Commit graph

9862 commits

Author SHA1 Message Date
Linus Torvalds
21873bd66b arm64 fixes for 5.19-rc1:
- Initialise jump labels before setup_machine_fdt(), needed by commit
   f5bda35fba ("random: use static branch for crng_ready()").
 
 - Sparse warnings: missing prototype, incorrect __user annotation.
 
 - Skip SVE kselftest if not sufficient vector lengths supported.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:
 "Most of issues addressed were introduced during this merging window.

   - Initialise jump labels before setup_machine_fdt(), needed by commit
     f5bda35fba ("random: use static branch for crng_ready()").

   - Sparse warnings: missing prototype, incorrect __user annotation.

   - Skip SVE kselftest if not sufficient vector lengths supported"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  kselftest/arm64: signal: Skip SVE signal test if not enough VLs supported
  arm64: Initialize jump labels before setup_machine_fdt()
  arm64: hibernate: Fix syntax errors in comments
  arm64: Remove the __user annotation for the restore_za_context() argument
  ftrace/fgraph: fix increased missing-prototypes warnings
2022-06-03 14:05:34 -07:00
Linus Torvalds
500a434fc5 Driver core changes for 5.19-rc1
Here is the set of driver core changes for 5.19-rc1.
 
 Note, I'm not really happy with this pull request as-is, see below for
 details, but overall this is all good for everything but a small set of
 systems, which we have a fix for already.
 
 Lots of tiny driver core changes and cleanups happened this cycle,
 but the two major things were:
 
 	- firmware_loader reorganization and additions including the
 	  ability to have XZ compressed firmware images and the ability
 	  for userspace to initiate the firmware load when it needs to,
 	  instead of being always initiated by the kernel. FPGA devices
 	  specifically want this ability to have their firmware changed
 	  over the lifetime of the system boot, and this allows them to
 	  work without having to come up with yet-another-custom-uapi
 	  interface for loading firmware for them.
 	- physical location support added to sysfs so that devices that
 	  know this information, can tell userspace where they are
 	  located in a common way.  Some ACPI devices already support
 	  this today, and more bus types should support this in the
 	  future.
 
 Smaller changes included:
 	- driver_override api cleanups and fixes
 	- error path cleanups and fixes
 	- get_abi script fixes
 	- deferred probe timeout changes.
 
 It's that last change that I'm the most worried about.  It has been
 reported to cause boot problems for a number of systems, and I have a
 tested patch series that resolves this issue.  But I didn't get it
 merged into my tree before 5.18-final came out, so it has not gotten any
 linux-next testing.
 
 I'll send the fixup patches (there are 2) as a follow-on series to this
 pull request if you want to take them directly, _OR_ I can just revert
 the probe timeout changes and they can wait for the next -rc1 merge
 cycle.  Given that the fixes are tested, and pretty simple, I'm leaning
 toward that choice.  Sorry this all came at the end of the merge window,
 I should have resolved this all 2 weeks ago, that's my fault as it was
 in the middle of some travel for me.
 
 All have been tested in linux-next for weeks, with no reported issues
 other than the above-mentioned boot time outs.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the set of driver core changes for 5.19-rc1.

  Lots of tiny driver core changes and cleanups happened this cycle, but
  the two major things are:

   - firmware_loader reorganization and additions including the ability
     to have XZ compressed firmware images and the ability for userspace
     to initiate the firmware load when it needs to, instead of being
     always initiated by the kernel. FPGA devices specifically want this
     ability to have their firmware changed over the lifetime of the
     system boot, and this allows them to work without having to come up
     with yet-another-custom-uapi interface for loading firmware for
     them.

   - physical location support added to sysfs so that devices that know
     this information, can tell userspace where they are located in a
     common way. Some ACPI devices already support this today, and more
     bus types should support this in the future.

  Smaller changes include:

   - driver_override api cleanups and fixes

   - error path cleanups and fixes

   - get_abi script fixes

   - deferred probe timeout changes.

  It's that last change that I'm the most worried about. It has been
  reported to cause boot problems for a number of systems, and I have a
  tested patch series that resolves this issue. But I didn't get it
  merged into my tree before 5.18-final came out, so it has not gotten
  any linux-next testing.

  I'll send the fixup patches (there are 2) as a follow-on series to this
  pull request.

  All have been tested in linux-next for weeks, with no reported issues
  other than the above-mentioned boot time-outs"

* tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
  driver core: fix deadlock in __device_attach
  kernfs: Separate kernfs_pr_cont_buf and rename_lock.
  topology: Remove unused cpu_cluster_mask()
  driver core: Extend deferred probe timeout on driver registration
  MAINTAINERS: add Russ Weight as a firmware loader maintainer
  driver: base: fix UAF when driver_attach failed
  test_firmware: fix end of loop test in upload_read_show()
  driver core: location: Add "back" as a possible output for panel
  driver core: location: Free struct acpi_pld_info *pld
  driver core: Add "*" wildcard support to driver_async_probe cmdline param
  driver core: location: Check for allocations failure
  arch_topology: Trace the update thermal pressure
  kernfs: Rename kernfs_put_open_node to kernfs_unlink_open_file.
  export: fix string handling of namespace in EXPORT_SYMBOL_NS
  rpmsg: use local 'dev' variable
  rpmsg: Fix calling device_lock() on non-initialized device
  firmware_loader: describe 'module' parameter of firmware_upload_register()
  firmware_loader: Move definitions from sysfs_upload.h to sysfs.h
  firmware_loader: Fix configs for sysfs split
  selftests: firmware: Add firmware upload selftests
  ...
2022-06-03 11:48:47 -07:00
Linus Torvalds
6f9b5ed8ca Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
Here is the large set of char, misc, and other driver subsystem updates
 for 5.19-rc1.  The merge request for this has been delayed as I wanted
 to get lots of linux-next testing due to some late arrivals of changes
 for the habannalabs driver.
 
 Highlights of this merge are:
 	- habanalabs driver updates for new hardware types and fixes and
 	  other updates
 	- IIO driver tree merge which includes loads of new IIO drivers
 	  and cleanups and additions
 	- PHY driver tree merge with new drivers and small updates to
 	  existing ones
 	- interconnect driver tree merge with fixes and updates
 	- soundwire driver tree merge with some small fixes
 	- coresight driver tree merge with small fixes and updates
 	- mhi bus driver tree merge with lots of updates and new device
 	  support
 	- firmware driver updates
 	- fpga driver updates
 	- lkdtm driver updates (with a merge conflict, more on that
 	  below)
 	- extcon driver tree merge with small updates
 	- lots of other tiny driver updates and fixes and cleanups, full
 	  details in the shortlog.
 
 All of these have been in linux-next for almost 2 weeks with no reported
 problems.
 
 Note, there are 3 merge conflicts when merging this with your tree:
 	- MAINTAINERS, should be easy to resolve
 	- drivers/slimbus/qcom-ctrl.c, should be straightforward
 	  resolution
 	- drivers/misc/lkdtm/stackleak.c, not an easy resolution.  This
 	  has been noted in the linux-next tree for a while, and
 	  resolved there, here's a link to the resolution that Stephen
 	  came up with and that Kees says is correct:
 	  	https://lore.kernel.org/r/20220509185344.3fe1a354@canb.auug.org.au
 
 I will be glad to provide a merge point that contains these resolutions
 if that makes things any easier for you.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc / other smaller driver subsystem updates from Greg KH:
 "Here is the large set of char, misc, and other driver subsystem
  updates for 5.19-rc1. The merge request for this has been delayed as I
  wanted to get lots of linux-next testing due to some late arrivals of
  changes for the habannalabs driver.

  Highlights of this merge are:

   - habanalabs driver updates for new hardware types and fixes and
     other updates

   - IIO driver tree merge which includes loads of new IIO drivers and
     cleanups and additions

   - PHY driver tree merge with new drivers and small updates to
     existing ones

   - interconnect driver tree merge with fixes and updates

   - soundwire driver tree merge with some small fixes

   - coresight driver tree merge with small fixes and updates

   - mhi bus driver tree merge with lots of updates and new device
     support

   - firmware driver updates

   - fpga driver updates

   - lkdtm driver updates (with a merge conflict, more on that below)

   - extcon driver tree merge with small updates

   - lots of other tiny driver updates and fixes and cleanups, full
     details in the shortlog.

  All of these have been in linux-next for almost 2 weeks with no
  reported problems"

* tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (387 commits)
  habanalabs: use separate structure info for each error collect data
  habanalabs: fix missing handle shift during mmap
  habanalabs: remove hdev from hl_ctx_get args
  habanalabs: do MMU prefetch as deferred work
  habanalabs: order memory manager messages
  habanalabs: return -EFAULT on copy_to_user error
  habanalabs: use NULL for eventfd
  habanalabs: update firmware header
  habanalabs: add support for notification via eventfd
  habanalabs: add topic to memory manager buffer
  habanalabs: handle race in driver fini
  habanalabs: add device memory scrub ability through debugfs
  habanalabs: use unified memory manager for CB flow
  habanalabs: unified memory manager new code for CB flow
  habanalabs/gaudi: set arbitration timeout to a high value
  habanalabs: add put by handle method to memory manager
  habanalabs: hide memory manager page shift
  habanalabs: Add separate poll interval value for protocol
  habanalabs: use get_task_pid() to take PID
  habanalabs: add prefetch flag to the MAP operation
  ...
2022-06-03 11:36:34 -07:00
Linus Torvalds
6f6ebb9899 sound fixes for 5.19-rc1
A collection of small fixes for 5.19 merge window.  Nothing particular
 stands out, as most changes are device-specific fixes and quirks.
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Merge tag 'sound-fix-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of small fixes for 5.19 merge window. Nothing particular
  stands out, as most changes are device-specific fixes and quirks"

* tag 'sound-fix-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  selftests: alsa: Handle pkg-config failure more gracefully
  ALSA: usb-audio: Optimize TEAC clock quirk
  ASoC: da7219: cancel AAD related work earlier for jack removal
  ASoC: da7219: Fix pole orientation detection on certain headsets
  ASoC: Intel: avs: Fix build error on arc, m68k and sparc
  ALSA: hda/realtek - Fix microphone noise on ASUS TUF B550M-PLUS
  ALSA: hda/via: Delete does not require return
  ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9520 laptop
  ASoC: Intel: common: fix typo for tplg naming
  ALSA: usb-audio: Cancel pending work at closing a MIDI substream
  ALSA: usb-audio: Add mixer mapping for Gigabyte B450/550 Mobos
  ASoC: rt5640: Do not manipulate pin "Platform Clock" if the "Platform Clock" is not in the DAPM
  ASoC: SOF: amd: Fixed Build error
  ASoC: fsl_sai: Fix FSL_SAI_xDR/xFR definition
  ASoC: soc-pcm: fix BE transition for TRIGGER_START
2022-06-03 09:56:53 -07:00
Linus Torvalds
58f9d52ff6 Networking fixes for 5.19-rc1, including fixes from bpf, and netfilter.
Current release - new code bugs:
 
  - af_packet: make sure to pull the MAC header, avoid skb panic in GSO
 
  - ptp_clockmatrix: fix inverted logic in is_single_shot()
 
  - netfilter: flowtable: fix missing FLOWI_FLAG_ANYSRC flag
 
  - dt-bindings: net: adin: fix adi,phy-output-clock description syntax
 
  - wifi: iwlwifi: pcie: rename CAUSE macro, avoid MIPS build warning
 
 Previous releases - regressions:
 
  - Revert "net: af_key: add check for pfkey_broadcast in function
    pfkey_process"
 
  - tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd
 
  - nf_tables: disallow non-stateful expression in sets earlier
 
  - nft_limit: clone packet limits' cost value
 
  - nf_tables: double hook unregistration in netns path
 
  - ping6: fix ping -6 with interface name
 
 Previous releases - always broken:
 
  - sched: fix memory barriers to prevent skbs from getting stuck
    in lockless qdiscs
 
  - neigh: set lower cap for neigh_managed_work rearming, avoid
    constantly scheduling the probe work
 
  - bpf: fix probe read error on big endian in ___bpf_prog_run()
 
  - amt: memory leak and error handling fixes
 
 Misc:
 
  - ipv6: expand & rename accept_unsolicited_na to accept_untracked_na
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf and netfilter.

  Current release - new code bugs:

   - af_packet: make sure to pull the MAC header, avoid skb panic in GSO

   - ptp_clockmatrix: fix inverted logic in is_single_shot()

   - netfilter: flowtable: fix missing FLOWI_FLAG_ANYSRC flag

   - dt-bindings: net: adin: fix adi,phy-output-clock description syntax

   - wifi: iwlwifi: pcie: rename CAUSE macro, avoid MIPS build warning

  Previous releases - regressions:

   - Revert "net: af_key: add check for pfkey_broadcast in function
     pfkey_process"

   - tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd

   - nf_tables: disallow non-stateful expression in sets earlier

   - nft_limit: clone packet limits' cost value

   - nf_tables: double hook unregistration in netns path

   - ping6: fix ping -6 with interface name

  Previous releases - always broken:

   - sched: fix memory barriers to prevent skbs from getting stuck in
     lockless qdiscs

   - neigh: set lower cap for neigh_managed_work rearming, avoid
     constantly scheduling the probe work

   - bpf: fix probe read error on big endian in ___bpf_prog_run()

   - amt: memory leak and error handling fixes

  Misc:

   - ipv6: expand & rename accept_unsolicited_na to accept_untracked_na"

* tag 'net-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (80 commits)
  net/af_packet: make sure to pull mac header
  net: add debug info to __skb_pull()
  net: CONFIG_DEBUG_NET depends on CONFIG_NET
  stmmac: intel: Add RPL-P PCI ID
  net: stmmac: use dev_err_probe() for reporting mdio bus registration failure
  tipc: check attribute length for bearer name
  ice: fix access-beyond-end in the switch code
  nfp: remove padding in nfp_nfdk_tx_desc
  ax25: Fix ax25 session cleanup problems
  net: usb: qmi_wwan: Add support for Cinterion MV31 with new baseline
  sfc/siena: fix wrong tx channel offset with efx_separate_tx_channels
  sfc/siena: fix considering that all channels have TX queues
  socket: Don't use u8 type in uapi socket.h
  net/sched: act_api: fix error code in tcf_ct_flow_table_fill_tuple_ipv6()
  net: ping6: Fix ping -6 with interface name
  macsec: fix UAF bug for real_dev
  octeontx2-af: fix error code in is_valid_offset()
  wifi: mac80211: fix use-after-free in chanctx code
  bonding: guard ns_targets by CONFIG_IPV6
  tcp: tcp_rtx_synack() can be called from process context
  ...
2022-06-02 12:50:16 -07:00
Cristian Marussi
78c09c0f4d kselftest/arm64: signal: Skip SVE signal test if not enough VLs supported
On platform where SVE is supported but there are less than 2 VLs available
the signal SVE change test should be skipped instead of failing.

Reported-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220524103149.2802-1-cristian.marussi@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-02 20:29:17 +01:00
Linus Torvalds
ca1dcc6d0c memblock: comment updates for memblock test suite
Update comments in the memblock tests so that they will have consistent
 style.
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Merge tag 'memblock-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock test suite updates from Mike Rapoport:
 "Comment updates for memblock test suite

  Update comments in the memblock tests so that they will have
  consistent style"

* tag 'memblock-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  memblock tests: remove completed TODO item
  memblock tests: update style of comments for memblock_free_*() functions
  memblock tests: update style of comments for memblock_remove_*() functions
  memblock tests: update style of comments for memblock_reserve_*() functions
  memblock tests: update style of comments for memblock_add_*() functions
2022-06-02 08:46:30 -07:00
Mark Brown
079d93b7db selftests: alsa: Handle pkg-config failure more gracefully
Follow the pattern used by other selftests like memfd and fall back on the
standard toolchain options to build with a system installed alsa-lib if
we don't get anything from pkg-config. This reduces our build dependencies
a bit in the common case while still allowing use of pkg-config in case
there is a need for it.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220531151337.2933810-1-broonie@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2022-05-31 18:02:18 +02:00
Arun Ajith S
3e0b8f529c net/ipv6: Expand and rename accept_unsolicited_na to accept_untracked_na
RFC 9131 changes default behaviour of handling RX of NA messages when the
corresponding entry is absent in the neighbour cache. The current
implementation is limited to accept just unsolicited NAs. However, the
RFC is more generic where it also accepts solicited NAs. Both types
should result in adding a STALE entry for this case.

Expand accept_untracked_na behaviour to also accept solicited NAs to
be compliant with the RFC and rename the sysctl knob to
accept_untracked_na.

Fixes: f9a2fb7331 ("net/ipv6: Introduce accept_unsolicited_na knob to implement router-side changes for RFC9131")
Signed-off-by: Arun Ajith S <aajith@arista.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20220530101414.65439-1-aajith@arista.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-05-31 11:36:57 +02:00
Linus Torvalds
73d15ba6ba Cleanups and fixes
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Merge tag 'mips_5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:
 "Cleanups and fixes"

* tag 'mips_5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (38 commits)
  MIPS: RALINK: Define pci_remap_iospace under CONFIG_PCI_DRIVERS_GENERIC
  MIPS: Use memblock_add_node() in early_parse_mem() under CONFIG_NUMA
  MIPS: Return -EINVAL if mem parameter is empty in early_parse_mem()
  MIPS: Kconfig: Fix indentation and add endif comment
  MIPS: bmips: Fix compiler warning observed on W=1 build
  MIPS: Rewrite `csum_tcpudp_nofold' in plain C
  mips: setup: use strscpy to replace strlcpy
  MIPS: Octeon: add SNIC10E board
  MIPS: Ingenic: Refresh defconfig for CU1000-Neo and CU1830-Neo.
  MIPS: Ingenic: Refresh device tree for Ingenic SoCs and boards.
  MIPS: Ingenic: Add PWM nodes for X1830.
  MIPS: Octeon: fix typo in comment
  MIPS: loongson32: Kconfig: Remove extra space
  MIPS: Sibyte: remove unnecessary return variable
  MIPS: Use NOKPROBE_SYMBOL() instead of __kprobes annotation
  selftests/ftrace: Save kprobe_events to test log
  MIPS: tools: no need to initialise statics to 0
  MIPS: Loongson: Use hwmon_device_register_with_groups() to register hwmon
  MIPS: VR41xx: Drop redundant spinlock initialization
  MIPS: smp: optimization for flush_tlb_mm when exiting
  ...
2022-05-30 11:01:50 -07:00
Linus Torvalds
6112bd00e8 powerpc updates for 5.19
- Convert to the generic mmap support (ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT).
 
  - Add support for outline-only KASAN with 64-bit Radix MMU (P9 or later).
 
  - Increase SIGSTKSZ and MINSIGSTKSZ and add support for AT_MINSIGSTKSZ.
 
  - Enable the DAWR (Data Address Watchpoint) on POWER9 DD2.3 or later.
 
  - Drop support for system call instruction emulation.
 
  - Many other small features and fixes.
 
 Thanks to: Alexey Kardashevskiy, Alistair Popple, Andy Shevchenko, Bagas Sanjaya, Bjorn
 Helgaas, Bo Liu, Chen Huang, Christophe Leroy, Colin Ian King, Daniel Axtens, Dwaipayan
 Ray, Fabiano Rosas, Finn Thain, Frank Rowand, Fuqian Huang, Guilherme G. Piccoli, Hangyu
 Hua, Haowen Bai, Haren Myneni, Hari Bathini, He Ying, Jason Wang, Jiapeng Chong, Jing
 Yangyang, Joel Stanley, Julia Lawall, Kajol Jain, Kevin Hao, Krzysztof Kozlowski, Laurent
 Dufour, Lv Ruyi, Madhavan Srinivasan, Magali Lemes, Miaoqian Lin, Minghao Chi, Nathan
 Chancellor, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Oscar Salvador, Pali Rohár,
 Paul Mackerras, Peng Wu, Qing Wang, Randy Dunlap, Reza Arbab, Russell Currey, Sohaib
 Mohamed, Vaibhav Jain, Vasant Hegde, Wang Qing, Wang Wensheng, Xiang wangx, Xiaomeng Tong,
 Xu Wang, Yang Guang, Yang Li, Ye Bin, YueHaibing, Yu Kuai, Zheng Bin, Zou Wei, Zucheng
 Zheng.
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Merge tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Convert to the generic mmap support (ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT)

 - Add support for outline-only KASAN with 64-bit Radix MMU (P9 or later)

 - Increase SIGSTKSZ and MINSIGSTKSZ and add support for AT_MINSIGSTKSZ

 - Enable the DAWR (Data Address Watchpoint) on POWER9 DD2.3 or later

 - Drop support for system call instruction emulation

 - Many other small features and fixes

Thanks to Alexey Kardashevskiy, Alistair Popple, Andy Shevchenko, Bagas
Sanjaya, Bjorn Helgaas, Bo Liu, Chen Huang, Christophe Leroy, Colin Ian
King, Daniel Axtens, Dwaipayan Ray, Fabiano Rosas, Finn Thain, Frank
Rowand, Fuqian Huang, Guilherme G. Piccoli, Hangyu Hua, Haowen Bai,
Haren Myneni, Hari Bathini, He Ying, Jason Wang, Jiapeng Chong, Jing
Yangyang, Joel Stanley, Julia Lawall, Kajol Jain, Kevin Hao, Krzysztof
Kozlowski, Laurent Dufour, Lv Ruyi, Madhavan Srinivasan, Magali Lemes,
Miaoqian Lin, Minghao Chi, Nathan Chancellor, Naveen N. Rao, Nicholas
Piggin, Oliver O'Halloran, Oscar Salvador, Pali Rohár, Paul Mackerras,
Peng Wu, Qing Wang, Randy Dunlap, Reza Arbab, Russell Currey, Sohaib
Mohamed, Vaibhav Jain, Vasant Hegde, Wang Qing, Wang Wensheng, Xiang
wangx, Xiaomeng Tong, Xu Wang, Yang Guang, Yang Li, Ye Bin, YueHaibing,
Yu Kuai, Zheng Bin, Zou Wei, and Zucheng Zheng.

* tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (200 commits)
  powerpc/64: Include cache.h directly in paca.h
  powerpc/64s: Only set HAVE_ARCH_UNMAPPED_AREA when CONFIG_PPC_64S_HASH_MMU is set
  powerpc/xics: Include missing header
  powerpc/powernv/pci: Drop VF MPS fixup
  powerpc/fsl_book3e: Don't set rodata RO too early
  powerpc/microwatt: Add mmu bits to device tree
  powerpc/powernv/flash: Check OPAL flash calls exist before using
  powerpc/powermac: constify device_node in of_irq_parse_oldworld()
  powerpc/powermac: add missing g5_phy_disable_cpu1() declaration
  selftests/powerpc/pmu: fix spelling mistake "mis-match" -> "mismatch"
  powerpc: Enable the DAWR on POWER9 DD2.3 and above
  powerpc/64s: Add CPU_FTRS_POWER10 to ALWAYS mask
  powerpc/64s: Add CPU_FTRS_POWER9_DD2_2 to CPU_FTRS_ALWAYS mask
  powerpc: Fix all occurences of "the the"
  selftests/powerpc/pmu/ebb: remove fixed_instruction.S
  powerpc/platforms/83xx: Use of_device_get_match_data()
  powerpc/eeh: Drop redundant spinlock initialization
  powerpc/iommu: Add missing of_node_put in iommu_init_early_dart
  powerpc/pseries/vas: Call misc_deregister if sysfs init fails
  powerpc/papr_scm: Fix leaking nvdimm_events_map elements
  ...
2022-05-28 11:27:17 -07:00
Linus Torvalds
9d004b2f4f cxl for 5.19
- Add driver-core infrastructure for lockdep validation of
   device_lock(), and fixup a deadlock report that was previously hidden
   behind the 'lockdep no validate' policy.
 
 - Add CXL _OSC support for claiming native control of CXL hotplug and
   error handling.
 
 - Disable suspend in the presence of CXL memory unless and until a
   protocol is identified for restoring PCI device context from memory
   hosted on CXL PCI devices.
 
 - Add support for snooping CXL mailbox commands to protect against
   inopportune changes, like set-partition with the 'immediate' flag set.
 
 - Rework how the driver detects legacy CXL 1.1 configurations (CXL DVSEC
   / 'mem_enable') before enabling new CXL 2.0 decode configurations (CXL
   HDM Capability).
 
 - Miscellaneous cleanups and fixes from -next exposure.
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Merge tag 'cxl-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull cxl updates from Dan Williams:
 "Compute Express Link (CXL) updates for this cycle.

  The highlight is new driver-core infrastructure and CXL subsystem
  changes for allowing lockdep to validate device_lock() usage. Thanks
  to PeterZ for setting me straight on the current capabilities of the
  lockdep API, and Greg acked it as well.

  On the CXL ACPI side this update adds support for CXL _OSC so that
  platform firmware knows that it is safe to still grant Linux native
  control of PCIe hotplug and error handling in the presence of CXL
  devices. A circular dependency problem was discovered between suspend
  and CXL memory for cases where the suspend image might be stored in
  CXL memory where that image also contains the PCI register state to
  restore to re-enable the device. Disable suspend for now until an
  architecture is defined to clarify that conflict.

  Lastly a collection of reworks, fixes, and cleanups to the CXL
  subsystem where support for snooping mailbox commands and properly
  handling the "mem_enable" flow are the highlights.

  Summary:

   - Add driver-core infrastructure for lockdep validation of
     device_lock(), and fixup a deadlock report that was previously
     hidden behind the 'lockdep no validate' policy.

   - Add CXL _OSC support for claiming native control of CXL hotplug and
     error handling.

   - Disable suspend in the presence of CXL memory unless and until a
     protocol is identified for restoring PCI device context from memory
     hosted on CXL PCI devices.

   - Add support for snooping CXL mailbox commands to protect against
     inopportune changes, like set-partition with the 'immediate' flag
     set.

   - Rework how the driver detects legacy CXL 1.1 configurations (CXL
     DVSEC / 'mem_enable') before enabling new CXL 2.0 decode
     configurations (CXL HDM Capability).

   - Miscellaneous cleanups and fixes from -next exposure"

* tag 'cxl-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (47 commits)
  cxl/port: Enable HDM Capability after validating DVSEC Ranges
  cxl/port: Reuse 'struct cxl_hdm' context for hdm init
  cxl/port: Move endpoint HDM Decoder Capability init to port driver
  cxl/pci: Drop @info argument to cxl_hdm_decode_init()
  cxl/mem: Merge cxl_dvsec_ranges() and cxl_hdm_decode_init()
  cxl/mem: Skip range enumeration if mem_enable clear
  cxl/mem: Consolidate CXL DVSEC Range enumeration in the core
  cxl/pci: Move cxl_await_media_ready() to the core
  cxl/mem: Validate port connectivity before dvsec ranges
  cxl/mem: Fix cxl_mem_probe() error exit
  cxl/pci: Drop wait_for_valid() from cxl_await_media_ready()
  cxl/pci: Consolidate wait_for_media() and wait_for_media_ready()
  cxl/mem: Drop mem_enabled check from wait_for_media()
  nvdimm: Fix firmware activation deadlock scenarios
  device-core: Kill the lockdep_mutex
  nvdimm: Drop nd_device_lock()
  ACPI: NFIT: Drop nfit_device_lock()
  nvdimm: Replace lockdep_mutex with local lock classes
  cxl: Drop cxl_device_lock()
  cxl/acpi: Add root device lockdep validation
  ...
2022-05-27 21:24:19 -07:00
Linus Torvalds
d075c0c1be This update includes the following changes:
API:
 
 - Test in-place en/decryption with two sglists in testmgr.
 - Fix process vs. softirq race in cryptd.
 
 Algorithms:
 
 - Add arm64 acceleration for sm4.
 - Add s390 acceleration for chacha20.
 
 Drivers:
 
 - Add polarfire soc hwrng support in mpsf.
 - Add support for TI SoC AM62x in sa2ul.
 - Add support for ATSHA204 cryptochip in atmel-sha204a.
 - Add support for PRNG in caam.
 - Restore support for storage encryption in qat.
 - Restore support for storage encryption in hisilicon/sec.
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Merge tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:

   - Test in-place en/decryption with two sglists in testmgr

   - Fix process vs softirq race in cryptd

  Algorithms:

   - Add arm64 acceleration for sm4

   - Add s390 acceleration for chacha20

  Drivers:

   - Add polarfire soc hwrng support in mpsf

   - Add support for TI SoC AM62x in sa2ul

   - Add support for ATSHA204 cryptochip in atmel-sha204a

   - Add support for PRNG in caam

   - Restore support for storage encryption in qat

   - Restore support for storage encryption in hisilicon/sec"

* tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (116 commits)
  hwrng: omap3-rom - fix using wrong clk_disable() in omap_rom_rng_runtime_resume()
  crypto: hisilicon/sec - delete the flag CRYPTO_ALG_ALLOCATES_MEMORY
  crypto: qat - add support for 401xx devices
  crypto: qat - re-enable registration of algorithms
  crypto: qat - honor CRYPTO_TFM_REQ_MAY_SLEEP flag
  crypto: qat - add param check for DH
  crypto: qat - add param check for RSA
  crypto: qat - remove dma_free_coherent() for DH
  crypto: qat - remove dma_free_coherent() for RSA
  crypto: qat - fix memory leak in RSA
  crypto: qat - add backlog mechanism
  crypto: qat - refactor submission logic
  crypto: qat - use pre-allocated buffers in datapath
  crypto: qat - set to zero DH parameters before free
  crypto: s390 - add crypto library interface for ChaCha20
  crypto: talitos - Uniform coding style with defined variable
  crypto: octeontx2 - simplify the return expression of otx2_cpt_aead_cbc_aes_sha_setkey()
  crypto: cryptd - Protect per-CPU resource by disabling BH.
  crypto: sun8i-ce - do not fallback if cryptlen is less than sg length
  crypto: sun8i-ce - rework debugging
  ...
2022-05-27 18:06:49 -07:00
Linus Torvalds
35cdd8656e libnvdimm for 5.19
- Add support for clearing memory error via pwrite(2) on DAX
 
 - Fix 'security overwrite' support in the presence of media errors
 
 - Miscellaneous cleanups and fixes for nfit_test (nvdimm unit tests)
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Merge tag 'libnvdimm-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm and DAX updates from Dan Williams:
 "New support for clearing memory errors when a file is in DAX mode,
  alongside with some other fixes and cleanups.

  Previously it was only possible to clear these errors using a truncate
  or hole-punch operation to trigger the filesystem to reallocate the
  block, now, any page aligned write can opportunistically clear errors
  as well.

  This change spans x86/mm, nvdimm, and fs/dax, and has received the
  appropriate sign-offs. Thanks to Jane for her work on this.

  Summary:

   - Add support for clearing memory error via pwrite(2) on DAX

   - Fix 'security overwrite' support in the presence of media errors

   - Miscellaneous cleanups and fixes for nfit_test (nvdimm unit tests)"

* tag 'libnvdimm-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  pmem: implement pmem_recovery_write()
  pmem: refactor pmem_clear_poison()
  dax: add .recovery_write dax_operation
  dax: introduce DAX_RECOVERY_WRITE dax access mode
  mce: fix set_mce_nospec to always unmap the whole page
  x86/mce: relocate set{clear}_mce_nospec() functions
  acpi/nfit: rely on mce->misc to determine poison granularity
  testing: nvdimm: asm/mce.h is not needed in nfit.c
  testing: nvdimm: iomap: make __nfit_test_ioremap a macro
  nvdimm: Allow overwrite in the presence of disabled dimms
  tools/testing/nvdimm: remove unneeded flush_workqueue
2022-05-27 15:49:30 -07:00
Linus Torvalds
8291eaafed Two followon fixes for the post-5.19 series "Use pageblock_order for cma
and alloc_contig_range alignment", from Zi Yan.
 
 A series of z3fold cleanups and fixes from Miaohe Lin.
 
 Some memcg selftests work from Michal Koutný <mkoutny@suse.com>
 
 Some swap fixes and cleanups from Miaohe Lin.
 
 Several individual minor fixups.
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Merge tag 'mm-stable-2022-05-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more MM updates from Andrew Morton:

 - Two follow-on fixes for the post-5.19 series "Use pageblock_order for
   cma and alloc_contig_range alignment", from Zi Yan.

 - A series of z3fold cleanups and fixes from Miaohe Lin.

 - Some memcg selftests work from Michal Koutný <mkoutny@suse.com>

 - Some swap fixes and cleanups from Miaohe Lin

 - Several individual minor fixups

* tag 'mm-stable-2022-05-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (25 commits)
  mm/shmem.c: suppress shift warning
  mm: Kconfig: reorganize misplaced mm options
  mm: kasan: fix input of vmalloc_to_page()
  mm: fix is_pinnable_page against a cma page
  mm: filter out swapin error entry in shmem mapping
  mm/shmem: fix infinite loop when swap in shmem error at swapoff time
  mm/madvise: free hwpoison and swapin error entry in madvise_free_pte_range
  mm/swapfile: fix lost swap bits in unuse_pte()
  mm/swapfile: unuse_pte can map random data if swap read fails
  selftests: memcg: factor out common parts of memory.{low,min} tests
  selftests: memcg: remove protection from top level memcg
  selftests: memcg: adjust expected reclaim values of protected cgroups
  selftests: memcg: expect no low events in unprotected sibling
  selftests: memcg: fix compilation
  mm/z3fold: fix z3fold_page_migrate races with z3fold_map
  mm/z3fold: fix z3fold_reclaim_page races with z3fold_free
  mm/z3fold: always clear PAGE_CLAIMED under z3fold page lock
  mm/z3fold: put z3fold page back into unbuddied list when reclaim or migration fails
  revert "mm/z3fold.c: allow __GFP_HIGHMEM in z3fold_alloc"
  mm/z3fold: throw warning on failure of trylock_page in z3fold_alloc
  ...
2022-05-27 11:40:49 -07:00
Michal Koutný
f079a020ba selftests: memcg: factor out common parts of memory.{low,min} tests
The memory protection test setup and runtime is almost equal for
memory.low and memory.min cases.

It makes modification of the common parts prone to mistakes, since the
protections are similar not only in setup but also in principle, factor
the common part out.

Past exceptions between the tests:
- missing memory.min is fine (kept),
- test_memcg_low protected orphaned pagecache (adapted like
  test_memcg_min and we keep the processes of protected memory running).

The evaluation in two tests is different (OOM of allocator vs low events
of protégés), this is kept different.

Link: https://lkml.kernel.org/r/20220518161859.21565-6-mkoutny@suse.com
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
CC: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Richard Palethorpe <rpalethorpe@suse.de>
Cc: David Vernet <void@manifault.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-27 09:33:45 -07:00
Michal Koutný
6a35919005 selftests: memcg: remove protection from top level memcg
The reclaim is triggered by memory limit in a subtree, therefore the
testcase does not need configured protection against external reclaim.

Also, correct respective comments.

Link: https://lkml.kernel.org/r/20220518161859.21565-5-mkoutny@suse.com
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Cc: David Vernet <void@manifault.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Richard Palethorpe <rpalethorpe@suse.de>
Cc: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-27 09:33:45 -07:00
Michal Koutný
f10b6e9a8e selftests: memcg: adjust expected reclaim values of protected cgroups
The numbers are not easy to derive in a closed form (certainly mere
protections ratios do not apply), therefore use a simulation to obtain
expected numbers.

Link: https://lkml.kernel.org/r/20220518161859.21565-4-mkoutny@suse.com
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Cc: David Vernet <void@manifault.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Richard Palethorpe <rpalethorpe@suse.de>
Cc: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-27 09:33:45 -07:00
Michal Koutný
1d09069f53 selftests: memcg: expect no low events in unprotected sibling
This is effectively a revert of commit cdc69458a5 ("cgroup: account for
memory_recursiveprot in test_memcg_low()").  The case test_memcg_low will
fail with memory_recursiveprot until resolved in reclaim code.

However, this patch preserves the existing helpers and variables for later
uses.

Link: https://lkml.kernel.org/r/20220518161859.21565-3-mkoutny@suse.com
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Reviewed-by: David Vernet <void@manifault.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Richard Palethorpe <rpalethorpe@suse.de>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-27 09:33:45 -07:00
Michal Koutný
ff3b72a5d6 selftests: memcg: fix compilation
Patch series "memcontrol selftests fixups", v2.

Flushing the patches to make memcontrol selftests check the events
behavior we had consensus about (test_memcg_low fails).

(test_memcg_reclaim, test_memcg_swap_max fail for me now but it's present
even before the refactoring.)

The two bigger changes are:
- adjustment of the protected values to make tests succeed with the given
  tolerance,
- both test_memcg_low and test_memcg_min check protection of memory in
  populated cgroups (actually as per Documentation/admin-guide/cgroup-v2.rst
  memory.min should not apply to empty cgroups, which is not the case
  currently. Therefore I unified tests with the populated case in order to to
  bring more broken tests).


This patch (of 5):

This fixes mis-applied changes from commit 72b1e03aa7 ("cgroup: account
for memory_localevents in test_memcg_oom_group_leaf_events()").

Link: https://lkml.kernel.org/r/20220518161859.21565-1-mkoutny@suse.com
Link: https://lkml.kernel.org/r/20220518161859.21565-2-mkoutny@suse.com
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Reviewed-by: David Vernet <void@manifault.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Richard Palethorpe <rpalethorpe@suse.de>
Cc: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-27 09:33:44 -07:00
Song Liu
59ed76fe2f selftests/bpf: fix stacktrace_build_id with missing kprobe/urandom_read
Kernel function urandom_read is replaced with urandom_read_iter.
Therefore, kprobe on urandom_read is not working any more:

[root@eth50-1 bpf]# ./test_progs -n 161
test_stacktrace_build_id:PASS:skel_open_and_load 0 nsec
libbpf: kprobe perf_event_open() failed: No such file or directory
libbpf: prog 'oncpu': failed to create kprobe 'urandom_read+0x0' \
        perf event: No such file or directory
libbpf: prog 'oncpu': failed to auto-attach: -2
test_stacktrace_build_id:FAIL:attach_tp err -2
161     stacktrace_build_id:FAIL

Fix this by replacing urandom_read with urandom_read_iter in the test.

Fixes: 1b388e7765 ("random: convert to using fops->read_iter()")
Reported-by: Mykola Lysenko <mykolal@fb.com>
Signed-off-by: Song Liu <song@kernel.org>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20220526191608.2364049-1-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-05-27 07:57:25 -07:00
Linus Torvalds
bf9095424d S390:
* ultravisor communication device driver
 
 * fix TEID on terminating storage key ops
 
 RISC-V:
 
 * Added Sv57x4 support for G-stage page table
 
 * Added range based local HFENCE functions
 
 * Added remote HFENCE functions based on VCPU requests
 
 * Added ISA extension registers in ONE_REG interface
 
 * Updated KVM RISC-V maintainers entry to cover selftests support
 
 ARM:
 
 * Add support for the ARMv8.6 WFxT extension
 
 * Guard pages for the EL2 stacks
 
 * Trap and emulate AArch32 ID registers to hide unsupported features
 
 * Ability to select and save/restore the set of hypercalls exposed
   to the guest
 
 * Support for PSCI-initiated suspend in collaboration with userspace
 
 * GICv3 register-based LPI invalidation support
 
 * Move host PMU event merging into the vcpu data structure
 
 * GICv3 ITS save/restore fixes
 
 * The usual set of small-scale cleanups and fixes
 
 x86:
 
 * New ioctls to get/set TSC frequency for a whole VM
 
 * Allow userspace to opt out of hypercall patching
 
 * Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
 
 AMD SEV improvements:
 
 * Add KVM_EXIT_SHUTDOWN metadata for SEV-ES
 
 * V_TSC_AUX support
 
 Nested virtualization improvements for AMD:
 
 * Support for "nested nested" optimizations (nested vVMLOAD/VMSAVE,
   nested vGIF)
 
 * Allow AVIC to co-exist with a nested guest running
 
 * Fixes for LBR virtualizations when a nested guest is running,
   and nested LBR virtualization support
 
 * PAUSE filtering for nested hypervisors
 
 Guest support:
 
 * Decoupling of vcpu_is_preempted from PV spinlocks
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "S390:

   - ultravisor communication device driver

   - fix TEID on terminating storage key ops

  RISC-V:

   - Added Sv57x4 support for G-stage page table

   - Added range based local HFENCE functions

   - Added remote HFENCE functions based on VCPU requests

   - Added ISA extension registers in ONE_REG interface

   - Updated KVM RISC-V maintainers entry to cover selftests support

  ARM:

   - Add support for the ARMv8.6 WFxT extension

   - Guard pages for the EL2 stacks

   - Trap and emulate AArch32 ID registers to hide unsupported features

   - Ability to select and save/restore the set of hypercalls exposed to
     the guest

   - Support for PSCI-initiated suspend in collaboration with userspace

   - GICv3 register-based LPI invalidation support

   - Move host PMU event merging into the vcpu data structure

   - GICv3 ITS save/restore fixes

   - The usual set of small-scale cleanups and fixes

  x86:

   - New ioctls to get/set TSC frequency for a whole VM

   - Allow userspace to opt out of hypercall patching

   - Only do MSR filtering for MSRs accessed by rdmsr/wrmsr

  AMD SEV improvements:

   - Add KVM_EXIT_SHUTDOWN metadata for SEV-ES

   - V_TSC_AUX support

  Nested virtualization improvements for AMD:

   - Support for "nested nested" optimizations (nested vVMLOAD/VMSAVE,
     nested vGIF)

   - Allow AVIC to co-exist with a nested guest running

   - Fixes for LBR virtualizations when a nested guest is running, and
     nested LBR virtualization support

   - PAUSE filtering for nested hypervisors

  Guest support:

   - Decoupling of vcpu_is_preempted from PV spinlocks"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (199 commits)
  KVM: x86: Fix the intel_pt PMI handling wrongly considered from guest
  KVM: selftests: x86: Sync the new name of the test case to .gitignore
  Documentation: kvm: reorder ARM-specific section about KVM_SYSTEM_EVENT_SUSPEND
  x86, kvm: use correct GFP flags for preemption disabled
  KVM: LAPIC: Drop pending LAPIC timer injection when canceling the timer
  x86/kvm: Alloc dummy async #PF token outside of raw spinlock
  KVM: x86: avoid calling x86 emulator without a decoded instruction
  KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak
  x86/fpu: KVM: Set the base guest FPU uABI size to sizeof(struct kvm_xsave)
  s390/uv_uapi: depend on CONFIG_S390
  KVM: selftests: x86: Fix test failure on arch lbr capable platforms
  KVM: LAPIC: Trace LAPIC timer expiration on every vmentry
  KVM: s390: selftest: Test suppression indication on key prot exception
  KVM: s390: Don't indicate suppression on dirtying, failing memop
  selftests: drivers/s390x: Add uvdevice tests
  drivers/s390/char: Add Ultravisor io device
  MAINTAINERS: Update KVM RISC-V entry to cover selftests support
  RISC-V: KVM: Introduce ISA extension register
  RISC-V: KVM: Cleanup stale TLB entries when host CPU changes
  RISC-V: KVM: Add remote HFENCE functions based on VCPU requests
  ...
2022-05-26 14:20:14 -07:00
Linus Torvalds
98931dd95f Yang Shi has improved the behaviour of khugepaged collapsing of readonly
file-backed transparent hugepages.
 
 Johannes Weiner has arranged for zswap memory use to be tracked and
 managed on a per-cgroup basis.
 
 Munchun Song adds a /proc knob ("hugetlb_optimize_vmemmap") for runtime
 enablement of the recent huge page vmemmap optimization feature.
 
 Baolin Wang contributes a series to fix some issues around hugetlb
 pagetable invalidation.
 
 Zhenwei Pi has fixed some interactions between hwpoisoned pages and
 virtualization.
 
 Tong Tiangen has enabled the use of the presently x86-only
 page_table_check debugging feature on arm64 and riscv.
 
 David Vernet has done some fixup work on the memcg selftests.
 
 Peter Xu has taught userfaultfd to handle write protection faults against
 shmem- and hugetlbfs-backed files.
 
 More DAMON development from SeongJae Park - adding online tuning of the
 feature and support for monitoring of fixed virtual address ranges.  Also
 easier discovery of which monitoring operations are available.
 
 Nadav Amit has done some optimization of TLB flushing during mprotect().
 
 Neil Brown continues to labor away at improving our swap-over-NFS support.
 
 David Hildenbrand has some fixes to anon page COWing versus
 get_user_pages().
 
 Peng Liu fixed some errors in the core hugetlb code.
 
 Joao Martins has reduced the amount of memory consumed by device-dax's
 compound devmaps.
 
 Some cleanups of the arch-specific pagemap code from Anshuman Khandual.
 
 Muchun Song has found and fixed some errors in the TLB flushing of
 transparent hugepages.
 
 Roman Gushchin has done more work on the memcg selftests.
 
 And, of course, many smaller fixes and cleanups.  Notably, the customary
 million cleanup serieses from Miaohe Lin.
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Merge tag 'mm-stable-2022-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:
 "Almost all of MM here. A few things are still getting finished off,
  reviewed, etc.

   - Yang Shi has improved the behaviour of khugepaged collapsing of
     readonly file-backed transparent hugepages.

   - Johannes Weiner has arranged for zswap memory use to be tracked and
     managed on a per-cgroup basis.

   - Munchun Song adds a /proc knob ("hugetlb_optimize_vmemmap") for
     runtime enablement of the recent huge page vmemmap optimization
     feature.

   - Baolin Wang contributes a series to fix some issues around hugetlb
     pagetable invalidation.

   - Zhenwei Pi has fixed some interactions between hwpoisoned pages and
     virtualization.

   - Tong Tiangen has enabled the use of the presently x86-only
     page_table_check debugging feature on arm64 and riscv.

   - David Vernet has done some fixup work on the memcg selftests.

   - Peter Xu has taught userfaultfd to handle write protection faults
     against shmem- and hugetlbfs-backed files.

   - More DAMON development from SeongJae Park - adding online tuning of
     the feature and support for monitoring of fixed virtual address
     ranges. Also easier discovery of which monitoring operations are
     available.

   - Nadav Amit has done some optimization of TLB flushing during
     mprotect().

   - Neil Brown continues to labor away at improving our swap-over-NFS
     support.

   - David Hildenbrand has some fixes to anon page COWing versus
     get_user_pages().

   - Peng Liu fixed some errors in the core hugetlb code.

   - Joao Martins has reduced the amount of memory consumed by
     device-dax's compound devmaps.

   - Some cleanups of the arch-specific pagemap code from Anshuman
     Khandual.

   - Muchun Song has found and fixed some errors in the TLB flushing of
     transparent hugepages.

   - Roman Gushchin has done more work on the memcg selftests.

  ... and, of course, many smaller fixes and cleanups. Notably, the
  customary million cleanup serieses from Miaohe Lin"

* tag 'mm-stable-2022-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (381 commits)
  mm: kfence: use PAGE_ALIGNED helper
  selftests: vm: add the "settings" file with timeout variable
  selftests: vm: add "test_hmm.sh" to TEST_FILES
  selftests: vm: check numa_available() before operating "merge_across_nodes" in ksm_tests
  selftests: vm: add migration to the .gitignore
  selftests/vm/pkeys: fix typo in comment
  ksm: fix typo in comment
  selftests: vm: add process_mrelease tests
  Revert "mm/vmscan: never demote for memcg reclaim"
  mm/kfence: print disabling or re-enabling message
  include/trace/events/percpu.h: cleanup for "percpu: improve percpu_alloc_percpu event trace"
  include/trace/events/mmflags.h: cleanup for "tracing: incorrect gfp_t conversion"
  mm: fix a potential infinite loop in start_isolate_page_range()
  MAINTAINERS: add Muchun as co-maintainer for HugeTLB
  zram: fix Kconfig dependency warning
  mm/shmem: fix shmem folio swapoff hang
  cgroup: fix an error handling path in alloc_pagecache_max_30M()
  mm: damon: use HPAGE_PMD_SIZE
  tracing: incorrect isolate_mote_t cast in mm_vmscan_lru_isolate
  nodemask.h: fix compilation error with GCC12
  ...
2022-05-26 12:32:41 -07:00
luyun
215cd9897a selftests/net: enable lo.accept_local in psock_snd test
The psock_snd test sends and receives packets over loopback, and
the test results depend on parameter settings:
Set rp_filter=0,
or set rp_filter=1 and accept_local=1
so that the test will pass. Otherwise, this test will fail with
Resource temporarily unavailable:
sudo ./psock_snd.sh
dgram
tx: 128
rx: 142
./psock_snd: recv: Resource temporarily unavailable

For most distro kernel releases(like Ubuntu or Centos), the parameter
rp_filter is enabled by default, so it's necessary to enable the
parameter lo.accept_local in psock_snd test. And this test runs
inside a netns, changing a sysctl is fine.

Signed-off-by: luyun <luyun@kylinos.cn>
Reviewed-by: Jackie Liu <liuyun01@kylinos.cn>
Tested-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20220525031819.866684-1-luyun_611@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-25 21:58:35 -07:00
Linus Torvalds
d7227785e3 sound updates for 5.19-rc1
Not much dramatic changes at this time, but we've received quite
 a lot of changes for ASoC, while there are still a few fixes and
 quirks for usual HD- and USB-auido.  Here are some highlights.
 
 * ASoC:
 - Overhaul of endianness specification for data formats, avoiding
   needless restrictions due to CODECs
 - Initial stages of Intel AVS driver merge
 - Introduction of v4 IPC mechanism for SOF
 - TDM mode support for AK4613
 - Support for Analog Devices ADAU1361, Cirrus Logic CS35L45, Maxim
   MAX98396, MediaTek MT8186, NXP i.MX8 micfil and SAI interfaces,
   nVidia Tegra186 ASRC, and Texas Instruments TAS2764 and TAS2780
 
 * Others
 - A few regression fixes after the USB-audio endpoint management
   refactoring
 - More enhancements for Cirrus HD-audio codec support (still ongoing)
 - Addition of generic serial MIDI driver
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Merge tag 'sound-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "Not much dramatic changes at this time, but we've received quite a lot
  of changes for ASoC, while there are still a few fixes and quirks for
  usual HD- and USB-auido. Here are some highlights.

  ASoC:

   - Overhaul of endianness specification for data formats, avoiding
     needless restrictions due to CODECs

   - Initial stages of Intel AVS driver merge

   - Introduction of v4 IPC mechanism for SOF

   - TDM mode support for AK4613

   - Support for Analog Devices ADAU1361, Cirrus Logic CS35L45, Maxim
     MAX98396, MediaTek MT8186, NXP i.MX8 micfil and SAI interfaces,
     nVidia Tegra186 ASRC, and Texas Instruments TAS2764 and TAS2780

  Others:

   - A few regression fixes after the USB-audio endpoint management
     refactoring

   - More enhancements for Cirrus HD-audio codec support (still ongoing)

   - Addition of generic serial MIDI driver"

* tag 'sound-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (504 commits)
  ALSA: hda/realtek - Add new type for ALC245
  ALSA: usb-audio: Configure sync endpoints before data
  ALSA: ctxfi: fix typo in comment
  ALSA: cs5535audio: fix typo in comment
  ALSA: ctxfi: Add SB046x PCI ID
  ALSA: usb-audio: Add missing ep_idx in fixed EP quirks
  ALSA: usb-audio: Workaround for clock setup on TEAC devices
  ALSA: lola: Bounds check loop iterator against streams array size
  ASoC: max98090: Move check for invalid values before casting in max98090_put_enab_tlv()
  ASoC: rt1308-sdw: add the default value of register 0xc320
  ASoC: rt9120: Use pm_runtime and regcache to optimize 'pwdnn' logic
  ASoC: rt9120: Fix 3byte read, valule offset typo
  ASoC: amd: acp: Set Speaker enable/disable pin through rt1019 codec driver.
  ASoC: amd: acp: Set Speaker enable/disable pin through rt1019 codec driver
  ASoC: wm2000: fix missing clk_disable_unprepare() on error in wm2000_anc_transition()
  ASoC: codecs: lpass: Fix passing zero to 'PTR_ERR'
  ASoC: SOF: sof-client-ipc-flood-test: use pm_runtime_resume_and_get()
  ASoC: SOF: mediatek: remove duplicate include in mt8195.c
  ASoC: SOF: mediatek: Add mt8195 debug dump
  ASoC: SOF: mediatek: Add mediatek common debug dump
  ...
2022-05-25 16:55:16 -07:00
Linus Torvalds
7e062cda7d Networking changes for 5.19.
Core
 ----
 
  - Support TCPv6 segmentation offload with super-segments larger than
    64k bytes using the IPv6 Jumbogram extension header (AKA BIG TCP).
 
  - Generalize skb freeing deferral to per-cpu lists, instead of
    per-socket lists.
 
  - Add a netdev statistic for packets dropped due to L2 address
    mismatch (rx_otherhost_dropped).
 
  - Continue work annotating skb drop reasons.
 
  - Accept alternative netdev names (ALT_IFNAME) in more netlink
    requests.
 
  - Add VLAN support for AF_PACKET SOCK_RAW GSO.
 
  - Allow receiving skb mark from the socket as a cmsg.
 
  - Enable memcg accounting for veth queues, sysctl tables and IPv6.
 
 BPF
 ---
 
  - Add libbpf support for User Statically-Defined Tracing (USDTs).
 
  - Speed up symbol resolution for kprobes multi-link attachments.
 
  - Support storing typed pointers to referenced and unreferenced
    objects in BPF maps.
 
  - Add support for BPF link iterator.
 
  - Introduce access to remote CPU map elements in BPF per-cpu map.
 
  - Allow middle-of-the-road settings for the
    kernel.unprivileged_bpf_disabled sysctl.
 
  - Implement basic types of dynamic pointers e.g. to allow for
    dynamically sized ringbuf reservations without extra memory copies.
 
 Protocols
 ---------
 
  - Retire port only listening_hash table, add a second bind table
    hashed by port and address. Avoid linear list walk when binding
    to very popular ports (e.g. 443).
 
  - Add bridge FDB bulk flush filtering support allowing user space
    to remove all FDB entries matching a condition.
 
  - Introduce accept_unsolicited_na sysctl for IPv6 to implement
    router-side changes for RFC9131.
 
  - Support for MPTCP path manager in user space.
 
  - Add MPTCP support for fallback to regular TCP for connections
    that have never connected additional subflows or transmitted
    out-of-sequence data (partial support for RFC8684 fallback).
 
  - Avoid races in MPTCP-level window tracking, stabilize and improve
    throughput.
 
  - Support lockless operation of GRE tunnels with seq numbers enabled.
 
  - WiFi support for host based BSS color collision detection.
 
  - Add support for SO_TXTIME/SCM_TXTIME on CAN sockets.
 
  - Support transmission w/o flow control in CAN ISOTP (ISO 15765-2).
 
  - Support zero-copy Tx with TLS 1.2 crypto offload (sendfile).
 
  - Allow matching on the number of VLAN tags via tc-flower.
 
  - Add tracepoint for tcp_set_ca_state().
 
 Driver API
 ----------
 
  - Improve error reporting from classifier and action offload.
 
  - Add support for listing line cards in switches (devlink).
 
  - Add helpers for reporting page pool statistics with ethtool -S.
 
  - Add support for reading clock cycles when using PTP virtual clocks,
    instead of having the driver convert to time before reporting.
    This makes it possible to report time from different vclocks.
 
  - Support configuring low-latency Tx descriptor push via ethtool.
 
  - Separate Clause 22 and Clause 45 MDIO accesses more explicitly.
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - Marvell's Octeon NIC PCI Endpoint support (octeon_ep)
    - Sunplus SP7021 SoC (sp7021_emac)
    - Add support for Renesas RZ/V2M (in ravb)
    - Add support for MediaTek mt7986 switches (in mtk_eth_soc)
 
  - Ethernet PHYs:
    - ADIN1100 industrial PHYs (w/ 10BASE-T1L and SQI reporting)
    - TI DP83TD510 PHY
    - Microchip LAN8742/LAN88xx PHYs
 
  - WiFi:
    - Driver for pureLiFi X, XL, XC devices (plfxlc)
    - Driver for Silicon Labs devices (wfx)
    - Support for WCN6750 (in ath11k)
    - Support Realtek 8852ce devices (in rtw89)
 
  - Mobile:
    - MediaTek T700 modems (Intel 5G 5000 M.2 cards)
 
  - CAN:
   - ctucanfd: add support for CTU CAN FD open-source IP core
     from Czech Technical University in Prague
 
 Drivers
 -------
 
  - Delete a number of old drivers still using virt_to_bus().
 
  - Ethernet NICs:
    - intel: support TSO on tunnels MPLS
    - broadcom: support multi-buffer XDP
    - nfp: support VF rate limiting
    - sfc: use hardware tx timestamps for more than PTP
    - mlx5: multi-port eswitch support
    - hyper-v: add support for XDP_REDIRECT
    - atlantic: XDP support (including multi-buffer)
    - macb: improve real-time perf by deferring Tx processing to NAPI
 
  - High-speed Ethernet switches:
    - mlxsw: implement basic line card information querying
    - prestera: add support for traffic policing on ingress and egress
 
  - Embedded Ethernet switches:
    - lan966x: add support for packet DMA (FDMA)
    - lan966x: add support for PTP programmable pins
    - ti: cpsw_new: enable bc/mc storm prevention
 
  - Qualcomm 802.11ax WiFi (ath11k):
    - Wake-on-WLAN support for QCA6390 and WCN6855
    - device recovery (firmware restart) support
    - support setting Specific Absorption Rate (SAR) for WCN6855
    - read country code from SMBIOS for WCN6855/QCA6390
    - enable keep-alive during WoWLAN suspend
    - implement remain-on-channel support
 
  - MediaTek WiFi (mt76):
    - support Wireless Ethernet Dispatch offloading packet movement
      between the Ethernet switch and WiFi interfaces
    - non-standard VHT MCS10-11 support
    - mt7921 AP mode support
    - mt7921 IPv6 NS offload support
 
  - Ethernet PHYs:
    - micrel: ksz9031/ksz9131: cabletest support
    - lan87xx: SQI support for T1 PHYs
    - lan937x: add interrupt support for link detection
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core
  ----

   - Support TCPv6 segmentation offload with super-segments larger than
     64k bytes using the IPv6 Jumbogram extension header (AKA BIG TCP).

   - Generalize skb freeing deferral to per-cpu lists, instead of
     per-socket lists.

   - Add a netdev statistic for packets dropped due to L2 address
     mismatch (rx_otherhost_dropped).

   - Continue work annotating skb drop reasons.

   - Accept alternative netdev names (ALT_IFNAME) in more netlink
     requests.

   - Add VLAN support for AF_PACKET SOCK_RAW GSO.

   - Allow receiving skb mark from the socket as a cmsg.

   - Enable memcg accounting for veth queues, sysctl tables and IPv6.

  BPF
  ---

   - Add libbpf support for User Statically-Defined Tracing (USDTs).

   - Speed up symbol resolution for kprobes multi-link attachments.

   - Support storing typed pointers to referenced and unreferenced
     objects in BPF maps.

   - Add support for BPF link iterator.

   - Introduce access to remote CPU map elements in BPF per-cpu map.

   - Allow middle-of-the-road settings for the
     kernel.unprivileged_bpf_disabled sysctl.

   - Implement basic types of dynamic pointers e.g. to allow for
     dynamically sized ringbuf reservations without extra memory copies.

  Protocols
  ---------

   - Retire port only listening_hash table, add a second bind table
     hashed by port and address. Avoid linear list walk when binding to
     very popular ports (e.g. 443).

   - Add bridge FDB bulk flush filtering support allowing user space to
     remove all FDB entries matching a condition.

   - Introduce accept_unsolicited_na sysctl for IPv6 to implement
     router-side changes for RFC9131.

   - Support for MPTCP path manager in user space.

   - Add MPTCP support for fallback to regular TCP for connections that
     have never connected additional subflows or transmitted
     out-of-sequence data (partial support for RFC8684 fallback).

   - Avoid races in MPTCP-level window tracking, stabilize and improve
     throughput.

   - Support lockless operation of GRE tunnels with seq numbers enabled.

   - WiFi support for host based BSS color collision detection.

   - Add support for SO_TXTIME/SCM_TXTIME on CAN sockets.

   - Support transmission w/o flow control in CAN ISOTP (ISO 15765-2).

   - Support zero-copy Tx with TLS 1.2 crypto offload (sendfile).

   - Allow matching on the number of VLAN tags via tc-flower.

   - Add tracepoint for tcp_set_ca_state().

  Driver API
  ----------

   - Improve error reporting from classifier and action offload.

   - Add support for listing line cards in switches (devlink).

   - Add helpers for reporting page pool statistics with ethtool -S.

   - Add support for reading clock cycles when using PTP virtual clocks,
     instead of having the driver convert to time before reporting. This
     makes it possible to report time from different vclocks.

   - Support configuring low-latency Tx descriptor push via ethtool.

   - Separate Clause 22 and Clause 45 MDIO accesses more explicitly.

  New hardware / drivers
  ----------------------

   - Ethernet:
      - Marvell's Octeon NIC PCI Endpoint support (octeon_ep)
      - Sunplus SP7021 SoC (sp7021_emac)
      - Add support for Renesas RZ/V2M (in ravb)
      - Add support for MediaTek mt7986 switches (in mtk_eth_soc)

   - Ethernet PHYs:
      - ADIN1100 industrial PHYs (w/ 10BASE-T1L and SQI reporting)
      - TI DP83TD510 PHY
      - Microchip LAN8742/LAN88xx PHYs

   - WiFi:
      - Driver for pureLiFi X, XL, XC devices (plfxlc)
      - Driver for Silicon Labs devices (wfx)
      - Support for WCN6750 (in ath11k)
      - Support Realtek 8852ce devices (in rtw89)

   - Mobile:
      - MediaTek T700 modems (Intel 5G 5000 M.2 cards)

   - CAN:
      - ctucanfd: add support for CTU CAN FD open-source IP core from
        Czech Technical University in Prague

  Drivers
  -------

   - Delete a number of old drivers still using virt_to_bus().

   - Ethernet NICs:
      - intel: support TSO on tunnels MPLS
      - broadcom: support multi-buffer XDP
      - nfp: support VF rate limiting
      - sfc: use hardware tx timestamps for more than PTP
      - mlx5: multi-port eswitch support
      - hyper-v: add support for XDP_REDIRECT
      - atlantic: XDP support (including multi-buffer)
      - macb: improve real-time perf by deferring Tx processing to NAPI

   - High-speed Ethernet switches:
      - mlxsw: implement basic line card information querying
      - prestera: add support for traffic policing on ingress and egress

   - Embedded Ethernet switches:
      - lan966x: add support for packet DMA (FDMA)
      - lan966x: add support for PTP programmable pins
      - ti: cpsw_new: enable bc/mc storm prevention

   - Qualcomm 802.11ax WiFi (ath11k):
      - Wake-on-WLAN support for QCA6390 and WCN6855
      - device recovery (firmware restart) support
      - support setting Specific Absorption Rate (SAR) for WCN6855
      - read country code from SMBIOS for WCN6855/QCA6390
      - enable keep-alive during WoWLAN suspend
      - implement remain-on-channel support

   - MediaTek WiFi (mt76):
      - support Wireless Ethernet Dispatch offloading packet movement
        between the Ethernet switch and WiFi interfaces
      - non-standard VHT MCS10-11 support
      - mt7921 AP mode support
      - mt7921 IPv6 NS offload support

   - Ethernet PHYs:
      - micrel: ksz9031/ksz9131: cabletest support
      - lan87xx: SQI support for T1 PHYs
      - lan937x: add interrupt support for link detection"

* tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1809 commits)
  ptp: ocp: Add firmware header checks
  ptp: ocp: fix PPS source selector debugfs reporting
  ptp: ocp: add .init function for sma_op vector
  ptp: ocp: vectorize the sma accessor functions
  ptp: ocp: constify selectors
  ptp: ocp: parameterize input/output sma selectors
  ptp: ocp: revise firmware display
  ptp: ocp: add Celestica timecard PCI ids
  ptp: ocp: Remove #ifdefs around PCI IDs
  ptp: ocp: 32-bit fixups for pci start address
  Revert "net/smc: fix listen processing for SMC-Rv2"
  ath6kl: Use cc-disable-warning to disable -Wdangling-pointer
  selftests/bpf: Dynptr tests
  bpf: Add dynptr data slices
  bpf: Add bpf_dynptr_read and bpf_dynptr_write
  bpf: Dynptr support for ring buffers
  bpf: Add bpf_dynptr_from_mem for local dynptrs
  bpf: Add verifier support for dynptrs
  bpf: Suppress 'passing zero to PTR_ERR' warning
  bpf: Introduce bpf_arch_text_invalidate for bpf_prog_pack
  ...
2022-05-25 12:22:58 -07:00
Linus Torvalds
8b49c4b1b6 Merge branch 'for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
 "Nothing too interesting. This adds cpu controller selftests and there
  are a couple code cleanup patches"

* 'for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: remove the superfluous judgment
  cgroup: Make cgroup_debug static
  kseltest/cgroup: Make test_stress.sh work if run interactively
  kselftest/cgroup: fix test_stress.sh to use OUTPUT dir
  cgroup: Add config file to cgroup selftest suite
  cgroup: Add test_cpucg_max_nested() testcase
  cgroup: Add test_cpucg_max() testcase
  cgroup: Add test_cpucg_nested_weight_underprovisioned() testcase
  cgroup: Adding test_cpucg_nested_weight_overprovisioned() testcase
  cgroup: Add test_cpucg_weight_underprovisioned() testcase
  cgroup: Add test_cpucg_weight_overprovisioned() testcase
  cgroup: Add test_cpucg_stats() testcase to cgroup cpu selftests
  cgroup: Add new test_cpu.c test suite in cgroup selftests
2022-05-25 11:47:25 -07:00
Linus Torvalds
64e34b50d7 linux-kselftest-kunit-5.19-rc1
This KUnit update for Linux 5.19-rc1 consists of several fixes, cleanups,
 and enhancements to tests and framework:
 
 - introduces _NULL and _NOT_NULL macros to pointer error checks
 
 - reworks kunit_resource allocation policy to fix memory leaks when
   caller doesn't specify free() function to be used when allocating
   memory using kunit_add_resource() and kunit_alloc_resource() funcs.
 
 - adds ability to specify suite-level init and exit functions
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Merge tag 'linux-kselftest-kunit-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit updates from Shuah Khan:
 "Several fixes, cleanups, and enhancements to tests and framework:

   - introduce _NULL and _NOT_NULL macros to pointer error checks

   - rework kunit_resource allocation policy to fix memory leaks when
     caller doesn't specify free() function to be used when allocating
     memory using kunit_add_resource() and kunit_alloc_resource() funcs.

   - add ability to specify suite-level init and exit functions"

* tag 'linux-kselftest-kunit-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (41 commits)
  kunit: tool: Use qemu-system-i386 for i386 runs
  kunit: fix executor OOM error handling logic on non-UML
  kunit: tool: update riscv QEMU config with new serial dependency
  kcsan: test: use new suite_{init,exit} support
  kunit: tool: Add list of all valid test configs on UML
  kunit: take `kunit_assert` as `const`
  kunit: tool: misc cleanups
  kunit: tool: minor cosmetic cleanups in kunit_parser.py
  kunit: tool: make parser stop overwriting status of suites w/ no_tests
  kunit: tool: remove dead parse_crash_in_log() logic
  kunit: tool: print clearer error message when there's no TAP output
  kunit: tool: stop using a shell to run kernel under QEMU
  kunit: tool: update test counts summary line format
  kunit: bail out of test filtering logic quicker if OOM
  lib/Kconfig.debug: change KUnit tests to default to KUNIT_ALL_TESTS
  kunit: Rework kunit_resource allocation policy
  kunit: fix debugfs code to use enum kunit_status, not bool
  kfence: test: use new suite_{init/exit} support, add .kunitconfig
  kunit: add ability to specify suite-level init and exit functions
  kunit: rename print_subtest_{start,end} for clarity (s/subtest/suite)
  ...
2022-05-25 11:32:53 -07:00
Linus Torvalds
1c6d2ead87 linux-kselftest-next-5.19-rc1
This Kselftest update for Linux 5.19-rc1 consists of several fixes,
 cleanups, and enhancements to tests:
 
 - adds mips support for kprobe args string and syntax tests
 - updates to resctrl test to use kselftest framework
 - fixes, cleanups, and enhancements to tests
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Merge tag 'linux-kselftest-next-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest updates from Shuah Khan:
 "Several fixes, cleanups, and enhancements to tests:

   - add mips support for kprobe args string and syntax tests

   - updates to resctrl test to use kselftest framework

   - fixes, cleanups, and enhancements to tests"

* tag 'linux-kselftest-next-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kselftests/ir : Improve readability of modprobe error message
  selftests/resctrl: Fix null pointer dereference on open failed
  selftests/resctrl: Add missing SPDX license to Makefile
  selftests/resctrl: Update README about using kselftest framework to build/run resctrl_tests
  selftests/resctrl: Make resctrl_tests run using kselftest framework
  selftests/resctrl: Fix resctrl_tests' return code to work with selftest framework
  selftests/resctrl: Change the default limited time to 120 seconds
  selftests/resctrl: Kill child process before parent process terminates if SIGTERM is received
  selftests/resctrl: Print a message if the result of MBM&CMT tests is failed on Intel CPU
  selftests/resctrl: Extend CPU vendor detection
  selftests/x86/corrupt_xstate_header: Use provided __cpuid_count() macro
  selftests/x86/amx: Use provided __cpuid_count() macro
  selftests/vm/pkeys: Use provided __cpuid_count() macro
  selftests: Provide local define of __cpuid_count()
  selftests/damon: add damon to selftests root Makefile
  selftests/binderfs: Improve message to provide more info
  selftests: mqueue: drop duplicate min definition
  selftests/ftrace: add mips support for kprobe args syntax tests
  selftests/ftrace: add mips support for kprobe args string tests
2022-05-25 11:30:21 -07:00
Patrick Wang
0598739900 selftests: vm: add the "settings" file with timeout variable
The default "timeout" for one kselftest is 45 seconds, while some cases in
run_vmtests.sh require more time.  This will cause testing timeout like:

  not ok 4 selftests: vm: run_vmtests.sh # TIMEOUT 45 seconds

Therefore, add the "settings" file with timeout variable so users can set
the "timeout" value.

Link: https://lkml.kernel.org/r/20220521083825.319654-4-patrick.wang.shcn@gmail.com
Signed-off-by: Patrick Wang <patrick.wang.shcn@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-25 10:47:49 -07:00
Patrick Wang
ccd2a1201d selftests: vm: add "test_hmm.sh" to TEST_FILES
The "test_hmm.sh" file used by run_vmtests.sh dose not be installed into
INSTALL_PATH.  Thus run_vmtests.sh can not call it in INSTALL_PATH:

  ---------------------------
  running ./test_hmm.sh smoke
  ---------------------------
  ./run_vmtests.sh: line 74: ./test_hmm.sh: No such file or directory
  [FAIL]
  -----------------------

Add "test_hmm.sh" to TEST_FILES so that it will be installed.

Link: https://lkml.kernel.org/r/20220521083825.319654-3-patrick.wang.shcn@gmail.com
Signed-off-by: Patrick Wang <patrick.wang.shcn@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-25 10:47:49 -07:00
Patrick Wang
9aa1af954d selftests: vm: check numa_available() before operating "merge_across_nodes" in ksm_tests
Patch series "selftests: vm: a few fixup patches".

This series contains three fixup patches for vm selftests.  They are
independent.  Please see the patches.


This patch (of 3):

Currently, ksm_tests operates "merge_across_nodes" with NUMA either
enabled or disabled.  In a system with NUMA disabled, these operations
will fail and output a misleading report given "merge_across_nodes" does
not exist in sysfs:

  ----------------------------
  running ./ksm_tests -M -p 10
  ----------------------------
  f /sys/kernel/mm/ksm/merge_across_nodes
  fopen: No such file or directory
  Cannot save default tunables
  [FAIL]
  ----------------------

So check numa_available() before those operations to skip them if NUMA is
disabled.

Link: https://lkml.kernel.org/r/20220521083825.319654-1-patrick.wang.shcn@gmail.com
Link: https://lkml.kernel.org/r/20220521083825.319654-2-patrick.wang.shcn@gmail.com
Signed-off-by: Patrick Wang <patrick.wang.shcn@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-25 10:47:49 -07:00
Muhammad Usama Anjum
3d3921ed27 selftests: vm: add migration to the .gitignore
Add newly added migration test object to .gitignore file.

Link: https://lkml.kernel.org/r/20220521094313.166505-1-usama.anjum@collabora.com
Fixes: 0c2d087284 ("mm: add selftests for migration entries")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-25 10:47:49 -07:00
Julia Lawall
75c96ccea2 selftests/vm/pkeys: fix typo in comment
Spelling mistake (triple letters) in comment.  Detected with the help of
Coccinelle.

Link: https://lkml.kernel.org/r/20220521111145.81697-80-Julia.Lawall@inria.fr
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-25 10:47:48 -07:00
Suren Baghdasaryan
33776141b8 selftests: vm: add process_mrelease tests
Introduce process_mrelease syscall sanity tests which include tests
which expect to fail:

- process_mrelease with invalid pidfd and flags inputs
- process_mrelease on a live process with no pending signals

and valid process_mrelease usage which is expected to succeed.  Because
process_mrelease has to be used against a process with a pending SIGKILL,
it's possible that the process exits before process_mrelease gets called. 
In such cases we retry the test with a victim that allocates twice more
memory up to 1GB.  This would require the victim process to spend more
time during exit and process_mrelease has a better chance of catching the
process before it exits and succeeding.

On success the test reports the amount of memory the child had to allocate
for reaping to succeed.  Sample output:

$ mrelease_test
Success reaping a child with 1MB of memory allocations

On failure the test reports the failure. Sample outputs:

$ mrelease_test
All process_mrelease attempts failed!

$ mrelease_test
process_mrelease: Invalid argument

Link: https://lkml.kernel.org/r/20220518204316.13131-1-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Roman Gushchin <guro@fb.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: "Kirill A . Shutemov" <kirill@shutemov.name>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jann Horn <jannh@google.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-25 10:47:48 -07:00
Christophe JAILLET
7fb6378701 cgroup: fix an error handling path in alloc_pagecache_max_30M()
If the first goto is taken, 'fd' is not opened yet (and is un-initialized).
So a direct return is safer.

Link: https://lkml.kernel.org/r/628312312eb40e0e39463a2c06415fde5295c716.1653229120.git.christophe.jaillet@wanadoo.fr
Fixes: c1a31a2f7a ("cgroup: fix racy check in alloc_pagecache_max_30M() helper function")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Zefan Li <lizefan.x@bytedance.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: David Vernet <void@manifault.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-25 10:47:46 -07:00
Like Xu
366d4a12cd KVM: selftests: x86: Sync the new name of the test case to .gitignore
Fixing side effect of the so-called opportunistic change in the commit.

Fixes: dc8a9febbab0 ("KVM: selftests: x86: Fix test failure on arch lbr capable platforms")
Signed-off-by: Like Xu <likexu@tencent.com>
Message-Id: <20220518170118.66263-2-likexu@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-25 05:15:48 -04:00
Paolo Bonzini
1644e27059 KVM: s390: Fix and feature for 5.19
- ultravisor communication device driver
 - fix TEID on terminating storage key ops
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Merge tag 'kvm-s390-next-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

KVM: s390: Fix and feature for 5.19

- ultravisor communication device driver
- fix TEID on terminating storage key ops
2022-05-25 05:11:21 -04:00
Paolo Bonzini
b699da3dc2 KVM/riscv changes for 5.19
- Added Sv57x4 support for G-stage page table
 - Added range based local HFENCE functions
 - Added remote HFENCE functions based on VCPU requests
 - Added ISA extension registers in ONE_REG interface
 - Updated KVM RISC-V maintainers entry to cover selftests support
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Merge tag 'kvm-riscv-5.19-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv changes for 5.19

- Added Sv57x4 support for G-stage page table
- Added range based local HFENCE functions
- Added remote HFENCE functions based on VCPU requests
- Added ISA extension registers in ONE_REG interface
- Updated KVM RISC-V maintainers entry to cover selftests support
2022-05-25 05:09:49 -04:00
Paolo Bonzini
47e8eec832 KVM/arm64 updates for 5.19
- Add support for the ARMv8.6 WFxT extension
 
 - Guard pages for the EL2 stacks
 
 - Trap and emulate AArch32 ID registers to hide unsupported features
 
 - Ability to select and save/restore the set of hypercalls exposed
   to the guest
 
 - Support for PSCI-initiated suspend in collaboration with userspace
 
 - GICv3 register-based LPI invalidation support
 
 - Move host PMU event merging into the vcpu data structure
 
 - GICv3 ITS save/restore fixes
 
 - The usual set of small-scale cleanups and fixes
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Merge tag 'kvmarm-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 updates for 5.19

- Add support for the ARMv8.6 WFxT extension

- Guard pages for the EL2 stacks

- Trap and emulate AArch32 ID registers to hide unsupported features

- Ability to select and save/restore the set of hypercalls exposed
  to the guest

- Support for PSCI-initiated suspend in collaboration with userspace

- GICv3 register-based LPI invalidation support

- Move host PMU event merging into the vcpu data structure

- GICv3 ITS save/restore fixes

- The usual set of small-scale cleanups and fixes

[Due to the conflict, KVM_SYSTEM_EVENT_SEV_TERM is relocated
 from 4 to 6. - Paolo]
2022-05-25 05:09:23 -04:00
Yang Weijiang
825be3b5ab KVM: selftests: x86: Fix test failure on arch lbr capable platforms
On Arch LBR capable platforms, LBR_FMT in perf capability msr is 0x3f,
so the last format test will fail. Use a true invalid format(0x30) for
the test if it's running on these platforms. Opportunistically change
the file name to reflect the tests actually carried out.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Weijiang <weijiang.yang@intel.com>
Message-Id: <20220512084046.105479-1-weijiang.yang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-25 05:07:10 -04:00
Linus Torvalds
cb44e4f061 Landlock updates for v5.19-rc1
Important changes:
 * improve the path_rename LSM hook implementations for RENAME_EXCHANGE;
 * fix a too-restrictive filesystem control for a rare corner case;
 * set the nested sandbox limitation to 16 layers;
 * add a new LANDLOCK_ACCESS_FS_REFER access right to properly handle
   file reparenting (i.e. full rename and link support);
 * add new tests and documentation;
 * format code with clang-format to make it easier to maintain and
   contribute.
 
 Related patch series:
 * [PATCH v1 0/7] Landlock: Clean up coding style with clang-format
   https://lore.kernel.org/r/20220506160513.523257-1-mic@digikod.net
 * [PATCH v2 00/10] Minor Landlock fixes and new tests
   https://lore.kernel.org/r/20220506160820.524344-1-mic@digikod.net
 * [PATCH v3 00/12] Landlock: file linking and renaming support
   https://lore.kernel.org/r/20220506161102.525323-1-mic@digikod.net
 * [PATCH v2] landlock: Explain how to support Landlock
   https://lore.kernel.org/r/20220513112743.156414-1-mic@digikod.net
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Merge tag 'landlock-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull Landlock updates from Mickaël Salaün:

 - improve the path_rename LSM hook implementations for RENAME_EXCHANGE;

 - fix a too-restrictive filesystem control for a rare corner case;

 - set the nested sandbox limitation to 16 layers;

 - add a new LANDLOCK_ACCESS_FS_REFER access right to properly handle
   file reparenting (i.e. full rename and link support);

 - add new tests and documentation;

 - format code with clang-format to make it easier to maintain and
   contribute.

* tag 'landlock-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: (30 commits)
  landlock: Explain how to support Landlock
  landlock: Add design choices documentation for filesystem access rights
  landlock: Document good practices about filesystem policies
  landlock: Document LANDLOCK_ACCESS_FS_REFER and ABI versioning
  samples/landlock: Add support for file reparenting
  selftests/landlock: Add 11 new test suites dedicated to file reparenting
  landlock: Add support for file reparenting with LANDLOCK_ACCESS_FS_REFER
  LSM: Remove double path_rename hook calls for RENAME_EXCHANGE
  landlock: Move filesystem helpers and add a new one
  landlock: Fix same-layer rule unions
  landlock: Create find_rule() from unmask_layers()
  landlock: Reduce the maximum number of layers to 16
  landlock: Define access_mask_t to enforce a consistent access mask size
  selftests/landlock: Test landlock_create_ruleset(2) argument check ordering
  landlock: Change landlock_restrict_self(2) check ordering
  landlock: Change landlock_add_rule(2) argument check ordering
  selftests/landlock: Add tests for O_PATH
  selftests/landlock: Fully test file rename with "remove" access
  selftests/landlock: Extend access right tests to directories
  selftests/landlock: Add tests for unknown access rights
  ...
2022-05-24 13:09:13 -07:00
Linus Torvalds
dc8af1ffd6 seccomp updates for v5.19-rc1
- Rework USER_NOTIF notification ordering and kill logic (Sargun Dhillon)
 
 - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn)
 
 - Gracefully handle failed unshare() in selftests (Yang Guang)
 
 - Spelling fix (Colin Ian King)
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Merge tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp updates from Kees Cook:

 - Rework USER_NOTIF notification ordering and kill logic (Sargun
   Dhillon)

 - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn)

 - Gracefully handle failed unshare() in selftests (Yang Guang)

 - Spelling fix (Colin Ian King)

* tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  selftests/seccomp: Fix spelling mistake "Coud" -> "Could"
  selftests/seccomp: Add test for wait killable notifier
  selftests/seccomp: Refactor get_proc_stat to split out file reading code
  seccomp: Add wait_killable semantic to seccomp user notifier
  selftests/seccomp: Ensure that notifications come in FIFO order
  seccomp: Use FIFO semantics to order notifications
  selftests/seccomp: Add SKIP for failed unshare()
  selftests/seccomp: Test PTRACE_O_SUSPEND_SECCOMP without CAP_SYS_ADMIN
2022-05-24 12:37:24 -07:00
Linus Torvalds
143a6252e1 arm64 updates for 5.19:
- Initial support for the ARMv9 Scalable Matrix Extension (SME). SME
   takes the approach used for vectors in SVE and extends this to provide
   architectural support for matrix operations. No KVM support yet, SME
   is disabled in guests.
 
 - Support for crashkernel reservations above ZONE_DMA via the
   'crashkernel=X,high' command line option.
 
 - btrfs search_ioctl() fix for live-lock with sub-page faults.
 
 - arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring
   coherent I/O traffic, support for Arm's CMN-650 and CMN-700
   interconnect PMUs, minor driver fixes, kerneldoc cleanup.
 
 - Kselftest updates for SME, BTI, MTE.
 
 - Automatic generation of the system register macros from a 'sysreg'
   file describing the register bitfields.
 
 - Update the type of the function argument holding the ESR_ELx register
   value to unsigned long to match the architecture register size
   (originally 32-bit but extended since ARMv8.0).
 
 - stacktrace cleanups.
 
 - ftrace cleanups.
 
 - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(),
   avoid executable mappings in kexec/hibernate code, drop TLB flushing
   from get_clear_flush() (and rename it to get_clear_contig()),
   ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:

 - Initial support for the ARMv9 Scalable Matrix Extension (SME).

   SME takes the approach used for vectors in SVE and extends this to
   provide architectural support for matrix operations. No KVM support
   yet, SME is disabled in guests.

 - Support for crashkernel reservations above ZONE_DMA via the
   'crashkernel=X,high' command line option.

 - btrfs search_ioctl() fix for live-lock with sub-page faults.

 - arm64 perf updates: support for the Hisilicon "CPA" PMU for
   monitoring coherent I/O traffic, support for Arm's CMN-650 and
   CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup.

 - Kselftest updates for SME, BTI, MTE.

 - Automatic generation of the system register macros from a 'sysreg'
   file describing the register bitfields.

 - Update the type of the function argument holding the ESR_ELx register
   value to unsigned long to match the architecture register size
   (originally 32-bit but extended since ARMv8.0).

 - stacktrace cleanups.

 - ftrace cleanups.

 - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(),
   avoid executable mappings in kexec/hibernate code, drop TLB flushing
   from get_clear_flush() (and rename it to get_clear_contig()),
   ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE.

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (145 commits)
  arm64/sysreg: Generate definitions for FAR_ELx
  arm64/sysreg: Generate definitions for DACR32_EL2
  arm64/sysreg: Generate definitions for CSSELR_EL1
  arm64/sysreg: Generate definitions for CPACR_ELx
  arm64/sysreg: Generate definitions for CONTEXTIDR_ELx
  arm64/sysreg: Generate definitions for CLIDR_EL1
  arm64/sve: Move sve_free() into SVE code section
  arm64: Kconfig.platforms: Add comments
  arm64: Kconfig: Fix indentation and add comments
  arm64: mm: avoid writable executable mappings in kexec/hibernate code
  arm64: lds: move special code sections out of kernel exec segment
  arm64/hugetlb: Implement arm64 specific huge_ptep_get()
  arm64/hugetlb: Use ptep_get() to get the pte value of a huge page
  arm64: kdump: Do not allocate crash low memory if not needed
  arm64/sve: Generate ZCR definitions
  arm64/sme: Generate defintions for SVCR
  arm64/sme: Generate SMPRI_EL1 definitions
  arm64/sme: Automatically generate SMPRIMAP_EL2 definitions
  arm64/sme: Automatically generate SMIDR_EL1 defines
  arm64/sme: Automatically generate defines for SMCR
  ...
2022-05-23 21:06:11 -07:00
Jakub Kicinski
1ef0736c07 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2022-05-23

We've added 113 non-merge commits during the last 26 day(s) which contain
a total of 121 files changed, 7425 insertions(+), 1586 deletions(-).

The main changes are:

1) Speed up symbol resolution for kprobes multi-link attachments, from Jiri Olsa.

2) Add BPF dynamic pointer infrastructure e.g. to allow for dynamically sized ringbuf
   reservations without extra memory copies, from Joanne Koong.

3) Big batch of libbpf improvements towards libbpf 1.0 release, from Andrii Nakryiko.

4) Add BPF link iterator to traverse links via seq_file ops, from Dmitrii Dolgov.

5) Add source IP address to BPF tunnel key infrastructure, from Kaixi Fan.

6) Refine unprivileged BPF to disable only object-creating commands, from Alan Maguire.

7) Fix JIT blinding of ld_imm64 when they point to subprogs, from Alexei Starovoitov.

8) Add BPF access to mptcp_sock structures and their meta data, from Geliang Tang.

9) Add new BPF helper for access to remote CPU's BPF map elements, from Feng Zhou.

10) Allow attaching 64-bit cookie to BPF link of fentry/fexit/fmod_ret, from Kui-Feng Lee.

11) Follow-ups to typed pointer support in BPF maps, from Kumar Kartikeya Dwivedi.

12) Add busy-poll test cases to the XSK selftest suite, from Magnus Karlsson.

13) Improvements in BPF selftest test_progs subtest output, from Mykola Lysenko.

14) Fill bpf_prog_pack allocator areas with illegal instructions, from Song Liu.

15) Add generic batch operations for BPF map-in-map cases, from Takshak Chahande.

16) Make bpf_jit_enable more user friendly when permanently on 1, from Tiezhu Yang.

17) Fix an array overflow in bpf_trampoline_get_progs(), from Yuntao Wang.

====================

Link: https://lore.kernel.org/r/20220523223805.27931-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-23 16:07:14 -07:00
Joanne Koong
0cf7052a55 selftests/bpf: Dynptr tests
This patch adds tests for dynptrs, which include cases that the
verifier needs to reject (for example, a bpf_ringbuf_reserve_dynptr
without a corresponding bpf_ringbuf_submit/discard_dynptr) as well
as cases that should successfully pass.

Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220523210712.3641569-7-joannelkoong@gmail.com
2022-05-23 14:31:29 -07:00
Colin Ian King
f9a3eca4bc selftests/bpf: Fix spelling mistake: "unpriviliged" -> "unprivileged"
There are spelling mistakes in ASSERT messages. Fix these.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220523115604.49942-1-colin.i.king@gmail.com
2022-05-23 21:59:57 +02:00
Yonghong Song
4050764cba selftests/bpf: fix btf_dump/btf_dump due to recent clang change
Latest llvm-project upstream had a change of behavior
related to qualifiers on function return type ([1]).
This caused selftests btf_dump/btf_dump failure.
The following example shows what changed.

  $ cat t.c
  typedef const char * const (* const (* const fn_ptr_arr2_t[5])())(char * (*)(int));
  struct t {
    int a;
    fn_ptr_arr2_t l;
  };
  int foo(struct t *arg) {
    return arg->a;
  }

Compiled with latest upstream llvm15,
  $ clang -O2 -g -target bpf -S -emit-llvm t.c
The related generated debuginfo IR looks like:
  !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "fn_ptr_arr2_t", file: !1, line: 1, baseType: !17)
  !17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !18, size: 320, elements: !32)
  !18 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !19)
  !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
  !20 = !DISubroutineType(types: !21)
  !21 = !{!22, null}
  !22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !23, size: 64)
  !23 = !DISubroutineType(types: !24)
  !24 = !{!25, !28}
  !25 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !26, size: 64)
  !26 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !27)
  !27 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
You can see two intermediate const qualifier to pointer are dropped in debuginfo IR.

With llvm14, we have following debuginfo IR:
  !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "fn_ptr_arr2_t", file: !1, line: 1, baseType: !17)
  !17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !18, size: 320, elements: !34)
  !18 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !19)
  !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
  !20 = !DISubroutineType(types: !21)
  !21 = !{!22, null}
  !22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)
  !23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !24, size: 64)
  !24 = !DISubroutineType(types: !25)
  !25 = !{!26, !30}
  !26 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !27)
  !27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !28, size: 64)
  !28 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !29)
  !29 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
All const qualifiers are preserved.

To adapt the selftest to both old and new llvm, this patch removed
the intermediate const qualifier in const-to-ptr types, to make the
test succeed again.

  [1] https://reviews.llvm.org/D125919

Reported-by: Mykola Lysenko <mykolal@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220523152044.3905809-1-yhs@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-05-23 12:53:34 -07:00
Linus Torvalds
1e57930e9f RCU pull request for v5.19
This pull request contains the following branches:
 
 docs.2022.04.20a: Documentation updates.
 
 fixes.2022.04.20a: Miscellaneous fixes.
 
 nocb.2022.04.11b: Callback-offloading updates, mainly simplifications.
 
 rcu-tasks.2022.04.11b: RCU-tasks updates, including some -rt fixups,
 	handling of systems with sparse CPU numbering, and a fix for a
 	boot-time race-condition failure.
 
 srcu.2022.05.03a: Put SRCU on a memory diet in order to reduce the size
 	of the srcu_struct structure.
 
 torture.2022.04.11b: Torture-test updates fixing some bugs in tests and
 	closing some testing holes.
 
 torture-tasks.2022.04.20a: Torture-test updates for the RCU tasks flavors,
 	most notably ensuring that building rcutorture and friends does
 	not change the RCU-tasks-related Kconfig options.
 
 torturescript.2022.04.20a: Torture-test scripting updates.
 
 exp.2022.05.11a: Expedited grace-period updates, most notably providing
 	milliseconds-scale (not all that) soft real-time response from
 	synchronize_rcu_expedited().  This is also the first time in
 	almost 30 years of RCU that someone other than me has pushed
 	for a reduction in the RCU CPU stall-warning timeout, in this
 	case by more than three orders of magnitude from 21 seconds to
 	20 milliseconds.  This tighter timeout applies only to expedited
 	grace periods.
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Merge tag 'rcu.2022.05.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull RCU update from Paul McKenney:

 - Documentation updates

 - Miscellaneous fixes

 - Callback-offloading updates, mainly simplifications

 - RCU-tasks updates, including some -rt fixups, handling of systems
   with sparse CPU numbering, and a fix for a boot-time race-condition
   failure

 - Put SRCU on a memory diet in order to reduce the size of the
   srcu_struct structure

 - Torture-test updates fixing some bugs in tests and closing some
   testing holes

 - Torture-test updates for the RCU tasks flavors, most notably ensuring
   that building rcutorture and friends does not change the
   RCU-tasks-related Kconfig options

 - Torture-test scripting updates

 - Expedited grace-period updates, most notably providing
   milliseconds-scale (not all that) soft real-time response from
   synchronize_rcu_expedited().

   This is also the first time in almost 30 years of RCU that someone
   other than me has pushed for a reduction in the RCU CPU stall-warning
   timeout, in this case by more than three orders of magnitude from 21
   seconds to 20 milliseconds. This tighter timeout applies only to
   expedited grace periods

* tag 'rcu.2022.05.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (80 commits)
  rcu: Move expedited grace period (GP) work to RT kthread_worker
  rcu: Introduce CONFIG_RCU_EXP_CPU_STALL_TIMEOUT
  srcu: Drop needless initialization of sdp in srcu_gp_start()
  srcu: Prevent expedited GPs and blocking readers from consuming CPU
  srcu: Add contention check to call_srcu() srcu_data ->lock acquisition
  srcu: Automatically determine size-transition strategy at boot
  rcutorture: Make torture.sh allow for --kasan
  rcutorture: Make torture.sh refscale and rcuscale specify Tasks Trace RCU
  rcutorture: Make kvm.sh allow more memory for --kasan runs
  torture: Save "make allmodconfig" .config file
  scftorture: Remove extraneous "scf" from per_version_boot_params
  rcutorture: Adjust scenarios' Kconfig options for CONFIG_PREEMPT_DYNAMIC
  torture: Enable CSD-lock stall reports for scftorture
  torture: Skip vmlinux check for kvm-again.sh runs
  scftorture: Adjust for TASKS_RCU Kconfig option being selected
  rcuscale: Allow rcuscale without RCU Tasks Rude/Trace
  rcuscale: Allow rcuscale without RCU Tasks
  refscale: Allow refscale without RCU Tasks Rude/Trace
  refscale: Allow refscale without RCU Tasks
  rcutorture: Allow specifying per-scenario stat_interval
  ...
2022-05-23 11:46:51 -07:00
Mickaël Salaün
f4056b9266
selftests/landlock: Add 11 new test suites dedicated to file reparenting
These test suites try to check all edge cases for directory and file
renaming or linking involving a new parent directory, with and without
LANDLOCK_ACCESS_FS_REFER and other access rights.

layout1:
* reparent_refer: Tests simple FS_REFER usage.
* reparent_link: Tests a mix of FS_MAKE_REG and FS_REFER with links.
* reparent_rename: Tests a mix of FS_MAKE_REG and FS_REFER with renames
  and RENAME_EXCHANGE.
* reparent_exdev_layers_rename1/2: Tests renames with two layers.
* reparent_exdev_layers_exchange1/2/3: Tests exchanges with two layers.
* reparent_remove: Tests file and directory removal with rename.
* reparent_dom_superset: Tests access partial ordering.

layout1_bind:
* reparent_cross_mount: Tests FS_REFER propagation across mount points.

Test coverage for security/landlock is 95.4% of 604 lines according to
gcc/gcov-11.

Cc: Paul Moore <paul@paul-moore.com>
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Link: https://lore.kernel.org/r/20220506161102.525323-9-mic@digikod.net
2022-05-23 13:27:59 +02:00