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SubjectRe: [PATCH] drm/virtio: Use vmalloc for command buffer allocations.
  Hi,

> {
> if (vbuf->resp_size > MAX_INLINE_RESP_SIZE)
> kfree(vbuf->resp_buf);
> - kfree(vbuf->data_buf);
> + kvfree(vbuf->data_buf);

if (is_vmalloc_addr(vbuf->data_buf)) ...

needed here I gues?

> +/* Create sg_table from a vmalloc'd buffer. */
> +static struct sg_table *vmalloc_to_sgt(char *data, uint32_t size)

Hmm, isn't there an existing function for that?
I'd be surprised if virtio-gpu is the first driver needing this ...

And it case there really isn't one this should probably added to the
vmalloc or scatterlist code, not the virtio-gpu driver.

cheers,
Gerd

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