Re: [PATCH v4 8/9] vhost_user: Add mem_read/write backend requests

2025-02-18 Thread Stefan Hajnoczi
On Mon, Feb 17, 2025 at 05:40:11PM +0100, Albert Esteve wrote: > With SHMEM_MAP messages, sharing descriptors between > devices will cause that these devices do not see the > mappings, and fail to access these memory regions. > > To solve this, introduce MEM_READ/WRITE requests > that will get tri

[PATCH v4 8/9] vhost_user: Add mem_read/write backend requests

2025-02-17 Thread Albert Esteve
With SHMEM_MAP messages, sharing descriptors between devices will cause that these devices do not see the mappings, and fail to access these memory regions. To solve this, introduce MEM_READ/WRITE requests that will get triggered as a fallback when vhost-user memory translation fails. MEM_READ/WR