Re: [RFC 10/26] subprojects/vm-memory: Patch vm-memory for QEMU memory backend

[Paolo Bonzini <pbonzini@redhat.com>]

On 8/7/25 14:30, Zhao Liu wrote:
> Add 2 patches to support QEMU memory backend implementation.
> 
> Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
> ---
>   .../packagefiles/vm-memory-0.16-rs/0001.diff  |  81 +++++++++++++
>   .../packagefiles/vm-memory-0.16-rs/0002.diff  | 111 ++++++++++++++++++
>   subprojects/vm-memory-0.16-rs.wrap            |   2 +
>   3 files changed, 194 insertions(+)
>   create mode 100644 subprojects/packagefiles/vm-memory-0.16-rs/0001.diff
>   create mode 100644 subprojects/packagefiles/vm-memory-0.16-rs/0002.diff
> 
> diff --git a/subprojects/packagefiles/vm-memory-0.16-rs/0001.diff b/subprojects/packagefiles/vm-memory-0.16-rs/0001.diff
> new file mode 100644
> index 000000000000..037193108d45
> --- /dev/null
> +++ b/subprojects/packagefiles/vm-memory-0.16-rs/0001.diff
> @@ -0,0 +1,81 @@
> +From 298f8ba019b2fe159fa943e0ae4dfd3c83ee64e0 Mon Sep 17 00:00:00 2001
> +From: Zhao Liu <zhao1.liu@intel.com>
> +Date: Wed, 6 Aug 2025 11:31:11 +0800
> +Subject: [PATCH 1/2] guest_memory: Add a marker tarit to implement
> + Bytes<GuestAddress> for GuestMemory

This was a bit surprising.  Maybe this is something where GuestMemory 
needs some extra flexibility.

> @@ -0,0 +1,111 @@
> +From 2af7ea12a589fde619690e5060c01710cb6f2e0e Mon Sep 17 00:00:00 2001
> +From: Zhao Liu <zhao1.liu@intel.com>
> +Date: Wed, 6 Aug 2025 14:27:14 +0800
> +Subject: [PATCH 2/2] guest_memory: Add is_write argument for
> + GuestMemory::try_access()

This should be fine.  But Hanna is also working on IOMMU so maybe this 
won't be needed!

Paolo