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Without the bound checks for scpi_pd->name, it could result in the buffer
overflow when copying the SCPI device name from the corresponding device
tree node as the name string is set at maximum size of 30.
Let us fix it by using devm_kasprintf so that the string buffer is
allocated dynamically.
Fixes: 8bec4337ad40 ("firmware: scpi: add device power domain support using genpd")
Reported-by: Pedro Batista <pedbap.g@gmail.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: stable@vger.kernel.org
Cc: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20211209120456.696879-1-sudeep.holla@arm.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Prevent panic with FORTIFY_SOURCE in smp bringup.
* tag 'v5.16-rockchip-socfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: rockchip: Use memcpy_toio instead of memcpy on smp bring-up
Link: https://lore.kernel.org/r/1827929.9bfCS3lLB7@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Stefan Wahren says:
====================
add Vertexcom MSE102x support
This patch series adds support for the Vertexcom MSE102x Homeplug GreenPHY
chips [1]. They can be connected either via RGMII, RMII or SPI to a host CPU.
These patches handles only the last one, with an Ethernet over SPI protocol
driver.
The code has been tested only on Raspberry Pi boards, but should work
on other platforms.
Changes in V3:
- drop IF_PORT_HOMEPLUG again, since it's actually not used
Changes in V2:
- improve lock handling for RX & TX path
- add new patch to introduce IF_PORT_HOMEPLUG as suggested by Andrew Lunn
- address all the comments by Jakub Kicinski, Andrew Lunn, Kernel test robot
[1] - http://www.vertexcom.com/p_homeplug_plc_en.html
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This implements an SPI protocol driver for Vertexcom MSE102x
Homeplug GreenPHY chip.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add devicetree binding for the Vertexcom MSE102x Homeplug GreenPHY chip
as SPI device.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add vendor prefix for Vertexcom Technologies, Inc [1].
[1] - http://www.vertexcom.com/
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Fixes for some board-level issues (regulators, mmc, poweroff, audio)
* tag 'v5.16-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: fix poweroff on helios64
arm64: dts: rockchip: fix audio-supply for Rock Pi 4
arm64: dts: rockchip: fix rk3399-leez-p710 vcc3v3-lan supply
arm64: dts: rockchip: fix rk3308-roc-cc vcc-sd supply
arm64: dts: rockchip: remove mmc-hs400-enhanced-strobe from rk3399-khadas-edge
Link: https://lore.kernel.org/r/3072346.MIvVl8DfR5@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.16, round 2:
- One fix on imx8m-blk-ctrl driver to get i.MX8MM MIPI reset work
properly
- Fix CSI_DATA07__ESAI_TX0 pad name in i.MX7ULL pin function header
- Remove interconnect property from i.MX8MQ LCDIF device to fix the
regression that LCDIF driver stops probe, because interconnect
provider driver (imx-bus) hasn't been fully working.
- Fix soc-imx driver to register SoC device only on i.MX platform.
* tag 'imx-fixes-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: Register SoC device only on i.MX boards
soc: imx: imx8m-blk-ctrl: Fix imx8mm mipi reset
ARM: dts: imx6ull-pinfunc: Fix CSI_DATA07__ESAI_TX0 pad name
arm64: dts: imx8mq: remove interconnect property from lcdif
Link: https://lore.kernel.org/r/20211211015625.GK4216@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Commit 8633ef82f101 ("drivers/firmware: consolidate EFI framebuffer setup
for all arches") made the Generic System Framebuffers (sysfb) driver able
to be built on non-x86 architectures.
But it left the efifb_setup_from_dmi() function prototype declaration in
the architecture specific headers. This could lead to the following
compiler warning as reported by the kernel test robot:
drivers/firmware/efi/sysfb_efi.c:70:6: warning: no previous prototype for function 'efifb_setup_from_dmi' [-Wmissing-prototypes]
void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
^
drivers/firmware/efi/sysfb_efi.c:70:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
Fixes: 8633ef82f101 ("drivers/firmware: consolidate EFI framebuffer setup for all arches")
Reported-by: kernel test robot <lkp@intel.com>
Cc: <stable@vger.kernel.org> # 5.15.x
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20211126001333.555514-1-javierm@redhat.com
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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mvneta provides mac_an_restart and mac_pcs_get_state methods, so needs
to be marked as a legacy driver. Marek spotted that mvneta had stopped
working in 2500base-X mode - thanks for reporting.
Reported-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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axienet has a PCS, but does not make use of the phylink PCS support.
Mark it was a pre-March 2020 driver.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Static variables do not need to be initialised to 0, because compiler
will initialise all uninitialised statics to 0. Thus, remove the
unneeded initializations.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
firmware: Fixes for v5.16-rc5
This contains a single fix for an incorrect usage of sizeof().
* tag 'tegra-for-5.16-firmware-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
firmware: tegra: Fix error application of sizeof() to pointer
Link: https://lore.kernel.org/r/20211207162115.450554-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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arm/fixes
Asahi SoC DT/binding fixes for 5.16.
Just some minor DT fixups we found after things got merged.
* tag 'asahi-soc-fixes-5.16' of https://github.com/AsahiLinux/linux:
arm64: dts: apple: add #interrupt-cells property to pinctrl nodes
dt-bindings: i2c: apple,i2c: allow multiple compatibles
arm64: dts: apple: change ethernet0 device type to ethernet
Link: https://lore.kernel.org/r/cc9a1a67-3b2d-ae9f-5733-859111eb78c1@marcan.st
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/fixes
SoCFPGA fix for v5.16, part 2
- Fix QSPI dts entry to include "jedec,spi-nor"
* tag 'socfpga_fix_for_v5.16_part_2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
ARM: socfpga: dts: fix qspi node compatible
Link: https://lore.kernel.org/r/20211203181007.3138381-1-dinguyen@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux into arm/fixes
* 'v5.16/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux:
arm64: meson: remove COMMON_CLK
arm64: meson: fix dts for JetHub D1
Link: https://lore.kernel.org/r/ab9f066f-480b-84b2-248e-953f2f2b5f59@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes
AMD-TEE fix IS_ERR() bug
* tag 'amdtee-fix-for-v5.16' of git://git.linaro.org/people/jens.wiklander/linux-tee:
tee: amdtee: fix an IS_ERR() vs NULL bug
Link: https://lore.kernel.org/r/20211130070351.GA2308099@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.16:
- A series from Vladimir Oltean to update SJA1105 switch RGMII delay for
a few boards, so that kernel doesn't warn on the legacy bindings.
- Remove redundant interrupt declaration for gpio-keys on board
ls1088a-ten64, as this causes an IRQ reclaiming error on kernel v5.15
and later.
* tag 'imx-fixes-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: ten64: remove redundant interrupt declaration for gpio-keys
arm64: dts: lx2160abluebox3: update RGMII delays for sja1105 switch
ARM: dts: ls1021a-tsn: update RGMII delays for sja1105 switch
ARM: dts: imx6qp-prtwd3: update RGMII delays for sja1105 switch
Link: https://lore.kernel.org/r/20211126100716.GF4216@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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- Drop CONFIG_MCTP=m (can no longer be modular since commit
78476d315e190533 ("mctp: Add flow extension to skb")),
- Drop CONFIG_BLK_DEV_CRYPTOLOOP=m (removed in commit 47e9624616c80c98
("block: remove support for cryptoloop and the xor transfer")).
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20211115104956.2084032-1-geert@linux-m68k.org
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QSPI0 comunicates with a MX66LM1G45G SPI NOR flash.
Enable the controller and describe the flash.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20211209123643.341892-2-tudor.ambarus@microchip.com
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sama7g5 embedds 2 instances of QSPI controller:
1/ OSPI0 Supporting Up to 200 MHz DDR. Octal, TwinQuad, Hyperflash
and OctaFlash Protocols Supported.
2/ QSPI1 Supporting Up to 90 MHz DDR/133 MHz SDR.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20211209123643.341892-1-tudor.ambarus@microchip.com
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Naming clocks is a good practice. The atmel-quadspi driver supports
an unnamed clock for the peripheral clock in order to be backward
compatible with old DTs, but it is recommended to name the clocks
on new DTs. The driver's bindings file requires the clock-names
property, so name the clock.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20211209102542.254153-1-tudor.ambarus@microchip.com
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Fixes
vmlinux.o: warning: objtool: do_machine_check()+0x4ae: call to __const_udelay() leaves .noinstr.text section
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-13-bp@alien8.de
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Fixes
vmlinux.o: warning: objtool: do_machine_check()+0x482: call to mce_timed_out() leaves .noinstr.text section
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-12-bp@alien8.de
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arm/fixes
Reset controller fixes for v5.16
Well, just one: revert commit c045ceb5a145 ("reset: tegra-bpmp: Handle
errors in BPMP response"), which exposed an issue with the Tegra194 HDA
controller reset. BPMP response error handling will be reinstated once
there's a fix for the HDA issue.
* tag 'reset-fixes-for-v5.16' of git://git.pengutronix.de/pza/linux:
reset: tegra-bpmp: Revert Handle errors in BPMP response
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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add_taint() is yet another external facility which the #MC handler
calls. Move that tainting call into the instrumentation-allowed part of
the handler.
Fixes
vmlinux.o: warning: objtool: do_machine_check()+0x617: call to add_taint() leaves .noinstr.text section
While at it, allow instrumentation around the mce_log() call.
Fixes
vmlinux.o: warning: objtool: do_machine_check()+0x690: call to mce_log() leaves .noinstr.text section
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-11-bp@alien8.de
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Fixes
vmlinux.o: warning: objtool: do_machine_check()+0x681: call to mce_read_aux() leaves .noinstr.text section
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-10-bp@alien8.de
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It is called by the #MC handler which is noinstr.
Fixes
vmlinux.o: warning: objtool: do_machine_check()+0xbd6: call to memset() leaves .noinstr.text section
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-9-bp@alien8.de
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And allow instrumentation inside it because it does calls to other
facilities which will not be tagged noinstr.
Fixes
vmlinux.o: warning: objtool: do_machine_check()+0xc73: call to mce_panic() leaves .noinstr.text section
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-8-bp@alien8.de
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Mark all the MCE severity computation logic noinstr and allow
instrumentation when it "calls out".
Fixes
vmlinux.o: warning: objtool: do_machine_check()+0xc5d: call to mce_severity() leaves .noinstr.text section
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-7-bp@alien8.de
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Fixes
vmlinux.o: warning: objtool: do_machine_check()+0xdb1: call to queue_task_work() leaves .noinstr.text section
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-6-bp@alien8.de
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Instead, sandwitch around the call which is done in noinstr context and
mark the caller - mce_gather_info() - as noinstr.
Also, document what the whole instrumentation strategy with #MC is going
to be in the future and where it all is supposed to be going to.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-5-bp@alien8.de
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MCA has its own special MSR accessors. Use them.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-4-bp@alien8.de
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Use num_online_cpus() directly.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-3-bp@alien8.de
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The bitmap is a single unsigned long so no need for the function call.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-2-bp@alien8.de
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In commit 41ca9caaae0b
("drm/mediatek: hdmi: Add check for CEA modes only") a check
for CEA modes was added to function mtk_hdmi_bridge_mode_valid()
in order to address possible issues on MT8167;
moreover, with commit c91026a938c2
("drm/mediatek: hdmi: Add optional limit on maximal HDMI mode clock")
another similar check was introduced.
Unfortunately though, at the time of writing, MT8173 does not provide
any mtk_hdmi_conf structure and this is crashing the kernel with NULL
pointer upon entering mtk_hdmi_bridge_mode_valid(), which happens as
soon as a HDMI cable gets plugged in.
To fix this regression, add a NULL pointer check for hdmi->conf in the
said function, restoring HDMI functionality and avoiding NULL pointer
kernel panics.
Fixes: 41ca9caaae0b ("drm/mediatek: hdmi: Add check for CEA modes only")
Fixes: c91026a938c2 ("drm/mediatek: hdmi: Add optional limit on maximal HDMI mode clock")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
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Collect the dipslay related mask under the display sub-structure
in intel_device_info.
Note that there is a slight change in behaviour in that we zero
out .display entirely when !HAS_DISPLAY (aka. pipe_mask==0), so
now we also zero out the other masks (although cpu_transocder_mask
should already be zero of pipe_mask is zero). abox_mask is
only used by the display core init when HAS_DISPLAY is true, so
the actual behaviour of the system shouldn't change despite the
zeroing of these masks.
There is a lot more display stuff directly in device info that
could be moved over. Maybe someone else will be inspired to do it...
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211210122726.12577-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Update the definition of the IPA interconnects for IPA v4.5 so
the path between IPA and system memory is represented by a single
"memory" interconnect.
Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The first two interconnects defined for IPA on the SDX55 SoC are
really two parts of what should be represented as a single path
between IPA and system memory.
Fix this by combining the "memory-a" and "memory-b" interconnects
into a single "memory" interconnect.
Reported-by: David Heidelberg <david@ixit.cz>
Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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namespaces
This patch enables the "/proc/sys/net/unix/max_dgram_qlen" sysctl to be
exposed to non-init user namespaces. max_dgram_qlen is used as the default
"sk_max_ack_backlog" value for when a unix socket is created.
Currently, when a networking namespace is initialized, its unix sysctls
are exposed only if the user namespace that "owns" it is the init user
namespace. If there is an non-init user namespace that "owns" a networking
namespace (for example, in the case after we call clone() with both
CLONE_NEWUSER and CLONE_NEWNET set), the sysctls are hidden from view
and not configurable.
Exposing the unix sysctl is safe because any changes made to it will be
limited in scope to the networking namespace the non-init user namespace
"owns" and has privileges over (changes won't affect any other net
namespace). There is also no possibility of a non-privileged user namespace
messing up the net namespace sysctls it shares with its parent user namespace.
When a new user namespace is created without unsharing the network namespace
(eg calling clone() with CLONE_NEWUSER), the new user namespace shares its
parent's network namespace. Write access is protected by the mode set
in the sysctl's ctl_table (and enforced by procfs). Here in the case of
"max_dgram_qlen", 0644 is set; only the user owner has write access.
v1 -> v2:
* Add more detail to commit message, specify the
"/proc/sys/net/unix/max_dgram_qlen" sysctl in commit message.
Signed-off-by: Joanne Koong <joannekoong@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On PREEMPT_RT the seqcount_t for synchronisation is required on 32bit
architectures even on UP because the softirq (and the threaded IRQ handler) can
be preempted.
With the seqcount_t for synchronisation, a reader with higher priority can
preempt the writer and then spin endlessly in read_seqcount_begin() while the
writer can't make progress.
To avoid such a lock up on PREEMPT_RT the writer must disable preemption during
the update. There is no need to disable interrupts because no writer is using
this API in hard-IRQ context on PREEMPT_RT.
Disable preemption on 32bit-RT within the u64_stats write section.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Guillaume Nault says:
====================
bareudp: Remove unused code from header file
Stop exporting unused functions and structures in bareudp.h. The only
piece of bareudp.h that is actually used is netif_is_bareudp(). The
rest can be moved to bareudp.c or even dropped entirely.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This structure is used only in bareudp.c.
While there, adjust include files: we need netdevice.h, not skbuff.h.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There's no user for this function.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When key_exchange is disabled, there is no reason to accept MSG_CRYPTO
msgs if it doesn't send MSG_CRYPTO msgs.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Shuang reported that the following script:
1) tc qdisc add dev ddd0 handle 10: parent 1: ets bands 8 strict 4 priomap 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
2) mausezahn ddd0 -A 10.10.10.1 -B 10.10.10.2 -c 0 -a own -b 00:c1:a0:c1:a0:00 -t udp &
3) tc qdisc change dev ddd0 handle 10: ets bands 4 strict 2 quanta 2500 2500 priomap 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
crashes systematically when line 2) is commented:
list_del corruption, ffff8e028404bd30->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:47!
invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 0 PID: 954 Comm: tc Not tainted 5.16.0-rc4+ #478
Hardware name: Red Hat KVM, BIOS 1.11.1-4.module+el8.1.0+4066+0f1aadab 04/01/2014
RIP: 0010:__list_del_entry_valid.cold.1+0x12/0x47
Code: fe ff 0f 0b 48 89 c1 4c 89 c6 48 c7 c7 08 42 1b 87 e8 1d c5 fe ff 0f 0b 48 89 fe 48 89 c2 48 c7 c7 98 42 1b 87 e8 09 c5 fe ff <0f> 0b 48 c7 c7 48 43 1b 87 e8 fb c4 fe ff 0f 0b 48 89 f2 48 89 fe
RSP: 0018:ffffae46807a3888 EFLAGS: 00010246
RAX: 000000000000004e RBX: 0000000000000007 RCX: 0000000000000202
RDX: 0000000000000000 RSI: ffffffff871ac536 RDI: 00000000ffffffff
RBP: ffffae46807a3a10 R08: 0000000000000000 R09: c0000000ffff7fff
R10: 0000000000000001 R11: ffffae46807a36a8 R12: ffff8e028404b800
R13: ffff8e028404bd30 R14: dead000000000100 R15: ffff8e02fafa2400
FS: 00007efdc92e4480(0000) GS:ffff8e02fb600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000682f48 CR3: 00000001058be000 CR4: 0000000000350ef0
Call Trace:
<TASK>
ets_qdisc_change+0x58b/0xa70 [sch_ets]
tc_modify_qdisc+0x323/0x880
rtnetlink_rcv_msg+0x169/0x4a0
netlink_rcv_skb+0x50/0x100
netlink_unicast+0x1a5/0x280
netlink_sendmsg+0x257/0x4d0
sock_sendmsg+0x5b/0x60
____sys_sendmsg+0x1f2/0x260
___sys_sendmsg+0x7c/0xc0
__sys_sendmsg+0x57/0xa0
do_syscall_64+0x3a/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7efdc8031338
Code: 89 02 48 c7 c0 ff ff ff ff eb b5 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 25 43 2c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 41 89 d4 55
RSP: 002b:00007ffdf1ce9828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000061b37a97 RCX: 00007efdc8031338
RDX: 0000000000000000 RSI: 00007ffdf1ce9890 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000000078a940
R10: 000000000000000c R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000688880 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in: sch_ets sch_tbf dummy rfkill iTCO_wdt iTCO_vendor_support intel_rapl_msr intel_rapl_common joydev pcspkr i2c_i801 virtio_balloon i2c_smbus lpc_ich ip_tables xfs libcrc32c crct10dif_pclmul crc32_pclmul crc32c_intel serio_raw ghash_clmulni_intel ahci libahci libata virtio_blk virtio_console virtio_net net_failover failover sunrpc dm_mirror dm_region_hash dm_log dm_mod [last unloaded: sch_ets]
---[ end trace f35878d1912655c2 ]---
RIP: 0010:__list_del_entry_valid.cold.1+0x12/0x47
Code: fe ff 0f 0b 48 89 c1 4c 89 c6 48 c7 c7 08 42 1b 87 e8 1d c5 fe ff 0f 0b 48 89 fe 48 89 c2 48 c7 c7 98 42 1b 87 e8 09 c5 fe ff <0f> 0b 48 c7 c7 48 43 1b 87 e8 fb c4 fe ff 0f 0b 48 89 f2 48 89 fe
RSP: 0018:ffffae46807a3888 EFLAGS: 00010246
RAX: 000000000000004e RBX: 0000000000000007 RCX: 0000000000000202
RDX: 0000000000000000 RSI: ffffffff871ac536 RDI: 00000000ffffffff
RBP: ffffae46807a3a10 R08: 0000000000000000 R09: c0000000ffff7fff
R10: 0000000000000001 R11: ffffae46807a36a8 R12: ffff8e028404b800
R13: ffff8e028404bd30 R14: dead000000000100 R15: ffff8e02fafa2400
FS: 00007efdc92e4480(0000) GS:ffff8e02fb600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000682f48 CR3: 00000001058be000 CR4: 0000000000350ef0
Kernel panic - not syncing: Fatal exception in interrupt
Kernel Offset: 0x4e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
we can remove 'q->classes[i].alist' only if DRR class 'i' was part of the
active list. In the ETS scheduler DRR classes belong to that list only if
the queue length is greater than zero: we need to test for non-zero value
of 'q->classes[i].qdisc->q.qlen' before removing from the list, similarly
to what has been done elsewhere in the ETS code.
Fixes: de6d25924c2a ("net/sched: sch_ets: don't peek at classes beyond 'nbands'")
Reported-by: Shuang Li <shuali@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In DMA threshold mode, frame underflow errors may sometimes occur when
the TC(threshold control) value is not enough. The TC value need to be
bumped up in this case.
There is no underflow interrupt bit on DMA_CH(#i)_Status of dwmac4, so
the DMA threshold cannot be bumped up in stmmac_dma_interrupt(). The
i.mx8mp board observed an underflow error while running NFS boot, the
NFS rootfs could not be mounted.
The underflow error can be got from the DMA descriptor TDES3 on dwmac4.
This patch bump up tc value once underflow error is got from TDES3.
Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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this helps human readers considerably to determine the line name for a
given offset or vice versa.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
[ nsaenz: corrected patch title ]
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Link: https://lore.kernel.org/r/20211130161147.317653-1-u.kleine-koenig@pengutronix.de
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When updating the error capture code and introducing vma snapshots,
we introduced code to hold the vma in memory while capturing it,
calling i915_active_acquire_if_busy(). Now that function isn't relevant
for perma-pinned vmas and caused important vmas to be dropped from the
coredump. Like for example the GuC log.
Fix this by instead requiring those vmas to be pinned while capturing.
Tested by running the initial subtests of the gem_exec_capture igt test
with GuC submission enabled and verifying that a GuC log blob appears
in the output.
Fixes: ff20afc4cee7 ("drm/i915: Update error capture code to avoid using the current vma state")
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reported-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211208082245.86933-1-thomas.hellstrom@linux.intel.com
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Samsung DTS ARM64 driver bindings for v5.17
Header with Samsung Exynos USI driver constants used by both DTS and
driver.
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