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/gem5/src/dev/virtio/ | ||
H A D | fs9p.hh | diff 11204:7a9eeecf2b52 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 D | fs9p.cc | diff 11204:7a9eeecf2b52 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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