Re: [PATCH 00/12] v3d: Perfmon cleanup

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Hi Iago,

On 10/07/2024 07:06, Iago Toral wrote:
El mar, 09-07-2024 a las 17:34 +0100, Tvrtko Ursulin escribió:
From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxx>

When we had to quickly deal with a tree build issue via merging
792d16b5375d ("drm/v3d: Move perfmon init completely into own unit"),
we
promised to follow up with a nicer solution.

As in the process of eliminating the hardcoded defines we have
discovered a few
issues in handling of corner cases and userspace input validation,
the fix has
turned into a larger series, but hopefully the end result is a
justifiable
cleanup.


Thanks for going the extra mile with this :)

Patches 1 and 5-8 are:
Reviewed-by: Iago Toral Quiroga <itoral@xxxxxxxxxx>

Thank you!

Unfortunately I had to re-order the patches in the series so fixes come first, and as that caused a lot of churn in each patch I did not apply your r-b's when re-sending.

Hmmm actually I should have for the first patch, that one is unchanged. I will fix that one.

Regards,

Tvrtko

Tvrtko Ursulin (12):
   drm/v3d: Prevent out of bounds access in performance query
extensions
   drm/v3d: Prefer get_user for scalar types
   drm/v3d: Add some local variables in queries/extensions
   drm/v3d: Align data types of internal and uapi counts
   drm/v3d: Fix potential memory leak in the timestamp extension
   drm/v3d: Fix potential memory leak in the performance extension
   drm/v3d: Validate passed in drm syncobj handles in the timestamp
     extension
   drm/v3d: Validate passed in drm syncobj handles in the performance
     extension
   drm/v3d: Move part of copying of reset/copy performance extension
to a
     helper
   drm/v3d: Size the kperfmon_ids array at runtime
   drm/v3d: Do not use intermediate storage when copying performance
     query results
   drm/v3d: Move perfmon init completely into own unit

  drivers/gpu/drm/v3d/v3d_drv.c                 |   9 +-
  drivers/gpu/drm/v3d/v3d_drv.h                 |  16 +-
  drivers/gpu/drm/v3d/v3d_perfmon.c             |  44 +--
  .../gpu/drm/v3d/v3d_performance_counters.h    |  16 +-
  drivers/gpu/drm/v3d/v3d_sched.c               | 106 ++++---
  drivers/gpu/drm/v3d/v3d_submit.c              | 285 ++++++++++------
--
  6 files changed, 281 insertions(+), 195 deletions(-)





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