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Lenovo ThinkStation P620 is like other TRX40 boards, is equipped with
two USB audio cards.
USB device (17aa:104d) provides functionality for Internal Speaker and
Front Headset. It's UAC v2, so it supports insertion control (jack
detection). However, when trying to get the connector status of the
speaker, an error occurs:
[ 5.787405] usb 3-1: cannot get connectors status: req = 0x81, wValue = 0x200, wIndex = 0x1000, type = 0
Since the insertion control works perfectly for the headset, the error
for speaker is probably casued by connecting internally. So let's relax
the error for a bit if it's a speaker, and always reports it's connected.
USB device (17aa:1046) is for rear Line-in, Line-out and Microphone.
The insertion control works for all three jacks. However, there's an
Function Unit that doesn't work:
[ 5.905415] usb 3-6: cannot get ctl value: req = 0x83, wValue = 0xc00, wIndex = 0x1300, type = 4
[ 5.905418] usb 3-6: 19:0: cannot get min/max values for control 12 (id 19)
So turn off the FU to avoid the error.
Also, add specific card name for both devices, so userspace can easily
indentify both cards.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20200803142612.17156-1-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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In case of btf_id does not exist, a negative error code -ENOENT
should be returned.
Fixes: c93cc69004df3 ("bpftool: add ability to dump BTF types")
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20200802111540.5384-1-tianjia.zhang@linux.alibaba.com
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There is no need to call the dev_err() function directly to print a
custom message when handling an error from either the platform_get_irq() or
platform_get_irq_byname() functions as both are going to display an
appropriate error message in case of a failure.
This change is as per suggestions from Coccinelle, e.g.,
drivers/pci/controller/dwc/pcie-armada8k.c:252:2-9: line 252 is
redundant because platform_get_irq() already prints an error
[bhelgaas: squashed into one commit]
Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20200802142601.1635926-2-kw@linux.com
Link: https://lore.kernel.org/r/20200802142601.1635926-3-kw@linux.com
Link: https://lore.kernel.org/r/20200802142601.1635926-4-kw@linux.com
Link: https://lore.kernel.org/r/20200802142601.1635926-5-kw@linux.com
Link: https://lore.kernel.org/r/20200802142601.1635926-6-kw@linux.com
Link: https://lore.kernel.org/r/20200802142601.1635926-7-kw@linux.com
Link: https://lore.kernel.org/r/20200802142601.1635926-8-kw@linux.com
Link: https://lore.kernel.org/r/20200802142601.1635926-9-kw@linux.com
Link: https://lore.kernel.org/r/20200802142601.1635926-10-kw@linux.com
Link: https://lore.kernel.org/r/20200803071040.1663662-1-kw@linux.com
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Ley Foon Tan <ley.foon.tan@intel.com> # altera
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> # dwc
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The '&&' command seems to have a bad effect when $(cmd_$(1)) exits with
non-zero effect: the command failure is masked (despite `set -e`) and all but
the first command of $(dep-cmd) is executed (successfully, as they are mostly
printfs), thus overall returning 0 in the end.
This means in practice that despite compilation errors, tools's build Makefile
will return success. We see this very reliably with libbpf's Makefile, which
doesn't get compilation error propagated properly. This in turns causes issues
with selftests build, as well as bpftool and other projects that rely on
building libbpf.
The fix is simple: don't use &&. Given `set -e`, we don't need to chain
commands with &&. The shell will exit on first failure, giving desired
behavior and propagating error properly.
Fixes: 275e2d95591e ("tools build: Move dependency copy into function")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/bpf/20200731024244.872574-1-andriin@fb.com
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Add Kishon Vijay Abraham I as MAINTAINER for TI J721E SoC PCIe.
Link: https://lore.kernel.org/r/20200722110317.4744-16-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
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Add J721E in pci_device_id table so that pci-epf-test can be used
for testing PCIe EP in J721E.
Link: https://lore.kernel.org/r/20200722110317.4744-15-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
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Add support for PCIe controller in J721E SoC. The controller uses the
Cadence PCIe core programmed by pcie-cadence*.c. The PCIe controller
will work in both host mode and device mode.
Some of the features of the controller are:
*) Supports both RC mode and EP mode
*) Supports MSI and MSI-X support
*) Supports upto GEN3 speed mode
*) Supports SR-IOV capability
*) Ability to route all transactions via SMMU (support will be added
in a later patch).
Link: https://lore.kernel.org/r/20200722110317.4744-14-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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The documentation [1] says that WQ_CPU_INTENSIVE is "meaningless" for
unbound wq. I remove this flag from places where unbound queue is
allocated. This is supposed to improve code readability.
[1] https://www.kernel.org/doc/html/latest/core-api/workqueue.html#flags
Signed-off-by: Maksym Planeta <mplaneta@os.inf.tu-dresden.de>
[Gao Xiang: since the original treewide patch [2] hasn't been merged
yet, handling the EROFS part only for the next cycle. ]
[2] https://lore.kernel.org/r/20200213141823.2174236-1-mplaneta@os.inf.tu-dresden.de
Link: https://lore.kernel.org/r/20200731024049.16495-1-hsiangkao@aol.com
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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It's expected that erofs_workgroup_unfreeze_final() won't
be used in other places. Let's fold it to simplify the code.
Link: https://lore.kernel.org/r/20200729180235.25443-1-hsiangkao@redhat.com
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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Each ondisk inode should be aligned with inode slot boundary
(32-byte alignment) because of nid calculation formula, so all
compact inodes (32 byte) cannot across page boundary. However,
extended inode is now 64-byte form, which can across page boundary
in principle if the location is specified on purpose, although
it's hard to be generated by mkfs due to the allocation policy
and rarely used by Android use case now mainly for > 4GiB files.
For now, only two fields `i_ctime_nsec` and `i_nlink' couldn't
be read from disk properly and cause out-of-bound memory read
with random value.
Let's fix now.
Fixes: 431339ba9042 ("staging: erofs: add inode operations")
Cc: <stable@vger.kernel.org> # 4.19+
Link: https://lore.kernel.org/r/20200729175801.GA23973@xiangao.remote.csb
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Reviewed-by: Gao Xiang <hsiangkao@redhat.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200713130944.34419-1-grandmaster@al2klimov.de
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.9
The biggest changes here one again come from Mormioto-san who has
continued his dilligent work cleaning up long standing issues in the
APIs, it's particularly nice to see the transition from digital_mute()
to mute_stream() finally completed. There's also been a lot of work on
the x86 code again, this time a big focus has been on cleaning up some
issues identified by various static tests, and on the Freescale systems.
Otherwise the biggest thing has been a lot of driver additions:
- Convert users of digital_mute() to mute_stream().
- Simplify I/O helper functions.
- Add a helper for getting the RTD from a substream.
- Many, many fixes and cleanups to the x86 code.
- New drivers for Freescale MQS and i.MX6sx, Intel KeemBay I2S, Maxim
MAX98360A and MAX98373 Soundwire, several Mediatek boards, nVidia
Tegra 186 and 210, RealTek RL6231, Samsung Midas and Aries boards (some
of the first phones I worked on!) and TI J721e EVM.
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https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-5.9/drivers
Pull MD fixes from Song.
* 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md/raid5: Allow degraded raid6 to do rmw
md/raid5: Fix Force reconstruct-write io stuck in degraded raid5
raid5: don't duplicate code for different paths in handle_stripe
raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show
md: print errno in super_written
md/raid5: remove the redundant setting of STRIPE_HANDLE
md: register new md sysfs file 'uuid' read-only
md: fix max sectors calculation for super 1.0
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Minor conflict in tools/perf/arch/arm/util/auxtrace.c as one fix there
was cherry-picked for the last perf/urgent pull req to Linus, so was
already there.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier:
- Add infrastructure to allow DT irqchip platform drivers to
be built as modules
- Allow qcom-pdc, mtk-cirq and mtk-sysirq to be built as module
- Fix ACPI probing to avoid abusing function pointer casting
- Allow bcm7120-l2 and brcmstb-l2 to be used as wake-up sources
- Teach NXP's IMX INTMUX some power management
- Allow stm32-exti to be used as a hierarchical irqchip
- Let stm32-exti use the hw spinlock API in its full glory
- A couple of GICv4.1 fixes
- Tons of cleanups (mtk-sysirq, aic5, bcm7038-l1, imx-intmux,
brcmstb-l2, ativic32, ti-sci-inta, lonsoon, MIPS GIC, GICv3)
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Initialising the value before using it is generally regarded as a good
idea so do that.
Fixes: 4c51f3e1e870 ("powerpc/powernv/sriov: Make single PE mode a per-BAR setting")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200803075408.132601-1-oohall@gmail.com
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Some of our tests use VSX or newer VMX instructions, so need to be
skipped on older CPUs to avoid SIGILL'ing.
Similarly TAR was added in v2.07, and the PMU event used in the stcx
fail test only works on Power8 or later.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200803020719.96114-1-mpe@ellerman.id.au
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The assembler says:
arch/powerpc/kernel/head_40x.S:623: Warning: invalid register expression
It's objecting to the use of r0 as the RA argument. That's because
when RA = 0 the literal value 0 is used, rather than the content of
r0, making the use of r0 in the source potentially confusing.
Fix it to use a literal 0, the generated code is identical.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200722022422.825197-1-mpe@ellerman.id.au
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The comment for function filemap_check_wb_err accidentally refers to
it as filemap_check_wb_error.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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All the LEDs in the queue are RGB, so they should not use multi for
their color.
Make sure we don't add such LED by mistake (and make it part of ABI).
Signed-off-by: Pavel Machek <pavel@ucw.cz>
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In gfs2_glock_poke, make sure gfs2_holder_uninit is called on the local
glock holder. Without that, we're leaking a glock and a pid reference.
Fixes: 9e8990dea926 ("gfs2: Smarter iopen glock waiting")
Cc: stable@vger.kernel.org # v5.8+
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Multicolor is a bit too abstract. Yes, we can have
Green-Magenta-Ultraviolet LED, but so far all the LEDs we support are
RGB, and not even RGB-White or RGB-Yellow variants emerged.
Multicolor is not a good fit for RGB LED. It does not really know
about LED color. In particular, there's no way to make LED "white".
Userspace is interested in knowing "this LED can produce arbitrary
color", which not all multicolor LEDs can.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
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Pass a pointer to the existing glock holder from
gfs2_file_{read,write}_iter to gfs2_file_direct_{read,write}
to save some stack space.
Suggested-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Before this patch, three flags were not represented in the glock output.
This patch adds them in:
c - GLF_INODE_CREATING
P - GLF_PENDING_DELETE
x - GLF_FREEING (both f and F are already used)
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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* acpi-mm:
ACPI: OSL: Clean up the removal of unused memory mappings
ACPI: OSL: Use deferred unmapping in acpi_os_unmap_iomem()
ACPI: OSL: Use deferred unmapping in acpi_os_unmap_generic_address()
ACPICA: Preserve memory opregion mappings
ACPI: OSL: Implement deferred unmapping of ACPI memory
* acpi-tables:
ACPI: NUMA: Remove the useless 'node >= MAX_NUMNODES' check
ACPI: NUMA: Remove the useless sub table pointer check
ACPI: tables: Remove the duplicated checks for acpi_parse_entries_array()
ACPI: tables: avoid relocations for table signature array
* acpi-apei:
ACPI: APEI: remove redundant assignment to variable rc
* acpi-misc:
ACPI: Replace HTTP links with HTTPS ones
ACPI: Use valid link to the ACPI specification
ACPI: Use fallthrough pseudo-keyword
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and 'acpi-prop'
* acpi-proc:
ACPI: procfs: Remove last dirs after being marked deprecated for a decade
* acpi-sysfs:
ACPI: sysfs: add newlines when printing module parameters
* acpi-pad:
ACPI: PAD: Eliminate usage of uninitialized_var() macro
* acpi-ec:
ACPI: EC: add newline when printing 'ec_event_clearing' module parameter
* acpi-pci:
PCI: hotplug: ACPI: Fix context refcounting in acpiphp_grab_context()
* acpi-prop:
ACPI: property: use cached name in acpi_fwnode_get_named_child_node()
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* pm-sleep:
PM: sleep: spread "const char *" correctness
PM: hibernate: fix white space in a few places
freezer: Add unsafe version of freezable_schedule_timeout_interruptible() for NFS
PM: sleep: core: Emit changed uevent on wakeup_sysfs_add/remove
* pm-domains:
PM: domains: Restore comment indentation for generic_pm_domain.child_links
PM: domains: Fix up terminology with parent/child
* powercap:
powercap: Add Power Limit4 support
powercap: idle_inject: Replace play_idle() with play_idle_precise() in comments
powercap: intel_rapl: add support for Sapphire Rapids
* pm-tools:
pm-graph v5.7 - important s2idle fixes
cpupower: Replace HTTP links with HTTPS ones
cpupower: Fix NULL but dereferenced coccicheck errors
cpupower: Fix comparing pointer to 0 coccicheck warns
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* pm-cpufreq: (24 commits)
cpufreq: intel_pstate: Fix EPP setting via sysfs in active mode
cpufreq: intel_pstate: Rearrange the storing of new EPP values
cpufreq: intel_pstate: Avoid enabling HWP if EPP is not supported
cpufreq: intel_pstate: Clean up aperf_mperf_shift description
cpufreq: powernv: Make some symbols static
cpufreq: amd_freq_sensitivity: Mark sometimes used ID structs as __maybe_unused
cpufreq: intel_pstate: Supply struct attribute description for get_aperf_mperf_shift()
cpufreq: pcc-cpufreq: Mark sometimes used ID structs as __maybe_unused
cpufreq: powernow-k8: Mark 'hi' and 'lo' dummy variables as __always_unused
cpufreq: acpi-cpufreq: Mark sometimes used ID structs as __maybe_unused
cpufreq: acpi-cpufreq: Mark 'dummy' variable as __always_unused
cpufreq: powernv-cpufreq: Fix a bunch of kerneldoc related issues
cpufreq: pasemi: Include header file for {check,restore}_astate prototypes
cpufreq: cpufreq_governor: Demote store_sampling_rate() header to standard comment block
cpufreq: cpufreq: Demote lots of function headers unworthy of kerneldoc status
cpufreq: freq_table: Demote obvious misuse of kerneldoc to standard comment blocks
cpufreq: Replace HTTP links with HTTPS ones
cpufreq: intel_pstate: Fix static checker warning for epp variable
cpufreq: Remove the weakly defined cpufreq_default_governor()
cpufreq: Specify default governor on command line
...
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* pm-cpuidle:
cpuidle: ACPI: fix 'return' with no value build warning
intel_idle: Customize IceLake server support
cpuidle: change enter_s2idle() prototype
cpuidle: psci: Prevent domain idlestates until consumers are ready
cpuidle: psci: Convert PM domain to platform driver
cpuidle: psci: Fix error path via converting to a platform driver
cpuidle: psci: Fail cpuidle registration if set OSI mode failed
cpuidle: psci: Split into two separate build objects
intel_idle: Eliminate redundant static variable
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* pm-em:
OPP: refactor dev_pm_opp_of_register_em() and update related drivers
Documentation: power: update Energy Model description
PM / EM: change name of em_pd_energy to em_cpu_energy
PM / EM: remove em_register_perf_domain
PM / EM: add support for other devices than CPUs in Energy Model
PM / EM: update callback structure and add device pointer
PM / EM: introduce em_dev_register_perf_domain function
PM / EM: change naming convention from 'capacity' to 'performance'
* pm-core:
mmc: jz4740: Use pm_ptr() macro
PM: Make *_DEV_PM_OPS macros use __maybe_unused
PM: core: introduce pm_ptr() macro
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* pm-devfreq:
PM / devfreq: Fix the wrong end with semicolon
PM / devfreq: Fix indentaion of devfreq_summary debugfs node
PM / devfreq: Clean up the devfreq instance name in sysfs attr
memory: samsung: exynos5422-dmc: Add module param to control IRQ mode
memory: samsung: exynos5422-dmc: Adjust polling interval and uptreshold
memory: samsung: exynos5422-dmc: Use delayed timer as default
PM / devfreq: Add support delayed timer for polling mode
dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle
PM / devfreq: tegra: Add Dmitry as a maintainer
PM / devfreq: event: Fix trivial spelling
PM / devfreq: rk3399_dmc: Fix kernel oops when rockchip,pmu is absent
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mac80211.h says: Beacon filter support is advertised with the
IEEE80211_VIF_BEACON_FILTER interface capability. The driver needs to
enable beacon filter support whenever power save is enabled, that is
IEEE80211_CONF_PS is set. When power save is enabled, the stack will
not check for beacon loss and the driver needs to notify about loss
of beacons with ieee80211_beacon_loss().
Some controllers may want to dynamically enable the beacon filter
capabilities on power save entry (CONF_PS) and disable it on exit.
This is the case for the wcn36xx driver which only supports beacon
filtering in PS mode (no CONNECTION_MONITOR support).
When the mac80211 beacon monitor timer expires, the beacon filter
flag must be checked again in case it as been changed in between
(e.g. vif moved to PS mode).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/1592471863-31402-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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On heavily loaded systems the GC can take time to go over all existing
conns and reset their timeout. At that time other calls like from
nf_conntrack_in() can call of nf_ct_is_expired() and see the conn as
expired. To fix this when we set the offload bit we should also reset
the timeout instead of counting on GC to finish first iteration over
all conns before the initial timeout.
Fixes: 90964016e5d3 ("netfilter: nf_conntrack: add IPS_OFFLOAD status bit")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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To be used by callers from other modules.
[ Rename DAY to NF_CT_DAY to avoid possible symbol name pollution
issue --Pablo ]
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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simple test case, but would have caught this:
FAIL: iifgroupcount, want "packets 2", got
table inet filter {
counter iifgroupcount {
packets 0 bytes 0
}
}
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The variable mds is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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If the ceph_mdsc_init() fails, it will free the mdsc already.
Reported-by: syzbot+b57f46d8d6ea51960b8c@syzkaller.appspotmail.com
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Fix build warnings:
fs/ceph/mdsmap.c: In function ‘ceph_mdsmap_decode’:
fs/ceph/mdsmap.c:192:7: warning: variable ‘info_cv’ set but not used [-Wunused-but-set-variable]
fs/ceph/mdsmap.c:177:7: warning: variable ‘state_seq’ set but not used [-Wunused-but-set-variable]
fs/ceph/mdsmap.c:123:15: warning: variable ‘mdsmap_cv’ set but not used [-Wunused-but-set-variable]
Note that p is increased in ceph_decode_*.
Signed-off-by: Jia Yang <jiayang5@huawei.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Drop duplicated words "down" and "the" in fs/ceph/.
[ idryomov: merge into a single patch ]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Send metric flags to the MDS, indicating what metrics the client
supports. Currently that consists of cap statistics, and read, write and
metadata latencies.
URL: https://tracker.ceph.com/issues/43435
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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This will send the caps/read/write/metadata metrics to any available MDS
once per second, which will be the same as the userland client. It will
skip the MDS sessions which don't support the metric collection, as the
MDSs will close socket connections when they get an unknown type
message.
We can disable the metric sending via the disable_send_metrics module
parameter.
[ jlayton: fix up endianness bug in ceph_mdsc_send_metrics() ]
URL: https://tracker.ceph.com/issues/43215
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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If the session is already in closed state, we should skip it.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
[ idryomov: Do the same for the CRUSH paper and replace
ceph.newdream.net with ceph.io. ]
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Remove unnecassary casts in the argument to kfree.
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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The caller can just ignore the return. No need for this wrapper that
just casts the other function to void.
[ idryomov: argument alignment ]
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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In aio case, if the completion comes very fast just before the
ceph_read_iter() returns to fs/aio.c, the kiocb will be freed in
the completion callback, then if ceph_read_iter() access again
we will potentially hit the use-after-free bug.
[ jlayton: initialize direct_lock early, and use it everywhere ]
URL: https://tracker.ceph.com/issues/45649
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Make this loop look a bit more sane. Also optimize away the spinlock
release/reacquire if we can't get an inode reference.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Make sure the delayed work stopped before releasing the resources.
cancel_delayed_work_sync() will only guarantee that the work finishes
executing if the work is already in the ->worklist. That means after
the cancel_delayed_work_sync() returns, it will leave the work requeued
if it was rearmed at the end. That can lead to a use after free once the
work struct is freed.
Fix it by flushing the delayed work instead of trying to cancel it, and
ensure that the work doesn't rearm if the mdsc is stopping.
URL: https://tracker.ceph.com/issues/46293
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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...and let the errnos bubble up to the callers.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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