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>