On 22/01/2021 14.27, Pierre Morel 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
Acked-by: Thomas Huth <thuth@xxxxxxxxxx>
