Philip Yang 098ce2acb4 libhsakmt: register and deregister userptr in parallel ...

For userptr, after taking aperture lock, decrease registration_count and
ensure object registration_count equal to 0 to release KFD and thunk
object.

Move decrementing of registration count from fmm_deregister_memory into
__fmm_release to avoid a race condition when dropping the aperture lock
in fmm_deregister_memory.

Change-Id: I5381fa6b8a77a1516af2554e5174e91969c338c4
Signed-off-by: Philip Yang <Philip.Yang@amd.com>


[ROCm/ROCR-Runtime commit: f82927ad65]

2021-10-01 15:56:38 -04:00

projects/rocr-runtime

libhsakmt: register and deregister userptr in parallel

2021-10-01 15:56:38 -04:00

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