[ubuntu/xenial-proposed] linux 4.4.0-115.139 (Accepted)

[Łukasz Zemczak]

linux (4.4.0-115.139) xenial; urgency=medium

  * linux: 4.4.0-115.138 -proposed tracker (LP: #1748745)

  * CVE-2017-5715 (Spectre v2 Intel)
    - Revert "UBUNTU: SAUCE: turn off IBPB when full retpoline is present"
    - SAUCE: turn off IBRS when full retpoline is present
    - [Packaging] retpoline files must be sorted
    - [Packaging] pull in retpoline files

linux (4.4.0-114.137) xenial; urgency=medium

  * linux: 4.4.0-114.137 -proposed tracker (LP: #1748484)

  * ALSA backport missing NVIDIA GPU codec IDs to patch table to
    Ubuntu 16.04 LTS Kernel (LP: #1744117)
    - ALSA: hda - Add missing NVIDIA GPU codec IDs to patch table

  * Shutdown hang on 16.04 with iscsi targets (LP: #1569925)
    - scsi: libiscsi: Allow sd_shutdown on bad transport

  * libata: apply MAX_SEC_1024 to all LITEON EP1 series devices (LP: #1743053)
    - libata: apply MAX_SEC_1024 to all LITEON EP1 series devices

  * KVM patches for s390x to provide facility bits 81 (ppa15) and 82 (bpb)
    (LP: #1747090)
    - KVM: s390: wire up bpb feature
    - KVM: s390: Enable all facility bits that are known good for passthrough

  * CVE-2017-5715 (Spectre v2 Intel)
    - SAUCE: drop lingering gmb() macro
    - x86/feature: Enable the x86 feature to control Speculation
    - x86/feature: Report presence of IBPB and IBRS control
    - x86/enter: MACROS to set/clear IBRS and set IBPB
    - x86/enter: Use IBRS on syscall and interrupts
    - x86/idle: Disable IBRS entering idle and enable it on wakeup
    - x86/idle: Disable IBRS when offlining cpu and re-enable on wakeup
    - x86/mm: Set IBPB upon context switch
    - x86/mm: Only set IBPB when the new thread cannot ptrace current thread
    - x86/kvm: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD to kvm
    - x86/kvm: Set IBPB when switching VM
    - x86/kvm: Toggle IBRS on VM entry and exit
    - x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature
    - x86/spec_ctrl: Add lock to serialize changes to ibrs and ibpb control
    - x86/cpu/amd, kvm: Satisfy guest kernel reads of IC_CFG MSR
    - x86/cpu/AMD: Add speculative control support for AMD
    - x86/microcode: Extend post microcode reload to support IBPB feature
    - KVM: SVM: Do not intercept new speculative control MSRs
    - x86/svm: Set IBRS value on VM entry and exit
    - x86/svm: Set IBPB when running a different VCPU
    - KVM: x86: Add speculative control CPUID support for guests
    - SAUCE: Fix spec_ctrl support in KVM
    - SAUCE: turn off IBPB when full retpoline is present

Date: 2018-02-11 15:19:13.789259+00:00
Changed-By: Andy Whitcroft <apw at canonical.com>
Signed-By: Łukasz Zemczak <lukasz.zemczak at canonical.com>
https://launchpad.net/ubuntu/+source/linux/4.4.0-115.139
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