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

Pierre Morel
2021-01-22T15:45:21Z

On 1/22/21 3:12 PM, Thomas Huth wrote:
> 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@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
>
> Acked-by: Thomas Huth <thuth@redhat.com>
>

Thanks,
Pierre

--
Pierre Morel
IBM Lab Boeblingen