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Accessing another device in a post_load hook is a bad idea, because the order of device save/restore is not fixed, and so this cross-device access makes the save/restore non-deterministic. We previously only flagged up this requirement in the record-and-replay developer docs; repeat it in the main migration documentation, where a developer trying to implement a post_load hook is more likely to see it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> |
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| .. | ||
| best-practices.rst | ||
| compatibility.rst | ||
| CPR.rst | ||
| dirty-limit.rst | ||
| features.rst | ||
| index.rst | ||
| main.rst | ||
| mapped-ram.rst | ||
| postcopy.rst | ||
| qatzip-compression.rst | ||
| qpl-compression.rst | ||
| uadk-compression.rst | ||
| vfio.rst | ||
| virtio.rst | ||