Some architectures might seek to utilize a significant portion of the
generic kernel code while maintaining independence from the generic
kernel due to specific peculiarities.

This patch allows for the reuse of core code, preventing unnecessary
duplication.
Suggested-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Add a device tree for the Mobileye EPM5 evaluation board.
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Add a device tree include file for the Mobileye EyeQ5 SoC.

Based on the work of Slava Samsonov <stanislav.samsonov@intel.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Add the yaml bindings for Mobileye SoCs. Currently only EyeQ5 is
supported
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The MIPS Warrior I-class I6500 was announced by Imagination
Technologies in 2016 and is used in the Mobileye SoC EyeQ5.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The entries were nearly sorted but there were still some entries at
the wrong places. Let's fix it.
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Mobileye Vision Technologies Ltd. is a company developing autonomous
driving technologies and advanced driver-assistance systems (ADAS)
including cameras, computer chips and software.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Some access are 32 bits only while they seems better to be done in
64bis for 64 bit kernel.

This was extract from an initial patch from Jiaxun
Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

With the expanded support for placing the kernel in XPHYS rather than
just KSEG0, scenarios where ebase doesn't belong to KSEG0 are more
likely to occur. In such cases, we currently experience a substantial
and perplexing stack dump without any accompanying explanation. To
rectify this, we aim to replace the uninformative stack dump with a
warning that offers a clear explanation of the issue.
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Now the exception vector for CPS systems are allocated on-fly
with memblock as well.

It will try to allocate from KSEG1 first, and then try to allocate
in low 4G if possible.

The main reset vector is now generated by uasm, to avoid tons
of patches to the code. Other vectors are copied to the location
later.

    move 64bits fix in an other patch
    fix cache issue with mips_cps_core_entry
    rewrite the patch to reduce the diff stat
    move extern in header
    use cache address for copying vector

gc: use the new macro CKSEG[0A1]DDR_OR_64BIT()
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

ebase might reside in XKPHYS if memblock is unable to allocate memory
within the KSEG0 physical range.

To map EBASE into uncached space, we convert it back to its physical
address and utilize the new CKSEG1ADDR_OR_64BIT helper for mapping.
Co-developed-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
Co-developed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Define CKSEGX_SIZE to represent the size of each KSEG segment.

Introduce CKSEG0ADDR_OR_64BIT and CKSEG1ADDR_OR_64BIT to get an XPHYS
address in 64bits and CKSEG[01]ADDR() in 32 bits mode.
Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Use GPR number macros in uasm code generation parts to
reduce code duplication.

There are functional change due to difference in register
symbolic names between OABI and NABI, while existing code
is only using definitions from OABI.

Code pieces are carefully inspected to ensure register
usages are safe on NABI as well.

We changed register allocation of r_pcohctl from T7 to T8
as T7 is not available on NABI and we just want a caller
saved scratch register here.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Use GPR number macros in uasm code generation parts to
reduce code duplication.

No functional change.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Use GPR number macros in uasm code generation parts to
reduce code duplication.

No functional change.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Use GPR number macros in uasm code generation parts to
reduce code duplication.

No functional change.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Use GPR number macros in uasm code generation parts to
reduce code duplication.

No functional change.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Define a set of register numbers with their symbolic
names to help with uasm code.

All names are prefixed by GPR_ to prevent naming
clash.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Those definitions are only meant to be used in pure assembly code.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Definitions of uasm variant of CP0 registers are unified to
mipsregs.h, so they lay together with uasm variant of
the code.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Merge tag 'kbuild-fixes-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Reformat nested if-conditionals in Makefiles with 4 spaces

 - Fix CONFIG_DEBUG_INFO_BTF builds for big endian

 - Fix modpost for module srcversion

 - Fix an escape sequence warning in gen_compile_commands.py

 - Fix kallsyms to ignore ARMv4 thunk symbols

* tag 'kbuild-fixes-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kallsyms: ignore ARMv4 thunks along with others
  modpost: trim leading spaces when processing source files list
  gen_compile_commands: fix invalid escape sequence warning
  kbuild: Fix changing ELF file type for output of gen_btf for big endian
  docs: kconfig: Fix grammar and formatting
  kbuild: use 4-space indentation when followed by conditionals

Pull x86 fix from Borislav Petkov:

 - Use a GB page for identity mapping only when memory of this size is
   requested so that mapping of reserved regions is prevented which
   would otherwise lead to system crashes on UV machines

* tag 'x86_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm/ident_map: Use gbpages only where full GB page should be mapped.

Pull irq fixes from Borislav Petkov:

 - Fix GICv4.1 affinity update

 - Restore a quirk for ACPI-based GICv4 systems

 - Handle non-coherent GICv4 redistributors properly

 - Prevent spurious interrupts on Broadcom devices using GIC v3
   architecture

 - Other minor fixes

* tag 'irq_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/gic-v3-its: Fix GICv4.1 VPE affinity update
  irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems
  irqchip/gic-v3-its: Handle non-coherent GICv4 redistributors
  irqchip/qcom-mpm: Fix IS_ERR() vs NULL check in qcom_mpm_init()
  irqchip/loongson-eiointc: Use correct struct type in eiointc_domain_alloc()
  irqchip/irq-brcmstb-l2: Add write memory barrier before exit

Pull i2c fixes from Wolfram Sang:
 "Two fixes for i801 and qcom-geni devices. Meanwhile, a fix from Arnd
  addresses a compilation error encountered during compile test on
  powerpc"

* tag 'i2c-for-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: i801: Fix block process call transactions
  i2c: pasemi: split driver into two separate modules
  i2c: qcom-geni: Correct I2C TRE sequence

Pull powerpc fixes from Michael Ellerman:
 "This is a bit of a big batch for rc4, but just due to holiday hangover
  and because I didn't send any fixes last week due to a late revert
  request. I think next week should be back to normal.

   - Fix ftrace bug on boot caused by exit text sections with
     '-fpatchable-function-entry'

   - Fix accuracy of stolen time on pseries since the switch to
     VIRT_CPU_ACCOUNTING_GEN

   - Fix a crash in the IOMMU code when doing DLPAR remove

   - Set pt_regs->link on scv entry to fix BPF stack unwinding

   - Add missing PPC_FEATURE_BOOKE on 64-bit e5500/e6500, which broke
     gdb

   - Fix boot on some 6xx platforms with STRICT_KERNEL_RWX enabled

   - Fix build failures with KASAN enabled and 32KB stack size

   - Some other minor fixes

  Thanks to Arnd Bergmann, Benjamin Gray, Christophe Leroy, David
  Engraf, Gaurav Batra, Jason Gunthorpe, Jiangfeng Xiao, Matthias
  Schiffer, Nathan Lynch, Naveen N Rao, Nicholas Piggin, Nysal Jan K.A,
  R Nageswara Sastry, Shivaprasad G Bhat, Shrikanth Hegde, Spoorthy,
  Srikar Dronamraju, and Venkat Rao Bagalkote"

* tag 'powerpc-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach
  powerpc/pseries: fix accuracy of stolen time
  powerpc/ftrace: Ignore ftrace locations in exit text sections
  powerpc/cputable: Add missing PPC_FEATURE_BOOKE on PPC64 Book-E
  powerpc/kasan: Limit KASAN thread size increase to 32KB
  Revert "powerpc/pseries/iommu: Fix iommu initialisation during DLPAR add"
  powerpc: 85xx: mark local functions static
  powerpc: udbg_memcons: mark functions static
  powerpc/kasan: Fix addr error caused by page alignment
  powerpc/6xx: set High BAT Enable flag on G2_LE cores
  selftests/powerpc/papr_vpd: Check devfd before get_system_loc_code()
  powerpc/64: Set task pt_regs->link to the LR value on scv entry
  powerpc/pseries/iommu: Fix iommu initialisation during DLPAR add
  powerpc/pseries/papr-sysparm: use u8 arrays for payloads

Pull bcachefs fixes from Kent Overstreet:
 "Mostly pretty trivial, the user visible ones are:

   - don't barf when replicas_required > replicas

   - fix check_version_upgrade() so it doesn't do something nonsensical
     when we're downgrading"

* tag 'bcachefs-2024-02-17' of https://evilpiepirate.org/git/bcachefs:
  bcachefs: Fix missing va_end()
  bcachefs: Fix check_version_upgrade()
  bcachefs: Clamp replicas_required to replicas
  bcachefs: fix missing endiannes conversion in sb_members
  bcachefs: fix kmemleak in __bch2_read_super error handling path
  bcachefs: Fix missing bch2_err_class() calls

Pull driver core fixes from Greg KH:
 "Here are some driver core fixes, a kobject fix, and a documentation
  update for 6.8-rc5. In detail these changes are:

   - devlink fixes for reported issues with 6.8-rc1

   - topology scheduling regression fix that has been reported by many

   - kobject loosening of checks change in -rc1 is now reverted as some
     codepaths seemed to need the checks

   - documentation update for the CVE process. Has been reviewed by
     many, the last minute change to the document was to bring the .rst
     format back into the the new style rules, the contents did not
     change.

  All of these, except for the documentation update, have been in
  linux-next for over a week. The documentation update has been reviewed
  for weeks by a group of developers, and in public for a week and the
  wording has stabilized for now. If future changes are needed, we can
  do so before 6.8-final is out (or anytime after that)"

* tag 'driver-core-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Documentation: Document the Linux Kernel CVE process
  Revert "kobject: Remove redundant checks for whether ktype is NULL"
  driver core: fw_devlink: Improve logs for cycle detection
  driver core: fw_devlink: Improve detection of overlapping cycles
  driver core: Fix device_link_flag_is_sync_state_only()
  topology: Set capacity_freq_ref in all cases

Pull char / miscdriver fixes from Greg KH:
 "Here is a small set of char/misc and IIO driver fixes for 6.8-rc5.

  Included in here are:

   - lots of iio driver fixes for reported issues

   - nvmem device naming fixup for reported problem

   - interconnect driver fixes for reported issues

  All of these have been in linux-next for a while with no reported the
  issues (the nvmem patch was included in a different branch in
  linux-next before sent to me for inclusion here)"

* tag 'char-misc-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
  nvmem: include bit index in cell sysfs file name
  iio: adc: ad4130: only set GPIO_CTRL if pin is unused
  iio: adc: ad4130: zero-initialize clock init data
  interconnect: qcom: x1e80100: Add missing ACV enable_mask
  interconnect: qcom: sm8650: Use correct ACV enable_mask
  iio: accel: bma400: Fix a compilation problem
  iio: commom: st_sensors: ensure proper DMA alignment
  iio: hid-sensor-als: Return 0 for HID_USAGE_SENSOR_TIME_TIMESTAMP
  iio: move LIGHT_UVA and LIGHT_UVB to the end of iio_modifier
  staging: iio: ad5933: fix type mismatch regression
  iio: humidity: hdc3020: fix temperature offset
  iio: adc: ad7091r8: Fix error code in ad7091r8_gpio_setup()
  iio: adc: ad_sigma_delta: ensure proper DMA alignment
  iio: imu: adis: ensure proper DMA alignment
  iio: humidity: hdc3020: Add Makefile, Kconfig and MAINTAINERS entry
  iio: imu: bno055: serdev requires REGMAP
  iio: magnetometer: rm3100: add boundary check for the value read from RM3100_REG_TMRC
  iio: pressure: bmp280: Add missing bmp085 to SPI id table
  iio: core: fix memleak in iio_device_register_sysfs
  interconnect: qcom: sm8550: Enable sync_state
  ...

Pull tty / serial fixes from Greg KH:
 "Here are three small tty and serial driver fixes for 6.8-rc5:

   - revert a 8250_pci1xxxx off-by-one change that was incorrect

   - two changes to fix the transmit path of the mxs-auart driver,
     fixing a regression in the 6.2 release

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

* tag 'tty-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: mxs-auart: fix tx
  serial: core: introduce uart_port_tx_flags()
  serial: 8250_pci1xxxx: partially revert off by one patch

Pull USB / Thunderbolt fixes from Greg KH:
 "Here are two small fixes for 6.8-rc5:

   - thunderbolt to fix a reported issue on many platforms

   - dwc3 driver revert of a commit that caused problems in -rc1

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

* tag 'usb-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  Revert "usb: dwc3: Support EBC feature of DWC_usb31"
  thunderbolt: Fix setting the CNS bit in ROUTER_CS_5

Pull media fixes from Mauro Carvalho Chehab:

 - regression fix for rkisp1 shared IRQ logic

 - fix atomisp breakage due to a kAPI change

 - permission fix for remote controller BPF support

 - memleak fix in ir_toy driver

 - Kconfig dependency fix for pwm-ir-rx

* tag 'media/v6.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: pwm-ir-tx: Depend on CONFIG_HIGH_RES_TIMERS
  media: ir_toy: fix a memleak in irtoy_tx
  media: rc: bpf attach/detach requires write permission
  media: atomisp: Adjust for v4l2_subdev_state handling changes in 6.8
  media: rkisp1: Fix IRQ handling due to shared interrupts
  media: Revert "media: rkisp1: Drop IRQF_SHARED"

Pull pci fixes from Bjorn Helgaas:

 - Keep bridges in D0 if we need to poll downstream devices for PME to
   resolve a v6.6 regression where we failed to enumerate devices below
   bridges put in D3hot by runtime PM, e.g., NVMe drives connected via
   Thunderbolt or USB4 docks (Alex Williamson)

 - Add Siddharth Vadapalli as PCI TI DRA7XX/J721E reviewer

* tag 'pci-v6.8-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  MAINTAINERS: Add Siddharth Vadapalli as PCI TI DRA7XX/J721E reviewer
  PCI: Fix active state requirement in PME polling

Merge tag 'probes-fixes-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fix from Masami Hiramatsu:

 - tracing/probes: Fix BTF structure member finder to find the members
   which are placed after any anonymous union member correctly.

* tag 'probes-fixes-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/probes: Fix to search structure fields correctly

Pull smb client fixes from Steve French:
 "Five smb3 client fixes, most also for stable:

   - Two multichannel fixes (one to fix potential handle leak on retry)

   - Work around possible serious data corruption (due to change in
     folios in 6.3, for cases when non standard maximum write size
     negotiated)

   - Symlink creation fix

   - Multiuser automount fix"

* tag '6.8-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  smb: Fix regression in writes when non-standard maximum write size negotiated
  smb: client: handle path separator of created SMB symlinks
  smb: client: set correct id, uid and cruid for multiuser automounts
  cifs: update the same create_guid on replay
  cifs: fix underflow in parse_server_interfaces()

The Linux kernel project now has the ability to assign CVEs to fixed
issues, so document the process and how individual developers can get a
CVE if one is not automatically assigned for their fixes.
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/2024021731-essence-sadness-28fd@gregkhSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fix to search a field from the structure which has anonymous union
correctly.
Since the reference `type` pointer was updated in the loop, the search
loop suddenly aborted where it hits an anonymous union. Thus it can not
find the field after the anonymous union. This avoids updating the
cursor `type` pointer in the loop.

Link: https://lore.kernel.org/all/170791694361.389532.10047514554799419688.stgit@devnote2/

Fixes: 302db0f5 ("tracing/probes: Add a function to search a member of a struct/union")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>

Merge tag 'i2c-host-fixes-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current

Three fixes are included here. Two are strictly hardware-related
for the i801 and qcom-geni devices. Meanwhile, a fix from Arnd
addresses a compilation error encountered during compile test on
powerpc.

Since I have been contributing to the driver for a while and wish to help
with the review process, add myself as a reviewer.

Link: https://lore.kernel.org/r/20240216065926.473805-1-s-vadapalli@ti.comSigned-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

Pull SCSI fixes from James Bottomley:
 "Three fixes: the two fnic ones are a revert and a refix, which is why
  the diffstat is a bit big. The target one also extracts a function to
  add a check for configuration and so looks bigger than it is"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: fnic: Move fnic_fnic_flush_tx() to a work queue
  scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock"
  scsi: target: Fix unmap setup during configuration