diff mbox series

drm/i915/selftests: Unwind hugepages to drop wakeref on error

Message ID 20230113114903.7824-1-nirmoy.das@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/selftests: Unwind hugepages to drop wakeref on error | expand

Commit Message

Nirmoy Das Jan. 13, 2023, 11:49 a.m. UTC
From: Chris Wilson <chris.p.wilson@linux.intel.com>

Make sure that upon error after we have acquired the wakeref we do
release it again.

Signed-off-by: Chris Wilson <chris.p.wilson@linux.intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
---
 drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

Matthew Auld Jan. 13, 2023, 11:51 a.m. UTC | #1
On 13/01/2023 11:49, Nirmoy Das wrote:
> From: Chris Wilson <chris.p.wilson@linux.intel.com>
> 
> Make sure that upon error after we have acquired the wakeref we do
> release it again.
> 
> Signed-off-by: Chris Wilson <chris.p.wilson@linux.intel.com>
> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Nirmoy Das Jan. 13, 2023, 12:02 p.m. UTC | #2
Thanks Matt, I missed the Fixes tag so resent it with fixes and Cc to 
stable.

On 1/13/2023 12:51 PM, Matthew Auld wrote:
> On 13/01/2023 11:49, Nirmoy Das wrote:
>> From: Chris Wilson <chris.p.wilson@linux.intel.com>
>>
>> Make sure that upon error after we have acquired the wakeref we do
>> release it again.
>>
>> Signed-off-by: Chris Wilson <chris.p.wilson@linux.intel.com>
>> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
> Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Matthew Auld Jan. 13, 2023, 12:05 p.m. UTC | #3
On 13/01/2023 12:02, Das, Nirmoy wrote:
> Thanks Matt, I missed the Fixes tag so resent it with fixes and Cc to 
> stable.

I don't think kernel selftests are really stable material. AFAIK it's 
not something normal users care about.

> 
> On 1/13/2023 12:51 PM, Matthew Auld wrote:
>> On 13/01/2023 11:49, Nirmoy Das wrote:
>>> From: Chris Wilson <chris.p.wilson@linux.intel.com>
>>>
>>> Make sure that upon error after we have acquired the wakeref we do
>>> release it again.
>>>
>>> Signed-off-by: Chris Wilson <chris.p.wilson@linux.intel.com>
>>> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
>> Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Nirmoy Das Jan. 13, 2023, 12:07 p.m. UTC | #4
On 1/13/2023 1:05 PM, Matthew Auld wrote:
> On 13/01/2023 12:02, Das, Nirmoy wrote:
>> Thanks Matt, I missed the Fixes tag so resent it with fixes and Cc to 
>> stable.
>
> I don't think kernel selftests are really stable material. AFAIK it's 
> not something normal users care about.


True, in that case please ignore the latest copy of this patch!.


Thanks,

Nirmoy

>
>>
>> On 1/13/2023 12:51 PM, Matthew Auld wrote:
>>> On 13/01/2023 11:49, Nirmoy Das wrote:
>>>> From: Chris Wilson <chris.p.wilson@linux.intel.com>
>>>>
>>>> Make sure that upon error after we have acquired the wakeref we do
>>>> release it again.
>>>>
>>>> Signed-off-by: Chris Wilson <chris.p.wilson@linux.intel.com>
>>>> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
>>> Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Andrzej Hajda Jan. 16, 2023, 11:21 a.m. UTC | #5
On 13.01.2023 12:49, Nirmoy Das wrote:
> From: Chris Wilson <chris.p.wilson@linux.intel.com>
> 
> Make sure that upon error after we have acquired the wakeref we do
> release it again.
> 
> Signed-off-by: Chris Wilson <chris.p.wilson@linux.intel.com>
> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>

Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>

Regards
Andrzej

> ---
>   drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
> index c281b0ec9e05..295d6f2cc4ff 100644
> --- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
> +++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
> @@ -1855,7 +1855,7 @@ static int igt_shrink_thp(void *arg)
>   			I915_SHRINK_ACTIVE);
>   	i915_vma_unpin(vma);
>   	if (err)
> -		goto out_put;
> +		goto out_wf;
>   
>   	/*
>   	 * Now that the pages are *unpinned* shrinking should invoke
> @@ -1871,7 +1871,7 @@ static int igt_shrink_thp(void *arg)
>   		pr_err("unexpected pages mismatch, should_swap=%s\n",
>   		       str_yes_no(should_swap));
>   		err = -EINVAL;
> -		goto out_put;
> +		goto out_wf;
>   	}
>   
>   	if (should_swap == (obj->mm.page_sizes.sg || obj->mm.page_sizes.phys)) {
> @@ -1883,7 +1883,7 @@ static int igt_shrink_thp(void *arg)
>   
>   	err = i915_vma_pin(vma, 0, 0, flags);
>   	if (err)
> -		goto out_put;
> +		goto out_wf;
>   
>   	while (n--) {
>   		err = cpu_check(obj, n, 0xdeadbeaf);
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index c281b0ec9e05..295d6f2cc4ff 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -1855,7 +1855,7 @@  static int igt_shrink_thp(void *arg)
 			I915_SHRINK_ACTIVE);
 	i915_vma_unpin(vma);
 	if (err)
-		goto out_put;
+		goto out_wf;
 
 	/*
 	 * Now that the pages are *unpinned* shrinking should invoke
@@ -1871,7 +1871,7 @@  static int igt_shrink_thp(void *arg)
 		pr_err("unexpected pages mismatch, should_swap=%s\n",
 		       str_yes_no(should_swap));
 		err = -EINVAL;
-		goto out_put;
+		goto out_wf;
 	}
 
 	if (should_swap == (obj->mm.page_sizes.sg || obj->mm.page_sizes.phys)) {
@@ -1883,7 +1883,7 @@  static int igt_shrink_thp(void *arg)
 
 	err = i915_vma_pin(vma, 0, 0, flags);
 	if (err)
-		goto out_put;
+		goto out_wf;
 
 	while (n--) {
 		err = cpu_check(obj, n, 0xdeadbeaf);