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

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On Fri, 22 Jan 2021 14:27:39 +0100
Pierre Morel <pmorel@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx>
> ---
>  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@xxxxxxxxxx>




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