[PATCH v2 0/2] NVKM GSP RPC message handling policy

[Zhi Wang]

On 26/02/2025 11.32, Lyude Paul wrote:
> For the whole series:
> 
> Reviewed-by: Lyude Paul <lyude at redhat.com>
> 

Hi Lyude:

Thanks so much for the RB. Ben found a hidden use-after-free after 
enabling the KFENCE in v3.I re-spined it with a minor fixes. Please 
review. Sorry for that.

Z.

> On Tue, 2025-02-25 at 22:53 +0000, Zhi Wang wrote:
>> Hi folks:
>>
>> Here are the v2 version of NVKM GSP RPC message handling policy which
>> solves the issue reported by Ben. More details can be found in v1 [1].
>>
>> v2:
>>
>> - Add Fixes: tag. (Danilo)
>> - Merge some patches into one. (Danilo, Alex)
>> - Implement the policy type as an explicit enum type to leverage the
>>    compiler check. (Alex)
>> - Introduce the NVKM_GSP_RPC_NOWAIT for "caller don't care" policy.
>>    (Alex)
>> - Introduce the kernel doc at the same time with the changes. (Alex)
>>
>> Zhi Wang (2):
>>    drm/nouveau/nvkm: factor out current GSP RPC command policies
>>    drm/nouveau/nvkm: introduce new GSP reply policy
>>      NVKM_GSP_RPC_REPLY_POLL
>>
>>   Documentation/gpu/nouveau.rst                 |  3 +
>>   .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 38 +++++++--
>>   .../gpu/drm/nouveau/nvkm/subdev/bar/r535.c    |  2 +-
>>   .../gpu/drm/nouveau/nvkm/subdev/gsp/r535.c    | 79 ++++++++++---------
>>   .../drm/nouveau/nvkm/subdev/instmem/r535.c    |  2 +-
>>   5 files changed, 79 insertions(+), 45 deletions(-)
>>
>