Re: [Nouveau] [PATCH] fix drm-get-put.cocci warnings

2018-01-15 Thread Julia Lawall


On Mon, 15 Jan 2018, Thierry Reding wrote:

> On Mon, Jan 15, 2018 at 01:47:07PM +0100, Julia Lawall wrote:
> > From: Fengguang Wu 
> >
> > Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and
> > drm_*_unreference() helpers.
> >
> > Generated by: scripts/coccinelle/api/drm-get-put.cocci
> >
> > Signed-off-by: Fengguang Wu 
> > Signed-off-by: Julia Lawall 
> > ---
> >
> > tree:   https://github.com/thierryreding/linux for-4.16/work
> > head:   6c86494bb2f670293f6137b0a4b3c53c8886eba4
> > commit: 34f022b2d11f91a323d3e7d15893d480646f3fad [149/161] WIP
> >
> >  nouveau_gem.c |   16 
> >  1 file changed, 8 insertions(+), 8 deletions(-)
>
> Hi Julia,
>
> thanks for the patch. However, the tree that you generated it against is
> a personal development tree and it happens to have a bunch of commits in
> it that are very experimental and some of which are very unlikely to go
> upstream. There's an IOCTL addition patch (touched by hunk 7 in this
> patch) that is used only for testing purposes. All of the other hunks do
> pply properly to linux-next, so I think those can be posted. Nouveau is
> maintained by Ben Skeggs, though, so they should be addressed to him.
>
> I don't personally mind getting these patches, and I don't mind people
> seeing the personal development tree (it's publicly available, after
> all) but I think patches against this tree will be confusing to anyone
> but me because they are likely not going to apply anywhere other than
> that tree.

OK, I'm just forwarding what kbuild sends me for approval.  No problem if
you toss it, apply it, or do whatever seems reasonable :)

julia

>
> Thanks,
> Thierry
>
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Re: [Nouveau] [PATCH] fix drm-get-put.cocci warnings

2018-01-15 Thread Thierry Reding
On Mon, Jan 15, 2018 at 01:47:07PM +0100, Julia Lawall wrote:
> From: Fengguang Wu 
> 
> Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and
> drm_*_unreference() helpers.
> 
> Generated by: scripts/coccinelle/api/drm-get-put.cocci
> 
> Signed-off-by: Fengguang Wu 
> Signed-off-by: Julia Lawall 
> ---
> 
> tree:   https://github.com/thierryreding/linux for-4.16/work
> head:   6c86494bb2f670293f6137b0a4b3c53c8886eba4
> commit: 34f022b2d11f91a323d3e7d15893d480646f3fad [149/161] WIP
> 
>  nouveau_gem.c |   16 
>  1 file changed, 8 insertions(+), 8 deletions(-)

Hi Julia,

thanks for the patch. However, the tree that you generated it against is
a personal development tree and it happens to have a bunch of commits in
it that are very experimental and some of which are very unlikely to go
upstream. There's an IOCTL addition patch (touched by hunk 7 in this
patch) that is used only for testing purposes. All of the other hunks do
pply properly to linux-next, so I think those can be posted. Nouveau is
maintained by Ben Skeggs, though, so they should be addressed to him.

I don't personally mind getting these patches, and I don't mind people
seeing the personal development tree (it's publicly available, after
all) but I think patches against this tree will be confusing to anyone
but me because they are likely not going to apply anywhere other than
that tree.

Thanks,
Thierry


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[PATCH] fix drm-get-put.cocci warnings

2018-01-15 Thread Julia Lawall
From: Fengguang Wu 

Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and
drm_*_unreference() helpers.

Generated by: scripts/coccinelle/api/drm-get-put.cocci

Signed-off-by: Fengguang Wu 
Signed-off-by: Julia Lawall 
---

tree:   https://github.com/thierryreding/linux for-4.16/work
head:   6c86494bb2f670293f6137b0a4b3c53c8886eba4
commit: 34f022b2d11f91a323d3e7d15893d480646f3fad [149/161] WIP

 nouveau_gem.c |   16 
 1 file changed, 8 insertions(+), 8 deletions(-)

--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -296,7 +296,7 @@ nouveau_gem_ioctl_new(struct drm_device
}

/* drop reference from allocate - handle holds it now */
-   drm_gem_object_unreference_unlocked(&nvbo->gem);
+   drm_gem_object_put_unlocked(&nvbo->gem);
return ret;
 }

@@ -365,7 +365,7 @@ validate_fini_no_ticket(struct validate_
list_del(&nvbo->entry);
nvbo->reserved_by = NULL;
ttm_bo_unreserve(&nvbo->bo);
-   drm_gem_object_unreference_unlocked(&nvbo->gem);
+   drm_gem_object_put_unlocked(&nvbo->gem);
}
 }

@@ -411,14 +411,14 @@ retry:
nvbo = nouveau_gem_object(gem);
if (nvbo == res_bo) {
res_bo = NULL;
-   drm_gem_object_unreference_unlocked(gem);
+   drm_gem_object_put_unlocked(gem);
continue;
}

if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
NV_PRINTK(err, cli, "multiple instances of buffer %d on 
"
  "validation list\n", b->handle);
-   drm_gem_object_unreference_unlocked(gem);
+   drm_gem_object_put_unlocked(gem);
ret = -EINVAL;
break;
}
@@ -969,7 +969,7 @@ nouveau_gem_ioctl_cpu_prep(struct drm_de
ret = lret;

nouveau_bo_sync_for_cpu(nvbo);
-   drm_gem_object_unreference_unlocked(gem);
+   drm_gem_object_put_unlocked(gem);

return ret;
 }
@@ -988,7 +988,7 @@ nouveau_gem_ioctl_cpu_fini(struct drm_de
nvbo = nouveau_gem_object(gem);

nouveau_bo_sync_for_device(nvbo);
-   drm_gem_object_unreference_unlocked(gem);
+   drm_gem_object_put_unlocked(gem);
return 0;
 }

@@ -1005,7 +1005,7 @@ nouveau_gem_ioctl_info(struct drm_device
return -ENOENT;

ret = nouveau_gem_info(file_priv, gem, req);
-   drm_gem_object_unreference_unlocked(gem);
+   drm_gem_object_put_unlocked(gem);
return ret;
 }

@@ -1153,7 +1153,7 @@ out:
return err;

 unref:
-   drm_gem_object_unreference(&nvbo->gem);
+   drm_gem_object_put(&nvbo->gem);
 unref_bo:
nouveau_bo_ref(NULL, &nvbo);
 free_sgt:
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