On 4/7/2025 3:49 PM, Chenyi Qiang wrote:
In-place page conversion requires operations to follow a specific
sequence: unmap-before-conversion-to-private and
map-after-conversion-to-shared. Currently, both attribute changes and
VFIO DMA map/unmap operations are handled by PrivateSharedListeners,
th
On 4/7/2025 3:49 PM, Chenyi Qiang wrote:
With the introduction of the RamBlockAttribute object to manage
RAMBlocks with guest_memfd and the implementation of
PrivateSharedManager interface to convey page conversion events, it is
more elegant to move attribute changes into a PrivateSharedListener.
On 4/27/2025 10:26 AM, Chenyi Qiang wrote:
Hi David,
Any thought on patch 10-12, which is to move the change attribute into a
priority listener. A problem is how to handle the error handling of
private_to_shared failure. Previously, we thought it would never be able
to fail, but right now, it is
On 4/7/25 15:49, Chenyi Qiang wrote:
Commit 852f0048f3 ("RAMBlock: make guest_memfd require uncoordinated
discard") highlighted that subsystems like VFIO may disable RAM block
discard. However, guest_memfd relies on discard operations for page
conversion between private and shared memory, potenti
