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* [PATCH] tests/intel/xe_exec_reset: Explicitly declare exec
@ 2024-10-14 21:31 Jonathan Cavitt
  0 siblings, 0 replies; 4+ messages in thread
From: Jonathan Cavitt @ 2024-10-14 21:31 UTC (permalink / raw)
  To: igt-dev; +Cc: jonathan.cavitt, saurabhg.gupta, alex.zuo, jani.saarinen

In the gt-reset-stress subtest, we define a drm_xe_exec exec without
declaring any of its variable values.  Explicitly declare exec to equal
an empty struct to prevent any values from being assigned garbage data
during execution.

Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
CC: Jani Saarinen <jani.saarinen@intel.com>
---
 tests/intel/xe_exec_reset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/intel/xe_exec_reset.c b/tests/intel/xe_exec_reset.c
index b5d5f43eab..fdfefa91cc 100644
--- a/tests/intel/xe_exec_reset.c
+++ b/tests/intel/xe_exec_reset.c
@@ -628,7 +628,7 @@ static void submit_jobs(struct gt_thread_data *t)
 			.engine_instance = 0,
 			.gt_id = 0,
 		};
-		struct drm_xe_exec exec;
+		struct drm_xe_exec exec = {};
 		int ret;
 
 		/* GuC IDs can get exhausted */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH] tests/intel/xe_exec_reset: Explicitly declare exec
@ 2024-10-14 21:39 Jonathan Cavitt
  2024-10-14 21:45 ` Dixit, Ashutosh
  0 siblings, 1 reply; 4+ messages in thread
From: Jonathan Cavitt @ 2024-10-14 21:39 UTC (permalink / raw)
  To: igt-dev; +Cc: jonathan.cavitt, saurabhg.gupta, alex.zuo, jani.saarinen

In the gt-reset-stress subtest, we define a drm_xe_exec exec without
declaring any of its variable values.  Explicitly declare exec to equal
an empty struct to prevent any values from being assigned garbage data
during execution.

Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
CC: Jani Saarinen <jani.saarinen@intel.com>
---
 tests/intel/xe_exec_reset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/intel/xe_exec_reset.c b/tests/intel/xe_exec_reset.c
index b5d5f43eab..fdfefa91cc 100644
--- a/tests/intel/xe_exec_reset.c
+++ b/tests/intel/xe_exec_reset.c
@@ -628,7 +628,7 @@ static void submit_jobs(struct gt_thread_data *t)
 			.engine_instance = 0,
 			.gt_id = 0,
 		};
-		struct drm_xe_exec exec;
+		struct drm_xe_exec exec = {};
 		int ret;
 
 		/* GuC IDs can get exhausted */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] tests/intel/xe_exec_reset: Explicitly declare exec
  2024-10-14 21:39 [PATCH] tests/intel/xe_exec_reset: Explicitly declare exec Jonathan Cavitt
@ 2024-10-14 21:45 ` Dixit, Ashutosh
  2024-10-14 21:50   ` Cavitt, Jonathan
  0 siblings, 1 reply; 4+ messages in thread
From: Dixit, Ashutosh @ 2024-10-14 21:45 UTC (permalink / raw)
  To: Jonathan Cavitt; +Cc: igt-dev, saurabhg.gupta, alex.zuo, jani.saarinen

On Mon, 14 Oct 2024 14:39:36 -0700, Jonathan Cavitt wrote:
>
> diff --git a/tests/intel/xe_exec_reset.c b/tests/intel/xe_exec_reset.c
> index b5d5f43eab..fdfefa91cc 100644
> --- a/tests/intel/xe_exec_reset.c
> +++ b/tests/intel/xe_exec_reset.c
> @@ -628,7 +628,7 @@ static void submit_jobs(struct gt_thread_data *t)
>			.engine_instance = 0,
>			.gt_id = 0,
>		};
> -		struct drm_xe_exec exec;
> +		struct drm_xe_exec exec = {};
>		int ret;
>

How about

      struct drm_xe_exec exec = {
                .num_batch_buffer = 1,
                .address = addr,
        };

And delete the assignments below?

>		/* GuC IDs can get exhausted */
> --
> 2.43.0
>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* RE: [PATCH] tests/intel/xe_exec_reset: Explicitly declare exec
  2024-10-14 21:45 ` Dixit, Ashutosh
@ 2024-10-14 21:50   ` Cavitt, Jonathan
  0 siblings, 0 replies; 4+ messages in thread
From: Cavitt, Jonathan @ 2024-10-14 21:50 UTC (permalink / raw)
  To: Dixit, Ashutosh
  Cc: igt-dev@lists.freedesktop.org, Gupta, saurabhg, Zuo, Alex,
	Saarinen, Jani, Cavitt, Jonathan

-----Original Message-----
From: Dixit, Ashutosh <ashutosh.dixit@intel.com> 
Sent: Monday, October 14, 2024 2:46 PM
To: Cavitt, Jonathan <jonathan.cavitt@intel.com>
Cc: igt-dev@lists.freedesktop.org; Gupta, saurabhg <saurabhg.gupta@intel.com>; Zuo, Alex <alex.zuo@intel.com>; Saarinen, Jani <jani.saarinen@intel.com>
Subject: Re: [PATCH] tests/intel/xe_exec_reset: Explicitly declare exec
> 
> On Mon, 14 Oct 2024 14:39:36 -0700, Jonathan Cavitt wrote:
> >
> > diff --git a/tests/intel/xe_exec_reset.c b/tests/intel/xe_exec_reset.c
> > index b5d5f43eab..fdfefa91cc 100644
> > --- a/tests/intel/xe_exec_reset.c
> > +++ b/tests/intel/xe_exec_reset.c
> > @@ -628,7 +628,7 @@ static void submit_jobs(struct gt_thread_data *t)
> >			.engine_instance = 0,
> >			.gt_id = 0,
> >		};
> > -		struct drm_xe_exec exec;
> > +		struct drm_xe_exec exec = {};
> >		int ret;
> >
> 
> How about
> 
>       struct drm_xe_exec exec = {
>                 .num_batch_buffer = 1,
>                 .address = addr,
>         };
> 
> And delete the assignments below?

Good catch!
I'll apply this change shortly and change the commit message
to reflect the new implementation.
-Jonathan Cavitt

> 
> >		/* GuC IDs can get exhausted */
> > --
> > 2.43.0
> >
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread

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2024-10-14 21:39 [PATCH] tests/intel/xe_exec_reset: Explicitly declare exec Jonathan Cavitt
2024-10-14 21:45 ` Dixit, Ashutosh
2024-10-14 21:50   ` Cavitt, Jonathan
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2024-10-14 21:31 Jonathan Cavitt

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