Found && fixed. https://git.launchpad.net/~p-pisati/ubuntu/+source/linux/log/?h=artful- master-next-arm64-kpti-414-backport
I pushed two fixes on top of it: 1) 'syscalls: Use CHECK_DATA_CORRUPTION for addr_limit_user_check' fixes a FTBFS for armhf 2) 'arm64: mm: fix thinko in non-global page table attribute check' fixes this kvm boot race We probably need to test it again on all arm64 boards now... -- 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/1749040 Title: KPTI support for arm64 systems Status in linux package in Ubuntu: Incomplete Status in linux source package in Artful: In Progress Status in linux source package in Bionic: Incomplete Bug description: While regression testing the current linux-hwe proposed kernel (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium ThunderX CRB. I've rebooted twice since upgrading from the current -updates kernel, and it's failed to boot both times, with different failure modes. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+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
