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From: | Mark Syms |
Subject: | Ensure the PV ring is drained on disconnect |
Date: | Wed, 29 Mar 2023 11:53:43 +0100 |
If the Xen PV guest VM sends a close whilst there is outstanding I/O being processed that IO needs to be completed and drained before unrealizing the rings or SEGVs will occurr when the I/O does complete and tries to update an already unmapped grant entry.
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