Re: [kvm-unit-tests PATCH v5 2/3] s390x: define UV compatible I/O allocation

Cornelia Huck
2021-01-27T10:52:35Z

On Fri, 22 Jan 2021 14:27:39 +0100
Pierre Morel <pmorel@linux.ibm.com> wrote:

> To centralize the memory allocation for I/O we define
> the alloc_io_mem/free_io_mem functions which share the I/O
> memory with the host in case the guest runs with
> protected virtualization.
>
> These functions allocate on a page integral granularity to
> ensure a dedicated sharing of the allocated objects.
>
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
> ---
> lib/s390x/malloc_io.c | 71 +++++++++++++++++++++++++++++++++++++++++++
> lib/s390x/malloc_io.h | 45 +++++++++++++++++++++++++++
> s390x/Makefile | 1 +
> 3 files changed, 117 insertions(+)
> create mode 100644 lib/s390x/malloc_io.c
> create mode 100644 lib/s390x/malloc_io.h

Reviewed-by: Cornelia Huck <cohuck@redhat.com>