On 5/29/2024 16:07, Lancelot SIX wrote:
On 29/05/2024 20:35, Jay Cornwall wrote:
A wavefront may deallocate its VGPRs at the end of a program while
waiting for memory transactions to complete. If it subsequently
receives a context save exception it will be unable to save,
since this requires VGPRs. In this case the trap handler should
terminate the wavefront.
Fixes intermittent VM faults under context switching load.
V2: Use S_ENDPGM instead of S_ENDPGM_SAVED for performance counters
Hi Jay,
Thanks for the V2.
FYI,as far as I can see, the .h part of the patch does not seem to apply
directly on current amd-staging-drm-next, but I guess we just have a
different bases.
Sorry, it's parented to the commit below. This has been submitted but is
working its way through post-submit testing.
Thanks for the review.
commit d6449614e21cc166f888b3d5fc59cd1156ed7e7d
Author: Jay Cornwall <jay.cornwall@xxxxxxx>
Date: Thu May 23 09:00:28 2024 -0500
drm/amdkfd: gfx12 context save/restore trap handler fixes
