psp ring wptr in SRIOV to avoid attack
[AMD Official Use Only]
>>+ ring->ring_wptr = psp_write_ptr_reg;
Put the cache mechanism into the callbacks please
>>+ ring->ring_wptr = 0;
It is not needed
At last, try to put more details in the comment to let people know
[AMD Official Use Only]
>>+ ring->ring_wptr = psp_write_ptr_reg;
Put the cache mechanism into the callbacks please
>>+ ring->ring_wptr = 0;
It is not needed
At last, try to put more details in the comment to let people know why we need
this PSP WPTR cache mechanism
Thanks
[AMD Official Use Only]
Reviewed-by: Emily Deng
>-Original Message-
>From: amd-gfx On Behalf Of Jingwen
>Chen
>Sent: Wednesday, May 26, 2021 2:55 PM
>To: amd-gfx@lists.freedesktop.org
>Cc: Chen, JingWen ; Zhao, Victor
>; Liu, Monk
>Subject: [PATCH] drm/amd/amdgpu:save psp ring wptr in
