diff options
| author | Lang Yu <Lang.Yu@amd.com> | 2024-04-11 17:14:17 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-20 17:17:53 -0400 |
| commit | 2a705f3e49d20b59cd9e5cc3061b2d92ebe1e5f0 (patch) | |
| tree | ef84d91eef05e75c103c7f32eefd144b92343d70 /drivers/gpu | |
| parent | 5a5a10d9db77939a22e1d65fc0a4ba6b5d8f4fce (diff) | |
drm/amdkfd: handle duplicate BOs in reserve_bo_and_cond_vms
Observed on gfx8 ASIC where KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM is used.
Two attachments use the same VM, root PD would be locked twice.
[ 57.910418] Call Trace:
[ 57.793726] ? reserve_bo_and_cond_vms+0x111/0x1c0 [amdgpu]
[ 57.793820] amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu+0x6c/0x1c0 [amdgpu]
[ 57.793923] ? idr_get_next_ul+0xbe/0x100
[ 57.793933] kfd_process_device_free_bos+0x7e/0xf0 [amdgpu]
[ 57.794041] kfd_process_wq_release+0x2ae/0x3c0 [amdgpu]
[ 57.794141] ? process_scheduled_works+0x29c/0x580
[ 57.794147] process_scheduled_works+0x303/0x580
[ 57.794157] ? __pfx_worker_thread+0x10/0x10
[ 57.794160] worker_thread+0x1a2/0x370
[ 57.794165] ? __pfx_worker_thread+0x10/0x10
[ 57.794167] kthread+0x11b/0x150
[ 57.794172] ? __pfx_kthread+0x10/0x10
[ 57.794177] ret_from_fork+0x3d/0x60
[ 57.794181] ? __pfx_kthread+0x10/0x10
[ 57.794184] ret_from_fork_asm+0x1b/0x30
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index e4d4e55c08ad..0535b07987d9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1188,7 +1188,8 @@ static int reserve_bo_and_cond_vms(struct kgd_mem *mem, int ret; ctx->sync = &mem->sync; - drm_exec_init(&ctx->exec, DRM_EXEC_INTERRUPTIBLE_WAIT, 0); + drm_exec_init(&ctx->exec, DRM_EXEC_INTERRUPTIBLE_WAIT | + DRM_EXEC_IGNORE_DUPLICATES, 0); drm_exec_until_all_locked(&ctx->exec) { ctx->n_vms = 0; list_for_each_entry(entry, &mem->attachments, list) { |