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/gem5/src/dev/virtio/
H A Dfs9p.hh11204:7a9eeecf2b52 Thu Nov 05 04:40:00 EST 2015 Sascha Bischoff <sascha.bischoff@ARM.com> dev: Add basic checkpoint support to VirtIO9PProxy device

This patch adds very basic checkpoint support for the VirtIO9PProxy
device. Previously, attempts to checkpoint gem5 with a present 9P
device caused gem5 to fatal as none of the state is tracked. We still
do not track any state, but we replace the fatal with a warning which
is triggered if the device has been used by the guest system. In the
event that it has not been used, we assume that no state is lost
during checkpointing. The warning is triggered on both a serialize and
an unserialize to ensure maximum visibility for the user.
H A Dfs9p.cc11204:7a9eeecf2b52 Thu Nov 05 04:40:00 EST 2015 Sascha Bischoff <sascha.bischoff@ARM.com> dev: Add basic checkpoint support to VirtIO9PProxy device

This patch adds very basic checkpoint support for the VirtIO9PProxy
device. Previously, attempts to checkpoint gem5 with a present 9P
device caused gem5 to fatal as none of the state is tracked. We still
do not track any state, but we replace the fatal with a warning which
is triggered if the device has been used by the guest system. In the
event that it has not been used, we assume that no state is lost
during checkpointing. The warning is triggered on both a serialize and
an unserialize to ensure maximum visibility for the user.

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