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RAC flush causes kernel panics on BCM6358 with EHCI/OHCI when booting from TP1:
[ 3.881739] usb 1-1: new high-speed USB device number 2 using ehci-platform
[ 3.895011] Reserved instruction in kernel code[#1]:
[ 3.900113] CPU: 0 PID: 1 Comm: init Not tainted 5.10.16 #0
[ 3.905829] $ 0 : 00000000 10008700 00000000 77d94060
[ 3.911238] $ 4 : 7fd1f088 00000000 81431cac 81431ca0
[ 3.916641] $ 8 : 00000000 ffffefff 8075cd34 00000000
[ 3.922043] $12 : 806f8d40 f3e812b7 00000000 000d9aaa
[ 3.927446] $16 : 7fd1f068 7fd1f080 7ff559b8 81428470
[ 3.932848] $20 : 00000000 00000000 55590000 77d70000
[ 3.938251] $24 : 00000018 00000010
[ 3.943655] $28 : 81430000 81431e60 81431f28 800157fc
[ 3.949058] Hi : 00000000
[ 3.952013] Lo : 00000000
[ 3.955019] epc : 80015808 setup_sigcontext+0x54/0x24c
[ 3.960464] ra : 800157fc setup_sigcontext+0x48/0x24c
[ 3.965913] Status: 10008703 KERNEL EXL IE
[ 3.970216] Cause : 00800028 (ExcCode 0a)
[ 3.974340] PrId : 0002a010 (Broadcom BMIPS4350)
[ 3.979170] Modules linked in: ohci_platform ohci_hcd fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common
[ 3.992907] Process init (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=77e22ec8)
[ 4.000776] Stack : 81431ef4 7fd1f080 81431f28 81428470 7fd1f068 81431edc 7ff559b8 81428470
[ 4.009467] 81431f28 7fd1f080 55590000 77d70000 77d5498c 80015c70 806f0000 8063ae74
[ 4.018149] 08100002 81431f28 0000000a 08100002 81431f28 0000000a 77d6b418 00000003
[ 4.026831] ffffffff 80016414 80080734 81431ecc 81431ecc 00000001 00000000 04000000
[ 4.035512] 77d54874 00000000 00000000 00000000 00000000 00000012 00000002 00000000
[ 4.044196] ...
[ 4.046706] Call Trace:
[ 4.049238] [<80015808>] setup_sigcontext+0x54/0x24c
[ 4.054356] [<80015c70>] setup_frame+0xdc/0x124
[ 4.059015] [<80016414>] do_notify_resume+0x1dc/0x288
[ 4.064207] [<80011b50>] work_notifysig+0x10/0x18
[ 4.069036]
[ 4.070538] Code: 8fc300b4 00001025 26240008 <ac820000> ac830004 3c048063 0c0228aa 24846a00 26240010
[ 4.080686]
[ 4.082517] ---[ end trace 22a8edb41f5f983b ]---
[ 4.087374] Kernel panic - not syncing: Fatal exception
[ 4.092753] Rebooting in 1 seconds..
Because the bootloader (CFE) is not initializing the Read-ahead cache properly
on the second thread (TP1). Since the RAC was not initialized properly, we
should avoid flushing it at the risk of corrupting the instruction stream as
seen in the trace above.
Fixes: d59098a0e9cb ("MIPS: bmips: use generic dma noncoherent ops")
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter and bpf.
Current release - regressions:
- core: avoid skb end_offset change in __skb_unclone_keeptruesize()
- sched:
- act_connmark: handle errno on tcf_idr_check_alloc
- flower: fix fl_change() error recovery path
- ieee802154: prevent user from crashing the host
Current release - new code bugs:
- eth: bnxt_en: fix the double free during device removal
- tools: ynl:
- fix enum-as-flags in the generic CLI
- fully inherit attrs in subsets
- re-license uniformly under GPL-2.0 or BSD-3-clause
Previous releases - regressions:
- core: use indirect calls helpers for sk_exit_memory_pressure()
- tls:
- fix return value for async crypto
- avoid hanging tasks on the tx_lock
- eth: ice: copy last block omitted in ice_get_module_eeprom()
Previous releases - always broken:
- core: avoid double iput when sock_alloc_file fails
- af_unix: fix struct pid leaks in OOB support
- tls:
- fix possible race condition
- fix device-offloaded sendpage straddling records
- bpf:
- sockmap: fix an infinite loop error
- test_run: fix &xdp_frame misplacement for LIVE_FRAMES
- fix resolving BTF_KIND_VAR after ARRAY, STRUCT, UNION, PTR
- netfilter: tproxy: fix deadlock due to missing BH disable
- phylib: get rid of unnecessary locking
- eth: bgmac: fix *initial* chip reset to support BCM5358
- eth: nfp: fix csum for ipsec offload
- eth: mtk_eth_soc: fix RX data corruption issue
Misc:
- usb: qmi_wwan: add telit 0x1080 composition"
* tag 'net-6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (64 commits)
tools: ynl: fix enum-as-flags in the generic CLI
tools: ynl: move the enum classes to shared code
net: avoid double iput when sock_alloc_file fails
af_unix: fix struct pid leaks in OOB support
eth: fealnx: bring back this old driver
net: dsa: mt7530: permit port 5 to work without port 6 on MT7621 SoC
net: microchip: sparx5: fix deletion of existing DSCP mappings
octeontx2-af: Unlock contexts in the queue context cache in case of fault detection
net/smc: fix fallback failed while sendmsg with fastopen
ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause
mailmap: update entries for Stephen Hemminger
mailmap: add entry for Maxim Mikityanskiy
nfc: change order inside nfc_se_io error path
ethernet: ice: avoid gcc-9 integer overflow warning
ice: don't ignore return codes in VSI related code
ice: Fix DSCP PFC TLV creation
net: usb: qmi_wwan: add Telit 0x1080 composition
net: usb: cdc_mbim: avoid altsetting toggling for Telit FE990
netfilter: conntrack: adopt safer max chain length
net: tls: fix device-offloaded sendpage straddling records
...
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This reverts commit d5e2d038dbece821f1af57acbeded3aa9a1832c1.
We have a report of this chip being used on a
SURECOM EP-320X-S 100/10M Ethernet PCI Adapter
which could still have been purchased in some parts
of the world 3 years ago.
Cc: stable@vger.kernel.org
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217151
Fixes: d5e2d038dbec ("eth: fealnx: delete the driver for Myson MTD-800")
Link: https://lore.kernel.org/r/20230307171930.4008454-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull more MIPS updates from Thomas Bogendoerfer:
"A few more cleanups and fixes"
* tag 'mips_6.3_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: Workaround clang inline compat branch issue
mips: dts: ralink: mt7621: add phandle to system controller node for watchdog
mips: dts: ralink: mt7621: rename watchdog node from 'wdt' into 'watchdog'
mips: ralink: make SOC_MT7621 select PINCTRL
mips: remove SYS_HAS_CPU_MIPS32_R1 from RALINK
MIPS: cevt-r4k: Offset the value used to clear compare interrupt
MIPS: smp-cps: Don't rely on CP0_CMGCRBASE
MIPS: Remove DMA_PERDEV_COHERENT
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Clang is unable to handle the situation that a chunk of inline
assembly ends with a compat branch instruction and then compiler
generates another control transfer instruction immediately after
this compat branch. The later instruction will end up in forbidden
slot and cause exception.
Workaround by add a option to control the use of compact branch.
Currently it's selected by CC_IS_CLANG and hopefully we can change
it to a version check in future if clang manages to fix it.
Fix boot on boston board.
Link: https://github.com/llvm/llvm-project/issues/61045
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Acked-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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To allow to access system controller registers from watchdog driver code
add a phandle in the watchdog 'wdt' node. This avoid using arch dependent
operations in driver code.
Reviewed-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Watchdog nodes must use 'watchdog' for node name. When a 'make dtbs_check'
is performed the following warning appears:
wdt@100: $nodename:0: 'wdt@100' does not match '^watchdog(@.*|-[0-9a-f])?$'
Fix this warning up properly renaming the node into 'watchdog'.
Reviewed-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Currently, out of every Ralink SoC, only the dt-binding of the MT7621 SoC
uses pinctrl. Because of this, PINCTRL is not selected at all. Make
SOC_MT7621 select PINCTRL.
Remove PINCTRL_MT7621, enabling it for the MT7621 SoC will be handled under
the PINCTRL_MT7621 option.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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All MIPS processors on the Ralink SoCs implement the MIPS32 Release 2
Architecture. Remove SYS_HAS_CPU_MIPS32_R1.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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In c0_compare_int_usable we clear compare interrupt by write value
just read out from counter to compare register.
However sometimes if those all instructions are graduated together
then it's possible that at the time compare register is written, the
counter haven't progressed, thus the interrupt is triggered again.
It also applies to QEMU that instructions is executed significantly
faster then counter.
Offset the value used to clear interrupt by one to prevent that happen.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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CP0_CMGCRBASE is not always available on CPS enabled system
such as early proAptiv.
For early SMP bring up where we can't safely access memeory,
we patch the entry of CPS NMI vector to inject CMGCR address
directly into register during early core bringup.
For VPE bringup as the core is already coherenct at that point
we just read the variable to obtain the address.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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As now we are always managing DMA coherence on per dev bias,
there is no need to have such option. And it's not selected
by any platform.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Change V=1 option to print both short log and full command log
- Allow V=1 and V=2 to be combined as V=12
- Make W=1 detect wrong .gitignore files
- Tree-wide cleanups for unused command line arguments passed to Clang
- Stop using -Qunused-arguments with Clang
- Make scripts/setlocalversion handle only correct release tags instead
of any arbitrary annotated tag
- Create Debian and RPM source packages without cleaning the source
tree
- Various cleanups for packaging
* tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (74 commits)
kbuild: rpm-pkg: remove unneeded KERNELRELEASE from modules/headers_install
docs: kbuild: remove description of KBUILD_LDS_MODULE
.gitattributes: use 'dts' diff driver for *.dtso files
kbuild: deb-pkg: improve the usability of source package
kbuild: deb-pkg: fix binary-arch and clean in debian/rules
kbuild: tar-pkg: use tar rules in scripts/Makefile.package
kbuild: make perf-tar*-src-pkg work without relying on git
kbuild: deb-pkg: switch over to source format 3.0 (quilt)
kbuild: deb-pkg: make .orig tarball a hard link if possible
kbuild: deb-pkg: hide KDEB_SOURCENAME from Makefile
kbuild: srcrpm-pkg: create source package without cleaning
kbuild: rpm-pkg: build binary packages from source rpm
kbuild: deb-pkg: create source package without cleaning
kbuild: add a tool to list files ignored by git
Documentation/llvm: add Chimera Linux, Google and Meta datacenters
setlocalversion: use only the correct release tag for git-describe
setlocalversion: clean up the construction of version output
.gitignore: ignore *.cover and *.mbx
kbuild: remove --include-dir MAKEFLAG from top Makefile
kbuild: fix trivial typo in comment
...
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Pull kvm updates from Paolo Bonzini:
"ARM:
- Provide a virtual cache topology to the guest to avoid
inconsistencies with migration on heterogenous systems. Non secure
software has no practical need to traverse the caches by set/way in
the first place
- Add support for taking stage-2 access faults in parallel. This was
an accidental omission in the original parallel faults
implementation, but should provide a marginal improvement to
machines w/o FEAT_HAFDBS (such as hardware from the fruit company)
- A preamble to adding support for nested virtualization to KVM,
including vEL2 register state, rudimentary nested exception
handling and masking unsupported features for nested guests
- Fixes to the PSCI relay that avoid an unexpected host SVE trap when
resuming a CPU when running pKVM
- VGIC maintenance interrupt support for the AIC
- Improvements to the arch timer emulation, primarily aimed at
reducing the trap overhead of running nested
- Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
interest of CI systems
- Avoid VM-wide stop-the-world operations when a vCPU accesses its
own redistributor
- Serialize when toggling CPACR_EL1.SMEN to avoid unexpected
exceptions in the host
- Aesthetic and comment/kerneldoc fixes
- Drop the vestiges of the old Columbia mailing list and add [Oliver]
as co-maintainer
RISC-V:
- Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE
- Correctly place the guest in S-mode after redirecting a trap to the
guest
- Redirect illegal instruction traps to guest
- SBI PMU support for guest
s390:
- Sort out confusion between virtual and physical addresses, which
currently are the same on s390
- A new ioctl that performs cmpxchg on guest memory
- A few fixes
x86:
- Change tdp_mmu to a read-only parameter
- Separate TDP and shadow MMU page fault paths
- Enable Hyper-V invariant TSC control
- Fix a variety of APICv and AVIC bugs, some of them real-world, some
of them affecting architecurally legal but unlikely to happen in
practice
- Mark APIC timer as expired if its in one-shot mode and the count
underflows while the vCPU task was being migrated
- Advertise support for Intel's new fast REP string features
- Fix a double-shootdown issue in the emergency reboot code
- Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give
SVM similar treatment to VMX
- Update Xen's TSC info CPUID sub-leaves as appropriate
- Add support for Hyper-V's extended hypercalls, where "support" at
this point is just forwarding the hypercalls to userspace
- Clean up the kvm->lock vs. kvm->srcu sequences when updating the
PMU and MSR filters
- One-off fixes and cleanups
- Fix and cleanup the range-based TLB flushing code, used when KVM is
running on Hyper-V
- Add support for filtering PMU events using a mask. If userspace
wants to restrict heavily what events the guest can use, it can now
do so without needing an absurd number of filter entries
- Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
support is disabled
- Add PEBS support for Intel Sapphire Rapids
- Fix a mostly benign overflow bug in SEV's
send|receive_update_data()
- Move several SVM-specific flags into vcpu_svm
x86 Intel:
- Handle NMI VM-Exits before leaving the noinstr region
- A few trivial cleanups in the VM-Enter flows
- Stop enabling VMFUNC for L1 purely to document that KVM doesn't
support EPTP switching (or any other VM function) for L1
- Fix a crash when using eVMCS's enlighted MSR bitmaps
Generic:
- Clean up the hardware enable and initialization flow, which was
scattered around multiple arch-specific hooks. Instead, just let
the arch code call into generic code. Both x86 and ARM should
benefit from not having to fight common KVM code's notion of how to
do initialization
- Account allocations in generic kvm_arch_alloc_vm()
- Fix a memory leak if coalesced MMIO unregistration fails
selftests:
- On x86, cache the CPU vendor (AMD vs. Intel) and use the info to
emit the correct hypercall instruction instead of relying on KVM to
patch in VMMCALL
- Use TAP interface for kvm_binary_stats_test and tsc_msrs_test"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (325 commits)
KVM: SVM: hyper-v: placate modpost section mismatch error
KVM: x86/mmu: Make tdp_mmu_allowed static
KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID
KVM: arm64: nv: Only toggle cache for virtual EL2 when SCTLR_EL2 changes
KVM: arm64: nv: Filter out unsupported features from ID regs
KVM: arm64: nv: Emulate EL12 register accesses from the virtual EL2
KVM: arm64: nv: Allow a sysreg to be hidden from userspace only
KVM: arm64: nv: Emulate PSTATE.M for a guest hypervisor
KVM: arm64: nv: Add accessors for SPSR_EL1, ELR_EL1 and VBAR_EL1 from virtual EL2
KVM: arm64: nv: Handle SMCs taken from virtual EL2
KVM: arm64: nv: Handle trapped ERET from virtual EL2
KVM: arm64: nv: Inject HVC exceptions to the virtual EL2
KVM: arm64: nv: Support virtual EL2 exceptions
KVM: arm64: nv: Handle HCR_EL2.NV system register traps
KVM: arm64: nv: Add nested virt VCPU primitives for vEL2 VCPU state
KVM: arm64: nv: Add EL2 system registers to vcpu context
KVM: arm64: nv: Allow userspace to set PSR_MODE_EL2x
KVM: arm64: nv: Reset VCPU to EL2 registers if VCPU nested virt is set
KVM: arm64: nv: Introduce nested virtualization VCPU feature
KVM: arm64: Use the S2 MMU context to iterate over S2 table
...
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Pull MIPS updates from Thomas Bogendoerfer:
"Just cleanups and fixes"
* tag 'mips_6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: vpe-mt: drop physical_memsize
mips: fix syscall_get_nr
MIPS: SMP-CPS: fix build error when HOTPLUG_CPU not set
MIPS: DTS: jz4780: add #clock-cells to rtc_dev
MIPS: dts: Boston: Fix dtc 'pci_device_reg' warning
mips: dts: ralink: mt7621: add port@5 as CPU port
mips: dts: align LED node names with dtschema
MIPS: ralink: Use devm_platform_get_and_ioremap_resource()
MIPS: pci-mt7620: Use devm_platform_get_and_ioremap_resource()
MIPS: pci: lantiq: Use devm_platform_get_and_ioremap_resource()
MIPS: lantiq: xway: Use devm_platform_get_and_ioremap_resource()
MIPS: BCM47XX: Add support for Linksys E2500 V3
mips: ralink: make SOC_MT7621 select PINCTRL_MT7621 and fix help section
MIPS: DTS: CI20: fix otg power gpio
MIPS: dts: lantiq: Remove bogus interrupt-parent; line
MIPS: Fix a compilation issue
MIPS: remove CONFIG_MIPS_LD_CAN_LINK_VDSO
mips: Realtek RTL: select NO_EXCEPT_FILL
MIPS: OCTEON: octeon-usb: Consolidate error messages
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the large set of driver core changes for 6.3-rc1.
There's a lot of changes this development cycle, most of the work
falls into two different categories:
- fw_devlink fixes and updates. This has gone through numerous review
cycles and lots of review and testing by lots of different devices.
Hopefully all should be good now, and Saravana will be keeping a
watch for any potential regression on odd embedded systems.
- driver core changes to work to make struct bus_type able to be
moved into read-only memory (i.e. const) The recent work with Rust
has pointed out a number of areas in the driver core where we are
passing around and working with structures that really do not have
to be dynamic at all, and they should be able to be read-only
making things safer overall. This is the contuation of that work
(started last release with kobject changes) in moving struct
bus_type to be constant. We didn't quite make it for this release,
but the remaining patches will be finished up for the release after
this one, but the groundwork has been laid for this effort.
Other than that we have in here:
- debugfs memory leak fixes in some subsystems
- error path cleanups and fixes for some never-able-to-be-hit
codepaths.
- cacheinfo rework and fixes
- Other tiny fixes, full details are in the shortlog
All of these have been in linux-next for a while with no reported
problems"
[ Geert Uytterhoeven points out that that last sentence isn't true, and
that there's a pending report that has a fix that is queued up - Linus ]
* tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits)
debugfs: drop inline constant formatting for ERR_PTR(-ERROR)
OPP: fix error checking in opp_migrate_dentry()
debugfs: update comment of debugfs_rename()
i3c: fix device.h kernel-doc warnings
dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place
Revert "driver core: add error handling for devtmpfs_create_node()"
Revert "devtmpfs: add debug info to handle()"
Revert "devtmpfs: remove return value of devtmpfs_delete_node()"
driver core: cpu: don't hand-override the uevent bus_type callback.
devtmpfs: remove return value of devtmpfs_delete_node()
devtmpfs: add debug info to handle()
driver core: add error handling for devtmpfs_create_node()
driver core: bus: update my copyright notice
driver core: bus: add bus_get_dev_root() function
driver core: bus: constify bus_unregister()
driver core: bus: constify some internal functions
driver core: bus: constify bus_get_kset()
driver core: bus: constify bus_register/unregister_notifier()
driver core: remove private pointer from struct bus_type
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
memfd creation time, with the option of sealing the state of the X
bit.
- Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
thread-safe for pmd unshare") which addresses a rare race condition
related to PMD unsharing.
- Several folioification patch serieses from Matthew Wilcox, Vishal
Moola, Sidhartha Kumar and Lorenzo Stoakes
- Johannes Weiner has a series ("mm: push down lock_page_memcg()")
which does perform some memcg maintenance and cleanup work.
- SeongJae Park has added DAMOS filtering to DAMON, with the series
"mm/damon/core: implement damos filter".
These filters provide users with finer-grained control over DAMOS's
actions. SeongJae has also done some DAMON cleanup work.
- Kairui Song adds a series ("Clean up and fixes for swap").
- Vernon Yang contributed the series "Clean up and refinement for maple
tree".
- Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
adds to MGLRU an LRU of memcgs, to improve the scalability of global
reclaim.
- David Hildenbrand has added some userfaultfd cleanup work in the
series "mm: uffd-wp + change_protection() cleanups".
- Christoph Hellwig has removed the generic_writepages() library
function in the series "remove generic_writepages".
- Baolin Wang has performed some maintenance on the compaction code in
his series "Some small improvements for compaction".
- Sidhartha Kumar is doing some maintenance work on struct page in his
series "Get rid of tail page fields".
- David Hildenbrand contributed some cleanup, bugfixing and
generalization of pte management and of pte debugging in his series
"mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with
swap PTEs".
- Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
flag in the series "Discard __GFP_ATOMIC".
- Sergey Senozhatsky has improved zsmalloc's memory utilization with
his series "zsmalloc: make zspage chain size configurable".
- Joey Gouly has added prctl() support for prohibiting the creation of
writeable+executable mappings.
The previous BPF-based approach had shortcomings. See "mm: In-kernel
support for memory-deny-write-execute (MDWE)".
- Waiman Long did some kmemleak cleanup and bugfixing in the series
"mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
- T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
"mm: multi-gen LRU: improve".
- Jiaqi Yan has provided some enhancements to our memory error
statistics reporting, mainly by presenting the statistics on a
per-node basis. See the series "Introduce per NUMA node memory error
statistics".
- Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
regression in compaction via his series "Fix excessive CPU usage
during compaction".
- Christoph Hellwig does some vmalloc maintenance work in the series
"cleanup vfree and vunmap".
- Christoph Hellwig has removed block_device_operations.rw_page() in
ths series "remove ->rw_page".
- We get some maple_tree improvements and cleanups in Liam Howlett's
series "VMA tree type safety and remove __vma_adjust()".
- Suren Baghdasaryan has done some work on the maintainability of our
vm_flags handling in the series "introduce vm_flags modifier
functions".
- Some pagemap cleanup and generalization work in Mike Rapoport's
series "mm, arch: add generic implementation of pfn_valid() for
FLATMEM" and "fixups for generic implementation of pfn_valid()"
- Baoquan He has done some work to make /proc/vmallocinfo and
/proc/kcore better represent the real state of things in his series
"mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
- Jason Gunthorpe rationalized the GUP system's interface to the rest
of the kernel in the series "Simplify the external interface for
GUP".
- SeongJae Park wishes to migrate people from DAMON's debugfs interface
over to its sysfs interface. To support this, we'll temporarily be
printing warnings when people use the debugfs interface. See the
series "mm/damon: deprecate DAMON debugfs interface".
- Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
and clean-ups" series.
- Huang Ying has provided a dramatic reduction in migration's TLB flush
IPI rates with the series "migrate_pages(): batch TLB flushing".
- Arnd Bergmann has some objtool fixups in "objtool warning fixes".
* tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (505 commits)
include/linux/migrate.h: remove unneeded externs
mm/memory_hotplug: cleanup return value handing in do_migrate_range()
mm/uffd: fix comment in handling pte markers
mm: change to return bool for isolate_movable_page()
mm: hugetlb: change to return bool for isolate_hugetlb()
mm: change to return bool for isolate_lru_page()
mm: change to return bool for folio_isolate_lru()
objtool: add UACCESS exceptions for __tsan_volatile_read/write
kmsan: disable ftrace in kmsan core code
kasan: mark addr_has_metadata __always_inline
mm: memcontrol: rename memcg_kmem_enabled()
sh: initialize max_mapnr
m68k/nommu: add missing definition of ARCH_PFN_OFFSET
mm: percpu: fix incorrect size in pcpu_obj_full_size()
maple_tree: reduce stack usage with gcc-9 and earlier
mm: page_alloc: call panic() when memoryless node allocation fails
mm: multi-gen LRU: avoid futile retries
migrate_pages: move THP/hugetlb migration support check to simplify code
migrate_pages: batch flushing TLB
migrate_pages: share more code between _unmap and _move
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add EPP support to the AMD P-state cpufreq driver, add support
for new platforms to the Intel RAPL power capping driver, intel_idle
and the Qualcomm cpufreq driver, enable thermal cooling for Tegra194,
drop the custom cpufreq driver for loongson1 that is not necessary any
more (and the corresponding cpufreq platform device), fix assorted
issues and clean up code.
Specifics:
- Add EPP support to the AMD P-state cpufreq driver (Perry Yuan, Wyes
Karny, Arnd Bergmann, Bagas Sanjaya)
- Drop the custom cpufreq driver for loongson1 that is not necessary
any more and the corresponding cpufreq platform device (Keguang
Zhang)
- Remove "select SRCU" from system sleep, cpufreq and OPP Kconfig
entries (Paul E. McKenney)
- Enable thermal cooling for Tegra194 (Yi-Wei Wang)
- Register module device table and add missing compatibles for
cpufreq-qcom-hw (Nícolas F. R. A. Prado, Abel Vesa and Luca Weiss)
- Various dt binding updates for qcom-cpufreq-nvmem and
opp-v2-kryo-cpu (Christian Marangi)
- Make kobj_type structure in the cpufreq core constant (Thomas
Weißschuh)
- Make cpufreq_unregister_driver() return void (Uwe Kleine-König)
- Make the TEO cpuidle governor check CPU utilization in order to
refine idle state selection (Kajetan Puchalski)
- Make Kconfig select the haltpoll cpuidle governor when the haltpoll
cpuidle driver is selected and replace a default_idle() call in
that driver with arch_cpu_idle() to allow MWAIT to be used (Li
RongQing)
- Add Emerald Rapids Xeon support to the intel_idle driver (Artem
Bityutskiy)
- Add ARCH_SUSPEND_POSSIBLE dependencies for ARMv4 cpuidle drivers to
avoid randconfig build failures (Arnd Bergmann)
- Make kobj_type structures used in the cpuidle sysfs interface
constant (Thomas Weißschuh)
- Make the cpuidle driver registration code update microsecond values
of idle state parameters in accordance with their nanosecond values
if they are provided (Rafael Wysocki)
- Make the PSCI cpuidle driver prevent topology CPUs from being
suspended on PREEMPT_RT (Krzysztof Kozlowski)
- Document that pm_runtime_force_suspend() cannot be used with
DPM_FLAG_SMART_SUSPEND (Richard Fitzgerald)
- Add EXPORT macros for exporting PM functions from drivers (Richard
Fitzgerald)
- Remove /** from non-kernel-doc comments in hibernation code (Randy
Dunlap)
- Fix possible name leak in powercap_register_zone() (Yang Yingliang)
- Add Meteor Lake and Emerald Rapids support to the intel_rapl power
capping driver (Zhang Rui)
- Modify the idle_inject power capping facility to support 100% idle
injection (Srinivas Pandruvada)
- Fix large time windows handling in the intel_rapl power capping
driver (Zhang Rui)
- Fix memory leaks with using debugfs_lookup() in the generic PM
domains and Energy Model code (Greg Kroah-Hartman)
- Add missing 'cache-unified' property in the example for kryo OPP
bindings (Rob Herring)
- Fix error checking in opp_migrate_dentry() (Qi Zheng)
- Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
Dybcio)
- Modify some power management utilities to use the canonical ftrace
path (Ross Zwisler)
- Correct spelling problems for Documentation/power/ as reported by
codespell (Randy Dunlap)"
* tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (53 commits)
Documentation: amd-pstate: disambiguate user space sections
cpufreq: amd-pstate: Fix invalid write to MSR_AMD_CPPC_REQ
dt-bindings: opp: opp-v2-kryo-cpu: enlarge opp-supported-hw maximum
dt-bindings: cpufreq: qcom-cpufreq-nvmem: make cpr bindings optional
dt-bindings: cpufreq: qcom-cpufreq-nvmem: specify supported opp tables
PM: Add EXPORT macros for exporting PM functions
cpuidle: psci: Do not suspend topology CPUs on PREEMPT_RT
MIPS: loongson32: Drop obsolete cpufreq platform device
powercap: intel_rapl: Fix handling for large time window
cpuidle: driver: Update microsecond values of state parameters as needed
cpuidle: sysfs: make kobj_type structures constant
cpuidle: add ARCH_SUSPEND_POSSIBLE dependencies
PM: EM: fix memory leak with using debugfs_lookup()
PM: domains: fix memory leak with using debugfs_lookup()
cpufreq: Make kobj_type structure constant
cpufreq: davinci: Fix clk use after free
cpufreq: amd-pstate: avoid uninitialized variable use
cpufreq: Make cpufreq_unregister_driver() return void
OPP: fix error checking in opp_migrate_dentry()
dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM8550 compatible
...
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When neither LANTIQ nor MIPS_MALTA is set, 'physical_memsize' is not
declared. This causes the build to fail with:
mips-linux-ld: arch/mips/kernel/vpe-mt.o: in function `vpe_run':
arch/mips/kernel/vpe-mt.c:(.text.vpe_run+0x280): undefined reference to `physical_memsize'
LANTIQ is not using 'physical_memsize' and MIPS_MALTA's use of it is
self-contained in mti-malta/malta-dtshim.c.
Use of physical_memsize in vpe-mt.c appears to be unused, so eliminate
this loader mode completely and require VPE programs to be compiled with
DFLT_STACK_SIZE and DFLT_HEAP_SIZE defined.
Fixes: 9050d50e2244 ("MIPS: lantiq: Set physical_memsize")
Fixes: 1a2a6d7e8816 ("MIPS: APRP: Split VPE loader into separate files.")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/all/202302030625.2g3E98sY-lkp@intel.com/
Cc: Dengcheng Zhu <dzhu@wavecomp.com>
Cc: John Crispin <john@phrozen.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Philippe Mathieu-Daudé <philmd@linaro.org>
Cc: "Steven J. Hill" <Steven.Hill@imgtec.com>
Cc: Qais Yousef <Qais.Yousef@imgtec.com>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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The implementation of syscall_get_nr on mips used to ignore the task
argument and return the syscall number of the calling thread instead of
the target thread.
The bug was exposed to user space by commit 201766a20e30f ("ptrace: add
PTRACE_GET_SYSCALL_INFO request") and detected by strace test suite.
Link: https://github.com/strace/strace/issues/235
Fixes: c2d9f1775731 ("MIPS: Fix syscall_get_nr for the syscall exit tracing.")
Cc: <stable@vger.kernel.org> # v3.19+
Co-developed-by: Dmitry V. Levin <ldv@strace.io>
Signed-off-by: Dmitry V. Levin <ldv@strace.io>
Signed-off-by: Elvira Khabirova <lineprinter0@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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When MIPS_CPS=y, MIPS_CPS_PM is not set, HOTPLUG_CPU is not set, and
KEXEC=y, cps_shutdown_this_cpu() attempts to call cps_pm_enter_state(),
which is not built when MIPS_CPS_PM is not set.
Conditionally execute the else branch based on CONFIG_HOTPLUG_CPU
to remove the build error.
This build failure is from a randconfig file.
mips-linux-ld: arch/mips/kernel/smp-cps.o: in function `$L162':
smp-cps.c:(.text.cps_kexec_nonboot_cpu+0x31c): undefined reference to `cps_pm_enter_state'
Fixes: 1447864bee4c ("MIPS: kexec: CPS systems to halt nonboot CPUs")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Dengcheng Zhu <dzhu@wavecomp.com>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@vger.kernel.org
Cc: Sergei Shtylyov <sergei.shtylyov@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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This makes the driver present the clk32k signal if requested.
It is needed to clock the PMU of the BCM4330 WiFi and Bluetooth
module of the CI20 board.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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dtbs_check currently complains that:
arch/mips/boot/dts/img/boston.dts:128.19-178.5: Warning (pci_device_reg):
/pci@14000000/pci2_root@0,0,0: PCI unit address format error,
expected "0,0"
The unit-address format should be '<device>,<function>'.
Fix the unit-address accordingly.
Reported-by: k2ci <kernel-bot@kylinos.cn>
Signed-off-by: Genjian Zhang <zhanggenjian@kylinos.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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On MT7621AT, MT7621DAT, and MT7621ST SoCs, port 5 of the MT7530 switch is
connected to the second MAC of the SoC as a CPU port. Add the port and set
up the second MAC on the bindings. Revert PHY muxing on GB-PC1.
There's an external PHY connected to the second MAC of the SoC on GB-PC2,
therefore, disable port@5 for this device.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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The node names should be generic and DT schema expects certain pattern:
mt7621-gnubee-gb-pc1.dtb: gpio-leds: 'power', 'system' do not match any of the regexes: '(^led-[0-9a-f]$|led)', 'pinctrl-[0-9]+'
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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The get_arch_dma_ops() arch-specific function never does anything with
the struct bus_type that is passed into it, so remove it entirely as it
is not needed.
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: x86@kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: linux-alpha@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-mips@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: iommu@lists.linux.dev
Cc: linux-arch@vger.kernel.org
Acked-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230214140121.131859-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
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The obsolete cpufreq driver was removed, drop the platform device
and data accordingly.
Link: https://lore.kernel.org/all/20230112135342.3927338-1-keguang.zhang@gmail.com
Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Every architecture that supports FLATMEM memory model defines its own
version of pfn_valid() that essentially compares a pfn to max_mapnr.
Use mips/powerpc version implemented as static inline as a generic
implementation of pfn_valid() and drop its per-architecture definitions.
[rppt@kernel.org: fix the generic pfn_valid()]
Link: https://lkml.kernel.org/r/Y9lg7R1Yd931C+y5@kernel.org
Link: https://lkml.kernel.org/r/20230129124235.209895-5-rppt@kernel.org
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Guo Ren <guoren@kernel.org> [csky]
Acked-by: Huacai Chen <chenhuacai@loongson.cn> [LoongArch]
Acked-by: Stafford Horne <shorne@gmail.com> [OpenRISC]
Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Reviewed-by: David Hildenbrand <david@redhat.com>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Cc: Brian Cain <bcain@quicinc.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Vineet Gupta <vgupta@kernel.org>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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There is a stale definition of pfn_valid() for DISCONTINGMEM memory model
guarded !FLATMEM && !SPARSEMEM && NUMA ifdefery.
Remove everything but definition of pfn_valid() for FLATMEM.
Link: https://lkml.kernel.org/r/20230129124235.209895-4-rppt@kernel.org
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Brian Cain <bcain@quicinc.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Huacai Chen <chenhuacai@loongson.cn>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Vineet Gupta <vgupta@kernel.org>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
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Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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It's a BCM5358 based home WiFi router. 16 MiB flash, 64 MiB RAM, BCM5325
switch, on-SoC 802.11n radio.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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The dt-binding of the MT7621 SoC uses the pinctrl driver. Therefore, have
this driver selected by default.
The help section for SOC_MT7621 exceeds 80 columns which is the preferred
limit of a single line. A tab character is 8 columns. Rearrange the text
accordingly.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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According to schematics it is PF15 and not PF14 (MIC_SW_EN).
Seems as if it was hidden and not noticed during testing since
there is no sound DT node.
Fixes: 158c774d3c64 ("MIPS: Ingenic: Add missing nodes for Ingenic SoCs and boards.")
Cc: stable@vger.kernel.org
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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Specifying interrupt-parent without a value (in other words, as a bool)
doesn't really mean anything. Remove one such property in the Lantiq
Danube DT, at /sram@1f000000/eiu@101000.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
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I added $(srctree)/ to some included Makefiles in the following commits:
- 3204a7fb98a3 ("kbuild: prefix $(srctree)/ to some included Makefiles")
- d82856395505 ("kbuild: do not require sub-make for separate output tree builds")
They were a preparation for removing --include-dir flag.
I have never thought --include-dir useful. Rather, it _is_ harmful.
For example, run the following commands:
$ make -s ARCH=x86 mrproper defconfig
$ make ARCH=arm O=foo dtbs
make[1]: Entering directory '/tmp/linux/foo'
HOSTCC scripts/basic/fixdep
Error: kernelrelease not valid - run 'make prepare' to update it
UPD include/config/kernel.release
make[1]: Leaving directory '/tmp/linux/foo'
The first command configures the source tree for x86. The next command
tries to build ARM device trees in the separate foo/ directory - this
must stop because the directory foo/ has not been configured yet.
However, due to --include-dir=$(abs_srctree), the top Makefile includes
the wrong include/config/auto.conf from the source tree and continues
building. Kbuild traverses the directory tree, but of course it does
not work correctly. The Error message is also pointless - 'make prepare'
does not help at all for fixing the issue.
This commit fixes more arch Makefile, and finally removes --include-dir
from the top Makefile.
There are more breakages under drivers/, but I do not volunteer to fix
them all. I just moved --include-dir to drivers/Makefile.
With this commit, the second command will stop with a sensible message.
$ make -s ARCH=x86 mrproper defconfig
$ make ARCH=arm O=foo dtbs
make[1]: Entering directory '/tmp/linux/foo'
SYNC include/config/auto.conf.cmd
***
*** The source tree is not clean, please run 'make ARCH=arm mrproper'
*** in /tmp/linux
***
make[2]: *** [../Makefile:646: outputmakefile] Error 1
/tmp/linux/Makefile:770: include/config/auto.conf.cmd: No such file or directory
make[1]: *** [/tmp/linux/Makefile:793: include/config/auto.conf.cmd] Error 2
make[1]: Leaving directory '/tmp/linux/foo'
make: *** [Makefile:226: __sub-make] Error 2
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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__HAVE_ARCH_PTE_SWP_EXCLUSIVE is now supported by all architectures that
support swp PTEs, so let's drop it.
Link: https://lkml.kernel.org/r/20230113171026.582290-27-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE.
On 64bit, steal one bit from the type. Generic MM currently only uses 5
bits for the type (MAX_SWAPFILES_SHIFT), so the stolen bit is effectively
unused.
On 32bit we're able to locate unused bits. As the PTE layout for 32 bit
is very confusing, document it a bit better.
While at it, mask the type in __swp_entry()/mk_swap_pte().
Link: https://lkml.kernel.org/r/20230113171026.582290-13-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Pick up fixes before merging another batch of cpuidle updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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arch/mips/include/asm/mach-rc32434/pci.h:377:
cc1: error: result of ‘-117440512 << 16’ requires 44 bits to represent, but ‘int’ only has 32 bits [-Werror=shift-overflow=]
All bits in KORINA_STAT are already at the correct position, so there is
no addtional shift needed.
Signed-off-by: xurui <xurui@kylinos.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Given commit e4412739472b ("Documentation: raise minimum supported
version of binutils to 2.25"), CONFIG_MIPS_LD_CAN_LINK_VDSO is always
'y'.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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The CPUs in these SoCs support MIPS32 R2, and allow ebase relocation.
Even if the default exception base of 0x80000000 is used, the
MIPS_GENERIC load address of 0x80100000 leaves sufficient space to not
need an extra 0x400 bytes of padding.
Suggested-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Console output currently looks like USB clocks initialized succesfully
even in case of error. Fix that and use consistently dev_err for fatal
errors otherwise dev_warn.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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The uevent() callback in struct bus_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230111113018.459199-16-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A future change will switch as-option to use KBUILD_AFLAGS instead of
KBUILD_CFLAGS to allow clang to drop -Qunused-arguments, which may cause
issues if the flag being tested requires a flag previously added to
KBUILD_CFLAGS but not KBUILD_AFLAGS. Use cc-option for cflags additions
so that the flags are tested properly.
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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-Wa,-msoft-float is tested with as-option, which will be a problem for
clang with an upcoming change to move as-option to use KBUILD_AFLAGS
instead of KBUILD_CFLAGS due to a lack of '-mno-abicalls' in
KBUILD_AFLAGS at the point that this check occurs; $(cflags-y) is added
to KBUILD_AFLAGS towards the end of this file.
clang: error: ignoring '-fno-PIE' option as it cannot be used with implicit usage of -mabicalls and the N64 ABI [-Werror,-Woption-ignored]
This could be resolved by switching to a cc-option check but
'$(cflags-y)' would need to be added so that '-mno-abicalls' is present
for the test. However, this check is no longer necessary, as
-msoft-float is supported by all supported assembler versions (GNU as
2.25+ and LLVM 11+). Eliminate GAS_HAS_SET_HARDFLOAT and all of its
uses, inlining SET_HARDFLOAT where necessary.
Link: https://lore.kernel.org/202209101939.bvk64Fok-lkp@intel.com/
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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ARM:
* Fix the PMCR_EL0 reset value after the PMU rework
* Correctly handle S2 fault triggered by a S1 page table walk
by not always classifying it as a write, as this breaks on
R/O memslots
* Document why we cannot exit with KVM_EXIT_MMIO when taking
a write fault from a S1 PTW on a R/O memslot
* Put the Apple M2 on the naughty list for not being able to
correctly implement the vgic SEIS feature, just like the M1
before it
* Reviewer updates: Alex is stepping down, replaced by Zenghui
x86:
* Fix various rare locking issues in Xen emulation and teach lockdep
to detect them
* Documentation improvements
* Do not return host topology information from KVM_GET_SUPPORTED_CPUID
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For all cpuidle drivers that do not use CPUIDLE_FLAG_RCU_IDLE (iow,
the simple ones) make sure all the functions are marked __cpuidle.
( due to lack of noinstr validation on these platforms it is entirely
possible this isn't complete )
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230112195542.335211484@infradead.org
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