[PATCH 14/34] drm/amdkfd: add ioctl to configure and query xnack retries

2021-04-14 Thread Felix Kuehling
From: Alex Sierra Xnack retries are used for page fault recovery. Some AMD chip families support continuously retry while page table entries are invalid. The driver must handle the page fault interrupt and fill in a valid entry for the GPU to continue. This ioctl allows to enable/disable XNACK r

[PATCH 14/34] drm/amdkfd: add ioctl to configure and query xnack retries

2021-04-05 Thread Felix Kuehling
From: Alex Sierra Xnack retries are used for page fault recovery. Some AMD chip families support continuously retry while page table entries are invalid. The driver must handle the page fault interrupt and fill in a valid entry for the GPU to continue. This ioctl allows to enable/disable XNACK r