* [PATCH] gpu/drm/vkms: Use new return type vm_fault_t
@ 2018-07-23 17:04 Souptick Joarder
2018-07-25 13:17 ` Rodrigo Siqueira
0 siblings, 1 reply; 3+ messages in thread
From: Souptick Joarder @ 2018-07-23 17:04 UTC (permalink / raw)
To: willy, airlied, daniel.vetter, rodrigosiqueiramelo,
gustavo.padovan, hamohammed.sa, jrdr.linux
Cc: dri-devel, linux-kernel
Use new return type vm_fault_t for fault handler.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
---
drivers/gpu/drm/vkms/vkms_drv.h | 2 +-
drivers/gpu/drm/vkms/vkms_gem.c | 5 ++---
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
index 07be29f..d5d04a8 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.h
+++ b/drivers/gpu/drm/vkms/vkms_drv.h
@@ -65,7 +65,7 @@ struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
u32 *handle,
u64 size);
-int vkms_gem_fault(struct vm_fault *vmf);
+vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
struct drm_mode_create_dumb *args);
diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c
index c7e3836..62e05dc 100644
--- a/drivers/gpu/drm/vkms/vkms_gem.c
+++ b/drivers/gpu/drm/vkms/vkms_gem.c
@@ -43,14 +43,14 @@ void vkms_gem_free_object(struct drm_gem_object *obj)
kfree(gem);
}
-int vkms_gem_fault(struct vm_fault *vmf)
+vm_fault_t vkms_gem_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct vkms_gem_object *obj = vma->vm_private_data;
unsigned long vaddr = vmf->address;
pgoff_t page_offset;
loff_t num_pages;
- int ret;
+ vm_fault_t ret = VM_FAULT_SIGBUS;
page_offset = (vaddr - vma->vm_start) >> PAGE_SHIFT;
num_pages = DIV_ROUND_UP(obj->gem.size, PAGE_SIZE);
@@ -58,7 +58,6 @@ int vkms_gem_fault(struct vm_fault *vmf)
if (page_offset > num_pages)
return VM_FAULT_SIGBUS;
- ret = -ENOENT;
mutex_lock(&obj->pages_lock);
if (obj->pages) {
get_page(obj->pages[page_offset]);
--
1.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] gpu/drm/vkms: Use new return type vm_fault_t
2018-07-23 17:04 [PATCH] gpu/drm/vkms: Use new return type vm_fault_t Souptick Joarder
@ 2018-07-25 13:17 ` Rodrigo Siqueira
2018-07-26 4:27 ` Souptick Joarder
0 siblings, 1 reply; 3+ messages in thread
From: Rodrigo Siqueira @ 2018-07-25 13:17 UTC (permalink / raw)
To: Souptick Joarder
Cc: willy, airlied, daniel.vetter, gustavo.padovan, hamohammed.sa,
dri-devel, linux-kernel
Hi,
Thanks for the patch,
I reviewed and tested it; everything is fine. I only suggest removing
the "gpu" part from the patch title (i.e., "drm/vkms: Use new return
type vm_fault_t").
On 07/23, Souptick Joarder wrote:
> Use new return type vm_fault_t for fault handler.
>
> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
> ---
> drivers/gpu/drm/vkms/vkms_drv.h | 2 +-
> drivers/gpu/drm/vkms/vkms_gem.c | 5 ++---
> 2 files changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
> index 07be29f..d5d04a8 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.h
> +++ b/drivers/gpu/drm/vkms/vkms_drv.h
> @@ -65,7 +65,7 @@ struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
> u32 *handle,
> u64 size);
>
> -int vkms_gem_fault(struct vm_fault *vmf);
> +vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
>
> int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
> struct drm_mode_create_dumb *args);
> diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c
> index c7e3836..62e05dc 100644
> --- a/drivers/gpu/drm/vkms/vkms_gem.c
> +++ b/drivers/gpu/drm/vkms/vkms_gem.c
> @@ -43,14 +43,14 @@ void vkms_gem_free_object(struct drm_gem_object *obj)
> kfree(gem);
> }
>
> -int vkms_gem_fault(struct vm_fault *vmf)
> +vm_fault_t vkms_gem_fault(struct vm_fault *vmf)
> {
> struct vm_area_struct *vma = vmf->vma;
> struct vkms_gem_object *obj = vma->vm_private_data;
> unsigned long vaddr = vmf->address;
> pgoff_t page_offset;
> loff_t num_pages;
> - int ret;
> + vm_fault_t ret = VM_FAULT_SIGBUS;
>
> page_offset = (vaddr - vma->vm_start) >> PAGE_SHIFT;
> num_pages = DIV_ROUND_UP(obj->gem.size, PAGE_SIZE);
> @@ -58,7 +58,6 @@ int vkms_gem_fault(struct vm_fault *vmf)
> if (page_offset > num_pages)
> return VM_FAULT_SIGBUS;
>
> - ret = -ENOENT;
> mutex_lock(&obj->pages_lock);
> if (obj->pages) {
> get_page(obj->pages[page_offset]);
> --
> 1.9.1
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] gpu/drm/vkms: Use new return type vm_fault_t
2018-07-25 13:17 ` Rodrigo Siqueira
@ 2018-07-26 4:27 ` Souptick Joarder
0 siblings, 0 replies; 3+ messages in thread
From: Souptick Joarder @ 2018-07-26 4:27 UTC (permalink / raw)
To: Rodrigo Siqueira
Cc: Matthew Wilcox, airlied, Daniel Vetter, gustavo.padovan,
Haneen Mohammed, dri-devel, linux-kernel
On Wed, Jul 25, 2018 at 6:47 PM, Rodrigo Siqueira
<rodrigosiqueiramelo@gmail.com> wrote:
> Hi,
>
> Thanks for the patch,
>
> I reviewed and tested it; everything is fine. I only suggest removing
> the "gpu" part from the patch title (i.e., "drm/vkms: Use new return
> type vm_fault_t").
ok. I Will post v2.
>
> On 07/23, Souptick Joarder wrote:
>> Use new return type vm_fault_t for fault handler.
>>
>> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
>> ---
>> drivers/gpu/drm/vkms/vkms_drv.h | 2 +-
>> drivers/gpu/drm/vkms/vkms_gem.c | 5 ++---
>> 2 files changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
>> index 07be29f..d5d04a8 100644
>> --- a/drivers/gpu/drm/vkms/vkms_drv.h
>> +++ b/drivers/gpu/drm/vkms/vkms_drv.h
>> @@ -65,7 +65,7 @@ struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
>> u32 *handle,
>> u64 size);
>>
>> -int vkms_gem_fault(struct vm_fault *vmf);
>> +vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
>>
>> int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
>> struct drm_mode_create_dumb *args);
>> diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c
>> index c7e3836..62e05dc 100644
>> --- a/drivers/gpu/drm/vkms/vkms_gem.c
>> +++ b/drivers/gpu/drm/vkms/vkms_gem.c
>> @@ -43,14 +43,14 @@ void vkms_gem_free_object(struct drm_gem_object *obj)
>> kfree(gem);
>> }
>>
>> -int vkms_gem_fault(struct vm_fault *vmf)
>> +vm_fault_t vkms_gem_fault(struct vm_fault *vmf)
>> {
>> struct vm_area_struct *vma = vmf->vma;
>> struct vkms_gem_object *obj = vma->vm_private_data;
>> unsigned long vaddr = vmf->address;
>> pgoff_t page_offset;
>> loff_t num_pages;
>> - int ret;
>> + vm_fault_t ret = VM_FAULT_SIGBUS;
>>
>> page_offset = (vaddr - vma->vm_start) >> PAGE_SHIFT;
>> num_pages = DIV_ROUND_UP(obj->gem.size, PAGE_SIZE);
>> @@ -58,7 +58,6 @@ int vkms_gem_fault(struct vm_fault *vmf)
>> if (page_offset > num_pages)
>> return VM_FAULT_SIGBUS;
>>
>> - ret = -ENOENT;
>> mutex_lock(&obj->pages_lock);
>> if (obj->pages) {
>> get_page(obj->pages[page_offset]);
>> --
>> 1.9.1
>>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-07-23 17:04 [PATCH] gpu/drm/vkms: Use new return type vm_fault_t Souptick Joarder
2018-07-25 13:17 ` Rodrigo Siqueira
2018-07-26 4:27 ` Souptick Joarder
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