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| author | shaoyunl | 2018-07-12 04:32:50 +0200 |
|---|---|---|
| committer | Oded Gabbay | 2018-07-12 04:32:50 +0200 |
| commit | 2640c3facbd6e21e63c95f19588cc24913a263cd (patch) | |
| tree | 83f2a6b4c5dad57c915747af31466d6fdc759956 /include/uapi/linux/kfd_ioctl.h | |
| parent | drm/amdgpu: save vm fault information for amdkfd (diff) | |
| download | kernel-qcow2-linux-2640c3facbd6e21e63c95f19588cc24913a263cd.tar.gz kernel-qcow2-linux-2640c3facbd6e21e63c95f19588cc24913a263cd.tar.xz kernel-qcow2-linux-2640c3facbd6e21e63c95f19588cc24913a263cd.zip | |
drm/amdkfd: Handle VM faults in KFD
1. Pre-GFX9 the amdgpu ISR saves the vm-fault status and address per
per-vmid. amdkfd needs to get the information from amdgpu through the
new get_vm_fault_info interface. On GFX9 and later, all the required
information is in the IH ring
2. amdkfd unmaps all queues from the faulting process and create new
run-list without the guilty process
3. amdkfd notifies the runtime of the vm fault trap via EVENT_TYPE_MEMORY
Signed-off-by: shaoyun liu <shaoyun.liu@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'include/uapi/linux/kfd_ioctl.h')
| -rw-r--r-- | include/uapi/linux/kfd_ioctl.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index b4f5073dbac2..46a54ab1e728 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -219,7 +219,7 @@ struct kfd_memory_exception_failure { __u32 NotPresent; /* Page not present or supervisor privilege */ __u32 ReadOnly; /* Write access to a read-only page */ __u32 NoExecute; /* Execute access to a page marked NX */ - __u32 pad; + __u32 imprecise; /* Can't determine the exact fault address */ }; /* memory exception data*/ |