Re: [Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-17 Thread Das, Nirmoy



On 1/16/2023 7:49 PM, Andi Shyti wrote:

Hi Nirmoy,

On Fri, Jan 13, 2023 at 01:00:53PM +0100, Nirmoy Das wrote:

From: Chris Wilson 

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

Fixes: 027c38b4121e ("drm/i915/selftests: Grab the runtime pm in shrink_thp")
Reviewed-by: Matthew Auld 
Signed-off-by: Chris Wilson 
Signed-off-by: Nirmoy Das 
Cc:  # v6.0+
---
  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;
}

aren't we missing here one out_put -> out_wf change?

This one:

@@ -1878,7 +1878,7 @@ static int igt_shrink_thp(void *arg)
 pr_err("unexpected residual page-size bits, should_swap=%s\n",
str_yes_no(should_swap));
 err = -EINVAL;
-   goto out_put;
+   goto out_wf;



Thanks for catching this. Yes, we need this too. I will resend.


Nirmoy


 }
  
 err = i915_vma_pin(vma, 0, 0, flags);


Andi

  
  	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);
--
2.39.0


Re: [Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-16 Thread Andi Shyti
Hi Nirmoy,

On Fri, Jan 13, 2023 at 01:00:53PM +0100, Nirmoy Das wrote:
> From: Chris Wilson 
> 
> Make sure that upon error after we have acquired the wakeref we do
> release it again.
> 
> Fixes: 027c38b4121e ("drm/i915/selftests: Grab the runtime pm in shrink_thp")
> Reviewed-by: Matthew Auld 
> Signed-off-by: Chris Wilson 
> Signed-off-by: Nirmoy Das 
> Cc:  # v6.0+
> ---
>  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;
>   }

aren't we missing here one out_put -> out_wf change?

This one:

@@ -1878,7 +1878,7 @@ static int igt_shrink_thp(void *arg)
pr_err("unexpected residual page-size bits, should_swap=%s\n",
   str_yes_no(should_swap));
err = -EINVAL;
-   goto out_put;
+   goto out_wf;
}
 
err = i915_vma_pin(vma, 0, 0, flags);

Andi

>  
>   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);
> -- 
> 2.39.0


Re: [Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-16 Thread Andrzej Hajda

On 13.01.2023 12:49, Nirmoy Das wrote:

From: Chris Wilson 

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

Signed-off-by: Chris Wilson 
Signed-off-by: Nirmoy Das 


Reviewed-by: Andrzej Hajda 

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);




Re: [Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-13 Thread Das, Nirmoy



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 

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

Signed-off-by: Chris Wilson 
Signed-off-by: Nirmoy Das 

Reviewed-by: Matthew Auld 


Re: [Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-13 Thread Matthew Auld

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 

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

Signed-off-by: Chris Wilson 
Signed-off-by: Nirmoy Das 

Reviewed-by: Matthew Auld 


Re: [Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-13 Thread Das, Nirmoy
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 

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

Signed-off-by: Chris Wilson 
Signed-off-by: Nirmoy Das 

Reviewed-by: Matthew Auld 


[Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-13 Thread Nirmoy Das
From: Chris Wilson 

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

Fixes: 027c38b4121e ("drm/i915/selftests: Grab the runtime pm in shrink_thp")
Reviewed-by: Matthew Auld 
Signed-off-by: Chris Wilson 
Signed-off-by: Nirmoy Das 
Cc:  # v6.0+
---
 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);
-- 
2.39.0



Re: [Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-13 Thread Matthew Auld

On 13/01/2023 11:49, Nirmoy Das wrote:

From: Chris Wilson 

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

Signed-off-by: Chris Wilson 
Signed-off-by: Nirmoy Das 

Reviewed-by: Matthew Auld 


[Intel-gfx] [PATCH] drm/i915/selftests: Unwind hugepages to drop wakeref on error

2023-01-13 Thread Nirmoy Das
From: Chris Wilson 

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

Signed-off-by: Chris Wilson 
Signed-off-by: Nirmoy Das 
---
 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);
-- 
2.39.0