On Thu, 29 Aug 2019 14:52:06 +0100
Stefan Hajnoczi <> wrote:
> Describe how shared memory region ID 0 is the DAX window and how
> FUSE_SETUPMAPPING maps file ranges into the window.
>
> Signed-off-by: Stefan Hajnoczi <>
> ---
> The FUSE_SETUPMAPPING message is part of the virtio-fs Linux patches:
> https://gitlab.com/virtio-fs/linux/blob/virtio-fs/include/uapi/linux/fuse.h
>
> v8:
> * Make language about using both FUSE_READ/FUSE_WRITE and the DAX
> Window clearer [Cornelia]
> v7:
> * Clarify that the DAX Window is optional and can be used together with
> FUSE_READ/FUSE_WRITE requests [Cornelia]
> v6:
> * Document timing side-channel attacks [Michael]
> ---
> virtio-fs.tex | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 66 insertions(+)
Reviewed-by: Cornelia Huck <>