** Description changed: - == SRU Justification == - Mainline commit 35b3fde6203b9 is a KVM patch for s390x to provide facility - bits 81 (ppa15) and 82 (bpb). This is required for branch prediction behaviour + Mainline commit 35b3fde6203b9 is a KVM patch for s390x to provide facility + bits 81 (ppa15) and 82 (bpb). This is required for branch prediction behaviour changes. This is the public bug for SRU. There is also a priave bug report: http://bugs.launchpad.net/bugs/1743560 There is a qemu portion to this fix: http://patchwork.ozlabs.org/cover/862801/ - == Fix == - commit 35b3fde6203b932b2b1a5b53b3d8808abc9c4f60 - Author: Christian Borntraeger <borntrae...@de.ibm.com> - Date: Wed Jan 17 14:44:34 2018 +0100 + == Fixes == + Artful/Bionic: + 35b3fde6203b ("KVM: s390: wire up bpb feature") - KVM: s390: wire up bpb feature + Xenial: + ed8dda0bf74b ("Enable all facility bits that are known good for passthrough") + 35b3fde6203b ("KVM: s390: wire up bpb feature") == Regression Potential == Low, this fix is limited to s390. == Test Case == A test kernel was built with this patch and tested by the original bug reporter. The bug reporter states the test kernel resolved the bug.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1747090 Title: KVM patches for s390x to provide facility bits 81 (ppa15) and 82 (bpb) Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: In Progress Status in linux source package in Artful: In Progress Status in linux source package in Bionic: In Progress Bug description: == SRU Justification == Mainline commit 35b3fde6203b9 is a KVM patch for s390x to provide facility bits 81 (ppa15) and 82 (bpb). This is required for branch prediction behaviour changes. This is the public bug for SRU. There is also a priave bug report: http://bugs.launchpad.net/bugs/1743560 There is a qemu portion to this fix: http://patchwork.ozlabs.org/cover/862801/ == Fixes == Artful/Bionic: 35b3fde6203b ("KVM: s390: wire up bpb feature") Xenial: ed8dda0bf74b ("Enable all facility bits that are known good for passthrough") 35b3fde6203b ("KVM: s390: wire up bpb feature") == Regression Potential == Low, this fix is limited to s390. == Test Case == A test kernel was built with this patch and tested by the original bug reporter. The bug reporter states the test kernel resolved the bug. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747090/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
