[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-04-05 Thread Juerg Haefliger 
Fully released so adding tags verification-done-focal and verification-
done-impish.

** Tags removed: verification-needed-focal verification-needed-impish
** Tags added: verification-done-focal verification-done-impish

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Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Focal:
  Fix Released
Status in linux source package in Impish:
  Fix Released
Status in linux source package in Jammy:
  Fix Released

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-03-21 Thread Frank Heimes 
** Changed in: ubuntu-z-systems
   Status: Fix Committed => Fix Released

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Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Focal:
  Fix Released
Status in linux source package in Impish:
  Fix Released
Status in linux source package in Jammy:
  Fix Released

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-03-21 Thread Launchpad Bug Tracker 
This bug was fixed in the package linux - 5.4.0-105.119

---
linux (5.4.0-105.119) focal; urgency=medium

  * CVE-2022-0847
- lib/iov_iter: initialize "flags" in new pipe_buffer

  * Broken network on some AWS instances with focal/impish kernels
(LP: #1961968)
- SAUCE: Revert "PCI/MSI: Mask MSI-X vectors only on success"

  * [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7
(LP: #1960182)
- s390/cpumf: Support for CPU Measurement Facility CSVN 7
- s390/cpumf: Support for CPU Measurement Sampling Facility LS bit

  * Hipersocket page allocation failure on Ubuntu 20.04 based SSC environments
(LP: #1959529)
- s390/qeth: use memory reserves to back RX buffers

  * CVE-2022-0516
- KVM: s390: Return error on SIDA memop on normal guest

  * CVE-2022-0435
- tipc: improve size validations for received domain records

  * CVE-2022-0492
- cgroup-v1: Require capabilities to set release_agent

  * Recalled NFSv4 files delegations overwhelm server (LP: #1957986)
- NFSv4: Fix delegation handling in update_open_stateid()
- NFSv4: nfs4_callback_getattr() should ignore revoked delegations
- NFSv4: Delegation recalls should not find revoked delegations
- NFSv4: fail nfs4_refresh_delegation_stateid() when the delegation was
  revoked
- NFS: Rename nfs_inode_return_delegation_noreclaim()
- NFSv4: Don't remove the delegation from the super_list more than once
- NFSv4: Hold the delegation spinlock when updating the seqid
- NFSv4: Clear the NFS_DELEGATION_REVOKED flag in
  nfs_update_inplace_delegation()
- NFSv4: Update the stateid seqid in nfs_revoke_delegation()
- NFSv4: Revoke the delegation on success in nfs4_delegreturn_done()
- NFSv4: Ignore requests to return the delegation if it was revoked
- NFSv4: Don't reclaim delegations that have been returned or revoked
- NFSv4: nfs4_return_incompatible_delegation() should check delegation
  validity
- NFSv4: Fix nfs4_inode_make_writeable()
- NFS: nfs_inode_find_state_and_recover() fix stateid matching
- NFSv4: Fix races between open and delegreturn
- NFSv4: Handle NFS4ERR_OLD_STATEID in delegreturn
- NFSv4: Don't retry the GETATTR on old stateid in nfs4_delegreturn_done()
- NFSv4: nfs_inode_evict_delegation() should set NFS_DELEGATION_RETURNING
- NFS: Clear NFS_DELEGATION_RETURN_IF_CLOSED when the delegation is returned
- NFSv4: Try to return the delegation immediately when marked for return on
  close
- NFSv4: Add accounting for the number of active delegations held
- NFSv4: Limit the total number of cached delegations
- NFSv4: Ensure the delegation is pinned in nfs_do_return_delegation()
- NFSv4: Ensure the delegation cred is pinned when we call delegreturn

  * Focal update: v5.4.174 upstream stable release (LP: #1960566)
- HID: uhid: Fix worker destroying device without any protection
- HID: wacom: Reset expected and received contact counts at the same time
- HID: wacom: Ignore the confidence flag when a touch is removed
- HID: wacom: Avoid using stale array indicies to read contact count
- f2fs: fix to do sanity check in is_alive()
- nfc: llcp: fix NULL error pointer dereference on sendmsg() after failed
  bind()
- mtd: rawnand: gpmi: Add ERR007117 protection for nfc_apply_timings
- mtd: rawnand: gpmi: Remove explicit default gpmi clock setting for i.MX6
- x86/gpu: Reserve stolen memory for first integrated Intel GPU
- tools/nolibc: x86-64: Fix startup code bug
- tools/nolibc: i386: fix initial stack alignment
- tools/nolibc: fix incorrect truncation of exit code
- rtc: cmos: take rtc_lock while reading from CMOS
- media: v4l2-ioctl.c: readbuffers depends on V4L2_CAP_READWRITE
- media: flexcop-usb: fix control-message timeouts
- media: mceusb: fix control-message timeouts
- media: em28xx: fix control-message timeouts
- media: cpia2: fix control-message timeouts
- media: s2255: fix control-message timeouts
- media: dib0700: fix undefined behavior in tuner shutdown
- media: redrat3: fix control-message timeouts
- media: pvrusb2: fix control-message timeouts
- media: stk1160: fix control-message timeouts
- can: softing_cs: softingcs_probe(): fix memleak on registration failure
- lkdtm: Fix content of section containing lkdtm_rodata_do_nothing()
- iommu/io-pgtable-arm-v7s: Add error handle for page table allocation 
failure
- dma_fence_array: Fix PENDING_ERROR leak in dma_fence_array_signaled()
- PCI: Add function 1 DMA alias quirk for Marvell 88SE9125 SATA controller
- mm_zone: add function to check if managed dma zone exists
- mm/page_alloc.c: do not warn allocation failure on zone DMA if no managed
  pages
- shmem: fix a race between shmem_unused_huge_shrink and shmem_evict_inode
- drm/rockchip: dsi: Hold pm-runtime across bind/unbind
-

[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-03-21 Thread Launchpad Bug Tracker 
This bug was fixed in the package linux - 5.13.0-37.42

---
linux (5.13.0-37.42) impish; urgency=medium

  * impish/linux: 5.13.0-37.42 -proposed tracker (LP: #1964959)

  * CVE-2022-0742
- ipv6: fix skb drops in igmp6_event_query() and igmp6_event_report()

linux (5.13.0-36.41) impish; urgency=medium

  * Packaging resync (LP: #1786013)
- [Packaging] resync getabis
- debian/dkms-versions -- update from kernel-versions (main/2022.02.21)

  * Broken network on some AWS instances with focal/impish kernels
(LP: #1961968)
- SAUCE: Revert "PCI/MSI: Mask MSI-X vectors only on success"

  * [SRU]PCI: vmd: Do not disable MSI-X remapping if interrupt remapping is
enabled by IOMMU (LP: #1937295)
- PCI: vmd: Do not disable MSI-X remapping if interrupt remapping is enabled
  by IOMMU

  * [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7
(LP: #1960182)
- s390/cpumf: Support for CPU Measurement Facility CSVN 7
- s390/cpumf: Support for CPU Measurement Sampling Facility LS bit

  * [UBUNTU 21.10] s390/cio: verify the driver availability for path_event call
(LP: #1960875)
- s390/cio: verify the driver availability for path_event call

  * Impish update: upstream stable patchset 2022-02-14 (LP: #1960861)
- devtmpfs regression fix: reconfigure on each mount
- orangefs: Fix the size of a memory allocation in orangefs_bufmap_alloc()
- remoteproc: qcom: pil_info: Don't memcpy_toio more than is provided
- perf: Protect perf_guest_cbs with RCU
- KVM: x86: Register Processor Trace interrupt hook iff PT enabled in guest
- KVM: s390: Clarify SIGP orders versus STOP/RESTART
- 9p: only copy valid iattrs in 9P2000.L setattr implementation
- video: vga16fb: Only probe for EGA and VGA 16 color graphic cards
- media: uvcvideo: fix division by zero at stream start
- rtlwifi: rtl8192cu: Fix WARNING when calling local_irq_restore() with
  interrupts enabled
- firmware: qemu_fw_cfg: fix sysfs information leak
- firmware: qemu_fw_cfg: fix NULL-pointer deref on duplicate entries
- firmware: qemu_fw_cfg: fix kobject leak in probe error path
- KVM: x86: remove PMU FIXED_CTR3 from msrs_to_save_all
- ALSA: hda/realtek: Add speaker fixup for some Yoga 15ITL5 devices
- ALSA: hda/realtek - Fix silent output on Gigabyte X570 Aorus Master after
  reboot from Windows
- ALSA: hda: ALC287: Add Lenovo IdeaPad Slim 9i 14ITL5 speaker quirk
- ALSA: hda/realtek: Add quirk for Legion Y9000X 2020
- ALSA: hda/realtek: Re-order quirk entries for Lenovo
- powerpc/pseries: Get entry and uaccess flush required bits from
  H_GET_CPU_CHARACTERISTICS
- mtd: fixup CFI on ixp4xx
- KVM: x86: don't print when fail to read/write pv eoi memory
- remoteproc: qcom: pas: Add missing power-domain "mxc" for CDSP
- perf annotate: Avoid TUI crash when navigating in the annotation of
  recursive functions
- ALSA: hda/realtek: Use ALC285_FIXUP_HP_GPIO_LED on another HP laptop
- ALSA: hda/tegra: Fix Tegra194 HDA reset failure

  * CVE-2022-0516
- KVM: s390: Return error on SIDA memop on normal guest

  * CVE-2022-0435
- tipc: improve size validations for received domain records

  * CVE-2022-0492
- cgroup-v1: Require capabilities to set release_agent

  * jammy 5.15 kernel soft lockup when zfs.ko is loaded on s390x w/ gcc >=
11.2.0-10ubuntu1 / gcc-11 PLT regression on s390x (LP: #1954676)
- s390/module: fix loading modules with a lot of relocations

  * Impish update: upstream stable patchset 2022-02-09 (LP: #1960452)
- workqueue: Fix unbind_workers() VS wq_worker_running() race
- Bluetooth: btusb: fix memory leak in btusb_mtk_submit_wmt_recv_urb()
- Bluetooth: btusb: Add two more Bluetooth parts for WCN6855
- Bluetooth: btusb: Add support for Foxconn QCA 0xe0d0
- Bluetooth: bfusb: fix division by zero in send path
- ARM: dts: exynos: Fix BCM4330 Bluetooth reset polarity in I9100
- USB: core: Fix bug in resuming hub's handling of wakeup requests
- USB: Fix "slab-out-of-bounds Write" bug in usb_hcd_poll_rh_status
- ath11k: Fix buffer overflow when scanning with extraie
- mmc: sdhci-pci: Add PCI ID for Intel ADL
- mfd: intel-lpss: Fix too early PM enablement in the ACPI ->probe()
- can: gs_usb: fix use of uninitialized variable, detach device on reception
  of invalid USB data
- can: isotp: convert struct tpcon::{idx,len} to unsigned int
- can: gs_usb: gs_can_start_xmit(): zero-initialize hf->{flags,reserved}
- random: fix data race on crng_node_pool
- random: fix data race on crng init time
- random: fix crash on multiple early calls to add_bootloader_randomness()
- media: Revert "media: uvcvideo: Set unique vdev name based in type"
- staging: wlan-ng: Avoid bitwise vs logical OR warning in
  hfa384x_usb_throttlefn()
- drm/i915: Avoid bitwise vs logical OR warning in

[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-03-20 Thread bugproxy 
** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin2004

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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  Fix Committed
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Focal:
  Fix Committed
Status in linux source package in Impish:
  Fix Committed
Status in linux source package in Jammy:
  Fix Released

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-03-18 Thread Frank Heimes 
** Changed in: ubuntu-z-systems
   Status: In Progress => Fix Committed

-- 
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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  Fix Committed
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Focal:
  Fix Committed
Status in linux source package in Impish:
  Fix Committed
Status in linux source package in Jammy:
  Fix Released

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-03-18 Thread Launchpad Bug Tracker 
This bug was fixed in the package linux - 5.15.0-23.23

---
linux (5.15.0-23.23) jammy; urgency=medium

  * jammy/linux: 5.15.0-23.23 -proposed tracker (LP: #1964573)

  * Packaging resync (LP: #1786013)
- [Packaging] resync dkms-build{,--nvidia-N} from LRMv5
- debian/dkms-versions -- update from kernel-versions (main/master)

  * [22.04 FEAT] KVM: Enable GISA support for Secure Execution guests
(LP: #1959977)
- KVM: s390: pv: make use of ultravisor AIV support

  * intel_iommu breaks Intel IPU6 camera: isys port open ready failed -16
(LP: #1958004)
- SAUCE: iommu: intel-ipu: use IOMMU passthrough mode for Intel IPUs

  * CVE-2022-23960
- ARM: report Spectre v2 status through sysfs
- ARM: early traps initialisation
- ARM: use LOADADDR() to get load address of sections
- ARM: Spectre-BHB workaround
- ARM: include unprivileged BPF status in Spectre V2 reporting
- arm64: Add Neoverse-N2, Cortex-A710 CPU part definition
- arm64: Add HWCAP for self-synchronising virtual counter
- arm64: Add Cortex-X2 CPU part definition
- arm64: add ID_AA64ISAR2_EL1 sys register
- arm64: cpufeature: add HWCAP for FEAT_AFP
- arm64: cpufeature: add HWCAP for FEAT_RPRES
- arm64: entry.S: Add ventry overflow sanity checks
- arm64: spectre: Rename spectre_v4_patch_fw_mitigation_conduit
- KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A
- arm64: entry: Make the trampoline cleanup optional
- arm64: entry: Free up another register on kpti's tramp_exit path
- arm64: entry: Move the trampoline data page before the text page
- arm64: entry: Allow tramp_alias to access symbols after the 4K boundary
- arm64: entry: Don't assume tramp_vectors is the start of the vectors
- arm64: entry: Move trampoline macros out of ifdef'd section
- arm64: entry: Make the kpti trampoline's kpti sequence optional
- arm64: entry: Allow the trampoline text to occupy multiple pages
- arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations
- arm64: entry: Add vectors that have the bhb mitigation sequences
- arm64: entry: Add macro for reading symbol addresses from the trampoline
- arm64: Add percpu vectors for EL1
- arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of 
Spectre-v2
- arm64: Mitigate spectre style branch history side channels
- KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated
- arm64: Use the clearbhb instruction in mitigations
- arm64: proton-pack: Include unprivileged eBPF status in Spectre v2
  mitigation reporting
- ARM: fix build error when BPF_SYSCALL is disabled

  * CVE-2021-26401
- x86/speculation: Use generic retpoline by default on AMD
- x86/speculation: Update link to AMD speculation whitepaper
- x86/speculation: Warn about Spectre v2 LFENCE mitigation
- x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT

  * CVE-2022-0001
- x86,bugs: Unconditionally allow spectre_v2=retpoline,amd
- x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE
- x86/speculation: Add eIBRS + Retpoline options
- Documentation/hw-vuln: Update spectre doc
- x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation
  reporting

  * Jammy update: v5.15.27 upstream stable release (LP: #1964361)
- mac80211_hwsim: report NOACK frames in tx_status
- mac80211_hwsim: initialize ieee80211_tx_info at hw_scan_work
- i2c: bcm2835: Avoid clock stretching timeouts
- ASoC: rt5668: do not block workqueue if card is unbound
- ASoC: rt5682: do not block workqueue if card is unbound
- regulator: core: fix false positive in regulator_late_cleanup()
- Input: clear BTN_RIGHT/MIDDLE on buttonpads
- btrfs: get rid of warning on transaction commit when using flushoncommit
- KVM: arm64: vgic: Read HW interrupt pending state from the HW
- block: loop:use kstatfs.f_bsize of backing file to set discard granularity
- tipc: fix a bit overflow in tipc_crypto_key_rcv()
- cifs: do not use uninitialized data in the owner/group sid
- cifs: fix double free race when mount fails in cifs_get_root()
- cifs: modefromsids must add an ACE for authenticated users
- selftests/seccomp: Fix seccomp failure by adding missing headers
- drm/amd/pm: correct UMD pstate clocks for Dimgrey Cavefish and Beige Goby
- dmaengine: shdma: Fix runtime PM imbalance on error
- i2c: cadence: allow COMPILE_TEST
- i2c: imx: allow COMPILE_TEST
- i2c: qup: allow COMPILE_TEST
- net: usb: cdc_mbim: avoid altsetting toggling for Telit FN990
- block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern
- usb: gadget: don't release an existing dev->buf
- usb: gadget: clear related members when goto fail
- exfat: reuse exfat_inode_info variable instead of calling EXFAT_I()
- exfat: fix i_blocks for files truncated over

[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-24 Thread Ubuntu Kernel Bot 
This bug is awaiting verification that the linux/5.4.0-102.115 kernel in
-proposed solves the problem. Please test the kernel and update this bug
with the results. If the problem is solved, change the tag
'verification-needed-focal' to 'verification-done-focal'. If the problem
still exists, change the tag 'verification-needed-focal' to
'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-focal

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  In Progress
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  Fix Committed
Status in linux source package in Impish:
  Fix Committed
Status in linux source package in Jammy:
  In Progress

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-24 Thread Ubuntu Kernel Bot 
This bug is awaiting verification that the linux/5.13.0-32.35 kernel in
-proposed solves the problem. Please test the kernel and update this bug
with the results. If the problem is solved, change the tag
'verification-needed-impish' to 'verification-done-impish'. If the
problem still exists, change the tag 'verification-needed-impish' to
'verification-failed-impish'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-impish

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  In Progress
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  Fix Committed
Status in linux source package in Impish:
  Fix Committed
Status in linux source package in Jammy:
  In Progress

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-17 Thread Kleber Sacilotto de Souza 
** Changed in: linux (Ubuntu Focal)
   Status: In Progress => Fix Committed

** Changed in: linux (Ubuntu Impish)
   Status: In Progress => Fix Committed

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  In Progress
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  Fix Committed
Status in linux source package in Impish:
  Fix Committed
Status in linux source package in Jammy:
  In Progress

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-17 Thread Stefan Bader 
** Changed in: linux (Ubuntu Jammy)
   Importance: High => Medium

** Changed in: linux (Ubuntu Impish)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Focal)
   Importance: Undecided => Medium

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  In Progress
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  In Progress
Status in linux source package in Impish:
  In Progress
Status in linux source package in Jammy:
  In Progress

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-16 Thread Krzysztof Kozlowski 
Thanks for backport. Much appreciated.

Sent SRU:
https://lists.ubuntu.com/archives/kernel-team/2022-February/128125.html

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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  In Progress
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  In Progress
Status in linux source package in Impish:
  In Progress
Status in linux source package in Jammy:
  In Progress

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-16 Thread Frank Heimes 
** Changed in: ubuntu-z-systems
   Status: New => In Progress

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  In Progress
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  In Progress
Status in linux source package in Impish:
  In Progress
Status in linux source package in Jammy:
  In Progress

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-16 Thread Krzysztof Kozlowski 
** Also affects: linux (Ubuntu Jammy)
   Importance: High
 Assignee: Krzysztof Kozlowski (krzk)
   Status: In Progress

** Also affects: linux (Ubuntu Impish)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu Focal)
   Status: New => In Progress

** Changed in: linux (Ubuntu Impish)
   Status: New => In Progress

** Changed in: linux (Ubuntu Focal)
 Assignee: (unassigned) => Krzysztof Kozlowski (krzk)

** Changed in: linux (Ubuntu Impish)
 Assignee: (unassigned) => Krzysztof Kozlowski (krzk)

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  New
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  In Progress
Status in linux source package in Impish:
  In Progress
Status in linux source package in Jammy:
  In Progress

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-16 Thread Krzysztof Kozlowski 
** Changed in: linux (Ubuntu)
 Assignee: Skipper Bug Screeners (skipper-screen-team) => Krzysztof 
Kozlowski (krzk)

** Changed in: linux (Ubuntu)
   Status: New => In Progress

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
   Status: New

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Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  New
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Focal:
  New

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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[Kernel-packages] [Bug 1960182] Re: [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

2022-02-16 Thread Frank Heimes 
** Also affects: ubuntu-z-systems
   Importance: Undecided
   Status: New

** Changed in: ubuntu-z-systems
 Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Changed in: ubuntu-z-systems
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1960182

Title:
  [UBUNTU 20.04] kernel: Add support for CPU-MF counter second version 7

Status in Ubuntu on IBM z Systems:
  New
Status in linux package in Ubuntu:
  New

Bug description:
  Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
  counter second version 7

  Error Symptom: Daemon cpacfstatsd fails on start up of the system 
 with this error message
 cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
  not found (2:No such file or directory)
  Problem:   When the CPU Measurement facility device driver
 is initialized during kernel boot, it reads out the
 CPU Measurement facility counter hardware first and 
 second version numbers. Depending on these numbers
 the device driver exports attributes in the sysfs
 directory /sys/devices/cpum_cf/events. When the
 CPM-MF second version number is not known, no
 attributes of the crypto counter set are exported.
 However the cpacfstatsd program scans the sysfs
 directory /sys/devices/cpum_cf/events for attribute
 files of the crypto counter set, for example attribute
 file DEA_FUNCTIONS and others.
  Solution:  Add support for the new CPU-MF Measurement counter
 facility second version number 7. This number then
 exports the crypto counter set in directory
 directory /sys/devices/cpum_cf/events.
 Also add support for limited samples. These hardware
 samples contain all zeroes and are of no value when
 using the CPU Measurement Facility sampling hardware.
 Drop these samples when the limited sampled bit is set
 in the sample descriptor.
  Reproduction:  Run command ls -l /sys/devices/cpum_cf/events |
fgrep DEA
   DEA_BLOCKED_CYCLES
   DEA_BLOCKED_FUNCTIONS
   DEA_CYCLES
   DEA_FUNCTIONS
 When there is no output at all the attributes files
 for the crypto counter set have not been exported.
 If above output is visible, the described problem does
 not show up.
  Upstream-ID:   a87b0fd4f9003f8521226e226cf92b18147b3519
 745f5d20e7936931f924410f32d8b0e599b5990e
  Problem-ID:196017

  Preventive:yes
  Reported:  Christian Rund 
  SupportTicket: -
  Reference: -
  Date:  2022-01-20
  Author:Thomas Richter 
  Component: kernel

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