After VM requests for channel offers during boot or resume from hibernation, host offers the available channels and then sends a separate message when all offers are delivered. Wait for this message to make this offers request and receipt process synchronous. This is to support user mode (VTL0) in OpenHCL (A Linux based paravisor for Confidential VMs) to ensure that all channel offers are present when init begins in VTL0, and it knows which channels the host has offered and which it has not. This is in analogy to a PCI bus not returning from probe until it has scanned all devices on the bus. As part of this implementation, some code cleanup is also done for the logic which becomes redundant due to this change. Second patch prints the channels which are not offered when resume happens from hibernation to supply more information to the end user. John Starks (1): Drivers: hv: vmbus: Log on missing offers Naman Jain (1): Drivers: hv: vmbus: Wait for offers during boot drivers/hv/channel_mgmt.c | 38 +++++++++++++++++++++++--------------- drivers/hv/connection.c | 4 ++-- drivers/hv/hyperv_vmbus.h | 14 +++----------- drivers/hv/vmbus_drv.c | 30 +++++++++++++++--------------- 4 files changed, 43 insertions(+), 43 deletions(-) -- 2.34.1
