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This commit is contained in:
russellcnv
2026-01-22 14:46:29 -08:00
parent a3af2867b7
commit c273d84a8b
68 changed files with 160855 additions and 160151 deletions
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37
kernel-open/nvidia/nv-dmabuf.c
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@@ -253,7 +253,7 @@ nv_inc_and_check_one_phys_refcount(
return is_one;
}
// Must be called with RMAPI lock and GPU lock taken
// Must be called with RMAPI lock and all-GPU lock taken
static void
nv_dma_buf_undup_mem_handles_unlocked(
nvidia_stack_t *sp,
@@ -284,6 +284,28 @@ nv_dma_buf_undup_mem_handles_unlocked(
}
}
// Must be called with RMAPI lock taken
static void
nv_dma_buf_undup_mem_handles_gpus_locked(
nvidia_stack_t *sp,
NvU32 start_index,
NvU32 num_objects,
nv_dma_buf_file_private_t *priv
)
{
NV_STATUS status;
status = rm_acquire_all_gpus_lock(sp);
if (WARN_ON(status != NV_OK))
{
return;
}
nv_dma_buf_undup_mem_handles_unlocked(sp, start_index, num_objects, priv);
rm_release_all_gpus_lock(sp);
}
static void
nv_dma_buf_undup_mem_handles(
nvidia_stack_t *sp,
@@ -300,17 +322,8 @@ nv_dma_buf_undup_mem_handles(
return;
}
status = rm_acquire_all_gpus_lock(sp);
if (WARN_ON(status != NV_OK))
{
goto unlock_api_lock;
}
nv_dma_buf_undup_mem_handles_gpus_locked(sp, index, num_objects, priv);
nv_dma_buf_undup_mem_handles_unlocked(sp, index, num_objects, priv);
rm_release_all_gpus_lock(sp);
unlock_api_lock:
rm_release_api_lock(sp);
}
@@ -478,7 +491,7 @@ failed:
//
nv_dma_buf_release_gpu_lock(sp, priv);
nv_dma_buf_undup_mem_handles(sp, params->index, count, priv);
nv_dma_buf_undup_mem_handles_gpus_locked(sp, params->index, count, priv);
}
else
{