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Add a new DRM_IOCTL_AMDGPU_PROC_OPTIONS ioctl with the AMDGPU_PROC_OPTIONS_OP_KFD_SIGBUS_DELAY option, allowing userspace (ROCr) to control per-process SIGBUS delivery. Userspace for this can be found at: https://github.com/ROCm/rocm-systems/pull/6190 Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>