diff options
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1129-drm-amdkfd-Don-t-report-invalid-event-data-on-VM-fau.patch')
-rw-r--r-- | meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1129-drm-amdkfd-Don-t-report-invalid-event-data-on-VM-fau.patch | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1129-drm-amdkfd-Don-t-report-invalid-event-data-on-VM-fau.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1129-drm-amdkfd-Don-t-report-invalid-event-data-on-VM-fau.patch deleted file mode 100644 index 35b30579..00000000 --- a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1129-drm-amdkfd-Don-t-report-invalid-event-data-on-VM-fau.patch +++ /dev/null @@ -1,63 +0,0 @@ -From 91fb6713d5387e9ed1f421a183442698df24d673 Mon Sep 17 00:00:00 2001 -From: shaoyunl <Shaoyun.Liu@amd.com> -Date: Fri, 1 Apr 2016 15:54:56 -0400 -Subject: [PATCH 1129/4131] drm/amdkfd: Don't report invalid event data on VM - fault - -KFD may get mulitple interrupt callback with different IH entry for the vm -fault since driver only disable the fault status and address updating when -handling the VM fault ISR. - -Ignore the IH entries that don't have correct address and status value. - -Set imprecise flag on events where the VMID of the fault info doesn't match -the IH ring entry. This can happen when several processes generate faults at -almost the same time. - -Change-Id: I25bd82dea4a9432cc68e02ad97d295c3d841dea4 -Signed-off-by: shaoyun liu <shaoyun.liu@amd.com> ---- - drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c | 4 ++++ - drivers/gpu/drm/amd/amdkfd/kfd_events.c | 2 ++ - 2 files changed, 6 insertions(+) - -diff --git a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c -index 02a9082..996b49e 100644 ---- a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c -+++ b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c -@@ -70,8 +70,12 @@ static void cik_event_interrupt_wq(struct kfd_dev *dev, - ihre->source_id == CIK_INTSRC_GFX_MEM_PROT_FAULT) { - struct kfd_vm_fault_info info; - -+ memset(&info, 0, sizeof(info)); - dev->kfd2kgd->get_vm_fault_info(dev->kgd, &info); - kfd_process_vm_fault(dev->dqm, ihre->pasid); -+ if (!info.page_addr && !info.status) -+ return; -+ - if (info.vmid == ihre->vmid) - kfd_signal_vm_fault_event(dev, ihre->pasid, &info); - else -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c -index 23b5936..eb51873 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c -@@ -1105,6 +1105,7 @@ void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, - return; /* Presumably process exited. */ - memset(&memory_exception_data, 0, sizeof(memory_exception_data)); - memory_exception_data.gpu_id = dev->id; -+ memory_exception_data.failure.imprecise = true; - /* Set failure reason */ - if (info) { - memory_exception_data.va = (info->page_addr) << PAGE_SHIFT; -@@ -1114,6 +1115,7 @@ void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, - info->prot_exec ? true : false; - memory_exception_data.failure.ReadOnly = - info->prot_write ? true : false; -+ memory_exception_data.failure.imprecise = false; - } - mutex_lock(&p->event_mutex); - --- -2.7.4 - |