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[Bug 1400411] Re: Feature: cpuidle: Enable fastsleep and winkle in ubuntu 14.04.02 kernel

 

This bug was fixed in the package linux - 3.16.0-31.41

---------------
linux (3.16.0-31.41) utopic; urgency=low

  [ Seth Forshee ]

  * Release Tracking Bug
    - LP: #1419961

  [ Andy Whitcroft ]

  * [Debian] arm64 -- build ubuntu drivers
    - LP: #1411284
  * hyper-v -- fix comment handing in /etc/network/interfaces
    - LP: #1413020

  [ Ben Hutchings ]

  * SAUCE: rtsx_usb_ms: Use msleep_interruptible() in polling loop
    - LP: #1413149

  [ Brad Figg ]

  * SAUCE: Config IWLWIFI_UAPSD=N

  [ Kamal Mostafa ]

  * [Packaging] force "dpkg-source -I -i" behavior

  [ Kukjin Kim ]

  * SAUCE: (no-up) ARM: SAMSUNG: fix the CPU_ID for EXYNOS5440
    - LP: #1411062

  [ Leann Ogasawara ]

  * ubuntu: AUFS -- Resolve build failure union has no member named
    'd_child'

  [ Ming Lei ]

  * SAUCE: (no-up) ARM: EXYNOS: fix booting oops on exynos5440
    - LP: #1411062
  * SAUCE: (no-up) ARM: exynos5440-sd5v1: switch to fixed-link DT binding
    - LP: #1417339
  * SAUCE: (no-up) net: stmmac: add fixed_phy support via fixed-link DT
    binding
    - LP: #1417339

  [ Upstream Kernel Changes ]

  * Revert "[SCSI] mpt2sas: Remove phys on topology change."
    - LP: #1419125
  * Revert "[SCSI] mpt3sas: Remove phys on topology change"
    - LP: #1419125
  * Revert "ARM: 7830/1: delay: don't bother reporting bogomips in
    /proc/cpuinfo"
    - LP: #1419125
  * powerpc/powernv: Don't call generic code on offline cpus
    - LP: #1400411
  * powerpc/powernv: Return to cpu offline loop when finished in KVM guest
    - LP: #1400411
  * powerpc/powernv: Switch off MMU before entering nap/sleep/rvwinkle mode
    - LP: #1400411
  * powerpc/powernv: Enable Offline CPUs to enter deep idle states
    - LP: #1400411
  * powernv/cpuidle: Redesign idle states management
    - LP: #1400411
  * powernv/powerpc: Add winkle support for offline cpus
    - LP: #1400411
  * powerpc/kdump: Ignore failure in enabling big endian exception during
    crash
    - LP: #1410817
  * powerpc/perf/hv-24x7: Use kmem_cache_free
    - LP: #1410519
  * powerpc/perf/hv-24x7: use kmem_cache instead of aligned stack
    allocations
    - LP: #1410519
  * powerpc/perf/hv-24x7: Use per-cpu page buffer
    - LP: #1410519
  * power/perf/hv-24x7: Use kmem_cache_free() instead of kfree
    - LP: #1410519
  * KVM: x86: SYSENTER emulation is broken
    - LP: #1414651
    - CVE-2015-0239
  * powerpc/xmon: Fix another endiannes issue in RTAS call from xmon
    - LP: #1415919
  * HID: i2c-hid: call the hid driver's suspend and resume callbacks
    - LP: #1417363
  * HID: i2c-hid: Do not free buffers in i2c_hid_stop()
    - LP: #1417363
  * ALSA: hda - add mic mute led hook for dell machines
    - LP: #1418832
  * ALSA: hda - move DELL_WMI_MIC_MUTE_LED to the tail in the quirk chain
    - LP: #1381856, #1418832
  * ALSA: hda - fix the mic mute led problem for Latitude E5550
    - LP: #1381856, #1418832
  * drm/i915: don't warn if backlight unexpectedly enabled
    - LP: #1419125
  * drm/i915/dp: only use training pattern 3 on platforms that support it
    - LP: #1419125
  * udptunnel: Add SKB_GSO_UDP_TUNNEL during gro_complete.
    - LP: #1419125
  * s390/3215: fix hanging console issue
    - LP: #1419125
  * s390/3215: fix tty output containing tabs
    - LP: #1419125
  * btrfs: don't go readonly on existing qgroup items
    - LP: #1419125
  * regulator: anatop: Set default voltage selector for vddpu
    - LP: #1419125
  * KVM: s390: Fix size of monitor-class number field
    - LP: #1419125
  * [media] smiapp: Take mutex during PLL update in sensor initialisation
    - LP: #1419125
  * [media] smiapp-pll: Correct clock debug prints
    - LP: #1419125
  * Bluetooth: Fix LE connection timeout deadlock
    - LP: #1419125
  * [media] sound: simplify au0828 quirk table
    - LP: #1419125
  * [media] sound: Update au0828 quirks table
    - LP: #1419125
  * [media] af9005: fix kernel panic on init if compiled without IR
    - LP: #1419125
  * writeback: fix a subtle race condition in I_DIRTY clearing
    - LP: #1419125
  * usb: renesas_usbhs: gadget: fix NULL pointer dereference in
    ep_disable()
    - LP: #1419125
  * KVM: s390: Fix ipte locking
    - LP: #1419125
  * KVM: s390: flush CPU on load control
    - LP: #1419125
  * UBI: Fix double free after do_sync_erase()
    - LP: #1419125
  * UBI: Fix invalid vfree()
    - LP: #1419125
  * Drivers: hv: vmbus: Fix a race condition when unregistering a device
    - LP: #1419125
  * misc: genwqe: check for error from get_user_pages_fast()
    - LP: #1419125
  * driver core: Fix unbalanced device reference in drivers_probe
    - LP: #1419125
  * drbd: merge_bvec_fn: properly remap bvm->bi_bdev
    - LP: #1419125
  * PCI: Restore detection of read-only BARs
    - LP: #1419125
  * scsi: correct return values for .eh_abort_handler implementations
    - LP: #1419125
  * drm/radeon: fix typo in CI dpm disable
    - LP: #1419125
  * ARM: tegra: Re-add removed SoC id macro to tegra_resume()
    - LP: #1419125
  * arm64: Add COMPAT_HWCAP_LPAE
    - LP: #1419125
  * USB: qcserial: Add support for HP lt4112 LTE/HSPA+ Gobi 4G Modem
    - LP: #1419125
  * HID: usbhid: enable always-poll quirk for Elan Touchscreen 0103
    - LP: #1419125
  * HID: yet another buggy ELAN touchscreen
    - LP: #1419125
  * dcache: fix kmemcheck warning in switch_names
    - LP: #1419125
  * genhd: check for int overflow in disk_expand_part_tbl()
    - LP: #1419125
  * ftrace/x86: Add frames pointers to trampoline as necessary
    - LP: #1419125
  * drm/ttm: Avoid memory allocation from shrinker functions.
    - LP: #1419125
  * ASoC: sigmadsp: Refuse to load firmware files with a non-supported
    version
    - LP: #1419125
  * drm/radeon: work around a hw bug in MGCG on CIK
    - LP: #1419125
  * usb: gadget: at91_udc: move prepare clk into process context
    - LP: #1419125
  * Btrfs: make sure we wait on logged extents when fsycning two subvols
    - LP: #1419125
  * Btrfs: make sure logged extents complete in the current transaction V3
    - LP: #1419125
  * Btrfs: do not move em to modified list when unpinning
    - LP: #1419125
  * ARM: mvebu: disable I/O coherency on non-SMP situations on Armada
    370/375/38x/XP
    - LP: #1419125
  * megaraid_sas: corrected return of wait_event from abort frame path
    - LP: #1419125
  * ASoC: max98090: Fix ill-defined sidetone route
    - LP: #1419125
  * blk-mq: use 'nr_cpu_ids' as highest CPU ID count for hwq <-> cpu map
    - LP: #1419125
  * nfs41: fix nfs4_proc_layoutget error handling
    - LP: #1419125
  * cdc-acm: memory leak in error case
    - LP: #1419125
  * USB: cdc-acm: check for valid interfaces
    - LP: #1419125
  * [media] uvcvideo: Fix destruction order in uvc_delete()
    - LP: #1419125
  * HID: i2c-hid: fix race condition reading reports
    - LP: #1419125
  * mfd: twl4030-power: Fix regression with missing compatible flag
    - LP: #1419125
  * mfd: tc6393xb: Fail ohci suspend if full state restore is required
    - LP: #1419125
  * tty: serial: men_z135_uart: Add terminating entry for men_z135_ids
    - LP: #1419125
  * serial: samsung: wait for transfer completion before clock disable
    - LP: #1419125
  * mmc: dw_mmc: avoid write to CDTHRCTL on older versions
    - LP: #1419125
  * n_tty: Fix read_buf race condition, increment read_head after pushing
    data
    - LP: #1419125
  * dm cache: only use overwrite optimisation for promotion when in
    writeback mode
    - LP: #1419125
  * dm cache: dirty flag was mistakenly being cleared when promoting via
    overwrite
    - LP: #1419125
  * dm bufio: fix memleak when using a dm_buffer's inline bio
    - LP: #1419125
  * ath9k_hw: fix hardware queue allocation
    - LP: #1419125
  * ath9k: fix BE/BK queue order
    - LP: #1419125
  * ath5k: fix hardware queue index assignment
    - LP: #1419125
  * iwlwifi: dvm: fix flush support for old firmware
    - LP: #1419125
  * iwlwifi: mvm: update values for Smart Fifo
    - LP: #1419125
  * iommu/vt-d: Fix an off-by-one bug in __domain_mapping()
    - LP: #1419125
  * dm crypt: use memzero_explicit for on-stack buffer
    - LP: #1419125
  * mnt: Implicitly add MNT_NODEV on remount when it was implicitly added
    by mount
    - LP: #1419125
  * mnt: Update unprivileged remount test
    - LP: #1419125
  * umount: Disallow unprivileged mount force
    - LP: #1419125
  * md/raid5: fetch_block must fetch all the blocks handle_stripe_dirtying
    wants.
    - LP: #1419125
  * drm/i915: Only warn the first time we attempt to mmio whilst suspended
    - LP: #1419125
  * drm/vmwgfx: Fix error printout on signals pending
    - LP: #1419125
  * drm/vmwgfx: Fix fence event code
    - LP: #1419125
  * hp_accel: Add support for HP ZBook 15
    - LP: #1419125
  * drm/radeon: check the right ring in radeon_evict_flags()
    - LP: #1419125
  * swiotlb-xen: pass dev_addr to xen_dma_unmap_page and
    xen_dma_sync_single_for_cpu
    - LP: #1419125
  * swiotlb-xen: remove BUG_ON in xen_bus_to_phys
    - LP: #1419125
  * swiotlb-xen: call xen_dma_sync_single_for_device when appropriate
    - LP: #1419125
  * [media] img-ir/hw: Always read data to clear buffer
    - LP: #1419125
  * [media] img-ir/hw: Fix potential deadlock stopping timer
    - LP: #1419125
  * powerpc/book3s: Fix partial invalidation of TLBs in MCE code.
    - LP: #1419125
  * clocksource: arm_arch_timer: Change clocksource name if CP15
    unavailable
    - LP: #1419125
  * clocksource: arch_timer: Fix code to use physical timers when requested
    - LP: #1419125
  * ALSA: hda - Fix built-in mic at resume on Lenovo Ideapad S210
    - LP: #1419125
  * groups: Consolidate the setgroups permission checks
    - LP: #1419125
  * userns: Document what the invariant required for safe unprivileged
    mappings.
    - LP: #1419125
  * can: peak_usb: fix memset() usage
    - LP: #1419125
  * can: peak_usb: fix cleanup sequence order in case of error during init
    - LP: #1419125
  * ALSA: usb-audio: Don't resubmit pending URBs at MIDI error recovery
    - LP: #1419125
  * KEYS: Fix stale key registration at error path
    - LP: #1419125
  * thermal: Fix error path in thermal_init()
    - LP: #1419125
  * i2c: designware: Fix falling time bindings doc
    - LP: #1419125
  * drm/dp: retry AUX transactions 32 times (v1.1)
    - LP: #1419125
  * drm/fb_helper: move deferred fb checking into restore mode (v2)
    - LP: #1419125
  * xtensa: fix kmap_prot definition
    - LP: #1419125
  * blk-mq: Fix a use-after-free
    - LP: #1419125
  * blk-mq: Avoid that __bt_get_word() wraps multiple times
    - LP: #1419125
  * blk-mq: Fix a race between bt_clear_tag() and bt_get()
    - LP: #1419125
  * fs: nfsd: Fix signedness bug in compare_blob
    - LP: #1419125
  * nfsd4: fix xdr4 inclusion of escaped char
    - LP: #1419125
  * nfsd4: fix xdr4 count of server in fs_location4
    - LP: #1419125
  * userns: Don't allow setgroups until a gid mapping has been setablished
    - LP: #1419125
  * userns: Don't allow unprivileged creation of gid mappings
    - LP: #1419125
  * userns: Check euid no fsuid when establishing an unprivileged uid
    mapping
    - LP: #1419125
  * userns: Only allow the creator of the userns unprivileged mappings
    - LP: #1419125
  * userns: Rename id_map_mutex to userns_state_mutex
    - LP: #1419125
  * drm/i915: Don't complain about stolen conflicts on gen3
    - LP: #1419125
  * ALSA: hda - Add EAPD fixup for ASUS Z99He laptop
    - LP: #1419125
  * blk-mq: Fix uninitialized kobject at CPU hotplugging
    - LP: #1419125
  * ncpfs: return proper error from NCP_IOC_SETROOT ioctl
    - LP: #1419125
  * drivers/rtc/rtc-sirfsoc.c: move hardware initilization earlier in probe
    - LP: #1419125
  * rtc: omap: fix clock-source configuration
    - LP: #1419125
  * rtc: omap: fix missing wakealarm attribute
    - LP: #1419125
  * exit: pidns: alloc_pid() leaks pid_namespace if child_reaper is exiting
    - LP: #1419125
  * x86_64, switch_to(): Load TLS descriptors before switching DS and ES
    - LP: #1419125
  * KVM: nVMX: Disable unrestricted mode if ept=0
    - LP: #1419125
  * KVM: x86: em_ret_far overrides cpl
    - LP: #1419125
  * drm/i915: save/restore GMBUS freq across suspend/resume on gen4
    - LP: #1419125
  * pstore-ram: Fix hangs by using write-combine mappings
    - LP: #1419125
  * pstore-ram: Allow optional mapping with pgprot_noncached
    - LP: #1419125
  * userns: Add a knob to disable setgroups on a per user namespace basis
    - LP: #1419125
  * userns: Allow setting gid_maps without privilege when setgroups is
    disabled
    - LP: #1419125
  * userns: Unbreak the unprivileged remount tests
    - LP: #1419125
  * HID: i2c-hid: prevent buffer overflow in early IRQ
    - LP: #1419125
  * mac80211: fix multicast LED blinking and counter
    - LP: #1419125
  * cfg80211: Fix 160 MHz channels with 80+80 and 160 MHz drivers
    - LP: #1419125
  * cfg80211: avoid mem leak on driver hint set
    - LP: #1419125
  * nl80211: check matches array length before acessing it
    - LP: #1419125
  * cfg80211: don't WARN about two consecutive Country IE hint
    - LP: #1419125
  * reiserfs: destroy allocated commit workqueue
    - LP: #1419125
  * mtd: tests: abort torturetest on erase errors
    - LP: #1419125
  * tracing/sched: Check preempt_count() for current when reading
    task->state
    - LP: #1419125
  * x86/tls: Validate TLS entries to protect espfix
    - LP: #1419125
  * x86/tls: Disallow unusual TLS segments
    - LP: #1419125
  * ARC: [nsimosci] move peripherals to match model to FPGA
    - LP: #1419125
  * isofs: Fix infinite looping over CE entries
    - LP: #1419125
  * mac80211: free management frame keys when removing station
    - LP: #1419125
  * ceph: do_sync is never initialized
    - LP: #1419125
  * mnt: Fix a memory stomp in umount
    - LP: #1419125
  * ocfs2: fix journal commit deadlock
    - LP: #1419125
  * md/bitmap: always wait for writes on unplug.
    - LP: #1419125
  * mmc: block: add newline to sysfs display of force_ro
    - LP: #1419125
  * mmc: omap_hsmmc: Fix UHS card with DDR50 support
    - LP: #1419125
  * dm space map metadata: fix sm_bootstrap_get_nr_blocks()
    - LP: #1419125
  * dm thin: fix a race in thin_dtr
    - LP: #1419125
  * ARM: mvebu: fix ordering in Armada 370 .dtsi
    - LP: #1419125
  * eCryptfs: Force RO mount when encrypted view is enabled
    - LP: #1419125
  * eCryptfs: Remove buggy and unnecessary write in file name decode
    routine
    - LP: #1419125
  * tcm_loop: Fix wrong I_T nexus association
    - LP: #1419125
  * clk: samsung: Fix double add of syscore ops after driver rebind
    - LP: #1419125
  * ASoC: pcm512x: Trigger auto-increment of register addresses on i2c
    - LP: #1419125
  * Btrfs: fix fs corruption on transaction abort if device supports
    discard
    - LP: #1419125
  * perf/x86/intel/uncore: Make sure only uncore events are collected
    - LP: #1419125
  * perf: Fix events installation during moving group
    - LP: #1419125
  * drm/i915: vlv: fix IRQ masking when uninstalling interrupts
    - LP: #1419125
  * iscsi,iser-target: Initiate termination only once
    - LP: #1419125
  * iser-target: Fix flush + disconnect completion handling
    - LP: #1419125
  * iser-target: Parallelize CM connection establishment
    - LP: #1419125
  * iser-target: Fix connected_handler + teardown flow race
    - LP: #1419125
  * iser-target: Handle ADDR_CHANGE event for listener cm_id
    - LP: #1419125
  * iser-target: Fix implicit termination of connections
    - LP: #1419125
  * iser-target: Allocate PI contexts dynamically
    - LP: #1419125
  * iser-target: Fix NULL dereference in SW mode DIF
    - LP: #1419125
  * iscsi,iser-target: Expose supported protection ops according to t10_pi
    - LP: #1419125
  * genirq: Prevent proc race against freeing of irq descriptors
    - LP: #1419125
  * scsi: blacklist RSOC for Microsoft iSCSI target devices
    - LP: #1419125
  * iscsi-target: Fail connection on short sendmsg writes
    - LP: #1419125
  * drm/i915: Invalidate media caches on gen7
    - LP: #1419125
  * drm/i915: Force the CS stall for invalidate flushes
    - LP: #1419125
  * ALSA: hda/realtek - Add new Dell desktop for ALC3234 headset mode
    - LP: #1419125
  * dm thin: fix inability to discard blocks when in out-of-data-space mode
    - LP: #1419125
  * dm thin: fix missing out-of-data-space to write mode transition if
    blocks are released
    - LP: #1419125
  * dm: fix missed error code if .end_io isn't implemented by target_type
    - LP: #1419125
  * i2c: mv64xxx: use BIT() macro for register value definitions
    - LP: #1419125
  * i2c: mv64xxx: rework offload support to fix several problems
    - LP: #1419125
  * x86/tls: Don't validate lm in set_thread_area() after all
    - LP: #1419125
  * ALSA: usb-audio: extend KEF X300A FU 10 tweak to Arcam rPAC
    - LP: #1419125
  * tick/powerclamp: Remove tick_nohz_idle abuse
    - LP: #1419125
  * audit: don't attempt to lookup PIDs when changing PID filtering audit
    rules
    - LP: #1419125
  * audit: use supplied gfp_mask from audit_buffer in
    kauditd_send_multicast_skb
    - LP: #1419125
  * arm64: kernel: add missing __init section marker to cpu_suspend_init
    - LP: #1419125
  * arm64: kernel: refactor the CPU suspend API for retention states
    - LP: #1419125
  * arm64: Move cpu_resume into the text section
    - LP: #1419125
  * arm64: kernel: fix __cpu_suspend mm switch on warm-boot
    - LP: #1419125
  * audit: restore AUDIT_LOGINUID unset ABI
    - LP: #1419125
  * parisc: fix out-of-register compiler error in ldcw inline assembler
    function
    - LP: #1419125
  * kvm: x86: drop severity of "generation wraparound" message
    - LP: #1419125
  * Btrfs: fix loop writing of async reclaim
    - LP: #1419125
  * powercap / RAPL: add support for CPU model 0x3f
    - LP: #1419125
  * iwlwifi: make U-APSD default configurable at compile time
    - LP: #1419125
  * isofs: Fix unchecked printing of ER records
    - LP: #1419125
  * crypto: af_alg - fix backlog handling
    - LP: #1419125
  * udf: Check path length when reading symlink
    - LP: #1419125
  * udf: Verify i_size when loading inode
    - LP: #1419125
  * udf: Verify symlink size before loading it
    - LP: #1419125
  * udf: Check component length before reading it
    - LP: #1419125
  * platform/chrome: chromeos_laptop - Add support for Acer C720
    - LP: #1419125
  * platform/chrome: chromeos_laptop - Add HP Chromebook 14
    - LP: #1419125
  * platform/chrome: chromeos_laptop - Add Dell Chromebook 11 touch
    - LP: #1419125
  * platform/chrome: chromeos_laptop - Add Toshiba CB35 Touch
    - LP: #1419125
  * platform/chrome: Add support for the acer c720p touchscreen.
    - LP: #1419125
  * batman-adv: Calculate extra tail size based on queued fragments
    - LP: #1419125
  * move d_rcu from overlapping d_child to overlapping d_alias
    - LP: #1419125
  * deal with deadlock in d_walk()
    - LP: #1419125
  * KEYS: close race between key lookup and freeing
    - LP: #1419125
  * Linux 3.16.7-ckt4
    - LP: #1419125
  * spi: sh-msiof: Add runtime PM lock in initializing
    - LP: #1419125
  * drm/i915: Don't call intel_prepare_page_flip() multiple times on gen2-4
    - LP: #1419125
  * x86_64, vdso: Fix the vdso address randomization algorithm
    - LP: #1419125
  * drm/nv4c/mc: disable msi
    - LP: #1419125
  * ASoC: dwc: Ensure FIFOs are flushed to prevent channel swap
    - LP: #1419125
  * x86, vdso: Use asm volatile in __getcpu
    - LP: #1419125
  * video/logo: prevent use of logos after they have been freed
    - LP: #1419125
  * video/fbdev: fix defio's fsync
    - LP: #1419125
  * Add USB_EHCI_EXYNOS to multi_v7_defconfig
    - LP: #1419125
  * SCSI: fix regression in scsi_send_eh_cmnd()
    - LP: #1419125
  * Btrfs: don't delay inode ref updates during log replay
    - LP: #1419125
  * net: ethernet: cpsw: fix hangs with interrupts
    - LP: #1419125
  * ALSA: hda - Fix wrong gpio_dir & gpio_mask hint setups for IDT/STAC
    codecs
    - LP: #1419125
  * drm/radeon: KV has three PPLLs (v2)
    - LP: #1419125
  * drm/radeon: fix sad_count check for dce3
    - LP: #1419125
  * drm/radeon: properly filter DP1.2 4k modes on non-DP1.2 hw
    - LP: #1419125
  * drm/radeon: adjust default bapm settings for KV
    - LP: #1419125
  * ACPI / PM: Fix PM initialization for devices that are not present
    - LP: #1419125
  * mm: propagate error from stack expansion even for guard page
    - LP: #1419125
  * ALSA: hda - Add new GPU codec ID 0x10de0072 to snd-hda
    - LP: #1419125
  * vfio-pci: Fix the check on pci device type in vfio_pci_probe()
    - LP: #1419125
  * rpc: fix xdr_truncate_encode to handle buffer ending on page boundary
    - LP: #1419125
  * arm64/efi: add missing call to early_ioremap_reset()
    - LP: #1419125
  * exit: fix race between wait_consider_task() and wait_task_zombie()
    - LP: #1419125
  * mm: prevent endless growth of anon_vma hierarchy
    - LP: #1419125
  * mm: protect set_page_dirty() from ongoing truncation
    - LP: #1419125
  * mm, vmscan: prevent kswapd livelock due to pfmemalloc-throttled process
    being killed
    - LP: #1419125
  * sched/deadline: Fix migration of SCHED_DEADLINE tasks
    - LP: #1419125
  * sched/deadline: Avoid double-accounting in case of missed deadlines
    - LP: #1419125
  * HID: roccat: potential out of bounds in pyra_sysfs_write_settings()
    - LP: #1419125
  * mm: Don't count the stack guard page towards RLIMIT_STACK
    - LP: #1419125
  * mm: fix corner case in anon_vma endless growing prevention
    - LP: #1419125
  * xen/arm/arm64: introduce xen_arch_need_swiotlb
    - LP: #1419125
  * perf session: Do not fail on processing out of order event
    - LP: #1419125
  * fsnotify: next_i is freed during fsnotify_unmount_inodes.
    - LP: #1419125
  * drivers/rtc/rtc-isl12057.c: fix masking of register values
    - LP: #1419125
  * ASoC: eukrea-tlv320: Fix of_node_put() call with uninitialized object
    - LP: #1419125
  * ALSA: fireworks: fix an endianness bug for transaction length
    - LP: #1419125
  * mtd: nand: omap: Fix NAND enumeration on 3430 LDP
    - LP: #1419125
  * ocfs2: fix the wrong directory passed to ocfs2_lookup_ino_from_name()
    when link file
    - LP: #1419125
  * powerpc: Fix bad NULL pointer check in udbg_uart_getc_poll()
    - LP: #1419125
  * HID: add battery quirk for USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO
    keyboard
    - LP: #1419125
  * ALSA: hda - using uninitialized data
    - LP: #1419125
  * nilfs2: fix the nilfs_iget() vs. nilfs_new_inode() races
    - LP: #1419125
  * scripts/kernel-doc: don't eat struct members with __aligned
    - LP: #1419125
  * ARM: dts: DRA7: wdt: Fix compatible property for watchdog node
    - LP: #1419125
  * ARM: dts: Enable PWM node by default for s3c64xx
    - LP: #1419125
  * ARM: OMAP4: PM: Only do static dependency configuration in
    omap4_init_static_deps
    - LP: #1419125
  * HID: Add a new id 0x501a for Genius MousePen i608X
    - LP: #1419125
  * netfilter: ipset: small potential read beyond the end of buffer
    - LP: #1419125
  * bridge: fix netfilter/NF_BR_LOCAL_OUT for own, locally generated
    queries
    - LP: #1419125
  * bcache: Make sure to pass GFP_WAIT to mempool_alloc()
    - LP: #1419125
  * ACPICA: Add new GPE public interface - acpi_mark_gpe_for_wake.
    - LP: #1419125
  * ACPI / scan: No implicit wake notification for buttons
    - LP: #1419125
  * gre: fix the inner mac header in nbma tunnel xmit path
    - LP: #1419125
  * netlink: Always copy on mmap TX.
    - LP: #1419125
  * netlink: Don't reorder loads/stores before marking mmap netlink frame
    as available
    - LP: #1419125
  * in6: fix conflict with glibc
    - LP: #1419125
  * tg3: tg3_disable_ints using uninitialized mailbox value to disable
    interrupts
    - LP: #1419125
  * batman-adv: Unify fragment size calculation
    - LP: #1419125
  * batman-adv: avoid NULL dereferences and fix if check
    - LP: #1419125
  * net: Fix stacked vlan offload features computation
    - LP: #1419125
  * net: Reset secmark when scrubbing packet
    - LP: #1419125
  * net/core: Handle csum for CHECKSUM_COMPLETE VXLAN forwarding
    - LP: #1419125
  * tcp: Do not apply TSO segment limit to non-TSO packets
    - LP: #1419125
  * xen-netback: fixing the propagation of the transmit shaper timeout
    - LP: #1419125
  * alx: fix alx_poll()
    - LP: #1419125
  * team: avoid possible underflow of count_pending value for notify_peers
    and mcast_rejoin
    - LP: #1419125
  * enic: fix rx skb checksum
    - LP: #1419125
  * netfilter: conntrack: disable generic tracking for known protocols
    - LP: #1419125
  * xen-netfront: Fix handling packets on compound pages with skb_linearize
    - LP: #1419125
  * xen-netfront: use correct linear area after linearizing an skb
    - LP: #1419125
  * usb: musb: stuff leak of struct usb_hcd
    - LP: #1419125
  * usb: gadget: gadgetfs: Free memory allocated by memdup_user()
    - LP: #1419125
  * usb: gadget: udc: atmel: change setting for DMA
    - LP: #1419125
  * usb: gadget: udc: atmel: fix possible IN hang issue
    - LP: #1419125
  * ARM: imx6q: drop unnecessary semicolon
    - LP: #1419125
  * ARM: clk-imx6q: fix video divider for rev T0 1.0
    - LP: #1419125
  * ARM: dts: imx25: Fix the SPI1 clocks
    - LP: #1419125
  * USB: cp210x: fix ID for production CEL MeshConnect USB Stick
    - LP: #1419125
  * USB: keyspan: fix null-deref at probe
    - LP: #1419125
  * iwlwifi: mvm: fix Rx with both chains
    - LP: #1419125
  * ARM: imx6sx: Set PLL2 as parent of QSPI clocks
    - LP: #1419125
  * ARM: omap5/dra7xx: Fix frequency typos
    - LP: #1419125
  * ARM: omap5/dra7xx: Enable booting secondary CPU in HYP mode
    - LP: #1419125
  * LOCKD: Fix a race when initialising nlmsvc_timeout
    - LP: #1419125
  * NFSv4.1: Fix client id trunking on Linux
    - LP: #1419125
  * ARM: dts: imx51-babbage: Fix ULPI PHY reset modelling
    - LP: #1419125
  * USB: cp210x: add IDs for CEL USB sticks and MeshWorks devices
    - LP: #1419125
  * vhost-scsi: Add missing virtio-scsi -> TCM attribute conversion
    - LP: #1419125
  * USB: qcserial/option: make AT URCs work for Sierra Wireless MC73xx
    - LP: #1419125
  * ARM: dts: berlin: fix io clk and add missing core clk for BG2Q sdhci2
    host
    - LP: #1419125
  * ARM: dts: berlin: add broken-cd and set bus width for eMMC in Marvell
    DMP DT
    - LP: #1419125
  * ARM: dts: berlin: correct BG2Q's SM GPIO location.
    - LP: #1419125
  * xhci: Check if slot is already in default state before moving it there
    - LP: #1419125
  * USB: EHCI: fix initialization bug in iso_stream_schedule()
    - LP: #1419125
  * xhci: Add broken-streams quirk for Fresco Logic FL1000G xhci
    controllers
    - LP: #1419125
  * uas: Add US_FL_NO_ATA_1X for Seagate devices with usb-id 0bc2:a013
    - LP: #1419125
  * uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS566 with usb-id
    0bc2:a013
    - LP: #1419125
  * uas: Add US_FL_NO_ATA_1X for 2 more Seagate disk enclosures
    - LP: #1419125
  * OHCI: add a quirk for ULi M5237 blocking on reset
    - LP: #1419125
  * mei: clean reset bit before reset
    - LP: #1419125
  * target: Drop arbitrary maximum I/O size limit
    - LP: #1419125
  * usb: gadget: udc: atmel: fix possible oops when unloading module
    - LP: #1419125
  * USB: console: fix uninitialised ldisc semaphore
    - LP: #1419125
  * USB: console: fix potential use after free
    - LP: #1419125
  * mmc: sdhci-pxav3: fix error handling of sdhci_add_host
    - LP: #1419125
  * mmc: sdhci-pxav3: do the mbus window configuration after enabling
    clocks
    - LP: #1419125
  * mmc: sdhci: Fix sleep in atomic after inserting SD card
    - LP: #1419125
  * clk: at91: keep slow clk enabled to prevent system hang
    - LP: #1419125
  * clk: berlin: bg2q: remove non-exist "smemc" gate clock
    - LP: #1419125
  * drivers: net: cpsw: fix multicast flush in dual emac mode
    - LP: #1419125
  * usb: dwc3: gadget: Fix TRB preparation during SG
    - LP: #1419125
  * usb: dwc3: gadget: Stop TRB preparation after limit is reached
    - LP: #1419125
  * ftrace/jprobes/x86: Fix conflict between jprobes and function graph
    tracing
    - LP: #1419125
  * reset: sunxi: fix spinlock initialization
    - LP: #1419125
  * clk: Don't try to use a struct clk* after it could have been freed
    - LP: #1419125
  * tcm_loop: Fixup tag handling
    - LP: #1419125
  * net: prevent of emerging cross-namespace symlinks
    - LP: #1419125
  * net: fix creation adjacent device symlinks
    - LP: #1419125
  * drm/i915: Evict CS TLBs between batches
    - LP: #1419125
  * ARM: dts: dra7-evm: fix qspi device tree partition size
    - LP: #1419125
  * ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin
    instances
    - LP: #1419125
  * Linux 3.16.7-ckt5
    - LP: #1419125
 -- Seth Forshee <seth.forshee@xxxxxxxxxxxxx>   Mon, 09 Feb 2015 14:00:45 -0600

** Changed in: linux (Ubuntu Utopic)
       Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-0239

-- 
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/1400411

Title:
  Feature: cpuidle: Enable fastsleep and winkle in ubuntu 14.04.02
  kernel

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Utopic:
  Fix Released

Bug description:
  SRU Justification:

  [Impact]
  Users would like to be able to use fastsleep and winkle cpuidle states in the 3.16 Ubuntu kernel when using powernv.

  [Fix]
  commits
  d6a4f70909d279004a2b3d539e240e07b1ecc1cb
  56548fc0e86cb9156af7a7e1f15ba78f251dafaf
  8117ac6a6c2fa0f847ff6a21a1f32c8d2c8501d0
  8eb8ac89a364305d05ad16be983b7890eb462cc3 *backported*
  7cba160ad789a3ad7e68b92bf20eaad6ed171f80 *backported*
  77b54e9f213f76a23736940cf94bcd765fc00f40
  upstream

  [Test Case]
  Testing fastsleep
  -----------------
  With these patches cpuidle framework picks up fastsleep as one of the idle states. You can observe the cpus entering fastsleep by checking
  /sys/devices/system/cpu/cpuXX/cpuidle/state2/name. This should show FastSleep.
  Then while system is idle check /sys/devices/system/cpu/cpuXX/cpuidle/state2/time increment over time
  This shows the amount of time a particular cpu was in fastsleep.

  Testing Winkle
  --------------
  With these patches, offline cpus enter winkle. So test this by offlining and onlining cpus.
  ppc64_cpu --cores-on=1
  ppc64_cpu --cores-on=X where X is the total number of cores available in the machine.

  --

  This is a feature request to enable power management features
  fastsleep and winkle cpuidle states in ubuntu -14.04.02 kernel. The
  cpuidle state management patches have been posted to Linux Kernel
  Community.

  Mailing list:
  [PATCH 0/4] powernv: cpuidle: Redesign idle states management
  https://lists.ozlabs.org/pipermail/linuxppc-dev/2014-November/122433.html

  Patchset:
  [1/4] powerpc: powernv: Switch off MMU before entering nap/sleep/rvwinkle mode
  https://patchwork.ozlabs.org/patch/406249/

  [2/4] powerpc/powernv: Enable Offline CPUs to enter deep idle states
  https://patchwork.ozlabs.org/patch/406250/

  [3/4] powernv: cpuidle: Redesign idle states management
  https://patchwork.ozlabs.org/patch/406256/

  [4/4] powernv: powerpc: Add winkle support for offline cpus
  https://patchwork.ozlabs.org/patch/406251/

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