linux-kernel, stable, dri-devel,
	Daniel Vetter, Alex Deucher, David Airlie

On Wed, Apr 26, 2023 at 4:05 AM Christian König
<christian.koenig@amd.com> wrote:
>
> Am 26.04.23 um 08:17 schrieb Chia-I Wu:
> > mgr->ctx_handles should be protected by mgr->lock.
> >
> > v2: improve commit message
> >
> > Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> > Cc: stable@vger.kernel.org
>
> Please don't manually CC stable@vger.kernel.org while sending patches
> out, let us maintainers push that upstream with the appropriate tag and
> Greg picking it up from there.
>
> A Fixes tag and figuring out to which stable versions this needs to be
> backported are nice to have as well, but Alex and I can take care of
> that as well.
>
> Apart from that the technical side of the patch is Reviewed-by:
> Christian König <christian.koenig@amd.com>.
All done.  Thanks for clarifying the process and sorry for getting it
wrong in the first place :(
>
> Regards,
> Christian.
>
> > ---
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
> >   1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > index e9b45089a28a6..863b2a34b2d64 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > @@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
> >   {
> >       struct fd f = fdget(fd);
> >       struct amdgpu_fpriv *fpriv;
> > +     struct amdgpu_ctx_mgr *mgr;
> >       struct amdgpu_ctx *ctx;
> >       uint32_t id;
> >       int r;
> > @@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
> >               return r;
> >       }
> >
> > -     idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
> > +     mgr = &fpriv->ctx_mgr;
> > +     mutex_lock(&mgr->lock);
> > +     idr_for_each_entry(&mgr->ctx_handles, ctx, id)
> >               amdgpu_ctx_priority_override(ctx, priority);
> > +     mutex_unlock(&mgr->lock);
> >
> >       fdput(f);
> >       return 0;
>

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26 22:56     ` Chia-I Wu
  0 siblings, 0 replies; 12+ messages in thread
From: Chia-I Wu @ 2023-04-26 22:56 UTC (permalink / raw)
  To: Christian König
  Cc: dri-devel, stable, Alex Deucher, Pan, Xinhui, David Airlie,
	Daniel Vetter, amd-gfx, linux-kernel

On Wed, Apr 26, 2023 at 4:05 AM Christian König
<christian.koenig@amd.com> wrote:
>
> Am 26.04.23 um 08:17 schrieb Chia-I Wu:
> > mgr->ctx_handles should be protected by mgr->lock.
> >
> > v2: improve commit message
> >
> > Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> > Cc: stable@vger.kernel.org
>
> Please don't manually CC stable@vger.kernel.org while sending patches
> out, let us maintainers push that upstream with the appropriate tag and
> Greg picking it up from there.
>
> A Fixes tag and figuring out to which stable versions this needs to be
> backported are nice to have as well, but Alex and I can take care of
> that as well.
>
> Apart from that the technical side of the patch is Reviewed-by:
> Christian König <christian.koenig@amd.com>.
All done.  Thanks for clarifying the process and sorry for getting it
wrong in the first place :(
>
> Regards,
> Christian.
>
> > ---
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
> >   1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > index e9b45089a28a6..863b2a34b2d64 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > @@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
> >   {
> >       struct fd f = fdget(fd);
> >       struct amdgpu_fpriv *fpriv;
> > +     struct amdgpu_ctx_mgr *mgr;
> >       struct amdgpu_ctx *ctx;
> >       uint32_t id;
> >       int r;
> > @@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
> >               return r;
> >       }
> >
> > -     idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
> > +     mgr = &fpriv->ctx_mgr;
> > +     mutex_lock(&mgr->lock);
> > +     idr_for_each_entry(&mgr->ctx_handles, ctx, id)
> >               amdgpu_ctx_priority_override(ctx, priority);
> > +     mutex_unlock(&mgr->lock);
> >
> >       fdput(f);
> >       return 0;
>

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED
@ 2023-04-26 22:56     ` Chia-I Wu
  0 siblings, 0 replies; 12+ messages in thread
From: Chia-I Wu @ 2023-04-26 22:56 UTC (permalink / raw)
  To: Christian König
  Cc: amd-gfx, Pan, Xinhui, linux-kernel, stable, dri-devel,
	Alex Deucher

On Wed, Apr 26, 2023 at 4:05 AM Christian König
<christian.koenig@amd.com> wrote:
>
> Am 26.04.23 um 08:17 schrieb Chia-I Wu:
> > mgr->ctx_handles should be protected by mgr->lock.
> >
> > v2: improve commit message
> >
> > Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> > Cc: stable@vger.kernel.org
>
> Please don't manually CC stable@vger.kernel.org while sending patches
> out, let us maintainers push that upstream with the appropriate tag and
> Greg picking it up from there.
>
> A Fixes tag and figuring out to which stable versions this needs to be
> backported are nice to have as well, but Alex and I can take care of
> that as well.
>
> Apart from that the technical side of the patch is Reviewed-by:
> Christian König <christian.koenig@amd.com>.
All done.  Thanks for clarifying the process and sorry for getting it
wrong in the first place :(
>
> Regards,
> Christian.
>
> > ---
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 6 +++++-
> >   1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > index e9b45089a28a6..863b2a34b2d64 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
> > @@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
> >   {
> >       struct fd f = fdget(fd);
> >       struct amdgpu_fpriv *fpriv;
> > +     struct amdgpu_ctx_mgr *mgr;
> >       struct amdgpu_ctx *ctx;
> >       uint32_t id;
> >       int r;
> > @@ -51,8 +52,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
> >               return r;
> >       }
> >
> > -     idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
> > +     mgr = &fpriv->ctx_mgr;
> > +     mutex_lock(&mgr->lock);
> > +     idr_for_each_entry(&mgr->ctx_handles, ctx, id)
> >               amdgpu_ctx_priority_override(ctx, priority);
> > +     mutex_unlock(&mgr->lock);
> >
> >       fdput(f);
> >       return 0;
>

^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2023-04-26 22:57 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-04-26  6:17 [PATCH v2] drm/amdgpu: add a missing lock for AMDGPU_SCHED Chia-I Wu
2023-04-26  6:17 ` Chia-I Wu
2023-04-26  6:17 ` Chia-I Wu
2023-04-26  6:42 ` Greg KH
2023-04-26  6:42   ` Greg KH
2023-04-26  6:42   ` Greg KH
2023-04-26 11:05 ` Christian König
2023-04-26 11:05   ` Christian König
2023-04-26 11:05   ` Christian König
2023-04-26 22:56   ` Chia-I Wu
2023-04-26 22:56     ` Chia-I Wu
2023-04-26 22:56     ` Chia-I Wu

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