As mentioned in #1742995, one patch is incomplete and doesn't expose the appropriate CPUID for KVM hosts when running on Intel hardware. 8339cae23d79be97a38df3852ef5dab870806a58 should add speculative control CPUID support for guests. The patch looks truncated as it defines KVM_CPUID_BIT_SPEC_CTRL but doesn't use it. I am using this patch instead: https://github.com/exoscale/pkg- kernel-4.4/blob/xenial/debian/patches/ibrs%2Bkvm/0002-kvm-x86-add- speculative-control-cpuid-support-for-guests.patch. The additional bits compared to the patch from SuSE (https://github.com/openSUSE/kernel- source/blob/SLE12-SP3/patches.suse/27-kvm-x86-add-speculative-control- cpuid-support-for-guests.patch) are needed because this is the first time a CPUID 7.0 feature is exposed on EDX.
-- 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/1743362 Title: linux: 4.4.0-111.134 -proposed tracker Status in Kernel SRU Workflow: In Progress Status in Kernel SRU Workflow automated-testing series: Confirmed Status in Kernel SRU Workflow certification-testing series: Invalid Status in Kernel SRU Workflow prepare-package series: Fix Released Status in Kernel SRU Workflow prepare-package-meta series: Fix Released Status in Kernel SRU Workflow prepare-package-signed series: Fix Released Status in Kernel SRU Workflow promote-to-proposed series: Fix Released Status in Kernel SRU Workflow promote-to-security series: New Status in Kernel SRU Workflow promote-to-updates series: New Status in Kernel SRU Workflow regression-testing series: Fix Released Status in Kernel SRU Workflow security-signoff series: Fix Released Status in Kernel SRU Workflow snap-certification-testing series: Fix Released Status in Kernel SRU Workflow snap-release-to-beta series: Fix Released Status in Kernel SRU Workflow snap-release-to-candidate series: Fix Released Status in Kernel SRU Workflow snap-release-to-edge series: Fix Released Status in Kernel SRU Workflow snap-release-to-stable series: New Status in Kernel SRU Workflow upload-to-ppa series: Invalid Status in Kernel SRU Workflow verification-testing series: Invalid Status in linux package in Ubuntu: Invalid Status in linux source package in Xenial: Confirmed Bug description: This bug is for tracking the <version to be filled> upload package. This bug will contain status and testing results related to that upload. For an explanation of the tasks and the associated workflow see: https://wiki.ubuntu.com/Kernel/kernel-sru-workflow backports: 1743363,1743364 derivatives: 1743365,1743367,1743368,1743369,1743370,1743371 -- swm properties -- boot-testing-requested: true phase: Promoted to proposed proposed-announcement-sent: true proposed-testing-requested: true To manage notifications about this bug go to: https://bugs.launchpad.net/kernel-sru-workflow/+bug/1743362/+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
