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Author SHA1 Message Date
Linus Torvalds
705d84a366 for-5.17-rc4-tag 
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Merge tag 'for-5.17-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:

 - yield CPU more often when defragmenting a large file

 - skip defragmenting extents already under writeback

 - improve error message when send fails to write file data

 - get rid of warning when mounted with 'flushoncommit'

* tag 'for-5.17-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: send: in case of IO error log it
  btrfs: get rid of warning on transaction commit when using flushoncommit
  btrfs: defrag: don't try to defrag extents which are under writeback
  btrfs: don't hold CPU for too long when defragging a file
 2022-02-15 09:14:05 -08:00
Linus Torvalds
2572da44a5 parisc architecture fixes for kernel v5.17-rc5 
- Fix miscompilations when function calls are made from inside a
   put_user() call
 - Drop __init from map_pages() declaration to avoid random boot crashes
 - Added #error messages if a 64-bit compiler was used to build a 32-bit
   kernel (and vice versa)
 - Fix out-of-bound data TLB miss faults in sba_iommu and ccio-dma
   drivers
 - Add ioread64_lo_hi() and iowrite64_lo_hi() functions to avoid kernel
   test robot errors
 - Fix link failure when 8250_gsc driver is built without CONFIG_IOSAPIC
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Merge tag 'for-5.17/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture fixes from Helge Deller:

 - Fix miscompilations when function calls are made from inside a
   put_user() call

 - Drop __init from map_pages() declaration to avoid random boot crashes

 - Added #error messages if a 64-bit compiler was used to build a 32-bit
   kernel (and vice versa)

 - Fix out-of-bound data TLB miss faults in sba_iommu and ccio-dma
   drivers

 - Add ioread64_lo_hi() and iowrite64_lo_hi() functions to avoid kernel
   test robot errors

 - Fix link failure when 8250_gsc driver is built without CONFIG_IOSAPIC

* tag 'for-5.17/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  serial: parisc: GSC: fix build when IOSAPIC is not set
  parisc: Fix some apparent put_user() failures
  parisc: Show error if wrong 32/64-bit compiler is being used
  parisc: Add ioread64_lo_hi() and iowrite64_lo_hi()
  parisc: Fix sglist access in ccio-dma.c
  parisc: Fix data TLB miss in sba_unmap_sg
  parisc: Drop __init from map_pages declaration
 2022-02-15 09:10:09 -08:00
Linus Torvalds
c24449b321 hyperv-fixes for 5.17-rc5 
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Merge tag 'hyperv-fixes-signed-20220215' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv fixes from Wei Liu:

 - Rework use of DMA_BIT_MASK in vmbus to work around a clang bug
   (Michael Kelley)

 - Fix NUMA topology (Long Li)

 - Fix a memory leak in vmbus (Miaoqian Lin)

 - One minor clean-up patch (Cai Huoqing)

* tag 'hyperv-fixes-signed-20220215' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  Drivers: hv: utils: Make use of the helper macro LIST_HEAD()
  Drivers: hv: vmbus: Rework use of DMA_BIT_MASK(64)
  Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj
  PCI: hv: Fix NUMA node assignment when kernel boots with custom NUMA topology
 2022-02-15 09:05:01 -08:00
Randy Dunlap
6e8793674b serial: parisc: GSC: fix build when IOSAPIC is not set 
There is a build error when using a kernel .config file from
'kernel test robot' for a different build problem:

hppa64-linux-ld: drivers/tty/serial/8250/8250_gsc.o: in function `.LC3':
(.data.rel.ro+0x18): undefined reference to `iosapic_serial_irq'

when:
  CONFIG_GSC=y
  CONFIG_SERIO_GSCPS2=y
  CONFIG_SERIAL_8250_GSC=y
  CONFIG_PCI is not set
    and hence PCI_LBA is not set.
  IOSAPIC depends on PCI_LBA, so IOSAPIC is not set/enabled.

Make the use of iosapic_serial_irq() conditional to fix the build error.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-serial@vger.kernel.org
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Johan Hovold <johan@kernel.org>
Suggested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
Signed-off-by: Helge Deller <deller@gmx.de>
 2022-02-14 19:34:42 +01:00
Linus Torvalds
d567f5db41 regulator: Fix for v5.17 
One fix here, for initialisation of regulators that don't have an
 in_enabled() operation which would mainly impact cases where they aren't
 otherwise used during early setup for some reason.
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Merge tag 'regulator-fix-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "One fix here, for initialisation of regulators that don't have an
  in_enabled() operation which would mainly impact cases where they
  aren't otherwise used during early setup for some reason"

* tag 'regulator-fix-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: core: fix false positive in regulator_late_cleanup()
 2022-02-14 09:51:26 -08:00
Helge Deller
dbd0b42350 parisc: Fix some apparent put_user() failures 
After commit 4b9d2a731c ("parisc: Switch user access functions
to signal errors in r29 instead of r8") bash suddenly started
to report those warnings after login:

-bash: cannot set terminal process group (-1): Bad file descriptor
-bash: no job control in this shell

It turned out, that a function call inside a put_user(), e.g.:
put_user(vt_do_kdgkbmode(console), (int __user *)arg);
clobbered the error register (r29) and thus the put_user() call itself
seem to have failed.

Rearrange the C-code to pre-calculate the intermediate value
and then do the put_user().
Additionally prefer the "+" constraint on pu_err and gu_err registers
to tell the compiler that those operands are both read and written by
the assembly instruction.

Reported-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: 4b9d2a731c ("parisc: Switch user access functions to signal errors in r29 instead of r8")
Signed-off-by: Helge Deller <deller@gmx.de>
 2022-02-14 12:36:42 +01:00
Helge Deller
b160628e9e parisc: Show error if wrong 32/64-bit compiler is being used 
It happens quite often that people use the wrong compiler to build the
kernel:

make ARCH=parisc   -> builds the 32-bit kernel
make ARCH=parisc64 -> builds the 64-bit kernel

This patch adds a sanity check which errors out with an instruction how
use the correct ARCH= option.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v5.15+
 2022-02-13 22:45:53 +01:00
Linus Torvalds
754e0b0e35 Linux 5.17-rc4 v5.17-rc4 2022-02-13 12:13:30 -08:00
Linus Torvalds
e89d3a4671 - Fix the truncated path issue for HAVE_GCC_PLUGINS test in Kconfig 
- Move -Wunsligned-access to W=1 builds to avoid sprinkling warnings for
    the latest Clang
 
  - Fix missing fclose() in Kconfig
 
  - Fix Kconfig to touch dep headers correctly when KCONFIG_AUTOCONFIG is
    overridden.
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Merge tag 'kbuild-fixes-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix the truncated path issue for HAVE_GCC_PLUGINS test in Kconfig

 - Move -Wunsligned-access to W=1 builds to avoid sprinkling warnings
   for the latest Clang

 - Fix missing fclose() in Kconfig

 - Fix Kconfig to touch dep headers correctly when KCONFIG_AUTOCONFIG is
   overridden.

* tag 'kbuild-fixes-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kconfig: fix failing to generate auto.conf
  kconfig: fix missing fclose() on error paths
  Makefile.extrawarn: Move -Wunaligned-access to W=1
  kconfig: let 'shell' return enough output for deep path names
 2022-02-13 11:58:11 -08:00
Linus Torvalds
c5d714aa6d Interrupt chip driver fixes: 
- Don't install an hotplug notifier for GICV3-ITS on systems which do not
     need it to prevent a warning in the notifier about inconsistent state
 
   - Add the missing device tree matching for the T-HEAD PLIC variant so the
     related SoC is properly supported.
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Merge tag 'irq-urgent-2022-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "Interrupt chip driver fixes:

   - Don't install an hotplug notifier for GICV3-ITS on systems which do
     not need it to prevent a warning in the notifier about inconsistent
     state

   - Add the missing device tree matching for the T-HEAD PLIC variant so
     the related SoC is properly supported"

* tag 'irq-urgent-2022-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/sifive-plic: Add missing thead,c900-plic match string
  dt-bindings: update riscv plic compatible string
  irqchip/gic-v3-its: Skip HP notifier when no ITS is registered
 2022-02-13 10:06:40 -08:00
Linus Torvalds
42964a18f8 - Fix a case where objtool would mistakenly warn about instructions being unreachable 
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Merge tag 'objtool_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fix from Borislav Petkov:
 "Fix a case where objtool would mistakenly warn about instructions
  being unreachable"

* tag 'objtool_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/bug: Merge annotate_reachable() into _BUG_FLAGS() asm
 2022-02-13 09:43:34 -08:00
Linus Torvalds
6f35736723 - Fix a NULL-ptr dereference when recalculating a sched entity's weight 
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Merge tag 'sched_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Borislav Petkov:
 "Fix a NULL-ptr dereference when recalculating a sched entity's weight"

* tag 'sched_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix fault in reweight_entity
 2022-02-13 09:27:26 -08:00
Linus Torvalds
f5e02656b1 - Prevent cgroup event list corruption when switching events 
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Merge tag 'perf_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fix from Borislav Petkov:
 "Prevent cgroup event list corruption when switching events"

* tag 'perf_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf: Fix list corruption in perf_cgroup_switch()
 2022-02-13 09:25:26 -08:00
Linus Torvalds
808f0ab221 - Prevent softlockups when tearing down large SGX enclaves 
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Merge tag 'x86_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Borislav Petkov:
 "Prevent softlockups when tearing down large SGX enclaves"

* tag 'x86_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sgx: Silence softlockup detection when releasing large enclaves
 2022-02-13 09:22:52 -08:00
Linus Torvalds
e9c25787db 3 small smb3 reconnect fixes and an error log clarification 
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Merge tag '5.17-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Three small smb3 reconnect fixes and an error log clarification"

* tag '5.17-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: mark sessions for reconnection in helper function
  cifs: call helper functions for marking channels for reconnect
  cifs: call cifs_reconnect when a connection is marked
  [smb3] improve error message when mount options conflict with posix
 2022-02-13 09:16:45 -08:00
Thomas Gleixner
1e34064b60 irqchip fixes for 5.17, take #2 
- Don't register a hotplug notifier on GICv3 systems that advertise
   LPI support, but have no ITS to make use of it
 
 - Add missing DT matching for the thead,c900-plic variant of the
   SiFive PLIC
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Merge tag 'irqchip-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent

Pull irqchip fixes from Marc Zyngier:

 - Don't register a hotplug notifier on GICv3 systems that advertise
   LPI support, but have no ITS to make use of it

 - Add missing DT matching for the thead,c900-plic variant of the
   SiFive PLIC

Link: https://lore.kernel.org/r/20220211110038.1179155-1-maz@kernel.org
 2022-02-13 14:16:23 +01:00
Linus Torvalds
b81b1829e7 SCSI fixes on 20220212 
Two minor fixes in the lpfc driver.  One changing the classification
 of trace messages and the other fixing a build issue when NVME_FC is
 disabled.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Two minor fixes in the lpfc driver. One changing the classification of
  trace messages and the other fixing a build issue when NVME_FC is
  disabled"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: lpfc: Reduce log messages seen after firmware download
  scsi: lpfc: Remove NVMe support if kernel has NVME_FC disabled
 2022-02-12 10:29:02 -08:00
Linus Torvalds
080eba785f Char/Misc driver fixes for 5.17-rc4 
Here are a small number of char/misc driver fixes for 5.17-rc4 for
 reported issues.  They contain:
 	- phy driver fixes
 	- iio driver fix
 	- eeprom driver fix
 	- speakup regression fix
 	- fastrpc fix
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are a small number of char/misc driver fixes for 5.17-rc4 for
  reported issues. They contain:

   - phy driver fixes

   - iio driver fix

   - eeprom driver fix

   - speakup regression fix

   - fastrpc fix

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL
  speakup-dectlk: Restore pitch setting
  bus: mhi: pci_generic: Add mru_default for Cinterion MV31-W
  bus: mhi: pci_generic: Add mru_default for Foxconn SDX55
  eeprom: ee1004: limit i2c reads to I2C_SMBUS_BLOCK_MAX
  misc: fastrpc: avoid double fput() on failed usercopy
  phy: dphy: Correct clk_pre parameter
  phy: phy-mtk-tphy: Fix duplicated argument in phy-mtk-tphy
  phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable()
  phy: xilinx: zynqmp: Fix bus width setting for SGMII
  phy: cadence: Sierra: fix error handling bugs in probe()
  phy: ti: Fix missing sentinel for clk_div_table
  phy: broadcom: Kconfig: Fix PHY_BRCM_USB config option
  phy: usb: Leave some clocks running during suspend
 2022-02-12 10:16:32 -08:00
Linus Torvalds
dcd72f5466 Staging driver fixes for 5.17-rc4 
Here are 2 staging driver fixes for 5.17-rc4.  These are:
 	- fbtft error path fix
 	- vc04_services rcu dereference fix
 
 Both of these have been in linux-next for a while with no reported
 issues
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pullstaging driver fixes from Greg KH:
 "Here are two staging driver fixes for 5.17-rc4.  These are:

   - fbtft error path fix

   - vc04_services rcu dereference fix

  Both of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: fbtft: Fix error path in fbtft_driver_module_init()
  staging: vc04_services: Fix RCU dereference check
 2022-02-12 10:10:35 -08:00
Linus Torvalds
522e7d03f7 TTY/Serial fixes for 5.17-rc4 
Here are 4 small tty/serial fixes for 5.17-rc4.  They are:
 	- 8250_pericom change revert to fix a reported regression
 	- 2 speculation fixes for vt_ioctl
 	- n_tty regression fix for polling
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are four small tty/serial fixes for 5.17-rc4.  They are:

   - 8250_pericom change revert to fix a reported regression

   - two speculation fixes for vt_ioctl

   - n_tty regression fix for polling

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  vt_ioctl: add array_index_nospec to VT_ACTIVATE
  vt_ioctl: fix array_index_nospec in vt_setactivate
  serial: 8250_pericom: Revert "Re-enable higher baud rates"
  n_tty: wake up poll(POLLRDNORM) on receiving data
 2022-02-12 10:01:55 -08:00
Linus Torvalds
8518737899 USB fixes for 5.17-rc4 
Here are some small USB driver fixes for 5.17-rc4 that resolve some
 reported issues and add new device ids:
 	- usb-serial new device ids
 	- ulpi cleanup fixes
 	- f_fs use-after-free fix
 	- dwc3 driver fixes
 	- ax88179_178a usb network driver fix
 	- usb gadget fixes
 
 There is a revert at the end of this series to resolve a build problem
 that 0-day found yesterday.  Most of these have been in linux-next,
 except for the last few, and all have now passed 0-day tests.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some small USB driver fixes for 5.17-rc4 that resolve some
  reported issues and add new device ids:

   - usb-serial new device ids

   - ulpi cleanup fixes

   - f_fs use-after-free fix

   - dwc3 driver fixes

   - ax88179_178a usb network driver fix

   - usb gadget fixes

  There is a revert at the end of this series to resolve a build problem
  that 0-day found yesterday. Most of these have been in linux-next,
  except for the last few, and all have now passed 0-day tests"

* tag 'usb-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  Revert "usb: dwc2: drd: fix soft connect when gadget is unconfigured"
  usb: dwc2: drd: fix soft connect when gadget is unconfigured
  usb: gadget: rndis: check size of RNDIS_MSG_SET command
  USB: gadget: validate interface OS descriptor requests
  usb: core: Unregister device on component_add() failure
  net: usb: ax88179_178a: Fix out-of-bounds accesses in RX fixup
  usb: dwc3: gadget: Prevent core from processing stale TRBs
  USB: serial: cp210x: add CPI Bulk Coin Recycler id
  USB: serial: cp210x: add NCR Retail IO box id
  USB: serial: ftdi_sio: add support for Brainboxes US-159/235/320
  usb: gadget: f_uac2: Define specific wTerminalType
  usb: gadget: udc: renesas_usb3: Fix host to USB_ROLE_NONE transition
  usb: raw-gadget: fix handling of dual-direction-capable endpoints
  usb: usb251xb: add boost-up property support
  usb: ulpi: Call of_node_put correctly
  usb: ulpi: Move of_node_put to ulpi_dev_release
  USB: serial: option: add ZTE MF286D modem
  USB: serial: ch341: add support for GW Instek USB2.0-Serial devices
  usb: f_fs: Fix use-after-free for epfile
  usb: dwc3: xilinx: fix uninitialized return value
 2022-02-12 09:56:18 -08:00
Linus Torvalds
a4fd49cdb5 s390 updates for 5.17-rc4 
- Maintainers and reviewers changes:
   - Add Alexander Gordeev as maintainer for s390.
   - Christian Borntraeger will focus on s390 KVM maintainership and
     stays as s390 reviewer.
 
 - Fix clang build of modules loader KUnit test.
 
 - Fix kernel panic in CIO code on FCES path-event when no driver is
   attached to a device or the driver does not provide the path_event
   function.
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Merge tag 's390-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:
 "Maintainers and reviewers changes:

    - Add Alexander Gordeev as maintainer for s390.

    - Christian Borntraeger will focus on s390 KVM maintainership and
      stays as s390 reviewer.

  Fixes:

   - Fix clang build of modules loader KUnit test.

   - Fix kernel panic in CIO code on FCES path-event when no driver is
     attached to a device or the driver does not provide the path_event
     function"

* tag 's390-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/cio: verify the driver availability for path_event call
  s390/module: fix building test_modules_helpers.o with clang
  MAINTAINERS: downgrade myself to Reviewer for s390
  MAINTAINERS: add Alexander Gordeev as maintainer for s390
 2022-02-12 09:12:44 -08:00
Linus Torvalds
4a387c98b3 xen: branch for v5.17-rc4 
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Merge tag 'for-linus-5.17a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:

 - Two small cleanups

 - Another fix for addressing the EFI framebuffer above 4GB when running
   as Xen dom0

 - A patch to let Xen guests use reserved bits in MSI- and IO-APIC-
   registers for extended APIC-IDs the same way KVM guests are doing it
   already

* tag 'for-linus-5.17a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/pci: Make use of the helper macro LIST_HEAD()
  xen/x2apic: Fix inconsistent indenting
  xen/x86: detect support for extended destination ID
  xen/x86: obtain full video frame buffer address for Dom0 also under EFI
 2022-02-12 09:08:57 -08:00
Linus Torvalds
eef8cffcab seccomp fixes for v5.17-rc4 
- Force HANDLER_EXIT even for SIGNAL_UNKILLABLE.
 - Make seccomp self-destruct after fatal filter results.
 - Update seccomp samples for easier behavioral demonstration.
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Merge tag 'seccomp-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp fixes from Kees Cook:
 "This fixes a corner case of fatal SIGSYS being ignored since v5.15.
  Along with the signal fix is a change to seccomp so that seeing
  another syscall after a fatal filter result will cause seccomp to kill
  the process harder.

  Summary:

   - Force HANDLER_EXIT even for SIGNAL_UNKILLABLE

   - Make seccomp self-destruct after fatal filter results

   - Update seccomp samples for easier behavioral demonstration"

* tag 'seccomp-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  samples/seccomp: Adjust sample to also provide kill option
  seccomp: Invalidate seccomp mode to catch death failures
  signal: HANDLER_EXIT should clear SIGNAL_UNKILLABLE
 2022-02-12 09:04:05 -08:00
Linus Torvalds
9917ff5f31 Merge branch 'akpm' (patches from Andrew) 
Merge misc fixes from Andrew Morton:
 "5 patches.

  Subsystems affected by this patch series: binfmt, procfs, and mm
  (vmscan, memcg, and kfence)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  kfence: make test case compatible with run time set sample interval
  mm: memcg: synchronize objcg lists with a dedicated spinlock
  mm: vmscan: remove deadlock due to throttling failing to make progress
  fs/proc: task_mmu.c: don't read mapcount for migration entry
  fs/binfmt_elf: fix PT_LOAD p_align values for loaders
 2022-02-12 08:57:37 -08:00
Jing Leng
1b9e740a81 kconfig: fix failing to generate auto.conf 
When the KCONFIG_AUTOCONFIG is specified (e.g. export \
KCONFIG_AUTOCONFIG=output/config/auto.conf), the directory of
include/config/ will not be created, so kconfig can't create deps
files in it and auto.conf can't be generated.

Signed-off-by: Jing Leng <jleng@ambarella.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2022-02-12 23:24:19 +09:00
Greg Kroah-Hartman
736e8d8904 Revert "usb: dwc2: drd: fix soft connect when gadget is unconfigured" 
This reverts commit 269cbcf7b7.

It causes build errors as reported by the kernel test robot.

Link: https://lore.kernel.org/r/202202112236.AwoOTtHO-lkp@intel.com
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 269cbcf7b7 ("usb: dwc2: drd: fix soft connect when gadget is unconfigured")
Cc: stable@kernel.org
Cc: Amelie Delaunay <amelie.delaunay@foss.st.com>
Cc: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-02-12 10:08:54 +01:00
Peng Liu
8913c61001 kfence: make test case compatible with run time set sample interval 
The parameter kfence_sample_interval can be set via boot parameter and
late shell command, which is convenient for automated tests and KFENCE
parameter optimization.  However, KFENCE test case just uses
compile-time CONFIG_KFENCE_SAMPLE_INTERVAL, which will make KFENCE test
case not run as users desired.  Export kfence_sample_interval, so that
KFENCE test case can use run-time-set sample interval.

Link: https://lkml.kernel.org/r/20220207034432.185532-1-liupeng256@huawei.com
Signed-off-by: Peng Liu <liupeng256@huawei.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Christian Knig <christian.koenig@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2022-02-11 17:55:00 -08:00
Roman Gushchin
0764db9b49 mm: memcg: synchronize objcg lists with a dedicated spinlock 
Alexander reported a circular lock dependency revealed by the mmap1 ltp
test:

  LOCKDEP_CIRCULAR (suite: ltp, case: mtest06 (mmap1))
          WARNING: possible circular locking dependency detected
          5.17.0-20220113.rc0.git0.f2211f194038.300.fc35.s390x+debug #1 Not tainted
          ------------------------------------------------------
          mmap1/202299 is trying to acquire lock:
          00000001892c0188 (css_set_lock){..-.}-{2:2}, at: obj_cgroup_release+0x4a/0xe0
          but task is already holding lock:
          00000000ca3b3818 (&sighand->siglock){-.-.}-{2:2}, at: force_sig_info_to_task+0x38/0x180
          which lock already depends on the new lock.
          the existing dependency chain (in reverse order) is:
          -> #1 (&sighand->siglock){-.-.}-{2:2}:
                 __lock_acquire+0x604/0xbd8
                 lock_acquire.part.0+0xe2/0x238
                 lock_acquire+0xb0/0x200
                 _raw_spin_lock_irqsave+0x6a/0xd8
                 __lock_task_sighand+0x90/0x190
                 cgroup_freeze_task+0x2e/0x90
                 cgroup_migrate_execute+0x11c/0x608
                 cgroup_update_dfl_csses+0x246/0x270
                 cgroup_subtree_control_write+0x238/0x518
                 kernfs_fop_write_iter+0x13e/0x1e0
                 new_sync_write+0x100/0x190
                 vfs_write+0x22c/0x2d8
                 ksys_write+0x6c/0xf8
                 __do_syscall+0x1da/0x208
                 system_call+0x82/0xb0
          -> #0 (css_set_lock){..-.}-{2:2}:
                 check_prev_add+0xe0/0xed8
                 validate_chain+0x736/0xb20
                 __lock_acquire+0x604/0xbd8
                 lock_acquire.part.0+0xe2/0x238
                 lock_acquire+0xb0/0x200
                 _raw_spin_lock_irqsave+0x6a/0xd8
                 obj_cgroup_release+0x4a/0xe0
                 percpu_ref_put_many.constprop.0+0x150/0x168
                 drain_obj_stock+0x94/0xe8
                 refill_obj_stock+0x94/0x278
                 obj_cgroup_charge+0x164/0x1d8
                 kmem_cache_alloc+0xac/0x528
                 __sigqueue_alloc+0x150/0x308
                 __send_signal+0x260/0x550
                 send_signal+0x7e/0x348
                 force_sig_info_to_task+0x104/0x180
                 force_sig_fault+0x48/0x58
                 __do_pgm_check+0x120/0x1f0
                 pgm_check_handler+0x11e/0x180
          other info that might help us debug this:
           Possible unsafe locking scenario:
                 CPU0                    CPU1
                 ----                    ----
            lock(&sighand->siglock);
                                         lock(css_set_lock);
                                         lock(&sighand->siglock);
            lock(css_set_lock);
           *** DEADLOCK ***
          2 locks held by mmap1/202299:
           #0: 00000000ca3b3818 (&sighand->siglock){-.-.}-{2:2}, at: force_sig_info_to_task+0x38/0x180
           #1: 00000001892ad560 (rcu_read_lock){....}-{1:2}, at: percpu_ref_put_many.constprop.0+0x0/0x168
          stack backtrace:
          CPU: 15 PID: 202299 Comm: mmap1 Not tainted 5.17.0-20220113.rc0.git0.f2211f194038.300.fc35.s390x+debug #1
          Hardware name: IBM 3906 M04 704 (LPAR)
          Call Trace:
            dump_stack_lvl+0x76/0x98
            check_noncircular+0x136/0x158
            check_prev_add+0xe0/0xed8
            validate_chain+0x736/0xb20
            __lock_acquire+0x604/0xbd8
            lock_acquire.part.0+0xe2/0x238
            lock_acquire+0xb0/0x200
            _raw_spin_lock_irqsave+0x6a/0xd8
            obj_cgroup_release+0x4a/0xe0
            percpu_ref_put_many.constprop.0+0x150/0x168
            drain_obj_stock+0x94/0xe8
            refill_obj_stock+0x94/0x278
            obj_cgroup_charge+0x164/0x1d8
            kmem_cache_alloc+0xac/0x528
            __sigqueue_alloc+0x150/0x308
            __send_signal+0x260/0x550
            send_signal+0x7e/0x348
            force_sig_info_to_task+0x104/0x180
            force_sig_fault+0x48/0x58
            __do_pgm_check+0x120/0x1f0
            pgm_check_handler+0x11e/0x180
          INFO: lockdep is turned off.

In this example a slab allocation from __send_signal() caused a
refilling and draining of a percpu objcg stock, resulted in a releasing
of another non-related objcg.  Objcg release path requires taking the
css_set_lock, which is used to synchronize objcg lists.

This can create a circular dependency with the sighandler lock, which is
taken with the locked css_set_lock by the freezer code (to freeze a
task).

In general it seems that using css_set_lock to synchronize objcg lists
makes any slab allocations and deallocation with the locked css_set_lock
and any intervened locks risky.

To fix the problem and make the code more robust let's stop using
css_set_lock to synchronize objcg lists and use a new dedicated spinlock
instead.

Link: https://lkml.kernel.org/r/Yfm1IHmoGdyUR81T@carbon.dhcp.thefacebook.com
Fixes: bf4f059954 ("mm: memcg/slab: obj_cgroup API")
Signed-off-by: Roman Gushchin <guro@fb.com>
Reported-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Tested-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Jeremy Linton <jeremy.linton@arm.com>
Tested-by: Jeremy Linton <jeremy.linton@arm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2022-02-11 17:55:00 -08:00
Mel Gorman
b485c6f1f9 mm: vmscan: remove deadlock due to throttling failing to make progress 
A soft lockup bug in kcompactd was reported in a private bugzilla with
the following visible in dmesg;

  watchdog: BUG: soft lockup - CPU#33 stuck for 26s! [kcompactd0:479]
  watchdog: BUG: soft lockup - CPU#33 stuck for 52s! [kcompactd0:479]
  watchdog: BUG: soft lockup - CPU#33 stuck for 78s! [kcompactd0:479]
  watchdog: BUG: soft lockup - CPU#33 stuck for 104s! [kcompactd0:479]

The machine had 256G of RAM with no swap and an earlier failed
allocation indicated that node 0 where kcompactd was run was potentially
unreclaimable;

  Node 0 active_anon:29355112kB inactive_anon:2913528kB active_file:0kB
    inactive_file:0kB unevictable:64kB isolated(anon):0kB isolated(file):0kB
    mapped:8kB dirty:0kB writeback:0kB shmem:26780kB shmem_thp:
    0kB shmem_pmdmapped: 0kB anon_thp: 23480320kB writeback_tmp:0kB
    kernel_stack:2272kB pagetables:24500kB all_unreclaimable? yes

Vlastimil Babka investigated a crash dump and found that a task
migrating pages was trying to drain PCP lists;

  PID: 52922  TASK: ffff969f820e5000  CPU: 19  COMMAND: "kworker/u128:3"
  Call Trace:
     __schedule
     schedule
     schedule_timeout
     wait_for_completion
     __flush_work
     __drain_all_pages
     __alloc_pages_slowpath.constprop.114
     __alloc_pages
     alloc_migration_target
     migrate_pages
     migrate_to_node
     do_migrate_pages
     cpuset_migrate_mm_workfn
     process_one_work
     worker_thread
     kthread
     ret_from_fork

This failure is specific to CONFIG_PREEMPT=n builds.  The root of the
problem is that kcompact0 is not rescheduling on a CPU while a task that
has isolated a large number of the pages from the LRU is waiting on
kcompact0 to reschedule so the pages can be released.  While
shrink_inactive_list() only loops once around too_many_isolated, reclaim
can continue without rescheduling if sc->skipped_deactivate == 1 which
could happen if there was no file LRU and the inactive anon list was not
low.

Link: https://lkml.kernel.org/r/20220203100326.GD3301@suse.de
Fixes: d818fca1ca ("mm/vmscan: throttle reclaim and compaction when too may pages are isolated")
Signed-off-by: Mel Gorman <mgorman@suse.de>
Debugged-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2022-02-11 17:55:00 -08:00
Yang Shi
24d7275ce2 fs/proc: task_mmu.c: don't read mapcount for migration entry 
The syzbot reported the below BUG:

  kernel BUG at include/linux/page-flags.h:785!
  invalid opcode: 0000 [#1] PREEMPT SMP KASAN
  CPU: 1 PID: 4392 Comm: syz-executor560 Not tainted 5.16.0-rc6-syzkaller #0
  Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
  RIP: 0010:PageDoubleMap include/linux/page-flags.h:785 [inline]
  RIP: 0010:__page_mapcount+0x2d2/0x350 mm/util.c:744
  Call Trace:
    page_mapcount include/linux/mm.h:837 [inline]
    smaps_account+0x470/0xb10 fs/proc/task_mmu.c:466
    smaps_pte_entry fs/proc/task_mmu.c:538 [inline]
    smaps_pte_range+0x611/0x1250 fs/proc/task_mmu.c:601
    walk_pmd_range mm/pagewalk.c:128 [inline]
    walk_pud_range mm/pagewalk.c:205 [inline]
    walk_p4d_range mm/pagewalk.c:240 [inline]
    walk_pgd_range mm/pagewalk.c:277 [inline]
    __walk_page_range+0xe23/0x1ea0 mm/pagewalk.c:379
    walk_page_vma+0x277/0x350 mm/pagewalk.c:530
    smap_gather_stats.part.0+0x148/0x260 fs/proc/task_mmu.c:768
    smap_gather_stats fs/proc/task_mmu.c:741 [inline]
    show_smap+0xc6/0x440 fs/proc/task_mmu.c:822
    seq_read_iter+0xbb0/0x1240 fs/seq_file.c:272
    seq_read+0x3e0/0x5b0 fs/seq_file.c:162
    vfs_read+0x1b5/0x600 fs/read_write.c:479
    ksys_read+0x12d/0x250 fs/read_write.c:619
    do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    entry_SYSCALL_64_after_hwframe+0x44/0xae

The reproducer was trying to read /proc/$PID/smaps when calling
MADV_FREE at the mean time.  MADV_FREE may split THPs if it is called
for partial THP.  It may trigger the below race:

           CPU A                         CPU B
           -----                         -----
  smaps walk:                      MADV_FREE:
  page_mapcount()
    PageCompound()
                                   split_huge_page()
    page = compound_head(page)
    PageDoubleMap(page)

When calling PageDoubleMap() this page is not a tail page of THP anymore
so the BUG is triggered.

This could be fixed by elevated refcount of the page before calling
mapcount, but that would prevent it from counting migration entries, and
it seems overkilling because the race just could happen when PMD is
split so all PTE entries of tail pages are actually migration entries,
and smaps_account() does treat migration entries as mapcount == 1 as
Kirill pointed out.

Add a new parameter for smaps_account() to tell this entry is migration
entry then skip calling page_mapcount().  Don't skip getting mapcount
for device private entries since they do track references with mapcount.

Pagemap also has the similar issue although it was not reported.  Fixed
it as well.

[shy828301@gmail.com: v4]
  Link: https://lkml.kernel.org/r/20220203182641.824731-1-shy828301@gmail.com
[nathan@kernel.org: avoid unused variable warning in pagemap_pmd_range()]
  Link: https://lkml.kernel.org/r/20220207171049.1102239-1-nathan@kernel.org
Link: https://lkml.kernel.org/r/20220120202805.3369-1-shy828301@gmail.com
Fixes: e9b61f1985 ("thp: reintroduce split_huge_page()")
Signed-off-by: Yang Shi <shy828301@gmail.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: syzbot+1f52b3a18d5633fa7f82@syzkaller.appspotmail.com
Acked-by: David Hildenbrand <david@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Jann Horn <jannh@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2022-02-11 17:55:00 -08:00
Mike Rapoport
925346c129 fs/binfmt_elf: fix PT_LOAD p_align values for loaders 
Rui Salvaterra reported that Aisleroit solitaire crashes with "Wrong
__data_start/_end pair" assertion from libgc after update to v5.17-rc1.

Bisection pointed to commit 9630f0d60f ("fs/binfmt_elf: use PT_LOAD
p_align values for static PIE") that fixed handling of static PIEs, but
made the condition that guards load_bias calculation to exclude loader
binaries.

Restoring the check for presence of interpreter fixes the problem.

Link: https://lkml.kernel.org/r/20220202121433.3697146-1-rppt@kernel.org
Fixes: 9630f0d60f ("fs/binfmt_elf: use PT_LOAD p_align values for static PIE")
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reported-by: Rui Salvaterra <rsalvaterra@gmail.com>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2022-02-11 17:55:00 -08:00
Linus Torvalds
83e3966411 ARM: SoC fixes for 5.17 
This is a fairly large set of bugfixes, most of which had
 been sent a while ago but only now made it into the soc tree:
 
 Maintainer file updates:
 
  - Claudiu Beznea now co-maintains the at91 soc family,
    replacing Ludovic Desroches.
 
  - Michael Walle maintains the sl28cpld drivers
 
  - Alain Volmat and Raphael Gallais-Pou take over some
    drivers for ST platforms
 
  - Alim Akhtar is an additional reviewer for Samsung platforms
 
 Code fixes:
 
  - Op-tee had a problem with object lifetime that needs
    a slightly complex fix, as well as another bug with
    error handling.
 
  - Several minor issues for the OMAP platform, including
    a regression with the timer
 
  - A Kconfig change to fix a build-time issue on Intel
    SoCFPGA
 
 Device tree fixes:
 
  - The Amlogic Meson platform fixes a boot regression on
    am1-odroid, a spurious interrupt, and a problem with
    reserved memory regions
 
  - In the i.MX platform, several bug fixes are needed to
    make devices work correctly: SD card detection,
    alarmtimer, and sound card on some board. One patch
    for the GPU got in there by accident and gets reverted
    again.
 
  - TI K3 needs a fix for J721S2 serial port numbers
 
  - ux500 needs a fix to mount the SD card as root on
    the Skomer phone.
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Merge tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "This is a fairly large set of bugfixes, most of which had been sent a
  while ago but only now made it into the soc tree:

  Maintainer file updates:

   - Claudiu Beznea now co-maintains the at91 soc family, replacing
     Ludovic Desroches.

   - Michael Walle maintains the sl28cpld drivers

   - Alain Volmat and Raphael Gallais-Pou take over some drivers for ST
     platforms

   - Alim Akhtar is an additional reviewer for Samsung platforms

  Code fixes:

   - Op-tee had a problem with object lifetime that needs a slightly
     complex fix, as well as another bug with error handling.

   - Several minor issues for the OMAP platform, including a regression
     with the timer

   - A Kconfig change to fix a build-time issue on Intel SoCFPGA

  Device tree fixes:

   - The Amlogic Meson platform fixes a boot regression on am1-odroid, a
     spurious interrupt, and a problem with reserved memory regions

   - In the i.MX platform, several bug fixes are needed to make devices
     work correctly: SD card detection, alarmtimer, and sound card on
     some board. One patch for the GPU got in there by accident and gets
     reverted again.

   - TI K3 needs a fix for J721S2 serial port numbers

   - ux500 needs a fix to mount the SD card as root on the Skomer phone"

* tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (46 commits)
  Revert "arm64: dts: imx8mn-venice-gw7902: disable gpu"
  arm64: Remove ARCH_VULCAN
  MAINTAINERS: add myself as a maintainer for the sl28cpld
  MAINTAINERS: add IRC to ARM sub-architectures and Devicetree
  MAINTAINERS: arm: samsung: add Git tree and IRC
  ARM: dts: Fix boot regression on Skomer
  ARM: dts: spear320: Drop unused and undocumented 'irq-over-gpio' property
  soc: aspeed: lpc-ctrl: Block error printing on probe defer cases
  docs/ABI: testing: aspeed-uart-routing: Escape asterisk
  MAINTAINERS: update drm/stm drm/sti and cec/sti maintainers
  MAINTAINERS: Update Benjamin Gaignard maintainer status
  ARM: socfpga: fix missing RESET_CONTROLLER
  arm64: dts: meson-sm1-odroid: fix boot loop after reboot
  arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610
  arm64: dts: meson-g12: add ATF BL32 reserved-memory region
  arm64: dts: meson-gx: add ATF BL32 reserved-memory region
  arm64: dts: meson-sm1-bananapi-m5: fix wrong GPIO domain for GPIOE_2
  arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator
  arm64: dts: meson-g12b-odroid-n2: fix typo 'dio2133'
  optee: use driver internal tee_context for some rpc
  ...
 2022-02-11 13:40:03 -08:00
Linus Torvalds
adccc16ea3 pci-v5.17-fixes-4 
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Merge tag 'pci-v5.17-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull pci fix from Bjorn Helgaas:
 "Revert a commit that reduced the number of IRQs used but resulted in
  interrupt storms (Bjorn Helgaas)"

* tag 'pci-v5.17-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  Revert "PCI/portdrv: Do not setup up IRQs if there are no users"
 2022-02-11 12:55:17 -08:00
Bjorn Helgaas
075b7d363c Revert "PCI/portdrv: Do not setup up IRQs if there are no users" 
This reverts commit 0e8ae5a6ff.

0e8ae5a6ff ("PCI/portdrv: Do not setup up IRQs if there are no users")
reduced usage of IRQs when we don't think we need them.  But Joey, Sergiu,
and David reported choppy GUI rendering, systems that became unresponsive
every few seconds, incorrect values reported by cpufreq, and high IRQ 16
CPU usage.

Joey bisected the issues to 0e8ae5a6ff, so revert it until we figure out
a better solution.

Link: https://lore.kernel.org/r/20220210222717.GA658201@bhelgaas
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215533
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215546
Reported-by: Joey Corleone <joey.corleone@mail.ru>
Reported-by: Sergiu Deitsch <sergiu.deitsch@gmail.com>
Reported-by: David Spencer <dspencer577@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org	# v5.16+
Cc: Jan Kiszka <jan.kiszka@siemens.com>
 2022-02-11 14:16:11 -06:00
Linus Torvalds
1d41d2e826 RISC-V Fixes for 5.17-rc4 
* A fix to avoid undefined behavior when stack backtracing, which
   manifests in GCC as incorrect stack addresses.
 * A few fixes for the XIP kernels.
 * A fix to tracking NUMA state on CPU hotplug.
 * Support for the recently relesaed binutils-2.38, which changed the
   default ISA version to one without CSRs or fence.i in I.
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Merge tag 'riscv-for-linus-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A fix to avoid undefined behavior when stack backtracing, which
   manifests in GCC as incorrect stack addresses

 - A few fixes for the XIP kernels

 - A fix to tracking NUMA state on CPU hotplug

 - Support for the recently relesaed binutils-2.38, which changed the
   default ISA version to one without CSRs or fence.i in 'I' extension

* tag 'riscv-for-linus-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: fix build with binutils 2.38
  riscv: cpu-hotplug: clear cpu from numa map when teardown
  riscv: extable: fix err reg writing in dedicated uaccess handler
  riscv/mm: Add XIP_FIXUP for riscv_pfn_base
  riscv/mm: Add XIP_FIXUP for phys_ram_base
  riscv: Fix XIP_FIXUP_FLASH_OFFSET
  riscv: eliminate unreliable __builtin_frame_address(1)
 2022-02-11 12:02:09 -08:00
Linus Torvalds
e47ca40326 arm64 fixes: 
- Enable Cortex-A510 erratum 2051678 by default as we do with other
   errata.
 
 - arm64 IORT: Check the node revision for PMCG resources to cope with
   old firmware based on a broken revision of the spec that had no way to
   describe the second register page (when an implementation is using the
   recommended RELOC_CTRS feature).
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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:

 - Enable Cortex-A510 erratum 2051678 by default as we do with other
   errata.

 - arm64 IORT: Check the node revision for PMCG resources to cope with
   old firmware based on a broken revision of the spec that had no way
   to describe the second register page (when an implementation is using
   the recommended RELOC_CTRS feature).

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  ACPI/IORT: Check node revision for PMCG resources
  arm64: Enable Cortex-A510 erratum 2051678 by default
 2022-02-11 11:55:26 -08:00
Linus Torvalds
883fd0aba1 ACPI fixes for 5.17-rc4 
- Revert a recent change that attempted to avoid issues with
    conflicting address ranges during PCI initialization, because it
    turned out to introduce a regression (Hans de Goede).
 
  - Revert a change that limited EC GPE wakeups from suspend-to-idle
    to systems based on Intel hardware, because it turned out that
    systems based on hardware from other vendors depended on that
    functionality too (Mario Limonciello).
 
  - Fix two issues related to the handling of wakeup interrupts and
    wakeup events signaled through the EC GPE during suspend-to-idle
    on x86 (Rafael Wysocki).
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Merge tag 'acpi-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These revert two commits that turned out to be problematic and fix two
  issues related to wakeup from suspend-to-idle on x86.

  Specifics:

   - Revert a recent change that attempted to avoid issues with
     conflicting address ranges during PCI initialization, because it
     turned out to introduce a regression (Hans de Goede).

   - Revert a change that limited EC GPE wakeups from suspend-to-idle to
     systems based on Intel hardware, because it turned out that systems
     based on hardware from other vendors depended on that functionality
     too (Mario Limonciello).

   - Fix two issues related to the handling of wakeup interrupts and
     wakeup events signaled through the EC GPE during suspend-to-idle on
     x86 (Rafael Wysocki)"

* tag 'acpi-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  x86/PCI: revert "Ignore E820 reservations for bridge windows on newer systems"
  PM: s2idle: ACPI: Fix wakeup interrupts handling
  ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE
  ACPI: PM: Revert "Only mark EC GPE for wakeup on Intel systems"
 2022-02-11 11:48:13 -08:00
Linus Torvalds
8ce964b520 gfs2 fixes: 
* Revert debug commit that causes unexpected data corruption.
 * Fix muti-block reservation regression.
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Merge tag 'gfs2-v5.16-rc3-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 fixes from Andreas Gruenbacher:

 - Revert debug commit that causes unexpected data corruption

 - Fix muti-block reservation regression

* tag 'gfs2-v5.16-rc3-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Fix gfs2_release for non-writers regression
  Revert "gfs2: check context in gfs2_glock_put"
 2022-02-11 11:36:32 -08:00
Linus Torvalds
cf26a2360a block-5.17-2022-02-11 
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Merge tag 'block-5.17-2022-02-11' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request
      - nvme-tcp: fix bogus request completion when failing to send AER
        (Sagi Grimberg)
      - add the missing nvme_complete_req tracepoint for batched
        completion (Bean Huo)

 - Revert of the loop async autoclear issue that has continued to plague
   us this release. A few patchsets exists to improve this, but they are
   too invasive to be considered at this point (Tetsuo)

* tag 'block-5.17-2022-02-11' of git://git.kernel.dk/linux-block:
  loop: revert "make autoclear operation asynchronous"
  nvme-tcp: fix bogus request completion when failing to send AER
  nvme: add nvme_complete_req tracepoint for batched completion
 2022-02-11 11:26:07 -08:00
Linus Torvalds
199b7f84c4 io_uring-5.17-2022-02-11 
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Merge tag 'io_uring-5.17-2022-02-11' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Fix a false-positive warning from an older gcc (Alviro)

 - Allow oom killer invocations from io_uring_setup (Shakeel)

* tag 'io_uring-5.17-2022-02-11' of git://git.kernel.dk/linux-block:
  mm: io_uring: allow oom-killer from io_uring_setup
  io_uring: Clean up a false-positive warning from GCC 9.3.0
 2022-02-11 11:18:42 -08:00
Linus Torvalds
0b9df43619 gpio fixes for v5.17-rc4 
- use sleeping variants of GPIO accessors where needed in gpio-aggregator
 - never return kernel's internal error codes to user-space in gpiolib core
 - use the correct register for reading output values in gpio-sifive
 - fix line hogging in gpio-sim
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Merge tag 'gpio-fixes-for-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - use sleeping variants of GPIO accessors where needed
   in gpio-aggregator

 - never return kernel's internal error codes to user-space
   in gpiolib core

 - use the correct register for reading output values in
   gpio-sifive

 - fix line hogging in gpio-sim

* tag 'gpio-fixes-for-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: sim: fix hogs with custom chip labels
  gpio: sifive: use the correct register to read output values
  gpiolib: Never return internal error codes to user space
  gpio: aggregator: Fix calling into sleeping GPIO controllers
 2022-02-11 11:05:49 -08:00
Linus Torvalds
284fce0443 ata fixes for 5.17-rc4 
A couple of additional fixes for 5.17-rc4:
 
 * Fix compilation warnings in the sata_fsl driver (powerpc), from me.
 
 * Disable TRIM commands on M88V29 devices as these commands are failing
   despite the device reporting it supports TRIM. From Zoltan.
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Merge tag 'ata-5.17-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata

Pull ata fixes from Damien Le Moal:
 "A couple of additional fixes for 5.17-rc4:

   - Fix compilation warnings in the sata_fsl driver (powerpc) (me)

   - Disable TRIM commands on M88V29 devices as these commands are
     failing despite the device reporting it supports TRIM (Zoltan)"

* tag 'ata-5.17-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
  ata: libata-core: Disable TRIM on M88V29
  ata: sata_fsl: fix sscanf() and sysfs_emit() format strings
 2022-02-11 10:42:31 -08:00
Linus Torvalds
c3ee3a9e4f drm fixes for 5.17-rc4 
fbdev:
 - MAINTAINERS: add Daniel as fbdev core module maintainer
 - build warning fix
 - implicit type cast fix
 
 panel:
 - simple: Fix assignments from panel_dpi_probe()
 
 privacy-screen:
 - fix docs warning
 
 i915:
 - non-x86 build fix
 - ttm error propogation fix
 - drrs on hsw/ivb disabled
 - BIOS readout fixes
 - missing stackdepot oops fix
 
 amd:
 - DCN 3.1 display fixes
 - GC 10.3.1 harvest fix
 - Page flip irq fix
 - hwmon label fix
 - DCN 2.0 display fix
 
 rockchip:
 - fix HDMI error cleanup
 - fix RK3399 VOP register fields
 
 vc4:
 - HDMI fixes
 - remove redundant code.
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Merge tag 'drm-fixes-2022-02-11' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular fixes pull, mostly i915 and amd fixes, along with a
  maintainers update for fbdev core.

  Otherwise just some build fixes and vc4 HDMI fixes.

  fbdev:
   - MAINTAINERS: add Daniel as fbdev core module maintainer
   - build warning fix
   - implicit type cast fix

  panel:
   - simple: Fix assignments from panel_dpi_probe()

  privacy-screen:
   - fix docs warning

  i915:
   - non-x86 build fix
   - ttm error propogation fix
   - drrs on hsw/ivb disabled
   - BIOS readout fixes
   - missing stackdepot oops fix

  amd:
   - DCN 3.1 display fixes
   - GC 10.3.1 harvest fix
   - Page flip irq fix
   - hwmon label fix
   - DCN 2.0 display fix

  rockchip:
   - fix HDMI error cleanup
   - fix RK3399 VOP register fields

  vc4:
   - HDMI fixes
   - remove redundant code"

* tag 'drm-fixes-2022-02-11' of git://anongit.freedesktop.org/drm/drm: (25 commits)
  drm/amdgpu/display: change pipe policy for DCN 2.0
  drm/amd/pm: fix hwmon node of power1_label create issue
  drm/amd/display: keep eDP Vdd on when eDP stream is already enabled
  drm/amd/display: fix yellow carp wm clamping
  drm/amd/display: Cap pflip irqs per max otg number
  drm/amdgpu: add utcl2_harvest to gc 10.3.1
  display/amd: decrease message verbosity about watermarks table failure
  drm/rockchip: vop: Correct RK3399 VOP register fields
  drm/rockchip: dw_hdmi: Do not leave clock enabled in error case
  MAINTAINERS: Add entry for fbdev core
  fbcon: Avoid 'cap' set but not used warning
  drm/privacy-screen: Fix sphinx warning
  drm/i915: Workaround broken BIOS DBUF configuration on TGL/RKL
  drm/i915: Populate pipe dbuf slices more accurately during readout
  drm/i915: Allow !join_mbus cases for adlp+ dbuf configuration
  drm/i915: Fix header test for !CONFIG_X86
  drm/i915/ttm: Return some errors instead of trying memcpy move
  drm/i915: Disable DRRS on IVB/HSW port != A
  drm/i915: Fix oops due to missing stack depot
  drm/vc4: crtc: Fix redundant variable assignment
  ...
 2022-02-11 10:35:12 -08:00
Linus Torvalds
32f6c5d037 Tracing fixes: 
- Fixes to the RTLA tooling.
 
  - A fix to a tp_printk overriding tp_printk_stop_on_boot on command line.
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Merge tag 'trace-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fixes to the RTLA tooling

 - A fix to a tp_printk overriding tp_printk_stop_on_boot on the
   command line

* tag 'trace-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Fix tp_printk option related with tp_printk_stop_on_boot
  MAINTAINERS: Add RTLA entry
  rtla: Fix segmentation fault when failing to enable -t
  rtla/trace: Error message fixup
  rtla/utils: Fix session duration parsing
  rtla: Follow kernel version
 2022-02-11 10:22:48 -08:00
Bob Peterson
d3add1a951 gfs2: Fix gfs2_release for non-writers regression 
When a file is opened for writing, the vfs code (do_dentry_open)
calls get_write_access for the inode, thus incrementing the inode's write
count. That writer normally then creates a multi-block reservation for
the inode (i_res) that can be re-used by other writers, which speeds up
writes for applications that stupidly loop on open/write/close.
When the writes are all done, the multi-block reservation should be
deleted when the file is closed by the last "writer."

Commit 0ec9b9ea4f broke that concept when it moved the call to
gfs2_rs_delete before the check for FMODE_WRITE.  Non-writers have no
business removing the multi-block reservations of writers. In fact, if
someone opens and closes the file for RO while a writer has a
multi-block reservation, the RO closer will delete the reservation
midway through the write, and this results in:

kernel BUG at fs/gfs2/rgrp.c:677! (or thereabouts) which is:
BUG_ON(rs->rs_requested); from function gfs2_rs_deltree.

This patch moves the check back inside the check for FMODE_WRITE.

Fixes: 0ec9b9ea4f ("gfs2: Check for active reservation in gfs2_release")
Cc: stable@vger.kernel.org # v5.12+
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2022-02-11 17:44:42 +01:00
Andreas Gruenbacher
356b8103d4 Revert "gfs2: check context in gfs2_glock_put" 
It turns out that the might_sleep() call that commit 660a6126f8 adds
is triggering occasional data corruption in testing.  We're not sure
about the root cause yet, but since this commit was added as a debugging
aid only, revert it for now.

This reverts commit 660a6126f8.

Fixes: 660a6126f8 ("gfs2: check context in gfs2_glock_put")
Cc: stable@vger.kernel.org # v5.16+
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2022-02-11 17:44:11 +01:00
Rafael J. Wysocki
27a98fe60b Merge branch 'acpi-x86' 
Merge a revert of a problematic commit for 5.17-rc4.

* acpi-x86:
  x86/PCI: revert "Ignore E820 reservations for bridge windows on newer systems"
 2022-02-11 17:32:20 +01:00
Greg Kroah-Hartman
c1dd10c681 USB-serial fixes for 5.17-rc4 
Here are some new device ids for 5.17-rc4.
 
 All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-5.17-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for 5.17-rc4

Here are some new device ids for 5.17-rc4.

All have been in linux-next with no reported issues.

* tag 'usb-serial-5.17-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: cp210x: add CPI Bulk Coin Recycler id
  USB: serial: cp210x: add NCR Retail IO box id
  USB: serial: ftdi_sio: add support for Brainboxes US-159/235/320
  USB: serial: option: add ZTE MF286D modem
  USB: serial: ch341: add support for GW Instek USB2.0-Serial devices
 2022-02-11 16:44:20 +01:00
Tetsuo Handa
bf23747ee0 loop: revert "make autoclear operation asynchronous" 
The kernel test robot is reporting that xfstest which does

  umount ext2 on xfs
  umount xfs

sequence started failing, for commit 322c4293ec ("loop: make
autoclear operation asynchronous") removed a guarantee that fput() of
backing file is processed before lo_release() from close() returns to
user mode.

And syzbot is reporting that deferring destroy_workqueue() from
__loop_clr_fd() to a WQ context did not help [1]. Revert that commit.

Link: https://syzkaller.appspot.com/bug?extid=831661966588c802aae9 [1]
Reported-by: kernel test robot <oliver.sang@intel.com>
Acked-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reported-by: syzbot <syzbot+831661966588c802aae9@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: https://lore.kernel.org/r/20220211071554.3424-1-penguin-kernel@I-love.SAKURA.ne.jp
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2022-02-11 05:51:23 -07:00