** No longer affects: linux-gcp (Ubuntu Plucky) ** Description changed:
SRU Justification [Impact] - Google has requested a backport of the following patchset: - https://lore.kernel.org/all/20250228014416.3925664-1-vannapu...@google.com/ + Google has requested a backport of the following commits: + 22cc5ca5de52 ("x86/paravirt: Move halt paravirt calls under CONFIG_PARAVIRT") + 9f98a4f4e721 ("x86/tdx: Fix arch_safe_halt() execution for TDX VMs") Targets include 6.8 onwards. [Fix] - Backport the three patches in that patchset, as needed, to noble:linux-gcp, oracular:linux-gcp, and plucky:linux-gcp. + Backport the patches as needed to noble:linux-gcp and later kernels. [Test plan] Compile and boot test. Verification on Google's side is optional as this is a fairly isolated backport. [Where problems could occur] This fix affects TDX guest VMs which call the HLT instruction. An issue with this fix would be visible to the user as unexpected #VEs (virtualization exceptions) or unexpected interrupt behavior in their TDX guest VM. [Other] SF #00412211 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-gcp in Ubuntu. https://bugs.launchpad.net/bugs/2112602 Title: Fix HLT logic execution for TDX VMs Status in linux-gcp package in Ubuntu: New Status in linux-gcp source package in Noble: New Status in linux-gcp source package in Oracular: New Bug description: SRU Justification [Impact] Google has requested a backport of the following commits: 22cc5ca5de52 ("x86/paravirt: Move halt paravirt calls under CONFIG_PARAVIRT") 9f98a4f4e721 ("x86/tdx: Fix arch_safe_halt() execution for TDX VMs") Targets include 6.8 onwards. [Fix] Backport the patches as needed to noble:linux-gcp and later kernels. [Test plan] Compile and boot test. Verification on Google's side is optional as this is a fairly isolated backport. [Where problems could occur] This fix affects TDX guest VMs which call the HLT instruction. An issue with this fix would be visible to the user as unexpected #VEs (virtualization exceptions) or unexpected interrupt behavior in their TDX guest VM. [Other] SF #00412211 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-gcp/+bug/2112602/+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
