| Message ID | 79d35b3a-4f13-fd5b-91db-2805c999b36d@suse.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | IOMMU: adjustments after ""IOMMU: make DMA containment of quarantined devices optional"" | expand |
On 07/07/2021 14:22, Jan Beulich wrote: > This amends commit 980d6acf1517 ("IOMMU: make DMA containment of > quarantined devices optional"). > > Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Paul Durrant <paul@xen.org> > > --- a/CHANGELOG.md > +++ b/CHANGELOG.md > @@ -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](https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=RELEASE-4.15.0) - TBD > > ### Added / support upgraded >
--- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -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](https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=RELEASE-4.15.0) - TBD ### Added / support upgraded
This amends commit 980d6acf1517 ("IOMMU: make DMA containment of quarantined devices optional"). Signed-off-by: Jan Beulich <jbeulich@suse.com>