Hi Juergen, Sorry for the formatting.
On Thu, 14 Jun 2018, 07:40 Juergen Gross, <jgr...@suse.com> wrote: > On 13/06/18 18:25, Andrew Cooper wrote: > > On 13/06/18 16:27, Juergen Gross wrote: > > Looking more into the privcmd driver I'm rather sure now I can solve > this via mmap() plus an ioctl(). So the kernel would allocate the > bounce buffers and map them into user space. This will require changes > only in libxencall without having to modify its external interface. > It looks like David Vrabel sent in 2016 a patch implementing that solution [1]. It seems it has not been merged. Do you have any insight why it was not merged? Cheers, [1] https://lists.xenproject.org/archives/html/xen-devel/2016-08/msg00743.html
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