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Register a power supply charger, whose online state depends on whether
the USB role is set to device or not.
This is useful when the USB role is the only way to know if the device
is charging from USB. The API is the standard power supply charger API,
you get a /sys/class/power_supply/xxx/online node which tells you the
state of the charger.
The sole purpose of this is to give userspace applications a way to
know whether or not the charger is plugged.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20200727170413.23131-1-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Inside function ql_get_dump comment statement had a repition of word
"to" which I removed and checkpatch.pl ouputs zero error or warnings
now.
Signed-off-by: Dhiraj Sharma <dhiraj.sharma0024@gmail.com>
Link: https://lore.kernel.org/r/20200728182610.2538-1-dhiraj.sharma0024@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make use of the flex_array_size() helper to calculate the size of a
flexible array member within an enclosing structure.
This helper offers defense-in-depth against potential integer
overflows, while at the same time makes it explicitly clear that
we are dealing with a flexible array member.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20200729233557.GA17693@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adjust spacing in macro definitions to align them and improve
readbility
Signed-off-by: Aditya Jain <aditya.jainadityajain.jain@gmail.com>
Link: https://lore.kernel.org/r/20200729192136.23828-4-aditya.jainadityajain.jain@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Clean up multiline function declartions in hal_phy_cfg.h
to improve code readablility
Signed-off-by: Aditya Jain <aditya.jainadityajain.jain@gmail.com>
Link: https://lore.kernel.org/r/20200729192136.23828-3-aditya.jainadityajain.jain@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixing ERROR: "foo * bar" should be "foo *bar" in hal_phy_cfg.h
as reported by checkpatch.pl
Signed-off-by: Aditya Jain <aditya.jainadityajain.jain@gmail.com>
Link: https://lore.kernel.org/r/20200729192136.23828-2-aditya.jainadityajain.jain@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The update firmware flow of ic type 0x15 is same with ic type 0x14.
Signed-off-by: Jingle Wu <jingle.wu@emc.com.tw>
Link: https://lore.kernel.org/r/20200730060526.12439-1-jingle.wu@emc.com.tw
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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schedutil is already a hard-requirement for EAS, which has lead to making
it default on arm (when CONFIG_BIG_LITTLE), see:
commit 8fdcca8e254a ("cpufreq: Select schedutil when using big.LITTLE")
One thing worth pointing out is that schedutil isn't only relevant for
asymmetric CPU capacity systems; for instance, schedutil is the only
governor that honours util-clamp performance requests. Another good example
of this is x86 switching to using it by default in:
commit a00ec3874e7d ("cpufreq: intel_pstate: Select schedutil as the default governor")
Arguably it should be made the default for all architectures, but it seems
better to wait for them to also gain frequency invariance powers. Make it
the default for arm && arm64 for now.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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It is not possible for cached_resolved_idx to be invalid here as the
cpufreq core always sets index to a positive value.
Change its type to unsigned int and fix qcom usage a bit.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Add support for CPU frequency scaling on Tegra194. The frequency
of each core can be adjusted by writing a clock divisor value to
a MSR on the core. The range of valid divisors is queried from
the BPMP.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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When probing cpufreq for iMX6 the values in the efuse needs to be
read which requires NVMEM_IMX_OCOTP. If this option is not enabled,
the probe will be deferred forever and cpufreq won't be available.
This patch forces the selection of the required configuration option.
Signed-off-by: Walter Lozano <walter.lozano@collabora.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Kerneldoc format for attribute descriptions should be '@.*: '.
Fixes the following W=1 kernel build warning(s):
drivers/cpufreq/sti-cpufreq.c:49: warning: cannot understand function prototype: 'struct sti_cpufreq_ddata '
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Pal Singh <ajitpal.singh@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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We always put the reference to BPMP device on exit of the Tegra186
CPUFREQ driver and so there is no need to have separate exit paths
for success and failure. Therefore, simplify the probe return path
in the Tegra186 CPUFREQ driver by combining the success and failure
paths.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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The 'caps' variable has been defined in cppc_cpufreq_khz_to_perf() and
cppc_cpufreq_perf_to_khz() routines, so there is no need to get
'highest_perf' value through 'cpu->caps.highest_perf', we can use
'caps->highest_perf' instead.
Signed-off-by: Xin Hao <xhao@linux.alibaba.com>
[ Viresh: Updated commit log ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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The Armada 8K cpufreq driver needs the Armada AP CPU CLK
to work. This dependency is currently not satisfied and
the ARMADA_AP_CPU_CLK can not be selected independently.
Add it to the cpufreq Armada8k driver.
Fixes: f525a670533d ("cpufreq: ap806: add cpufreq driver for Armada 8K")
Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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With the current approach we have an extra check in the
cppc_cpufreq_get_rate() callback, which checks if hisilicon's get rate
implementation should be used instead. While it works fine, the approach
isn't very straight forward, over that we have an extra check in the
routine.
Rearrange code and update the cpufreq driver's get() callback pointer
directly for the hisilicon case. This gets the extra variable is removed
and the extra check isn't required anymore as well.
Tested-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Commit 0c868627e617e43a295d8 (cpufreq: dt: Allow platform specific
intermediate callbacks) added two function pointers to the
struct cpufreq_dt_platform_data. However, armada37xx_cpufreq_driver_init()
has this struct (pdata) located on the stack and uses only "suspend"
and "resume" fields. So these newly added "get_intermediate" and
"target_intermediate" pointers are uninitialized and contain arbitrary
non-null values, causing all kinds of trouble.
For instance, here is an oops on espressobin after an attempt to change
the cpefreq governor:
[ 29.174554] Unable to handle kernel execute from non-executable memory at virtual address ffff00003f87bdc0
...
[ 29.269373] pc : 0xffff00003f87bdc0
[ 29.272957] lr : __cpufreq_driver_target+0x138/0x580
...
Fixed by zeroing out pdata before use.
Cc: <stable@vger.kernel.org> # v5.7+
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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On suspend we send AVS_CMD_S2_ENTER and on resume AVS_CMD_S2_EXIT.
These are best effort calls, so we don't check the return code or take
any action if either of the calls fails.
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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In case the interrupt towards the host is never raised, yet the AVS
firmware responds correctly within the alloted time, allow supporting a
polling mode.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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We are changing how parameters are passed to __issue_avs_command(), so we
can pass input *and* output arguments with the same command, rather than
just one or the other.
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Disable fast switch when the opp-tables required for scaling DDR/L3
are populated.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Add support to parse optional OPP table attached to the cpu node when
the OPP bandwidth values are populated. This allows for scaling of
DDR/L3 bandwidth levels with frequency change.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Add and export 'dev_pm_opp_set_bw' to set the bandwidth
levels associated with an OPP.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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If CONFIG_SERIAL_EARLYCON is not set, gcc warns this:
drivers/soc/qcom/qcom-geni-se.c: In function 'geni_se_probe'
drivers/soc/qcom/qcom-geni-se.c:914:1: warning: label 'exit' defined but not used [-Wunused-label]
exit:
^~~~
Fixes: 048eb908a1f2 ("soc: qcom-geni-se: Add interconnect support to fix earlycon crash")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20200722020619.25988-1-yuehaibing@huawei.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Fix typo in parameter description.
Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200725063429.172139-1-weiyongjun1@huawei.com
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There is a spelling mistake in a dev_dbg messages. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200724111258.14762-1-colin.king@canonical.com
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Recently ASPM handling was changed to allow ASPM on PCIe-to-PCI/PCI-X
bridges. Unfortunately the ASMedia ASM1083/1085 PCIe to PCI bridge device
doesn't seem to function properly with ASPM enabled. On an Asus PRIME
H270-PRO motherboard, it causes errors like these:
pcieport 0000:00:1c.0: AER: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID)
pcieport 0000:00:1c.0: AER: device [8086:a292] error status/mask=00003000/00002000
pcieport 0000:00:1c.0: AER: [12] Timeout
pcieport 0000:00:1c.0: AER: Corrected error received: 0000:00:1c.0
pcieport 0000:00:1c.0: AER: can't find device of ID00e0
In addition to flooding the kernel log, this also causes the machine to
wake up immediately after suspend is initiated.
The device advertises ASPM L0s and L1 support in the Link Capabilities
register, but the ASMedia web page for ASM1083 [1] claims "No PCIe ASPM
support".
Windows 10 (build 2004) enables L0s, but it also logs correctable PCIe
errors.
Add a quirk to disable ASPM for this device.
[1] https://www.asmedia.com.tw/eng/e_show_products.php?cate_index=169&item=114
[bhelgaas: commit log]
Fixes: 66ff14e59e8a ("PCI/ASPM: Allow ASPM on links to PCIe-to-PCI/PCI-X Bridges")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=208667
Link: https://lore.kernel.org/r/20200722021803.17958-1-hancockrwd@gmail.com
Signed-off-by: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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The acpi_get_table() should be coupled with acpi_put_table() if the mapped
table is not used at runtime to release the table mapping.
In pci_quirk_amd_sb_acs(), IVRS table is just used for checking AMD IOMMU
is supported, not used at runtime, so put the table after using it.
Fixes: 15b100dfd1c9 ("PCI: Claim ACS support for AMD southbridge devices")
Link: https://lore.kernel.org/r/1595411068-15440-1-git-send-email-guohanjun@huawei.com
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Announce the device, e.g.,
pci 0000:00:00.0: [8086:5910] type 00 class 0x060000
after running early fixups, so the log message reflects any device type or
class code fixups.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/1595833615-8049-1-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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RX queue IRQ mappings are disposed in both the TX IRQ and RX IRQ
error paths. Fix this and dispose of TX IRQ mappings correctly in
case of an error.
Fixes: ea22d51a7831 ("ibmvnic: simplify and improve driver probe function")
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit call to gpiochip_irqchip_add().
The irqchip is instead added while adding the gpiochip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Biju Das <biju.das@bp.renesas.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200722113141.243163-1-linus.walleij@linaro.org
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Fix W=1 compile warnings (invalid kerneldoc):
drivers/soc/qcom/smd-rpm.c:35: warning: Function parameter or member 'dev' not described in 'qcom_smd_rpm'
drivers/soc/qcom/smd-rpm.c:99: warning: Function parameter or member 'state' not described in 'qcom_rpm_smd_write'
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200729074415.28393-2-krzk@kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add the Texas Instruments BQ28z610 battery monitor.
The register address map is laid out the same as compared to other
devices within the file.
The battery status register bits are similar to the bq27z561 but they
are different compared to other fuel gauge devices within this file.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add the Texas Instruments BQ27Z561 battery monitor. The register address
map is laid out the same as compared to other devices within the file.
The battery status register has differing bits to determine if the
battery is full, discharging or dead.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Tony Nguyen says:
====================
100GbE Intel Wired LAN Driver Updates 2020-07-29
This series contains updates to the ice driver only.
Dave works around LFC settings not being preserved through link events.
Fixes link issues with GLOBR reset and handling of multiple link events.
Nick restores VF MSI-X after PCI reset.
Kiran corrects the error code returned in ice_aq_sw_rules if the rule
does not exist.
Paul prevents overwriting of user set descriptors.
Tarun adds masking before accessing rate limiting profile types and
corrects queue bandwidth configuration.
Victor modifies Tx queue scheduler distribution to spread more evenly
across queue group nodes.
Krzysztof sets need_wakeup flag for Tx AF_XDP.
Brett allows VLANs in safe mode.
Marcin cleans up VSIs on probe failure.
Bruce reduces the scope of a variable.
Ben removes a FW workaround.
Tony fixes an unused parameter warning.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are seeing AMD Radeon Pro W5700 doesn't work when IOMMU is enabled:
iommu ivhd0: AMD-Vi: Event logged [IOTLB_INV_TIMEOUT device=63:00.0 address=0x42b5b01a0]
iommu ivhd0: AMD-Vi: Event logged [IOTLB_INV_TIMEOUT device=63:00.0 address=0x42b5b01c0]
The error also makes graphics driver fail to probe the device.
It appears to be the same issue as commit 5e89cd303e3a ("PCI: Mark AMD
Navi14 GPU rev 0xc5 ATS as broken") addresses, and indeed the same ATS
quirk can workaround the issue.
See-also: 5e89cd303e3a ("PCI: Mark AMD Navi14 GPU rev 0xc5 ATS as broken")
See-also: d28ca864c493 ("PCI: Mark AMD Stoney Radeon R7 GPU ATS as broken")
See-also: 9b44b0b09dec ("PCI: Mark AMD Stoney GPU ATS as broken")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=208725
Link: https://lore.kernel.org/r/20200728104554.28927-1-kai.heng.feng@canonical.com
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The kernel test robot points out two harmless warnings in the
mmp clk drivers:
drivers/clk/mmp/clk-pxa168.c:68:13: warning: no previous prototype for 'pxa168_clk_init' [-Wmissing-prototypes]
drivers/clk/mmp/clk-pxa910.c:66:13: warning: no previous prototype for 'pxa910_clk_init' [-Wmissing-prototypes]
Fix these by including corresponding header file.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200729113456.4072290-1-arnd@arndb.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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388c8c16abaf ("PCI: add routines for debugging and handling lost
interrupts") added pci_lost_interrupt() that apparently never has had a
single user. Remove it.
Link: https://lore.kernel.org/r/e328d059-3068-6a40-28df-f81f616d15a0@gmail.com
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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mvneta has switched to phylink, so the comment should look
like "We may have called phylink_speed_down before".
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Several notifiers are registered as part of router initialization.
Since some of these notifiers are registered before the end of the
initialization, it is possible for them to access uninitialized or freed
memory when processing notifications [1].
Additionally, some of these notifiers queue work items on a workqueue.
If these work items are executed after the router was de-initialized,
they will access freed memory.
Fix both problems by moving the registration of the notifiers to the end
of the router initialization and flush the work queue after they are
unregistered.
[1]
BUG: KASAN: use-after-free in __mutex_lock_common kernel/locking/mutex.c:938 [inline]
BUG: KASAN: use-after-free in __mutex_lock+0xeea/0x1340 kernel/locking/mutex.c:1103
Read of size 8 at addr ffff888038c3a6e0 by task kworker/u4:1/61
CPU: 1 PID: 61 Comm: kworker/u4:1 Not tainted 5.8.0-rc2+ #36
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
Workqueue: mlxsw_core_ordered mlxsw_sp_inet6addr_event_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xf6/0x16e lib/dump_stack.c:118
print_address_description.constprop.0+0x1c/0x250 mm/kasan/report.c:383
__kasan_report mm/kasan/report.c:513 [inline]
kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530
__mutex_lock_common kernel/locking/mutex.c:938 [inline]
__mutex_lock+0xeea/0x1340 kernel/locking/mutex.c:1103
mlxsw_sp_inet6addr_event_work+0xb3/0x1b0 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:7123
process_one_work+0xa3e/0x17a0 kernel/workqueue.c:2269
worker_thread+0x9e/0x1050 kernel/workqueue.c:2415
kthread+0x355/0x470 kernel/kthread.c:291
ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:293
Allocated by task 1298:
save_stack+0x1b/0x40 mm/kasan/common.c:48
set_track mm/kasan/common.c:56 [inline]
__kasan_kmalloc mm/kasan/common.c:494 [inline]
__kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:467
kmalloc include/linux/slab.h:555 [inline]
kzalloc include/linux/slab.h:669 [inline]
mlxsw_sp_router_init+0xb2/0x1d20 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:8074
mlxsw_sp_init+0xbd8/0x3ac0 drivers/net/ethernet/mellanox/mlxsw/spectrum.c:2932
__mlxsw_core_bus_device_register+0x657/0x10d0 drivers/net/ethernet/mellanox/mlxsw/core.c:1375
mlxsw_core_bus_device_register drivers/net/ethernet/mellanox/mlxsw/core.c:1436 [inline]
mlxsw_devlink_core_bus_device_reload_up+0xcd/0x150 drivers/net/ethernet/mellanox/mlxsw/core.c:1133
devlink_reload net/core/devlink.c:2959 [inline]
devlink_reload+0x281/0x3b0 net/core/devlink.c:2944
devlink_nl_cmd_reload+0x2f1/0x7c0 net/core/devlink.c:2987
genl_family_rcv_msg_doit net/netlink/genetlink.c:691 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:736 [inline]
genl_rcv_msg+0x611/0x9d0 net/netlink/genetlink.c:753
netlink_rcv_skb+0x152/0x440 net/netlink/af_netlink.c:2469
genl_rcv+0x24/0x40 net/netlink/genetlink.c:764
netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
netlink_unicast+0x53a/0x750 net/netlink/af_netlink.c:1329
netlink_sendmsg+0x850/0xd90 net/netlink/af_netlink.c:1918
sock_sendmsg_nosec net/socket.c:652 [inline]
sock_sendmsg+0x150/0x190 net/socket.c:672
____sys_sendmsg+0x6d8/0x840 net/socket.c:2363
___sys_sendmsg+0xff/0x170 net/socket.c:2417
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2450
do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:359
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Freed by task 1348:
save_stack+0x1b/0x40 mm/kasan/common.c:48
set_track mm/kasan/common.c:56 [inline]
kasan_set_free_info mm/kasan/common.c:316 [inline]
__kasan_slab_free+0x12c/0x170 mm/kasan/common.c:455
slab_free_hook mm/slub.c:1474 [inline]
slab_free_freelist_hook mm/slub.c:1507 [inline]
slab_free mm/slub.c:3072 [inline]
kfree+0xe6/0x320 mm/slub.c:4063
mlxsw_sp_fini+0x340/0x4e0 drivers/net/ethernet/mellanox/mlxsw/spectrum.c:3132
mlxsw_core_bus_device_unregister+0x16c/0x6d0 drivers/net/ethernet/mellanox/mlxsw/core.c:1474
mlxsw_devlink_core_bus_device_reload_down+0x8e/0xc0 drivers/net/ethernet/mellanox/mlxsw/core.c:1123
devlink_reload+0xc6/0x3b0 net/core/devlink.c:2952
devlink_nl_cmd_reload+0x2f1/0x7c0 net/core/devlink.c:2987
genl_family_rcv_msg_doit net/netlink/genetlink.c:691 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:736 [inline]
genl_rcv_msg+0x611/0x9d0 net/netlink/genetlink.c:753
netlink_rcv_skb+0x152/0x440 net/netlink/af_netlink.c:2469
genl_rcv+0x24/0x40 net/netlink/genetlink.c:764
netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
netlink_unicast+0x53a/0x750 net/netlink/af_netlink.c:1329
netlink_sendmsg+0x850/0xd90 net/netlink/af_netlink.c:1918
sock_sendmsg_nosec net/socket.c:652 [inline]
sock_sendmsg+0x150/0x190 net/socket.c:672
____sys_sendmsg+0x6d8/0x840 net/socket.c:2363
___sys_sendmsg+0xff/0x170 net/socket.c:2417
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2450
do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:359
entry_SYSCALL_64_after_hwframe+0x44/0xa9
The buggy address belongs to the object at ffff888038c3a000
which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 1760 bytes inside of
2048-byte region [ffff888038c3a000, ffff888038c3a800)
The buggy address belongs to the page:
page:ffffea0000e30e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 head:ffffea0000e30e00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x100000000010200(slab|head)
raw: 0100000000010200 dead000000000100 dead000000000122 ffff88806c40c000
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888038c3a580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888038c3a600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888038c3a680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888038c3a700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888038c3a780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
Fixes: 965fa8e600d2 ("mlxsw: spectrum_router: Make RIF deletion more robust")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The lifetime of EMAD transactions (i.e., 'struct mlxsw_reg_trans') is
managed using RCU. They are freed using kfree_rcu() once the transaction
ends.
However, in case the transaction failed it is freed immediately after being
removed from the active transactions list. This is problematic because it is
still possible for a different CPU to dereference the transaction from an RCU
read-side critical section while traversing the active transaction list in
mlxsw_emad_rx_listener_func(). In which case, a use-after-free is triggered
[1].
Fix this by freeing the transaction after a grace period by calling
kfree_rcu().
[1]
BUG: KASAN: use-after-free in mlxsw_emad_rx_listener_func+0x969/0xac0 drivers/net/ethernet/mellanox/mlxsw/core.c:671
Read of size 8 at addr ffff88800b7964e8 by task syz-executor.2/2881
CPU: 0 PID: 2881 Comm: syz-executor.2 Not tainted 5.8.0-rc4+ #44
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xf6/0x16e lib/dump_stack.c:118
print_address_description.constprop.0+0x1c/0x250 mm/kasan/report.c:383
__kasan_report mm/kasan/report.c:513 [inline]
kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530
mlxsw_emad_rx_listener_func+0x969/0xac0 drivers/net/ethernet/mellanox/mlxsw/core.c:671
mlxsw_core_skb_receive+0x571/0x700 drivers/net/ethernet/mellanox/mlxsw/core.c:2061
mlxsw_pci_cqe_rdq_handle drivers/net/ethernet/mellanox/mlxsw/pci.c:595 [inline]
mlxsw_pci_cq_tasklet+0x12a6/0x2520 drivers/net/ethernet/mellanox/mlxsw/pci.c:651
tasklet_action_common.isra.0+0x13f/0x3e0 kernel/softirq.c:550
__do_softirq+0x223/0x964 kernel/softirq.c:292
asm_call_on_stack+0x12/0x20 arch/x86/entry/entry_64.S:711
</IRQ>
__run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
do_softirq_own_stack+0x109/0x140 arch/x86/kernel/irq_64.c:77
invoke_softirq kernel/softirq.c:387 [inline]
__irq_exit_rcu kernel/softirq.c:417 [inline]
irq_exit_rcu+0x16f/0x1a0 kernel/softirq.c:429
sysvec_apic_timer_interrupt+0x4e/0xd0 arch/x86/kernel/apic/apic.c:1091
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:587
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x3b/0x40 kernel/locking/spinlock.c:191
Code: e8 2a c3 f4 fc 48 89 ef e8 12 96 f5 fc f6 c7 02 75 11 53 9d e8 d6 db 11 fd 65 ff 0d 1f 21 b3 56 5b 5d c3 e8 a7 d7 11 fd 53 9d <eb> ed 0f 1f 00 55 48 89 fd 65 ff 05 05 21 b3 56 ff 74 24 08 48 8d
RSP: 0018:ffff8880446ffd80 EFLAGS: 00000286
RAX: 0000000000000006 RBX: 0000000000000286 RCX: 0000000000000006
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa94ecea9
RBP: ffff888012934408 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: fffffbfff57be301 R12: 1ffff110088dffc1
R13: ffff888037b817c0 R14: ffff88802442415a R15: ffff888024424000
__do_sys_perf_event_open+0x1b5d/0x2bd0 kernel/events/core.c:11874
do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:384
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x473dbd
Code: Bad RIP value.
RSP: 002b:00007f21e5e9cc28 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 000000000057bf00 RCX: 0000000000473dbd
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 000000000057bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 000000000057bf0c
R13: 00007ffd0493503f R14: 00000000004d0f46 R15: 00007f21e5e9cd80
Allocated by task 871:
save_stack+0x1b/0x40 mm/kasan/common.c:48
set_track mm/kasan/common.c:56 [inline]
__kasan_kmalloc mm/kasan/common.c:494 [inline]
__kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:467
kmalloc include/linux/slab.h:555 [inline]
kzalloc include/linux/slab.h:669 [inline]
mlxsw_core_reg_access_emad+0x70/0x1410 drivers/net/ethernet/mellanox/mlxsw/core.c:1812
mlxsw_core_reg_access+0xeb/0x540 drivers/net/ethernet/mellanox/mlxsw/core.c:1991
mlxsw_sp_port_get_hw_xstats+0x335/0x7e0 drivers/net/ethernet/mellanox/mlxsw/spectrum.c:1130
update_stats_cache+0xf4/0x140 drivers/net/ethernet/mellanox/mlxsw/spectrum.c:1173
process_one_work+0xa3e/0x17a0 kernel/workqueue.c:2269
worker_thread+0x9e/0x1050 kernel/workqueue.c:2415
kthread+0x355/0x470 kernel/kthread.c:291
ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:293
Freed by task 871:
save_stack+0x1b/0x40 mm/kasan/common.c:48
set_track mm/kasan/common.c:56 [inline]
kasan_set_free_info mm/kasan/common.c:316 [inline]
__kasan_slab_free+0x12c/0x170 mm/kasan/common.c:455
slab_free_hook mm/slub.c:1474 [inline]
slab_free_freelist_hook mm/slub.c:1507 [inline]
slab_free mm/slub.c:3072 [inline]
kfree+0xe6/0x320 mm/slub.c:4052
mlxsw_core_reg_access_emad+0xd45/0x1410 drivers/net/ethernet/mellanox/mlxsw/core.c:1819
mlxsw_core_reg_access+0xeb/0x540 drivers/net/ethernet/mellanox/mlxsw/core.c:1991
mlxsw_sp_port_get_hw_xstats+0x335/0x7e0 drivers/net/ethernet/mellanox/mlxsw/spectrum.c:1130
update_stats_cache+0xf4/0x140 drivers/net/ethernet/mellanox/mlxsw/spectrum.c:1173
process_one_work+0xa3e/0x17a0 kernel/workqueue.c:2269
worker_thread+0x9e/0x1050 kernel/workqueue.c:2415
kthread+0x355/0x470 kernel/kthread.c:291
ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:293
The buggy address belongs to the object at ffff88800b796400
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 232 bytes inside of
512-byte region [ffff88800b796400, ffff88800b796600)
The buggy address belongs to the page:
page:ffffea00002de500 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 head:ffffea00002de500 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x100000000010200(slab|head)
raw: 0100000000010200 dead000000000100 dead000000000122 ffff88806c402500
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88800b796380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88800b796400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88800b796480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88800b796500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88800b796580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
Fixes: caf7297e7ab5 ("mlxsw: core: Introduce support for asynchronous EMAD register access")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The lifetime of the Rx listener item ('rxl_item') is managed using RCU,
but is dereferenced outside of RCU read-side critical section, which can
lead to a use-after-free.
Fix this by increasing the scope of the RCU read-side critical section.
Fixes: 93c1edb27f9e ("mlxsw: Introduce Mellanox switch driver core")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Cited commit mistakenly removed the trap group for externally routed
packets (e.g., via the management interface) and grouped locally routed
and externally routed packet traps under the same group, thereby
subjecting them to the same policer.
This can result in problems, for example, when FRR is restarted and
suddenly all transient traffic is trapped to the CPU because of a
default route through the management interface. Locally routed packets
required to re-establish a BGP connection will never reach the CPU and
the routing tables will not be re-populated.
Fix this by using a different trap group for externally routed packets.
Fixes: 8110668ecd9a ("mlxsw: spectrum_trap: Register layer 3 control traps")
Reported-by: Alex Veber <alexve@mellanox.com>
Tested-by: Alex Veber <alexve@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Cited commit added the ability to program link-local prefix routes to
the ASIC so that relevant packets are routed and trapped correctly.
However, host routes were not included in the change and thus not
programmed to the ASIC. This can result in packets being trapped via an
external route trap instead of a local route trap as in IPv4.
Fix this by programming all the link-local routes to the ASIC.
Fixes: 10d3757fcb07 ("mlxsw: spectrum_router: Allow programming link-local prefix routes")
Reported-by: Alex Veber <alexve@mellanox.com>
Tested-by: Alex Veber <alexve@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The commit cited below removed the RCU read-side critical section from
rtnl_fdb_dump() which means that the ndo_fdb_dump() callback is invoked
without RCU protection.
This results in the following warning [1] in the VXLAN driver, which
relied on the callback being invoked from an RCU read-side critical
section.
Fix this by calling rcu_read_lock() in the VXLAN driver, as already done
in the bridge driver.
[1]
WARNING: suspicious RCU usage
5.8.0-rc4-custom-01521-g481007553ce6 #29 Not tainted
-----------------------------
drivers/net/vxlan.c:1379 RCU-list traversed in non-reader section!!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by bridge/166:
#0: ffffffff85a27850 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0xea/0x1090
stack backtrace:
CPU: 1 PID: 166 Comm: bridge Not tainted 5.8.0-rc4-custom-01521-g481007553ce6 #29
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-2.fc32 04/01/2014
Call Trace:
dump_stack+0x100/0x184
lockdep_rcu_suspicious+0x153/0x15d
vxlan_fdb_dump+0x51e/0x6d0
rtnl_fdb_dump+0x4dc/0xad0
netlink_dump+0x540/0x1090
__netlink_dump_start+0x695/0x950
rtnetlink_rcv_msg+0x802/0xbd0
netlink_rcv_skb+0x17a/0x480
rtnetlink_rcv+0x22/0x30
netlink_unicast+0x5ae/0x890
netlink_sendmsg+0x98a/0xf40
__sys_sendto+0x279/0x3b0
__x64_sys_sendto+0xe6/0x1a0
do_syscall_64+0x54/0xa0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fe14fa2ade0
Code: Bad RIP value.
RSP: 002b:00007fff75bb5b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00005614b1ba0020 RCX: 00007fe14fa2ade0
RDX: 000000000000011c RSI: 00007fff75bb5b90 RDI: 0000000000000003
RBP: 00007fff75bb5b90 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00005614b1b89160
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Fixes: 5e6d24358799 ("bridge: netlink dump interface at par with brctl")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The lookaside count is improperly initialized to the size of the
Receive Queue with the additional +1. In the traces below, the
RQ size is 384, so the count was set to 385.
The lookaside count is then rarely refreshed. Note the high and
incorrect count in the trace below:
rvt_get_rwqe: [hfi1_0] wqe ffffc900078e9008 wr_id 55c7206d75a0 qpn c
qpt 2 pid 3018 num_sge 1 head 1 tail 0, count 385
rvt_get_rwqe: (hfi1_rc_rcv+0x4eb/0x1480 [hfi1] <- rvt_get_rwqe) ret=0x1
The head,tail indicate there is only one RWQE posted although the count
says 385 and we correctly return the element 0.
The next call to rvt_get_rwqe with the decremented count:
rvt_get_rwqe: [hfi1_0] wqe ffffc900078e9058 wr_id 0 qpn c
qpt 2 pid 3018 num_sge 0 head 1 tail 1, count 384
rvt_get_rwqe: (hfi1_rc_rcv+0x4eb/0x1480 [hfi1] <- rvt_get_rwqe) ret=0x1
Note that the RQ is empty (head == tail) yet we return the RWQE at tail 1,
which is not valid because of the bogus high count.
Best case, the RWQE has never been posted and the rc logic sees an RWQE
that is too small (all zeros) and puts the QP into an error state.
In the worst case, a server slow at posting receive buffers might fool
rvt_get_rwqe() into fetching an old RWQE and corrupt memory.
Fix by deleting the faulty initialization code and creating an
inline to fetch the posted count and convert all callers to use
new inline.
Fixes: f592ae3c999f ("IB/rdmavt: Fracture single lock used for posting and processing RWQEs")
Link: https://lore.kernel.org/r/20200728183848.22226.29132.stgit@awfm-01.aw.intel.com
Reported-by: Zhaojuan Guo <zguo@redhat.com>
Cc: <stable@vger.kernel.org> # 5.4.x
Reviewed-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Tested-by: Honggang Li <honli@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
|
|
When dumping QPs bound to a counter, raw QPs should be allowed to dump
without the CAP_NET_RAW privilege. This is consistent with what "rdma res
show qp" does.
Fixes: c4ffee7c9bdb ("RDMA/netlink: Implement counter dumpit calback")
Link: https://lore.kernel.org/r/20200727095828.496195-1-leon@kernel.org
Signed-off-by: Mark Zhang <markz@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
|
|
into master
Pull drm fixes from Dave Airlie:
"The nouveau fixes missed the last pull by a few hours, and we had a
few arm driver/panel/bridge fixes come in.
This is possibly a bit more than I'm comfortable sending at this
stage, but I've looked at each patch, the core + nouveau patches fix
regressions, and the arm related ones are all around screens turning
on and working, and are mostly trivial patches, the line count is
mostly in comments.
core:
- fix possible use-after-free
drm_fb_helper:
- regression fix to use memcpy_io on bochs' sparc64
nouveau:
- format modifiers fixes
- HDA regression fix
- turing modesetting race fix
of:
- fix a double free
dbi:
- fix SPI Type 1 transfer
mcde:
- fix screen stability crash
panel:
- panel: fix display noise on auo,kd101n80-45na
- panel: delay HPD checks for boe_nv133fhm_n61
bridge:
- bridge: drop connector check in nwl-dsi bridge
- bridge: set proper bridge type for adv7511"
* tag 'drm-fixes-2020-07-29' of git://anongit.freedesktop.org/drm/drm:
drm: hold gem reference until object is no longer accessed
drm/dbi: Fix SPI Type 1 (9-bit) transfer
drm/drm_fb_helper: fix fbdev with sparc64
drm/mcde: Fix stability issue
drm/bridge: nwl-dsi: Drop DRM_BRIDGE_ATTACH_NO_CONNECTOR check.
drm/panel: Fix auo, kd101n80-45na horizontal noise on edges of panel
drm: panel: simple: Delay HPD checking on boe_nv133fhm_n61 for 15 ms
drm/bridge/adv7511: set the bridge type properly
drm: of: Fix double-free bug
drm/nouveau/fbcon: zero-initialise the mode_cmd2 structure
drm/nouveau/fbcon: fix module unload when fbcon init has failed for some reason
drm/nouveau/kms/tu102: wait for core update to complete when assigning windows
drm/nouveau/kms/gf100: use correct format modifiers
drm/nouveau/disp/gm200-: fix regression from HDA SOR selection changes
|
|
Since default battery_status is POWER_SUPPLY_STATUS_DISCHARGING,
we should change default battery_current to a negative value.
Signed-off-by: LH Lin <lh.lin@mediatek.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
|
|
This modifies the first 32 bits out of the 128 bits of a random CPU's
net_rand_state on interrupt or CPU activity to complicate remote
observations that could lead to guessing the network RNG's internal
state.
Note that depending on some network devices' interrupt rate moderation
or binding, this re-seeding might happen on every packet or even almost
never.
In addition, with NOHZ some CPUs might not even get timer interrupts,
leaving their local state rarely updated, while they are running
networked processes making use of the random state. For this reason, we
also perform this update in update_process_times() in order to at least
update the state when there is user or system activity, since it's the
only case we care about.
Reported-by: Amit Klein <aksecurity@gmail.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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