Commit 1d3250f8 authored by Jan Beulich's avatar Jan Beulich

CHANGELOG: record changed PCI device quarantining default

This amends commit 980d6acf ("IOMMU: make DMA containment of
quarantined devices optional").
Signed-off-by: default avatarJan Beulich <>
Reviewed-by: default avatarPaul Durrant <>
parent ec6e5635
......@@ -10,6 +10,13 @@ The format is based on [Keep a Changelog](
- XENSTORED_ROOTDIR environment variable from configuartion files and
initscripts, due to being unused.
### Changed
- Quarantining of passed-through PCI devices no longer defaults to directing I/O to a scratch
page, matching original post-XSA-302 behavior (albeit the change was also backported, first
appearing in 4.12.2 and 4.11.4). Prior (4.13...4.15-like) behavior can be arranged for
either by enabling the IOMMU_QUARANTINE_SCRATCH_PAGE setting at build (configuration) time
or by passing "iommu=quarantine=scratch-page" on the hypervisor command line.
## [4.15.0 UNRELEASED](;a=shortlog;h=RELEASE-4.15.0) - TBD
### Added / support upgraded
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