Hi Dave,
On 18 July 2017 at 04:52, Dave Airlie <airlied@xxxxxxxxx> wrote:
> +int amdgpu_cs_submit_raw(amdgpu_device_handle dev,
> + amdgpu_context_handle context,
> + amdgpu_bo_list_handle bo_list_handle,
> + int num_chunks,
> + struct drm_amdgpu_cs_chunk *chunks,
> + uint64_t *seq_no)
> +{
> + union drm_amdgpu_cs cs = {0};
> + uint64_t *chunk_array;
> + int i, r;
> + if (num_chunks == 0)
> + return -EINVAL;
> +
> + chunk_array = alloca(sizeof(uint64_t) * num_chunks);
Out of curiosity:
Does malloc/free produce noticeable overhead that lead you you alloca?
num_chunks is signed - should we bail on negative values, can we make
it unsigned?
Thanks
Emil
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