git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-18 11:33:36 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: use GFP_NOWAIT for memory allocations

Browse Source 
In the critical submission path memory allocations can't wait for
reclaim since that can potentially wait for submissions to finish.

Finally clean that up and mark most memory allocations in the critical
path with GFP_NOWAIT. The only exception left is the dma_fence_array()
used when no VMID is available, but that will be cleaned up later on.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2025-01-15 15:10:13 +01:00
committed by Alex Deucher
parent a67f0094c9
commit 16590745b5
6 changed files with 32 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
View File

@@ -491,7 +491,7 @@ static int vm_update_pds(struct amdgpu_vm *vm, struct amdgpu_sync *sync)
if (ret)
return ret;
return amdgpu_sync_fence(sync, vm->last_update);
return amdgpu_sync_fence(sync, vm->last_update, GFP_KERNEL);
}
static uint64_t get_pte_flags(struct amdgpu_device *adev, struct kgd_mem *mem)
@@ -1249,7 +1249,7 @@ static int unmap_bo_from_gpuvm(struct kgd_mem *mem,
(void)amdgpu_vm_clear_freed(adev, vm, &bo_va->last_pt_update);
(void)amdgpu_sync_fence(sync, bo_va->last_pt_update);
(void)amdgpu_sync_fence(sync, bo_va->last_pt_update, GFP_KERNEL);
return 0;
}
@@ -1273,7 +1273,7 @@ static int update_gpuvm_pte(struct kgd_mem *mem,
return ret;
}
return amdgpu_sync_fence(sync, bo_va->last_pt_update);
return amdgpu_sync_fence(sync, bo_va->last_pt_update, GFP_KERNEL);
}
static int map_bo_to_gpuvm(struct kgd_mem *mem,
@@ -2913,7 +2913,7 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence __rcu *
}
dma_resv_for_each_fence(&cursor, bo->tbo.base.resv,
DMA_RESV_USAGE_KERNEL, fence) {
ret = amdgpu_sync_fence(&sync_obj, fence);
ret = amdgpu_sync_fence(&sync_obj, fence, GFP_KERNEL);
if (ret) {
pr_debug("Memory eviction: Sync BO fence failed. Try again\n");
goto validate_map_fail;