Re: [PATCH v1 02/12] vhost: Return number of free memslots

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On 27.10.21 15:36, Philippe Mathieu-Daudé wrote:
> On 10/27/21 14:45, David Hildenbrand wrote:
>> Let's return the number of free slots instead of only checking if there
>> is a free slot. Required to support memory devices that consume multiple
>> memslots.
>>
>> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
>> ---
>>  hw/mem/memory-device.c    | 2 +-
>>  hw/virtio/vhost-stub.c    | 2 +-
>>  hw/virtio/vhost.c         | 4 ++--
>>  include/hw/virtio/vhost.h | 2 +-
>>  4 files changed, 5 insertions(+), 5 deletions(-)
> 
>> --- a/hw/virtio/vhost-stub.c
>> +++ b/hw/virtio/vhost-stub.c
>> @@ -2,7 +2,7 @@
>>  #include "hw/virtio/vhost.h"
>>  #include "hw/virtio/vhost-user.h"
>>  
>> -bool vhost_has_free_slot(void)
>> +unsigned int vhost_get_free_memslots(void)
>>  {
>>      return true;
> 
>        return 0;

Oh wait, no. This actually has to be

"return ~0U;" (see real vhost_get_free_memslots())

... because there is no vhost and consequently no limit applies.

-- 
Thanks,

David / dhildenb




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