PCI ATS quirk patch needed for IDPF

[John Cabaj]

[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

[Joseph Salisbury (jsalisbury)]

The requested commit (a18615b1cfc0) has the following prerequisite commit:

f18b1137d38c ("PCI: Extract ATS disabling to a helper function")

[Joseph Salisbury (jsalisbury)]

Patches sent to mailing list:

Focal: https://lists.ubuntu.com/archives/kernel-team/2024-January/148463.html
Bionic: https://lists.ubuntu.com/archives/kernel-team/2024-January/148458.html

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-gcp/5.4.0-1125.134 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal-linux-gcp' to 'verification-done-focal-linux-gcp'. If the problem still exists, change the tag 'verification-needed-focal-linux-gcp' to 'verification-failed-focal-linux-gcp'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-gcp-4.15/4.15.0-1160.177 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-bionic-linux-gcp-4.15' to 'verification-done-bionic-linux-gcp-4.15'. If the problem still exists, change the tag 'verification-needed-bionic-linux-gcp-4.15' to 'verification-failed-bionic-linux-gcp-4.15'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-gcp - 5.4.0-1125.134

---------------
linux-gcp (5.4.0-1125.134) focal; urgency=medium

  * focal/linux-gcp: 5.4.0-1125.134 -proposed tracker (LP: #2055955)

  * PCI ATS quirk patch needed for IDPF (LP: #2049922)
    - PCI: Extract ATS disabling to a helper function
    - PCI: Disable ATS for specific Intel IPU E2000 devices

  [ Ubuntu: 5.4.0-174.193 ]

  * focal/linux: 5.4.0-174.193 -proposed tracker (LP: #2055978)
  * Packaging resync (LP: #1786013)
    - [Packaging] update annotations scripts
    - debian/dkms-versions -- update from kernel-versions (main/s2024.02.05)
  * CVE-2024-24855
    - scsi: lpfc: Fix a possible data race in lpfc_unregister_fcf_rescan()
  * CVE-2024-1086
    - netfilter: nf_tables: reject QUEUE/DROP verdict parameters
  * CVE-2023-23004
    - malidp: Fix NULL vs IS_ERR() checking
  * CVE-2023-23000
    - phy: tegra: xusb: Fix return value of tegra_xusb_find_port_node function

 -- John Cabaj <email address hidden> Mon, 11 Mar 2024 11:18:10 -0500

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-gcp-5.4/5.4.0-1125.134~18.04.1 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-bionic-linux-gcp-5.4' to 'verification-done-bionic-linux-gcp-5.4'. If the problem still exists, change the tag 'verification-needed-bionic-linux-gcp-5.4' to 'verification-failed-bionic-linux-gcp-5.4'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!