Re: [PATCH] hostmem/shm: Allow shm memory backend serve as shared memory for coco-VMs

[Peter Xu <peterx@redhat.com>]

On Fri, Oct 24, 2025 at 08:51:35AM +0800, Xiaoyao Li wrote:
> On 9/12/2025 1:45 PM, Xiaoyao Li wrote:
> > On 8/14/2025 5:45 PM, Xiaoyao Li wrote:
> > > On 7/21/2025 2:52 PM, Xiaoyao Li wrote:
> > > > shm can surely serve as the shared memory for coco-VMs. But currently it
> > > > doesn't check the backend->guest_memfd to pass down the RAM_GUEST_MEMFD
> > > > flag. It leads to failure when creating coco-VMs (e.g., TDX guest) which
> > > > require private mmeory.
> > > > 
> > > > Set and pass down RAM_GUEST_MEMFD when backend->guest_memfd is true, to
> > > > allow shm memory backend serve as shared memory for coco-VMs.
> > > 
> > > ping...
> > > 
> > > Paolo, will you merge it for QEMU 10.1? I think it's worth it.
> > 
> > ping again.
> 
> ping++,
> 
> + Peter,
> 
> Maybe you can queue it in case it gets missed from Paolo again?

Yep, queued now and I copied stable, let me know otherwise.  Thanks.

-- 
Peter Xu