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SIOX is a bus system invented at Eckelmann AG to control their building
management and refrigeration systems. Traditionally the bus was
implemented on custom microcontrollers, today Linux based machines are
in use, too.
The topology on a SIOX bus looks as follows:
,------->--DCLK-->---------------+----------------------.
^ v v
,--------. ,----------------------. ,------
| | | ,--------------. | |
| |--->--DOUT-->---|->-|shift register|->-|--->---|
| | | `--------------' | |
| master | | device | | device
| | | ,--------------. | |
| |---<--DIN---<---|-<-|shift register|-<-|---<---|
| | | `--------------' | |
`--------' `----------------------' `------
v ^ ^
`----------DLD-------------------+----------------------'
There are two control lines (DCLK and DLD) driven from the bus master to
all devices in parallel and two daisy chained data lines, one for input
and one for output. DCLK is the clock to shift both chains by a single
bit. On an edge of DLD the devices latch both their input and output
shift registers.
This patch adds a framework for this bus type.
Acked-by: Gavin Schenk <g.schenk@eckelmann.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit adds a driver for the Virtual Box Guest PCI device used in
Virtual Box virtual machines. Enabling this driver will add support for
Virtual Box Guest integration features such as copy-and-paste, seamless
mode and OpenGL pass-through.
This driver also offers vboxguest IPC functionality which is needed
for the vboxfs driver which offers folder sharing support.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commits adds a header describing the hardware interface for the
Virtual Box Guest PCI device used in Virtual Box virtual machines and
utility functions for talking to the Virtual Box hypervisor over this
interface.
These utility functions will used both by the vboxguest driver for the
PCI device which offers the /dev/vboxguest ioctl API and by the vboxfs
driver which offers folder sharing support.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit adds the headers describing the ioctl API for the
/dev/vboxguest device used by the Virtual Box Guest Additions
in Virtual Box virtual machines.
The driver providing the /dev/vboxguest device will allow Virtual Box
Guest Additions features such as copy-and-paste, seamless mode and
OpenGL pass-through.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolved all the macros should not use a trailing semicolon
checkpatch warnings. Issue found by checkpatch.
Signed-off-by: Dhaval Shah <dhaval.shah@softnautics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolved the please, no space beofore tabs checkpatch
warning. Issue found by checkpatch.
Signed-off-by: Dhaval Shah <dhaval.shah@softnautics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolved all the Prefer 'unsigned int' to bare use of 'unsigned'
checkpatch warnings. Issue found by checkpatch.
Signed-off-by: Dhaval Shah <dhaval.shah@softnautics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolved all the missing a blank line after declarations checkpatch
warnings. Issue found by checkpatch.
Signed-off-by: Dhaval Shah <dhaval.shah@softnautics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolved open brace { should be on the previous line checkpatch
error. Issue found by checkpatch.
Signed-off-by: Dhaval Shah <dhaval.shah@softnautics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolved all the please, no space beofore tabs checkpatch
warnings. Issue found by checkpatch.
Signed-off-by: Dhaval Shah <dhaval.shah@softnautics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolved all the missing a blank line after declarations checkpatch
warnings. Issue found by checkpatch.
Signed-off-by: Dhaval Shah <dhaval.shah@softnautics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver may sleep under a spinlock.
The function call path is:
tsi148_master_write \ tsi148_master_read (acquire the spinlock)
vme_register_error_handler
kmalloc(GFP_KERNEL) --> may sleep
To fix it, GFP_KERNEL is replaced with GFP_ATOMIC.
This bug is found by my static analysis tool(DSAC) and checked by my code review.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The label 'done' in function vop_ioctl is not used, so remove it. Fixes
build warning:
drivers/misc/mic/vop/vop_vringh.c:1001:1: warning: label 'done' defined but
not used [-Wunused-label]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Certain EEPROMS have a size that is larger than the number of address
bytes would allow, and store the MSB of the address in bit 3 of the
instruction byte.
This can be described in platform data using EE_INSTR_BIT3_IS_ADDR, or
in DT using the obsolete legacy "at25,addr-mode" property.
But currently there exists no non-deprecated way to describe this in DT.
Hence extend the existing "address-width" DT property to allow
specifying 9 address bits, and enable support for that in the driver.
This has been tested with a Microchip 25LC040A.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolved all the Unnecessary space before function pointer arguments
checkpatch warnings. Issue found by checkpatch.
Signed-off-by: Dhaval Shah <dhaval.shah@softnautics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Both list_lru_init() and register_shrinker() might return an error.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Sherry Yang <sherryy@android.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As done for /proc/kcore in
commit df04abfd181a ("fs/proc/kcore.c: Add bounce buffer for ktext data")
this adds a bounce buffer when reading memory via /dev/mem. This
is needed to allow kernel text memory to be read out when built with
CONFIG_HARDENED_USERCOPY (which refuses to read out kernel text) and
without CONFIG_STRICT_DEVMEM (which would have refused to read any RAM
contents at all).
Since this build configuration isn't common (most systems with
CONFIG_HARDENED_USERCOPY also have CONFIG_STRICT_DEVMEM), this also tries
to inform Kconfig about the recommended settings.
This patch is modified from Brad Spengler/PaX Team's changes to /dev/mem
code in the last public patch of grsecurity/PaX based on my understanding
of the code. Changes or omissions from the original code are mine and
don't reflect the original grsecurity/PaX code.
Reported-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Fixes: f5509cc18daa ("mm: Hardened usercopy")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If fpga_mgr_register() fails, a clock is left undisabled.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Alan Tull <atull@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When mei driver is powering down due to suspend or shutdown
it will iterate over the mei client bus and disconnect
each client device attached in turn.
The power down flow consist of the link rest, which causes all clients
get disconnected at once, hence the individual disconnection
can be omitted and significantly reduce power down flow.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want the fixes and changes in here for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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HPFS does not set SB_I_VERSION and does not use the i_version counter
internally.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Mikulas Patocka <mikulas@twibright.com>
Reviewed-by: Mikulas Patocka <mikulas@twibright.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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sign_extend32 counts the sign bit parameter from 0, not from 1. So we
have to use "11" for 12th bit, not "12".
This mistake means we have not allowed negative op and cmp args since
commit 30d6e0a4190d ("futex: Remove duplicated code and fix undefined
behaviour") till now.
Fixes: 30d6e0a4190d ("futex: Remove duplicated code and fix undefined behaviour")
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Darren Hart <dvhart@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"This contains a few fixes (error handling, quota leak, FUA vs
nobarrier mount option).
There's one one worth mentioning separately - an off-by-one fix that
leads to overwriting first byte of an adjacent page with 0, out of
bounds of the memory allocated by an ioctl. This is under a privileged
part of the ioctl, can be triggerd in some subvolume layouts"
* tag 'for-4.15-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: Fix possible off-by-one in btrfs_search_path_in_tree
Btrfs: disable FUA if mounted with nobarrier
btrfs: fix missing error return in btrfs_drop_snapshot
btrfs: handle errors while updating refcounts in update_ref_for_cow
btrfs: Fix quota reservation leak on preallocated files
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
- A revert of all SCPI changes from the 4.15 merge window. They had
regressions on the Amlogic platforms, and the submaintainer isn't
around to fix these bugs due to vacation, etc. So we agreed to revert
and revisit in next release cycle.
- A series fixing a number of bugs for ARM CCN interconnect, around
module unload, smp_processor_id() in preemptable context, and fixing
some memory allocation failure checks.
- A handful of devicetree fixes for different platforms, fixing
warnings and errors that were previously ignored by the compiler.
- The usual set of mostly minor fixes for different platforms.
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
ARM64: dts: meson-gx: fix UART pclk clock name
ARM: omap2: hide omap3_save_secure_ram on non-OMAP3 builds
arm: dts: nspire: Add missing #phy-cells to usb-nop-xceiv
ARM: dts: Fix dm814x missing phy-cells property
ARM: dts: Fix elm interrupt compiler warning
bus: arm-ccn: fix module unloading Error: Removing state 147 which has instances left.
bus: arm-cci: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Simplify code
bus: arm-ccn: Check memory allocation failure
bus: arm-ccn: constify attribute_group structures.
firmware: arm_scpi: Revert updates made during v4.15 merge window
arm: dts: marvell: Add missing #phy-cells to usb-nop-xceiv
arm64: dts: sort vendor subdirectories in Makefile alphabetically
meson-gx-socinfo: Fix package id parsing
ARM: meson: fix spelling mistake: "Couln't" -> "Couldn't"
ARM: dts: meson: fix the memory region of the GPIO interrupt controller
ARM: dts: meson: correct the sort order for the the gpio_intc node
MAINTAINERS: exclude other Socionext SoC DT files from ARM/UNIPHIER entry
arm64: dts: uniphier: remove unnecessary interrupt-parent
...
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Pull KVM fixes from Radim Krčmář:
"ARM:
- A number of issues in the vgic discovered using SMATCH
- A bit one-off calculation in out stage base address mask (32-bit
and 64-bit)
- Fixes to single-step debugging instructions that trap for other
reasons such as MMMIO aborts
- Printing unavailable hyp mode as error
- Potential spinlock deadlock in the vgic
- Avoid calling vgic vcpu free more than once
- Broken bit calculation for big endian systems
s390:
- SPDX tags
- Fence storage key accesses from problem state
- Make sure that irq_state.flags is not used in the future
x86:
- Intercept port 0x80 accesses to prevent host instability (CVE)
- Use userspace FPU context for guest FPU (mainly an optimization
that fixes a double use of kernel FPU)
- Do not leak one page per module load
- Flush APIC page address cache from MMU invalidation notifiers"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (28 commits)
KVM: x86: fix APIC page invalidation
KVM: s390: Fix skey emulation permission check
KVM: s390: mark irq_state.flags as non-usable
KVM: s390: Remove redundant license text
KVM: s390: add SPDX identifiers to the remaining files
KVM: VMX: fix page leak in hardware_setup()
KVM: VMX: remove I/O port 0x80 bypass on Intel hosts
x86,kvm: remove KVM emulator get_fpu / put_fpu
x86,kvm: move qemu/guest FPU switching out to vcpu_run
KVM: arm/arm64: Fix broken GICH_ELRSR big endian conversion
KVM: arm/arm64: kvm_arch_destroy_vm cleanups
KVM: arm/arm64: Fix spinlock acquisition in vgic_set_owner
kvm: arm: don't treat unavailable HYP mode as an error
KVM: arm/arm64: Avoid attempting to load timer vgic state without a vgic
kvm: arm64: handle single-step of hyp emulated mmio instructions
kvm: arm64: handle single-step during SError exceptions
kvm: arm64: handle single-step of userspace mmio instructions
kvm: arm64: handle single-stepping trapped instructions
KVM: arm/arm64: debug: Introduce helper for single-step
arm: KVM: Fix VTTBR_BADDR_MASK BUG_ON off-by-one
...
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* fixes:
ARM64: dts: meson-gx: fix UART pclk clock name
ARM: dts: Fix dm814x missing phy-cells property
ARM: dts: Fix elm interrupt compiler warning
bus: arm-ccn: fix module unloading Error: Removing state 147 which has instances left.
bus: arm-cci: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Simplify code
bus: arm-ccn: Check memory allocation failure
bus: arm-ccn: constify attribute_group structures.
meson-gx-socinfo: Fix package id parsing
ARM: meson: fix spelling mistake: "Couln't" -> "Couldn't"
ARM: dts: meson: fix the memory region of the GPIO interrupt controller
ARM: dts: meson: correct the sort order for the the gpio_intc node
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into fixes
Amlogic fixes for v4.15-rc
- GPIO interrupt fixes
- socinfo fix for GX series
- fix typo
* tag 'amlogic-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
ARM64: dts: meson-gx: fix UART pclk clock name
meson-gx-socinfo: Fix package id parsing
ARM: meson: fix spelling mistake: "Couln't" -> "Couldn't"
ARM: dts: meson: fix the memory region of the GPIO interrupt controller
ARM: dts: meson: correct the sort order for the the gpio_intc node
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.linaro.org/people/pawel.moll/linux into fixes
bus: ARM CCN and CCI PMU driver fixes
This is a bunch of fixes CCN and (guest starring this time) CCI drivers.
* Check for potential of failed allocation for the driver name string
* Manage CPU ID properly at allocation (both CCN and CCI)
* Fix module unload warnings related to objects release order
* Small improvements like using allocating printfs and proper
attributes constification
The one fixing potential issues have been cc-ed to stable.
* tag 'ccn/fixes-for-4.15' of git://git.linaro.org/people/pawel.moll/linux:
bus: arm-ccn: fix module unloading Error: Removing state 147 which has instances left.
bus: arm-cci: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Simplify code
bus: arm-ccn: Check memory allocation failure
bus: arm-ccn: constify attribute_group structures.
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Two fixes for dts compiler warnings
These recently started showing up with better dtc checks being
introduced.
* tag 'omap-for-v4.15/fixes-dt-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix dm814x missing phy-cells property
ARM: dts: Fix elm interrupt compiler warning
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into keys-for-linus
Assorted fixes for keyrings, ASN.1, X.509 and PKCS#7.
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Commit 4675ff05de2d ("kmemcheck: rip it out") has removed the code but
for some reason SPDX header stayed in place. This looks like a rebase
mistake in the mmotm tree or the merge mistake. Let's drop those
leftovers as well.
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking fixes from David Miller:
1) CAN fixes from Martin Kelly (cancel URBs properly in all the CAN usb
drivers).
2) Revert returning -EEXIST from __dev_alloc_name() as this propagates
to userspace and broke some apps. From Johannes Berg.
3) Fix conn memory leaks and crashes in TIPC, from Jon Malloc and Cong
Wang.
4) Gianfar MAC can't do EEE so don't advertise it by default, from
Claudiu Manoil.
5) Relax strict netlink attribute validation, but emit a warning. From
David Ahern.
6) Fix regression in checksum offload of thunderx driver, from Florian
Westphal.
7) Fix UAPI bpf issues on s390, from Hendrik Brueckner.
8) New card support in iwlwifi, from Ihab Zhaika.
9) BBR congestion control bug fixes from Neal Cardwell.
10) Fix port stats in nfp driver, from Pieter Jansen van Vuuren.
11) Fix leaks in qualcomm rmnet, from Subash Abhinov Kasiviswanathan.
12) Fix DMA API handling in sh_eth driver, from Thomas Petazzoni.
13) Fix spurious netpoll warnings in bnxt_en, from Calvin Owens.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (67 commits)
net: mvpp2: fix the RSS table entry offset
tcp: evaluate packet losses upon RTT change
tcp: fix off-by-one bug in RACK
tcp: always evaluate losses in RACK upon undo
tcp: correctly test congestion state in RACK
bnxt_en: Fix sources of spurious netpoll warnings
tcp_bbr: reset long-term bandwidth sampling on loss recovery undo
tcp_bbr: reset full pipe detection on loss recovery undo
tcp_bbr: record "full bw reached" decision in new full_bw_reached bit
sfc: pass valid pointers from efx_enqueue_unwind
gianfar: Disable EEE autoneg by default
tcp: invalidate rate samples during SACK reneging
can: peak/pcie_fd: fix potential bug in restarting tx queue
can: usb_8dev: cancel urb on -EPIPE and -EPROTO
can: kvaser_usb: cancel urb on -EPIPE and -EPROTO
can: esd_usb2: cancel urb on -EPIPE and -EPROTO
can: ems_usb: cancel urb on -EPIPE and -EPROTO
can: mcba_usb: cancel urb on -EPROTO
usbnet: fix alignment for frames with no ethernet header
tcp: use current time in tcp_rcv_space_adjust()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"A series of fixes for the media subsytem:
- The largest amount of fixes in this series is with regards to
comments that aren't kernel-doc, but start with "/**".
A new check added for 4.15 makes it to produce a *huge* amount of
new warnings (I'm compiling here with W=1). Most of the patches in
this series fix those.
No code changes - just comment changes at the source files
- rc: some fixed in order to better handle RC repetition codes
- v4l-async: use the v4l2_dev from the root notifier when matching
sub-devices
- v4l2-fwnode: Check subdev count after checking port
- ov 13858 and et8ek8: compilation fix with randconfigs
- usbtv: a trivial new USB ID addition
- dibusb-common: don't do DMA on stack on firmware load
- imx274: Fix error handling, add MAINTAINERS entry
- sir_ir: detect presence of port"
* tag 'media/v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (50 commits)
media: imx274: Fix error handling, add MAINTAINERS entry
media: v4l: async: use the v4l2_dev from the root notifier when matching sub-devices
media: v4l2-fwnode: Check subdev count after checking port
media: et8ek8: select V4L2_FWNODE
media: ov13858: Select V4L2_FWNODE
media: rc: partial revert of "media: rc: per-protocol repeat period"
media: dvb: i2c transfers over usb cannot be done from stack
media: dvb-frontends: complete kernel-doc markups
media: docs: add documentation for frontend attach info
media: dvb_frontends: fix kernel-doc macros
media: drivers: remove "/**" from non-kernel-doc comments
media: lm3560: add a missing kernel-doc parameter
media: rcar_jpu: fix two kernel-doc markups
media: vsp1: add a missing kernel-doc parameter
media: soc_camera: fix a kernel-doc markup
media: mt2063: fix some kernel-doc warnings
media: radio-wl1273: fix a parameter name at kernel-doc macro
media: s3c-camif: add missing description at s3c_camif_find_format()
media: mtk-vpu: add description for wdt fields at struct mtk_vpu
media: vdec: fix some kernel-doc warnings
...
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"This pull is a bit larger than I'd like but a large bunch of it is
license fixes, AMD wanted to fix the licenses for a bunch of files
that were missing them,
Otherwise a bunch of TTM regression fix since the hugepage support,
some i915 and gvt fixes, a core connector free in a safe context fix,
and one bridge fix"
* tag 'drm-fixes-for-v4.15-rc3' of git://people.freedesktop.org/~airlied/linux: (26 commits)
drm/bridge: analogix dp: Fix runtime PM state in get_modes() callback
Revert "drm/i915: Display WA #1133 WaFbcSkipSegments:cnl, glk"
drm/vc4: Fix false positive WARN() backtrace on refcount_inc() usage
drm/i915: Call i915_gem_init_userptr() before taking struct_mutex
drm/exynos: remove unnecessary function declaration
drm/exynos: remove unnecessary descrptions
drm/exynos: gem: Drop NONCONTIG flag for buffers allocated without IOMMU
drm/exynos: Fix dma-buf import
drm/ttm: swap consecutive allocated pooled pages v4
drm: safely free connectors from connector_iter
drm/i915/gvt: set max priority for gvt context
drm/i915/gvt: Don't mark vgpu context as inactive when preempted
drm/i915/gvt: Limit read hw reg to active vgpu
drm/i915/gvt: Export intel_gvt_render_mmio_to_ring_id()
drm/i915/gvt: Emulate PCI expansion ROM base address register
drm/ttm: swap consecutive allocated cached pages v3
drm/ttm: roundup the shrink request to prevent skip huge pool
drm/ttm: add page order support in ttm_pages_put
drm/ttm: add set_pages_wb for handling page order more than zero
drm/ttm: add page order in page pool
...
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Pull md fixes from Shaohua Li:
"Some MD fixes.
The notable one is a raid5-cache deadlock bug with dm-raid, others are
not significant"
* tag 'md/4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md/raid1/10: add missed blk plug
md: limit mdstat resync progress to max_sectors
md/r5cache: move mddev_lock() out of r5c_journal_mode_set()
md/raid5: correct degraded calculation in raid5_error
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
"Another set of DT fixes:
- Fixes from overlay code rework. A trifecta of fixes to the locking,
an out of bounds access, and a memory leak in of_overlay_apply()
- Clean-up at25 eeprom binding document
- Remove leading '0x' in unit-addresses from binding docs"
* tag 'devicetree-fixes-for-4.15-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: overlay: Make node skipping in init_overlay_changeset() clearer
of: overlay: Fix out-of-bounds write in init_overlay_changeset()
of: overlay: Fix (un)locking in of_overlay_apply()
of: overlay: Fix memory leak in of_overlay_apply() error path
dt-bindings: eeprom: at25: Document device-specific compatible values
dt-bindings: eeprom: at25: Grammar s/are can/can/
dt-bindings: Remove leading 0x from bindings notation
of: overlay: Remove else after goto
of: Spelling s/changset/changeset/
of: unittest: Remove bogus overlay mutex release from overlay_data_add()
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Pull virtio bugfixes from Michael Tsirkin:
"A couple of minor bugfixes"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_net: fix return value check in receive_mergeable()
virtio_mmio: add cleanup for virtio_mmio_remove
virtio_mmio: add cleanup for virtio_mmio_probe
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Just two small fixes for the new pvcalls frontend driver"
* tag 'for-linus-4.15-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/pvcalls: Fix a check in pvcalls_front_remove()
xen/pvcalls: check for xenbus_read() errors
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"One notable fix for kexec on Power9, where we were not clearing MMU
PID properly which sometimes leads to hangs. Finally debugged to a
root cause by Nick.
A revert of a patch which tried to rework our panic handling to get
more output on the console, but inadvertently broke reporting the
panic to the hypervisor, which apparently people care about.
Then a fix for an oops in the PMU code, and finally some s/%p/%px/ in
xmon.
Thanks to: David Gibson, Nicholas Piggin, Ravi Bangoria"
* tag 'powerpc-4.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/xmon: Don't print hashed pointers in xmon
powerpc/64s: Initialize ISAv3 MMU registers before setting partition table
Revert "powerpc: Do not call ppc_md.panic in fadump panic notifier"
powerpc/perf: Fix oops when grouping different pmu events
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2017-12-08
this is a pull request of 6 patches for net/master.
Martin Kelly provides 5 patches for various USB based CAN drivers, that
properly cancel the URBs on adapter unplug, so that the driver doesn't
end up in an endless loop. Stephane Grosjean provides a patch to restart
the tx queue if zero length packages are transmitted.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.15
Second set of fixes for 4.15. This time a lot of iwlwifi patches and
two brcmfmac patches. Most important here are the MIC and IVC fixes
for iwlwifi to unbreak 9000 series.
iwlwifi
* fix rate-scaling to not start lowest possible rate
* fix the TX queue hang detection for AP/GO modes
* fix the TX queue hang timeout in monitor interfaces
* fix packet injection
* remove a wrong error message when dumping PCI registers
* fix race condition with RF-kill
* tell mac80211 when the MIC has been stripped (9000 series)
* tell mac80211 when the IVC has been stripped (9000 series)
* add 2 new PCI IDs, one for 9000 and one for 22000
* fix a queue hang due during a P2P Remain-on-Channel operation
brcmfmac
* fix a race which sometimes caused a crash during sdio unbind
* fix a kernel-doc related build error
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macro used to access or set an RSS table entry was using an offset
of 8, while it should use an offset of 0. This lead to wrongly configure
the RSS table, not accessing the right entries.
Fixes: 1d7d15d79fb4 ("net: mvpp2: initialize the RSS tables")
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yuchung Cheng says:
====================
tcp: RACK loss recovery bug fixes
This patch set has four minor bug fixes in TCP RACK loss recovery.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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RACK skips an ACK unless it advances the most recently delivered
TX timestamp (rack.mstamp). Since RACK also uses the most recent
RTT to decide if a packet is lost, RACK should still run the
loss detection whenever the most recent RTT changes. For example,
an ACK that does not advance the timestamp but triggers the cwnd
undo due to reordering, would then use the most recent (higher)
RTT measurement to detect further losses.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Priyaranjan Jha <priyarjha@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RACK should mark a packet lost when remaining wait time is zero.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Priyaranjan Jha <priyarjha@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When sender detects spurious retransmission, all packets
marked lost are remarked to be in-flight. However some may
be considered lost based on its timestamps in RACK. This patch
forces RACK to re-evaluate, which may be skipped previously if
the ACK does not advance RACK timestamp.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Priyaranjan Jha <priyarjha@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RACK does not test the loss recovery state correctly to compute
the reordering window. It assumes if lost_out is zero then TCP is
not in loss recovery. But it can be zero during recovery before
calling tcp_rack_detect_loss(): when an ACK acknowledges all
packets marked lost before receiving this ACK, but has not yet
to discover new ones by tcp_rack_detect_loss(). The fix is to
simply test the congestion state directly.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Priyaranjan Jha <priyarjha@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After applying 2270bc5da3497945 ("bnxt_en: Fix netpoll handling") and
903649e718f80da2 ("bnxt_en: Improve -ENOMEM logic in NAPI poll loop."),
we still see the following WARN fire:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1875170 at net/core/netpoll.c:165 netpoll_poll_dev+0x15a/0x160
bnxt_poll+0x0/0xd0 exceeded budget in poll
<snip>
Call Trace:
[<ffffffff814be5cd>] dump_stack+0x4d/0x70
[<ffffffff8107e013>] __warn+0xd3/0xf0
[<ffffffff8107e07f>] warn_slowpath_fmt+0x4f/0x60
[<ffffffff8179519a>] netpoll_poll_dev+0x15a/0x160
[<ffffffff81795f38>] netpoll_send_skb_on_dev+0x168/0x250
[<ffffffff817962fc>] netpoll_send_udp+0x2dc/0x440
[<ffffffff815fa9be>] write_ext_msg+0x20e/0x250
[<ffffffff810c8125>] call_console_drivers.constprop.23+0xa5/0x110
[<ffffffff810c9549>] console_unlock+0x339/0x5b0
[<ffffffff810c9a88>] vprintk_emit+0x2c8/0x450
[<ffffffff810c9d5f>] vprintk_default+0x1f/0x30
[<ffffffff81173df5>] printk+0x48/0x50
[<ffffffffa0197713>] edac_raw_mc_handle_error+0x563/0x5c0 [edac_core]
[<ffffffffa0197b9b>] edac_mc_handle_error+0x42b/0x6e0 [edac_core]
[<ffffffffa01c3a60>] sbridge_mce_output_error+0x410/0x10d0 [sb_edac]
[<ffffffffa01c47cc>] sbridge_check_error+0xac/0x130 [sb_edac]
[<ffffffffa0197f3c>] edac_mc_workq_function+0x3c/0x90 [edac_core]
[<ffffffff81095f8b>] process_one_work+0x19b/0x480
[<ffffffff810967ca>] worker_thread+0x6a/0x520
[<ffffffff8109c7c4>] kthread+0xe4/0x100
[<ffffffff81884c52>] ret_from_fork+0x22/0x40
This happens because we increment rx_pkts on -ENOMEM and -EIO, resulting
in rx_pkts > 0. Fix this by only bumping rx_pkts if we were actually
given a non-zero budget.
Signed-off-by: Calvin Owens <calvinowens@fb.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The clock-names for pclk was wrongly set to "core", but the bindings
specifies "pclk".
This was not cathed until the legacy non-documented bindings were removed.
Reported-by: Andreas Färber <afaerber@suse.de>
Fixes: f72d6f6037b7 ("ARM64: dts: meson-gx: use stable UART bindings with correct gate clock")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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