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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Several fixes from static analysis and message noise reduction.
Correct WMI core and related drivers to evaluate instance number 0x0
in accordance with the documentation. Add intel-telemetry support for
Gemini Lake. Various individual driver fixes noted below.
dell-wmi:
- Update dell_wmi_check_descriptor_buffer() to new model
intel-vbtn:
- reduce unnecessary messages for normal users
- match power button on press rather than release
intel-hid:
- reduce unnecessary messages for normal users
thinkpad_acpi:
- Fix warning about deprecated hwmon_device_register
wmi:
- Fix check for method instance number
ideapad-laptop:
- Expose conservation mode switch
intel_pmc_core:
- Make the driver PCH family agnostic
peaq-wmi:
- Evaluate wmi method with instance number 0x0
- silence a static checker warning
mxm-wmi:
- Evaluate wmi method with instance number 0x0
asus-wmi:
- Evaluate wmi method with instance number 0x0
intel_scu_ipc:
- make intel_scu_ipc_pdata_t const
intel_mid_powerbtn:
- make mid_pb_ddata const
- fix error return code in mid_pb_probe()
hp-wmi:
- Remove unused macro helper
- Correctly determine method id in WMI calls
dell-wmi:
- Fix driver interface version query
intel_telemetry:
- remove redundant macro definition
- Add GLK PSS Event Table
alienware-wmi:
- fix format string overflow warning
ibm_rtl:
- remove unnecessary static in ibm_rtl_write()
msi-wmi:
- remove unnecessary static in msi_wmi_notify()"
* tag 'platform-drivers-x86-v4.14-1' of git://git.infradead.org/linux-platform-drivers-x86: (23 commits)
platform/x86: dell-wmi: Update dell_wmi_check_descriptor_buffer() to new model
platform/x86: intel-vbtn: reduce unnecessary messages for normal users
platform/x86: intel-hid: reduce unnecessary messages for normal users
platform/x86: thinkpad_acpi: Fix warning about deprecated hwmon_device_register
platform/x86: wmi: Fix check for method instance number
platform/x86: ideapad-laptop: Expose conservation mode switch
platform/x86: intel_pmc_core: Make the driver PCH family agnostic
platform/x86: peaq-wmi: Evaluate wmi method with instance number 0x0
platform/x86: mxm-wmi: Evaluate wmi method with instance number 0x0
platform/x86: asus-wmi: Evaluate wmi method with instance number 0x0
platform/x86: intel_scu_ipc: make intel_scu_ipc_pdata_t const
platform/x86: intel_mid_powerbtn: make mid_pb_ddata const
platform/x86: intel_mid_powerbtn: fix error return code in mid_pb_probe()
platform/x86: hp-wmi: Remove unused macro helper
platform/x86: hp-wmi: Correctly determine method id in WMI calls
platform/x86: intel-vbtn: match power button on press rather than release
platform/x86: dell-wmi: Fix driver interface version query
platform/x86: intel_telemetry: remove redundant macro definition
platform/x86: intel_telemetry: Add GLK PSS Event Table
platform/x86: alienware-wmi: fix format string overflow warning
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- Support for HSDK board hosting a Quad core HS38x4 based SoC running
@1GHz (and some prerrquisite changes such as ability to scoot the
kernel code/data from start of memory map etc)
- Quite a few updates for EZChip (Mellanox) platform
- Fixes to fault/exception printing
* tag 'arc-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (26 commits)
ARC: Re-enable MMU upon Machine Check exception
ARC: Show fault information passed to show_kernel_fault_diag()
ARC: [plat-hsdk] initial port for HSDK board
ARC: mm: Decouple RAM base address from kernel link address
ARCv2: IOC: Tighten up the contraints (specifically base / size alignment)
ARC: [plat-axs103] refactor the DT fudging code
ARC: [plat-axs103] use clk driver #2: Add core pll node to DT to manage cpu clk
ARC: [plat-axs103] use clk driver #1: Get rid of platform specific cpu clk setting
ARCv2: SLC: provide a line based flush routine for debugging
ARC: Hardcode ARCH_DMA_MINALIGN to max line length we may have
ARC: [plat-eznps] handle extra aux regs #2: kernel/entry exit
ARC: [plat-eznps] handle extra aux regs #1: save/restore on context switch
ARC: [plat-eznps] avoid toggling of DPC register
ARC: [plat-eznps] Update the init sequence of aux regs per cpu.
ARC: [plat-eznps] new command line argument for HW scheduler at MTM
ARC: set boot print log level to PR_INFO
ARC: [plat-eznps] Handle user memory error same in simulation and silicon
ARC: [plat-eznps] use schd.wft instruction instead of sleep at idle task
ARC: create cpu specific version of arch_cpu_idle()
ARC: [plat-eznps] spinlock aware for MTM
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- add enhanced Downstream Port Containment support, which prints more
details about Root Port Programmed I/O errors (Dongdong Liu)
- add Layerscape ls1088a and ls2088a support (Hou Zhiqiang)
- add MediaTek MT2712 and MT7622 support (Ryder Lee)
- add MediaTek MT2712 and MT7622 MSI support (Honghui Zhang)
- add Qualcom IPQ8074 support (Varadarajan Narayanan)
- add R-Car r8a7743/5 device tree support (Biju Das)
- add Rockchip per-lane PHY support for better power management (Shawn
Lin)
- fix IRQ mapping for hot-added devices by replacing the
pci_fixup_irqs() boot-time design with a host bridge hook called at
probe-time (Lorenzo Pieralisi, Matthew Minter)
- fix race when enabling two devices that results in upstream bridge
not being enabled correctly (Srinath Mannam)
- fix pciehp power fault infinite loop (Keith Busch)
- fix SHPC bridge MSI hotplug events by enabling bus mastering
(Aleksandr Bezzubikov)
- fix a VFIO issue by correcting PCIe capability sizes (Alex
Williamson)
- fix an INTD issue on Xilinx and possibly other drivers by unifying
INTx IRQ domain support (Paul Burton)
- avoid IOMMU stalls by marking AMD Stoney GPU ATS as broken (Joerg
Roedel)
- allow APM X-Gene device assignment to guests by adding an ACS quirk
(Feng Kan)
- fix driver crashes by disabling Extended Tags on Broadcom HT2100
(Extended Tags support is required for PCIe Receivers but not
Requesters, and we now enable them by default when Requesters support
them) (Sinan Kaya)
- fix MSIs for devices that use phantom RIDs for DMA by assuming MSIs
use the real Requester ID (not a phantom RID) (Robin Murphy)
- prevent assignment of Intel VMD children to guests (which may be
supported eventually, but isn't yet) by not associating an IOMMU with
them (Jon Derrick)
- fix Intel VMD suspend/resume by releasing IRQs on suspend (Scott
Bauer)
- fix a Function-Level Reset issue with Intel 750 NVMe by waiting
longer (up to 60sec instead of 1sec) for device to become ready
(Sinan Kaya)
- fix a Function-Level Reset issue on iProc Stingray by working around
hardware defects in the CRS implementation (Oza Pawandeep)
- fix an issue with Intel NVMe P3700 after an iProc reset by adding a
delay during shutdown (Oza Pawandeep)
- fix a Microsoft Hyper-V lockdep issue by polling instead of blocking
in compose_msi_msg() (Stephen Hemminger)
- fix a wireless LAN driver timeout by clearing DesignWare MSI
interrupt status after it is handled, not before (Faiz Abbas)
- fix DesignWare ATU enable checking (Jisheng Zhang)
- reduce Layerscape dependencies on the bootloader by doing more
initialization in the driver (Hou Zhiqiang)
- improve Intel VMD performance allowing allocation of more IRQ vectors
than present CPUs (Keith Busch)
- improve endpoint framework support for initial DMA mask, different
BAR sizes, configurable page sizes, MSI, test driver, etc (Kishon
Vijay Abraham I, Stan Drozd)
- rework CRS support to add periodic messages while we poll during
enumeration and after Function-Level Reset and prepare for possible
other uses of CRS (Sinan Kaya)
- clean up Root Port AER handling by removing unnecessary code and
moving error handler methods to struct pcie_port_service_driver
(Christoph Hellwig)
- clean up error handling paths in various drivers (Bjorn Andersson,
Fabio Estevam, Gustavo A. R. Silva, Harunobu Kurokawa, Jeffy Chen,
Lorenzo Pieralisi, Sergei Shtylyov)
- clean up SR-IOV resource handling by disabling VF decoding before
updating the corresponding resource structs (Gavin Shan)
- clean up DesignWare-based drivers by unifying quirks to update Class
Code and Interrupt Pin and related handling of write-protected
registers (Hou Zhiqiang)
- clean up by adding empty generic pcibios_align_resource() and
pcibios_fixup_bus() and removing empty arch-specific implementations
(Palmer Dabbelt)
- request exclusive reset control for several drivers to allow cleanup
elsewhere (Philipp Zabel)
- constify various structures (Arvind Yadav, Bhumika Goyal)
- convert from full_name() to %pOF (Rob Herring)
- remove unused variables from iProc, HiSi, Altera, Keystone (Shawn
Lin)
* tag 'pci-v4.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (170 commits)
PCI: xgene: Clean up whitespace
PCI: xgene: Define XGENE_PCI_EXP_CAP and use generic PCI_EXP_RTCTL offset
PCI: xgene: Fix platform_get_irq() error handling
PCI: xilinx-nwl: Fix platform_get_irq() error handling
PCI: rockchip: Fix platform_get_irq() error handling
PCI: altera: Fix platform_get_irq() error handling
PCI: spear13xx: Fix platform_get_irq() error handling
PCI: artpec6: Fix platform_get_irq() error handling
PCI: armada8k: Fix platform_get_irq() error handling
PCI: dra7xx: Fix platform_get_irq() error handling
PCI: exynos: Fix platform_get_irq() error handling
PCI: iproc: Clean up whitespace
PCI: iproc: Rename PCI_EXP_CAP to IPROC_PCI_EXP_CAP
PCI: iproc: Add 500ms delay during device shutdown
PCI: Fix typos and whitespace errors
PCI: Remove unused "res" variable from pci_resource_io()
PCI: Correct kernel-doc of pci_vpd_srdt_size(), pci_vpd_srdt_tag()
PCI/AER: Reformat AER register definitions
iommu/vt-d: Prevent VMD child devices from being remapping targets
x86/PCI: Use is_vmd() rather than relying on the domain number
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Pull KVM updates from Radim Krčmář:
"First batch of KVM changes for 4.14
Common:
- improve heuristic for boosting preempted spinlocks by ignoring
VCPUs in user mode
ARM:
- fix for decoding external abort types from guests
- added support for migrating the active priority of interrupts when
running a GICv2 guest on a GICv3 host
- minor cleanup
PPC:
- expose storage keys to userspace
- merge kvm-ppc-fixes with a fix that missed 4.13 because of
vacations
- fixes
s390:
- merge of kvm/master to avoid conflicts with additional sthyi fixes
- wire up the no-dat enhancements in KVM
- multiple epoch facility (z14 feature)
- Configuration z/Architecture Mode
- more sthyi fixes
- gdb server range checking fix
- small code cleanups
x86:
- emulate Hyper-V TSC frequency MSRs
- add nested INVPCID
- emulate EPTP switching VMFUNC
- support Virtual GIF
- support 5 level page tables
- speedup nested VM exits by packing byte operations
- speedup MMIO by using hardware provided physical address
- a lot of fixes and cleanups, especially nested"
* tag 'kvm-4.14-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (67 commits)
KVM: arm/arm64: Support uaccess of GICC_APRn
KVM: arm/arm64: Extract GICv3 max APRn index calculation
KVM: arm/arm64: vITS: Drop its_ite->lpi field
KVM: arm/arm64: vgic: constify seq_operations and file_operations
KVM: arm/arm64: Fix guest external abort matching
KVM: PPC: Book3S HV: Fix memory leak in kvm_vm_ioctl_get_htab_fd
KVM: s390: vsie: cleanup mcck reinjection
KVM: s390: use WARN_ON_ONCE only for checking
KVM: s390: guestdbg: fix range check
KVM: PPC: Book3S HV: Report storage key support to userspace
KVM: PPC: Book3S HV: Fix case where HDEC is treated as 32-bit on POWER9
KVM: PPC: Book3S HV: Fix invalid use of register expression
KVM: PPC: Book3S HV: Fix H_REGISTER_VPA VPA size validation
KVM: PPC: Book3S HV: Fix setting of storage key in H_ENTER
KVM: PPC: e500mc: Fix a NULL dereference
KVM: PPC: e500: Fix some NULL dereferences on error
KVM: PPC: Book3S HV: Protect updates to spapr_tce_tables list
KVM: s390: we are always in czam mode
KVM: s390: expose no-DAT to guest and migration support
KVM: s390: sthyi: remove invalid guest write access
...
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- TAP13 framework API and converting tests to TAP13 continues. A few
more tests are converted and kselftest common RUN_TESTS in lib.mk is
enhanced to print TAP13 to cover test shell scripts that won't be
able to use kselftest API.
- Several fixes to existing tests to not fail in unsupported cases.
This has been an ongoing work based on the feedback from stable
release kselftest users.
- A new watchdog test and much needed cleanups to the existing tests
from Eugeniu Rosca.
- Changes to kselftest common lib.mk framework to make RUN_TESTS a
function to be called from individual test make files to run stress
and destructive sub-tests.
* tag 'linux-kselftest-4.14-rc1-update' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (41 commits)
selftests: Enhance kselftest_harness.h to print which assert failed
selftests: lib.mk: change RUN_TESTS to print messages in TAP13 format
selftests: change lib.mk RUN_TESTS to take test list as an argument
selftests: lib.mk: suppress "cd" output from run_tests target
selftests: kselftest framework: change skip exit code to 0
selftests/timers: make loop consistent with array size
selftests: timers: remove rtctest_setdate from run_destructive_tests
selftests: timers: Fix run_destructive_tests target to handle skipped tests
kselftests: timers: leap-a-day: Change default arguments to help test runs
selftests: timers: drop support for !KTEST case
rtc: rtctest: Improve support detection
selftests/cpu-hotplug: Skip test when there is only one online cpu
selftests/cpu-hotplug: exit with failure when test occured unexpected behaviors
selftests: futex: convert test to use ksft TAP13 framework
selftests: capabilities: convert error output to TAP13 ksft framework
selftests: memfd: Align STACK_SIZE for ARM AArch64 system
selftests: warn if failure is due to lack of executable bit
selftests: kselftest framework: add error counter
selftests: capabilities: convert the test to use TAP13 ksft framework
selftests: capabilities: fix to run Non-root +ia, sgidroot => i test
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"Nothing new in development for this release. These are mostly fixes
that were found during development of changes for the next merge
window and fixes that were sent to me late in the last cycle"
* tag 'trace-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Apply trace_clock changes to instance max buffer
tracing: Fix clear of RECORDED_TGID flag when disabling trace event
tracing: Add barrier to trace_printk() buffer nesting modification
ftrace: Fix memleak when unregistering dynamic ops when tracing disabled
ftrace: Fix selftest goto location on error
ftrace: Zero out ftrace hashes when a module is removed
tracing: Only have rmmod clear buffers that its events were active in
ftrace: Fix debug preempt config name in stack_tracer_{en,dis}able
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I had stupidly missed one special use of 'is_reserved_word()' when I
converted the code to avoid gperf.
I had changed that function to return the token ID directly rather than
a pointer to the token descriptor structure, but that meant that the
test for "is this a reserved word" changed from checking the return
value against NULL, to checking that it wasn't negative.
And while I had converted the main token parser over, I missed the
special case of the typeof phrase handling. And since our dependency
chain for genksyms does not include the genksyms program itself
changing, my kernel rebuild didn't show the problem.
Fixes: bb3290d91695 ("Remove gperf usage from toolchain")
Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree,
they are:
1) Fix SCTP connection setup when IPVS module is loaded and any scheduler
is registered, from Xin Long.
2) Don't create a SCTP connection from SCTP ABORT packets, also from
Xin Long.
3) WARN_ON() and drop packet, instead of BUG_ON() races when calling
nf_nat_setup_info(). This is specifically a longstanding problem
when br_netfilter with conntrack support is in place, patch from
Florian Westphal.
4) Avoid softlock splats via iptables-restore, also from Florian.
5) Revert NAT hashtable conversion to rhashtable, semantics of rhlist
are different from our simple NAT hashtable, this has been causing
problems in the recent Linux kernel releases. From Florian.
6) Add per-bucket spinlock for NAT hashtable, so at least we restore
one of the benefits we got from the previous rhashtable conversion.
7) Fix incorrect hashtable size in memory allocation in xt_hashlimit,
from Zhizhou Tian.
8) Fix build/link problems with hashlimit and 32-bit arches, to address
recent fallout from a new hashlimit mode, from Vishwanath Pai.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The fix in the parent made me look at that function, and react to how
illogical and illegible the array initializer was.
Use named array indexes to make it clearer what is going on, and make
the initializer not depend silently on the exact index numbers.
[ The initializer now also shows an odd inconsistency in the naming:
note the IWCM vs IWPM.. - Linus ]
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Doug Ledford <dledford@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.14
Few fixes to regressions introduced in the last one or two releases.
The iwlwifi fix is for a regression reported by Linus.
rtlwifi
* fix two antenna selection related bugs
iwlwifi
* fix regression with older firmwares
brcmfmac
* workaround firmware crash for bcm4345
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit fb586f25300f ("sctp: delay calls to sk_data_ready() as much as
possible") minimized the number of wake ups that are triggered in case
the association receives a packet with multiple data chunks on it and/or
when io_events are enabled and then commit 0970f5b36659 ("sctp: signal
sk_data_ready earlier on data chunks reception") moved the wake up to as
soon as possible. It thus relies on the state machine running later to
clean the flag that the event was already generated.
The issue is that there are 2 call paths that calls
sctp_ulpq_tail_event() outside of the state machine, causing the flag to
linger and possibly omitting a needed wake up in the sequence.
One of the call paths is when enabling SCTP_SENDER_DRY_EVENTS via
setsockopt(SCTP_EVENTS), as noticed by Harald Welte. The other is when
partial reliability triggers removal of chunks from the send queue when
the application calls sendmsg().
This commit fixes it by not setting the flag in case the socket is not
owned by the user, as it won't be cleaned later. This works for
user-initiated calls and also for rx path processing.
Fixes: fb586f25300f ("sctp: delay calls to sk_data_ready() as much as possible")
Reported-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The netlink message sent with type == 0, which doesn't have any client
behind it, caused to the overflow in max_num_ops array.
Fix it by declaring zero number of ops for the first client.
Fixes: c9901724a2f1 ("RDMA/netlink: Remove netlink clients infrastructure")
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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64bit division causes build/link errors on 32bit architectures. It
prints out error messages like:
ERROR: "__aeabi_uldivmod" [net/netfilter/xt_hashlimit.ko] undefined!
The value of avg passed through by userspace in BYTE mode cannot exceed
U32_MAX. Which means 64bit division in user2rate_bytes is unnecessary.
To fix this I have changed the type of param 'user' to u32.
Since anything greater than U32_MAX is an invalid input we error out in
hashlimit_mt_check_common() when this is the case.
Changes in v2:
Making return type as u32 would cause an overflow for small
values of 'user' (for example 2, 3 etc). To avoid this I bumped up
'r' to u64 again as well as the return type. This is OK since the
variable that stores the result is u64. We still avoid 64bit
division here since 'user' is u32.
Fixes: bea74641e378 ("netfilter: xt_hashlimit: add rate match mode")
Signed-off-by: Vishwanath Pai <vpai@akamai.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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struct xt_byteslimit_htable used hlist_head, but memory allocation is
done through sizeof(struct list_head).
Signed-off-by: Zhizhou Tian <zhizhou.tian@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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kernel test robot reported:
WARNING: CPU: 0 PID: 1244 at net/netfilter/core.c:218 __nf_hook_entries_try_shrink+0x49/0xcd
[..]
After allowing batching in nf_unregister_net_hooks its possible that an earlier
call to __nf_hook_entries_try_shrink already compacted the list.
If this happens we don't need to do anything.
Fixes: d3ad2c17b4047 ("netfilter: core: batch nf_unregister_net_hooks synchronize_net calls")
Reported-by: kernel test robot <xiaolong.ye@intel.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Aaron Conole <aconole@bytheb.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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no need to serialize on a single lock, we can partition the table and
add/delete in parallel to different slots.
This restores one of the advantages that got lost with the rhlist
revert.
Cc: Ivan Babrou <ibobrik@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This reverts commit 870190a9ec9075205c0fa795a09fa931694a3ff1.
It was not a good idea. The custom hash table was a much better
fit for this purpose.
A fast lookup is not essential, in fact for most cases there is no lookup
at all because original tuple is not taken and can be used as-is.
What needs to be fast is insertion and deletion.
rhlist removal however requires a rhlist walk.
We can have thousands of entries in such a list if source port/addresses
are reused for multiple flows, if this happens removal requests are so
expensive that deletions of a few thousand flows can take several
seconds(!).
The advantages that we got from rhashtable are:
1) table auto-sizing
2) multiple locks
1) would be nice to have, but it is not essential as we have at
most one lookup per new flow, so even a million flows in the bysource
table are not a problem compared to current deletion cost.
2) is easy to add to custom hash table.
I tried to add hlist_node to rhlist to speed up rhltable_remove but this
isn't doable without changing semantics. rhltable_remove_fast will
check that the to-be-deleted object is part of the table and that
requires a list walk that we want to avoid.
Furthermore, using hlist_node increases size of struct rhlist_head, which
in turn increases nf_conn size.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=196821
Reported-by: Ivan Babrou <ibobrik@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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There are reports about spurious softlockups during iptables-restore, a
backtrace i saw points at get_counters -- it uses a sequence lock and also
has unbounded restart loop.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It seems preferrable to limp along if we have a conflicting mapping,
its certainly better than a BUG().
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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fib6_net_exit only frees the main and local tables. If another table was
created with fib6_alloc_table, we leak it when the netns is destroyed.
Fix this in the same way ip_fib_net_exit cleans up tables, by walking
through the whole hashtable of fib6_table's. We can get rid of the
special cases for local and main, since they're also part of the
hashtable.
Reproducer:
ip netns add x
ip -net x -6 rule add from 6003:1::/64 table 100
ip netns del x
Reported-by: Jianlin Shi <jishi@redhat.com>
Fixes: 58f09b78b730 ("[NETNS][IPV6] ip6_fib - make it per network namespace")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit applies memory-barriers.txt part of upstream change, commit
706eeb3e9c6f ("Documentation/locking/atomic: Add documents for new
atomic_t APIs") to Korean translation.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This commit applies upstream change, commit 66ce3a4dcb9f ("doc: Update
memory-barriers.txt for read-to-write dependencies") to Korean
translation.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Only the media PDF book was requiring adjustbox, in order to
scale big tables. That worked pretty good with Sphinx versions
1.4 and 1.5, but Spinx 1.6 changed the way tables are produced,
by introducing some weird macros before tabulary.
That causes adjustbox to fail. So, it can't be used anymore,
and its usage was removed from the media book.
So, let's remove it from conf.py and sphinx-pre-install.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Sphinx 1.5 added a new way to change backward colors for note
boxes, but kept backward compatibility with 1.4. On Sphinx 1.6,
the old way stopped working, in favor of a new less hackish
way.
Unfortunately, this is currently too buggy to be used, and
the old way doesn't work anymore. So, we have no option but
to stick with boring notice boxes.
One example of such bug is the notice that it is inside
struct v4l2_plane, at the "bytesused" field.
At least, add a notice about how to use, as maybe some day
the bug will vanish.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Only the media book used this extension in the past, but
it is not required anymore.
Cleanup patch only.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Use new blk-mq interfaces. Use multiple queues and also use the block
layer complete helper that finish the IO on the CPU that initiated it.
Reviewed-by: Jan Hoeppner <hoeppner@linux.vnet.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
This fix was intended for 4.13, but didn't get in because both
maintainers were on vacation.
Paul Mackerras:
"It adds mutual exclusion between list_add_rcu and list_del_rcu calls
on the kvm->arch.spapr_tce_tables list. Without this, userspace could
potentially trigger corruption of the list and cause a host crash or
worse."
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There's no reason for ipvs to create a conn for an ABORT packet
even if sysctl_sloppy_sctp is set.
This patch is to accept it without creating a conn, just as ipvs
does for tcp's RST packet.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Commit 5e26b1b3abce ("ipvs: support scheduling inverse and icmp SCTP
packets") changed to check packet type early. It introduced a side
effect: if it's not a INIT packet, ports will be set as NULL, and
the packet will be dropped later.
It caused that sctp couldn't create connection when ipvs module is
loaded and any scheduler is registered on server.
Li Shuang reproduced it by running the cmds on sctp server:
# ipvsadm -A -t 1.1.1.1:80 -s rr
# ipvsadm -D -t 1.1.1.1:80
then the server could't work any more.
This patch is to return 1 when it's not an INIT packet. It means ipvs
will accept it without creating a conn for it, just like what it does
for tcp.
Fixes: 5e26b1b3abce ("ipvs: support scheduling inverse and icmp SCTP packets")
Reported-by: Li Shuang <shuali@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The firmware feature check introduced for multi-scheduled scan is also
failing for bcm4345 devices resulting in a firmware crash.
The reason for this crash has not yet been root cause so this patch avoids
the feature check for those device as a short-term fix.
Fixes: 9fe929aaace6 ("brcmfmac: add firmware feature detection for gscan feature")
Cc: <stable@vger.kernel.org> # v4.13
Signed-off-by: Ian W MORRISON <ianwmorrison@gmail.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Remove our use of 'gperf' for generating perfect hashes from some of our
build tools.
This removal was prompted by Masahiro Yamada sending out a patch that
removes all our pre-generated files, and when I tested it, I noticed
that the gperf version I have (3.1) apparently generates code that no
longer works with out code-base because the function interfaces
generated by gperf have changed.
We really don't care that much, and the gperf people changed their
interfaces in ways that makes it annoying to work with them. Tools that
make it hard to use them should not be used, and the kernel is not at
all interested in some autoconf mess. So remove the gperf dependency
entirely.
It turns out that if you ignore the pre-generated files, the use of
gperf apparently saved us a whopping fifteen lines of code. It
obviously wasn't worth it, considering that the pre-generated files are
about 500 lines.
I sent this out as a patch about three weeks ago, and got absolutely
zero responses. So let's see if anybody notices now that I merge it.
Because there might be serious bugs here, but it WorksForMe(tm).
* gperf-removal:
Remove gperf usage from toolchain
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Pull SCSI updates from James Bottomley:
"This is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas,
megaraid_sas, zfcp and a host of minor updates.
The major driver change here is the elimination of the block based
cciss driver in favour of the SCSI based hpsa driver (which now drives
all the legacy cases cciss used to be required for). Plus a reset
handler clean up and the redo of the SAS SMP handler to use bsg lib"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (279 commits)
scsi: scsi-mq: Always unprepare before requeuing a request
scsi: Show .retries and .jiffies_at_alloc in debugfs
scsi: Improve requeuing behavior
scsi: Call scsi_initialize_rq() for filesystem requests
scsi: qla2xxx: Reset the logo flag, after target re-login.
scsi: qla2xxx: Fix slow mem alloc behind lock
scsi: qla2xxx: Clear fc4f_nvme flag
scsi: qla2xxx: add missing includes for qla_isr
scsi: qla2xxx: Fix an integer overflow in sysfs code
scsi: aacraid: report -ENOMEM to upper layer from aac_convert_sgraw2()
scsi: aacraid: get rid of one level of indentation
scsi: aacraid: fix indentation errors
scsi: storvsc: fix memory leak on ring buffer busy
scsi: scsi_transport_sas: switch to bsg-lib for SMP passthrough
scsi: smartpqi: remove the smp_handler stub
scsi: hpsa: remove the smp_handler stub
scsi: bsg-lib: pass the release callback through bsg_setup_queue
scsi: Rework handling of scsi_device.vpd_pg8[03]
scsi: Rework the code for caching Vital Product Data (VPD)
scsi: rcu: Introduce rcu_swap_protected()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
Pull printk updates from Petr Mladek:
- Do not allow use of freed init data and code even when boot consoles
are forced to stay. Also check for the init memory more precisely.
- Some code clean up by starting contributors.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
printk: Clean up do_syslog() error handling
printk/console: Enhance the check for consoles using init memory
printk/console: Always disable boot consoles that use init memory before it is freed
printk: Modify operators of printed_len and text_len
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Thread A: Thread B:
-f2fs_getxattr
-lookup_all_xattrs
-xnid = F2FS_I(inode)->i_xattr_nid;
-f2fs_setxattr
-__f2fs_setxattr
-write_all_xattrs
-truncate_xattr_node
... ...
-write_checkpoint
... ...
-alloc_nid <- nid reuse
-get_node_page
-f2fs_bug_on <- nid != node_footer->nid
It's need a rw_sem to avoid the race
Signed-off-by: Yunlei He <heyunlei@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch refactors get_lock_data_page() to handle encryption case directly.
In order to do that, it introduces common f2fs_submit_page_read().
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"A small pull request for audit this time, only four patches and only
two with any real code changes.
Those two changes are the removal of a pointless SELinux AVC
initialization audit event and a fix to improve the audit timestamp
overhead.
The other two patches are comment cleanup and administrative updates,
nothing very exciting.
Everything passes our tests"
* tag 'audit-pr-20170907' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: update the function comments
selinux: remove AVC init audit log message
audit: update the audit info in MAINTAINERS
audit: Reduce overhead using a coarse clock
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull secureexec update from Kees Cook:
"This series has the ultimate goal of providing a sane stack rlimit
when running set*id processes.
To do this, the bprm_secureexec LSM hook is collapsed into the
bprm_set_creds hook so the secureexec-ness of an exec can be
determined early enough to make decisions about rlimits and the
resulting memory layouts. Other logic acting on the secureexec-ness of
an exec is similarly consolidated. Capabilities needed some special
handling, but the refactoring removed other special handling, so that
was a wash"
* tag 'secureexec-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
exec: Consolidate pdeath_signal clearing
exec: Use sane stack rlimit under secureexec
exec: Consolidate dumpability logic
smack: Remove redundant pdeath_signal clearing
exec: Use secureexec for clearing pdeath_signal
exec: Use secureexec for setting dumpability
LSM: drop bprm_secureexec hook
commoncap: Move cap_elevated calculation into bprm_set_creds
commoncap: Refactor to remove bprm_secureexec hook
smack: Refactor to remove bprm_secureexec hook
selinux: Refactor to remove bprm_secureexec hook
apparmor: Refactor to remove bprm_secureexec hook
binfmt: Introduce secureexec flag
exec: Correct comments about "point of no return"
exec: Rename bprm->cred_prepared to called_set_creds
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull gcc plugins update from Kees Cook:
"This finishes the porting work on randstruct, and introduces a new
option to structleak, both noted below:
- For the randstruct plugin, enable automatic randomization of
structures that are entirely function pointers (along with a couple
designated initializer fixes).
- For the structleak plugin, provide an option to perform zeroing
initialization of all otherwise uninitialized stack variables that
are passed by reference (Ard Biesheuvel)"
* tag 'gcc-plugins-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
gcc-plugins: structleak: add option to init all vars used as byref args
randstruct: Enable function pointer struct detection
drivers/net/wan/z85230.c: Use designated initializers
drm/amd/powerplay: rv: Use designated initializers
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'const-thermal-zone-structure' into next
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into thermal-soc
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In rds_send_xmit() there is logic to batch the sends. However, if
another thread has acquired the lock and has incremented the send_gen,
it is considered a race and we yield. The code incrementing the
s_send_lock_queue_raced statistics counter did not count this event
correctly.
This commit counts the race condition correctly.
Changes from v1:
- Removed check for *someone_on_xmit()*
- Fixed incorrect indentation
Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Reviewed-by: Knut Omang <knut.omang@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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gcc-7 found an ancient bug in the loop driver, leading to a condition that
is always false, meaning we ignore the contents of 'card->flags' here:
drivers/isdn/isdnloop/isdnloop.c:412:37: error: ?: using integer constants in boolean context, the expression will always evaluate to 'true' [-Werror=int-in-bool-context]
This changes the braces in the expression to ensure we actually
compare the flag bits, rather than comparing a constant. As Joe Perches
pointed out, an earlier patch of mine incorrectly assumed this was a
false-positive warning.
Cc: Joe Perches <joe@perches.com>
Link: https://patchwork.kernel.org/patch/9840289/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 0ddf3fb2c43d ("udp: preserve skb->dst if required
for IP options processing") we clear the skb head state as soon
as the skb carrying them is first processed.
Since the same skb can be processed several times when MSG_PEEK
is used, we can end up lacking the required head states, and
eventually oopsing.
Fix this clearing the skb head state only when processing the
last skb reference.
Reported-by: Eric Dumazet <edumazet@google.com>
Fixes: 0ddf3fb2c43d ("udp: preserve skb->dst if required for IP options processing")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now when probessing ICMPV6_PKT_TOOBIG, ip6gre_err only subtracts the
offset of gre header from mtu info. The expected mtu of gre device
should also subtract gre header. Otherwise, the next packets still
can't be sent out.
Jianlin found this issue when using the topo:
client(ip6gre)<---->(nic1)route(nic2)<----->(ip6gre)server
and reducing nic2's mtu, then both tcp and sctp's performance with
big size data became 0.
This patch is to fix it by also subtracting grehdr (tun->tun_hlen)
from mtu info when updating gre device's mtu in ip6gre_err(). It
also needs to subtract ETH_HLEN if gre dev'type is ARPHRD_ETHER.
Reported-by: Jianlin Shi <jishi@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore update from Kees Cook:
"Make pstore permissions more versatile by removing CAP_SYSLOG
requirement and defining more restrictive root directory DAC
permissions default (0750, which can be adjust after boot unlike the
CAP_SYSLOG check).
Suggested by Nick Kralevich"
* tag 'pstore-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
Revert "pstore: Honor dmesg_restrict sysctl on dmesg dumps"
pstore: Make default pstorefs root dir perms 0750
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There's a memleak happening for chain 0. The thing is, chain 0 needs to
be always present, not created on demand. Therefore tcf_block_get upon
creation of block calls the tcf_chain_create function directly. The
chain is created with refcnt == 1, which is not correct in this case and
causes the memleak. So move the refcnt increment into tcf_chain_get
function even for the case when chain needs to be created.
Reported-by: Jakub Kicinski <kubakici@wp.pl>
Fixes: 5bc1701881e3 ("net: sched: introduce multichain support for filters")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Tested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull cifs update from Steve French:
"Enable xattr support for smb3 and also a bugfix"
* tag '4.14-smb3-xattr-enable' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Check for timeout on Negotiate stage
cifs: Add support for writing attributes on SMB2+
cifs: Add support for reading attributes on SMB2+
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Pull aio fix from Ben LaHaise:
"Improve aio-nr counting on large SMP systems.
It has been in linux-next for quite some time"
* git://git.kvack.org/~bcrl/aio-next:
fs: aio: fix the increment of aio-nr and counting against aio-max-nr
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull quota scaling updates from Jan Kara:
"This contains changes to make the quota subsystem more scalable.
Reportedly it improves number of files created per second on ext4
filesystem on fast storage by about a factor of 2x"
* 'quota_scaling' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: (28 commits)
quota: Add lock annotations to struct members
quota: Reduce contention on dq_data_lock
fs: Provide __inode_get_bytes()
quota: Inline dquot_[re]claim_reserved_space() into callsite
quota: Inline inode_{incr,decr}_space() into callsites
quota: Inline functions into their callsites
ext4: Disable dirty list tracking of dquots when journalling quotas
quota: Allow disabling tracking of dirty dquots in a list
quota: Remove dq_wait_unused from dquot
quota: Move locking into clear_dquot_dirty()
quota: Do not dirty bad dquots
quota: Fix possible corruption of dqi_flags
quota: Propagate ->quota_read errors from v2_read_file_info()
quota: Fix error codes in v2_read_file_info()
quota: Push dqio_sem down to ->read_file_info()
quota: Push dqio_sem down to ->write_file_info()
quota: Push dqio_sem down to ->get_next_id()
quota: Push dqio_sem down to ->release_dqblk()
quota: Remove locking for writing to the old quota format
quota: Do not acquire dqio_sem for dquot overwrites in v2 format
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull UDF, reiserfs, quota, fsnotify cleanups from Jan Kara:
"Several UDF, reiserfs, quota and fsnotify cleanups.
Note that there is also a patch updating MAINTAINERS entry for
notification subsystem to point to me as a maintainer since current
entries are stale"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fsnotify: make dnotify_fsnotify_ops const
isofs: Delete an unnecessary variable initialisation in isofs_read_inode()
isofs: Adjust four checks for null pointers
isofs: Delete an error message for a failed memory allocation in isofs_read_inode()
quota_v2: Delete an error message for a failed memory allocation in v2_read_file_info()
fs-udf: Delete an error message for a failed memory allocation in two functions
fs-udf: Improve six size determinations
fs-udf: Adjust two checks for null pointers
reiserfs: fix spelling mistake: "tranasction" -> "transaction"
MAINTAINERS: Update entries for notification subsystem
uapi/linux/quota.h: Do not include linux/errno.h
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