** Also affects: linux-gcp-4.15 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-gcp-4.15 (Ubuntu Bionic)
Status: New => Fix Committed
** Changed in: linux-gcp-4.15 (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux-gcp-4.15 (Ubuntu Bionic)
Importance: Undecided => Medium
** No longer affects: linux-gcp-4.15 (Ubuntu Focal)
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Packages, which is subscribed to linux-gcp in Ubuntu.
https://bugs.launchpad.net/bugs/2049922
Title:
PCI ATS quirk patch needed for IDPF
Status in linux-gcp package in Ubuntu:
New
Status in linux-gcp-4.15 package in Ubuntu:
New
Status in linux-gcp source package in Bionic:
In Progress
Status in linux-gcp-4.15 source package in Bionic:
Fix Committed
Status in linux-gcp source package in Focal:
In Progress
Bug description:
[Impact]
* Request from Google to include Intel patches for IDPF support if used from
out-of-tree module to prevent system instability.
[Fixes]
f18b1137d38c ("PCI: Extract ATS disabling to a helper function")
a18615b1cfc0 ("PCI: Disable ATS for specific Intel IPU E2000 devices")
[Test Case]
* Compile test
* Boot test
* Test on non-IDPF instance
* Tested by Google
[Where things could go wrong]
* Low chance of regression, changes very isolated
[Other Info]
* SF #00376470
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