On 4/9/2025 5:58 PM, Alexey Kardashevskiy wrote:
>
>
> On 7/4/25 17:49, Chenyi Qiang wrote:
>> Subsystems like VFIO previously disabled ram block discard and only
>> allowed coordinated discarding via RamDiscardManager. However,
>> guest_memfd in confidential VMs relies on discard operations f
On 7/4/25 17:49, Chenyi Qiang wrote:
Subsystems like VFIO previously disabled ram block discard and only
allowed coordinated discarding via RamDiscardManager. However,
guest_memfd in confidential VMs relies on discard operations for page
conversion between private and shared memory. This can l
Subsystems like VFIO previously disabled ram block discard and only
allowed coordinated discarding via RamDiscardManager. However,
guest_memfd in confidential VMs relies on discard operations for page
conversion between private and shared memory. This can lead to stale
IOMMU mapping issue when assi
