On Thu, May 26, 2022 at 12:40 PM Simon Ser wrote:
> To discover support for new DMA-BUF IOCTLs, user-space has no
> choice but to try to perform the IOCTL on an existing DMA-BUF.
> However, user-space may want to figure out whether or not the
> IOCTL is available before it has a DMA-BUF at hand,
On Thursday, May 26th, 2022 at 19:40, Simon Ser wrote:
> diff --git a/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers
> b/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers
> index 5d3bc997dc64..682d313689d8 100644
> --- a/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers
> +++ b/Do
To discover support for new DMA-BUF IOCTLs, user-space has no
choice but to try to perform the IOCTL on an existing DMA-BUF.
However, user-space may want to figure out whether or not the
IOCTL is available before it has a DMA-BUF at hand, e.g. at
initialization time in a Wayland compositor.
Add a