- Fix device_reset_optional to be really optional
- Header clean up: includes, warnings, and deprecated calls.
- Add driver and bindings for the Meson-AXG SoC reset controller
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Merge tag 'reset-for-4.16' of git://git.pengutronix.de/git/pza/linux into next/drivers
Pull "Reset controller changes for v4.16" from Philipp Zabel:
This adds Meson-AXG reset support and fixes a few issues with the reset
include header: device_reset_optional is fixed to be really optional,
unused headers are pruned, and useless warnings and deprecated API calls
are removed.
* tag 'reset-for-4.16' of git://git.pengutronix.de/git/pza/linux:
reset: meson-axg: add compatible string for Meson-AXG SoC
dt-bindings: reset: Add bindings for the Meson-AXG SoC Reset Controller
reset: remove reset_control_get(_optional)
reset: minimize the number of headers included from <linux/reset.h>
reset: remove remaining WARN_ON() in <linux/reset.h>
reset: make device_reset_optional() really optional
This patch adds a "can_" prefix to the "struct dev_rcv_lists" to better
reflect the meaning and improbe code readability.
The conversion is done with:
sed -i \
-e "s/struct dev_rcv_lists/struct can_dev_rcv_lists/g" \
net/can/*.[ch] include/net/netns/can.h
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Reference counters should use refcount_t rather than atomic_t, since the
refcount_t implementation can prevent overflows, reducing the
exploitability of reference leak bugs. crypto_alg.cra_refcount is a
reference counter with the usual semantics, so switch it over to
refcount_t.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
It is :
- the conversion to the new parser sharpslpart parser
for the Sharp variants
- an I2C platform data cleanup for PXA
- a gpioreg switch of one register for lubbock
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Merge tag 'pxa-for-4.16' of https://github.com/rjarzmik/linux into next/soc
This is the pxa changes for v4.16 cycle.
It is :
- the conversion to the new parser sharpslpart parser
for the Sharp variants
- an I2C platform data cleanup for PXA
- a gpioreg switch of one register for lubbock
* tag 'pxa-for-4.16' of https://github.com/rjarzmik/linux:
ARM: pxa/lubbock: add GPIO driver for LUB_MISC_WR register
ARM: pxa/poodle: Remove hardcoded partitioning, use sharpslpart parser
ARM: pxa/spitz: Remove hardcoded partitioning, use sharpslpart parser
ARM: pxa/tosa: Remove hardcoded partitioning, use sharpslpart parser
ARM: pxa/corgi: Remove hardcoded partitioning, use sharpslpart parser
ARM: pxa: move header file out of I2C realm
ARM: pxa: move declarations to proper place
Signed-off-by: Olof Johansson <olof@lixom.net>
This branch mostly configures more hardware support:
- Clean-up dts files to remove leading 0x and 0s from binding notation
to remove more dtc compiler warnings
- A series of am437x updates for backlight, to fix inverted pad
pull macro, and to configure power management related OPPs
- Configure n950 and droid 4 command mode LCD panels
- Updates to pandora and gta04 LCD panels
- Add support for am574x-idk
- A series of changes to configure more dra7 related PCIe features
- A series of fixes for am335x-boneblue for WLAN, UARTs and CAN
configuration
- A series of changes to configure dra7 OPPs and VDD supplies
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Merge tag 'omap-for-v4.16/dt-pt2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Second set of device tree changes for omaps for v4.16 merge window
This branch mostly configures more hardware support:
- Clean-up dts files to remove leading 0x and 0s from binding notation
to remove more dtc compiler warnings
- A series of am437x updates for backlight, to fix inverted pad
pull macro, and to configure power management related OPPs
- Configure n950 and droid 4 command mode LCD panels
- Updates to pandora and gta04 LCD panels
- Add support for am574x-idk
- A series of changes to configure more dra7 related PCIe features
- A series of fixes for am335x-boneblue for WLAN, UARTs and CAN
configuration
- A series of changes to configure dra7 OPPs and VDD supplies
* tag 'omap-for-v4.16/dt-pt2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (29 commits)
Revert "ARM: dts: dra7: Add properties to enable PCIe x2 lane mode"
ARM: dts: am572x-idk: Add cpu0 vdd supply
ARM: dts: am571x-idk: Add cpu0 vdd supply
ARM: dts: dra72-evm-tps65917: Add cpu0 vdd supply
ARM: dts: dra7-evm: Add cpu0 vdd supply
ARM: dts: am57xx-beagle-x15-common: Add cpu0 vdd supply
ARM: dts: dra7: Enable 1.5 GHz operation for the CPU
ARM: dts: dra7: Add MPU OPP supply node
ARM: dts: dra7: Add vbb-supply to cpu and additional voltages
ARM: dts: am335x-boneblue: enable can
ARM: dts: am335x-boneblue: enable usarts
ARM: dts: am335x-boneblue: fix wl1835 IRQ pin
ARM: dts: dra7: Remove deprecated PCI compatible string
ARM: dts: dra76-evm: Enable x2 PCIe lanes
ARM: dts: DRA72x: Use PCIe compatible specific to dra72
ARM: dts: DRA74x: Use PCIe compatible specific to dra74
ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
ARM: dts: am57xx: Add support for am574x-idk
ARM: dts: am43x-epos-evm: Hook dcdc2 as the cpu0-supply
ARM: dts: am437x-idk-evm: Disable OPP50 for MPU
...
Signed-off-by: Olof Johansson <olof@lixom.net>
We now have gotten ti-sysc driver to the point where it can parse
interconnect target configuration from device tree instead of the
legacy platform data. This series updates the device tree binding
and adds parsing to the driver for quirks and capabilities.
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Merge tag 'omap-for-v4.16/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers
TI sysc driver updates for v4.16 merge window
We now have gotten ti-sysc driver to the point where it can parse
interconnect target configuration from device tree instead of the
legacy platform data. This series updates the device tree binding
and adds parsing to the driver for quirks and capabilities.
* tag 'omap-for-v4.16/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Add parsing of module capabilities
bus: ti-sysc: Handle module quirks based dts configuration
bus: ti-sysc: Detect i2c interconnect target module based on register layout
bus: ti-sysc: Add register bits for interconnect target modules
bus: ti-sysc: Make omap_hwmod_sysc_fields into sysc_regbits platform data
ARM: OMAP2+: Move all omap_hwmod_sysc_fields to omap_hwmod_common_data.c
ARM: dts: Add generic ti,sysc compatible in addition to the custom ones
dt-bindings: ti-sysc: Update binding for timers and capabilities
Signed-off-by: Olof Johansson <olof@lixom.net>
4.16, please pull the following:
- Arnd provides an update to the Raspberry Pi firmware interface and uses time64_t to
print the time to make it more future proof
- Florian provides a set of updates to make the Broadcom STB Bus Interface Unit code
work on newer ARM64-based chips, as well as perform the correct interface tuning
for these chips to reach the expected performance
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Merge tag 'arm-soc/for-4.16/drivers' of http://github.com/Broadcom/stblinux into next/drivers
This pull request contains Broadcom ARM/ARM64 based SoCs drivers changes for
4.16, please pull the following:
- Arnd provides an update to the Raspberry Pi firmware interface and uses time64_t to
print the time to make it more future proof
- Florian provides a set of updates to make the Broadcom STB Bus Interface Unit code
work on newer ARM64-based chips, as well as perform the correct interface tuning
for these chips to reach the expected performance
* tag 'arm-soc/for-4.16/drivers' of http://github.com/Broadcom/stblinux:
soc: brcmstb: biuctrl: Move to early_initcall
soc: brcmstb: Split initialization
soc: brcmstb: biuctrl: Fine tune B53 MCP interface settings
soc: brcmstb: biuctrl: Wire-up new registers
soc: brcmstb: biuctrl: Prepare for saving/restoring other registers
soc: brcmstb: Correct CPU_CREDIT_REG offset for Brahma-B53 CPUs
soc: brcmstb: Make CPU credit offset more parameterized
dt-bindings: arm: brcmstb: Correct BIUCTRL node documentation
dt-bindings: arm: Add entry for Broadcom Brahma-B53
firmware: raspberrypi: print time using time64_t
Signed-off-by: Olof Johansson <olof@lixom.net>
- Add tiled prefetch support to PRE
- Add format modifier support to PRG and imx-drm-core
- Use runtime PM to control PRG clock
- Allow building ipu-v3 under COMPILE_TEST
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Merge tag 'imx-drm-next-2018-01-02' of git://git.pengutronix.de/git/pza/linux into drm-next
drm/imx: format modifier support
- Add tiled prefetch support to PRE
- Add format modifier support to PRG and imx-drm-core
- Use runtime PM to control PRG clock
- Allow building ipu-v3 under COMPILE_TEST
* tag 'imx-drm-next-2018-01-02' of git://git.pengutronix.de/git/pza/linux:
gpu: ipu-v3: allow to build with COMPILE_TEST
drm/imx: advertise supported plane format modifiers
drm/imx: add FB modifier support
gpu: ipu-v3: prg: add modifier support
gpu: ipu-v3: pre: add tiled prefetch support
gpu: ipu-v3: prg: switch to runtime PM
ACPICA commit 8b38d88e4a7151a7fc9451ac2e51c945c60b913b
Version 20171215.
Link: 8b38d88e
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 35a4a3ea723b3066f575e63e5f0116f7ce65e713
The public Microsoft document listing recognized OSI strings [1]
shows that these two strings were introduced.
version 1607 / Anniversary Update / "Redstone 1"
version 1703 / Creators Update / "Redstone 2"
[1] http://download.microsoft.com/download/7/e/7/7e7662cf-cbea-470b-a97e-ce7ce0d98dc2/winacpi_osi.docx
Link: 35a4a3ea
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit a7f73af9003bf4e730db5a133300c01ba7992a01
The data table compiler throws under the following conditions:
1.) there is a table with a last field that is optional
2.) if the optional field is not present
3.) the optional field is the last line of the data table
A change was made to dt_compile_table to return an AE_EOF under
these conditions. This AE_EOF means that we are at the end of the
file. The caller to dt_compile_table() is responsible for handling
this case. For DBG2 table, we will complete the compilation of this
subtable. For other tables, this could be different.
Link: a7f73af9
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- This driver isn't used anymore so remove it. Marek is preparing new one
which includes completely rewritten API so this driver will be replaced
with the new version[1] later.
And cleanups.
[1] https://patches.linaro.org/cover/118386/
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Merge tag 'exynos-drm-next-for-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
Remove lagacy IPP driver
- This driver isn't used anymore so remove it. Marek is preparing new one
which includes completely rewritten API so this driver will be replaced
with the new version[1] later.
And cleanups.
[1] https://patches.linaro.org/cover/118386/
* tag 'exynos-drm-next-for-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: ipp: Remove Exynos DRM IPP subsystem
drm/exynos/decon: Add include guard to the Exynos7 header
drm/exynos/decon: Move headers from global to local place
drm/exynos: decon5433: Remove unnecessary platform_get_resource() error check
- Add CWSR (compute wave save restore) support for GFX8 (Carrizo)
- Fix SDMA user-mode queues support for GFX7 (Kaveri)
- Add SDMA user-mode queues support for GFX8 (Carrizo)
- Allow HWS (hardware scheduling) to schedule multiple processes concurrently
- Add debugfs support
- Simplify process locking and lock dependencies
- Refactoring topology code to prepare for dGPU support + fixes to that code
- Add option to generate dummy/virtual CRAT table when its missing or deformed
- Recognize CPUs other then APUs as compute entities
- Various clean ups and bug fixes
I have not yet sent the dGPU topology code because it depends on a patch
for the PCI subsystem that adds PCIe atomics support. Once that patch is
upstreamed we can continue with the rest of the dGPU code.
* tag 'drm-amdkfd-next-2017-12-24' of git://people.freedesktop.org/~gabbayo/linux: (53 commits)
drm/amdgpu: Add support for reporting VRAM usage
drm/amdkfd: Ignore ACPI CRAT for non-APU systems
drm/amdkfd: Module option to disable CRAT table
drm/amdkfd: Add AQL Queue Memory flag on topology
drm/amdkfd: Fixup incorrect info in the CZ CRAT table
drm/amdkfd: Add perf counters to topology
drm/amdkfd: Add topology support for dGPUs
drm/amdkfd: Add topology support for CPUs
drm/amdkfd: Fix sibling_map[] size
drm/amdkfd: Simplify counting of memory banks
drm/amdkfd: Turn verbose topology messages into pr_debug
drm/amdkfd: sync IOLINK defines to thunk spec
drm/amdkfd: Support enumerating non-GPU devices
drm/amdkfd: Decouple CRAT parsing from device list update
drm/amdkfd: Reorganize CRAT fetching from ACPI
drm/amdkfd: Group up CRAT related functions
drm/amdkfd: Fix memory leaks in kfd topology
drm/amdkfd: Topology: Fix location_id
drm/amdkfd: Update number of compute unit from KGD
drm/amd: Remove get_vmem_size from KGD-KFD interface
...
We can move these APIs into the private header file now that we
don't have any users of the __clk_get() and __clk_put() APIs
outside of clkdev.c and clk.c.
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
One thing is notable: I applied two patches and later
reverted them - we'll get back to that once all the driver
situation is sorted out.
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Merge tag 'mac80211-next-for-davem-2018-01-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
We have things all over the place, no point listing them.
One thing is notable: I applied two patches and later
reverted them - we'll get back to that once all the driver
situation is sorted out.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Musl provides its own ethhdr struct definition. Add a guard to prevent
its definition of the appropriate musl header has already been included.
glibc does not implement this header, but when glibc will implement this
they can just define __UAPI_DEF_ETHHDR 0 to make it work with the
kernel.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
chip->phy_addr_sel_strap is declared as a bool, but is also used as an
integer address base.
Rename 'phy_addr_sel_strap' to 'phy_addr_base', and change type to int.
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are a lot of places where sequences of space/tabs are
found. Get rid of all spaces before tabs.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
On several places, whitespaces are being used for indentation,
or even at the end of the line.
Fix them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The sockmap infrastructure is only aware of TCP sockets at the
moment. In the future we plan to add UDP. In both cases CONFIG_NET
should be built-in.
So lets only build sockmap if CONFIG_INET is enabled.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Since arm64 also has __raw I/O accessors, add __aarch64__ in fb.h.
This is a supplement for commmit 981409b25e ("fbdev: arm has __raw
I/O accessors, use them in fb.h").
Signed-off-by: Ji Zhang <ji.zhang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Shifting a negative signed number is undefined behavior. Looking at the
macros MAKE_PROCESS_CPUCLOCK and FD_TO_CLOCKID, it seems that the
subexpression:
(~(clockid_t) (pid) << 3)
where clockid_t resolves to a signed int, which once negated, is
undefined behavior to shift the value of if the results thus far are
negative.
It was further suggested to make these macros into inline functions.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Nick Desaulniers <nick.desaulniers@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Dimitri Sivanich <sivanich@hpe.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-kselftest@vger.kernel.org
Cc: Shuah Khan <shuah@kernel.org>
Cc: Deepa Dinamani <deepa.kernel@gmail.com>
Link: https://lkml.kernel.org/r/1514517100-18051-1-git-send-email-nick.desaulniers@gmail.com
Some UVC video cameras contain metadata in their payload headers. This
patch extracts that data, adding more clock synchronisation information,
on both bulk and isochronous endpoints and makes it available to the user
space on a separate video node, using the V4L2_CAP_META_CAPTURE capability
and the V4L2_BUF_TYPE_META_CAPTURE buffer queue type. By default, only the
V4L2_META_FMT_UVC pixel format is available from those nodes. However,
cameras can be added to the device ID table to additionally specify their
own metadata format, in which case that format will also become available
from the metadata node.
[Use put_unaligned instead of __put_unaligned_cpu64]
[Use put_unaligned for the sof field as well]
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Add a pixel format, used by the UVC driver to stream metadata.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The define names specified 64Bit/128Bit, not 64GBIT/128GBIT. Correct
the names.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Merge tag 'at24-4.16-updates-for-wolfram' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-4.16
"AT24 updates for 4.16 merge window
The driver has been converted to using regmap instead of raw i2c and
smbus calls which shrank the code significantly.
Device tree binding document has been cleaned up. Device tree support in
the driver has been improved and we now support all at24 models as well
as two new DT properties (no-read-rollover and wp-gpios).
We no longer user unreadable magic values for driver data as the way it
was implemented caused problems for some EEPROM models - we switched to
regular structs.
Aside from that, there's a bunch of coding style fixes and minor
improvements all over the place."
Now that every architecture is using the generic clkdev.h file
and we no longer include asm/clkdev.h anywhere in the tree, we
can remove it.
Cc: Russell King <linux@armlinux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: <linux-arch@vger.kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Fix indentation of reserved_flags2 field in vxlanhdr_gpe.
Fixes: e1e5314de0 ("vxlan: implement GPE")
Signed-off-by: William Tu <u9012063@gmail.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add phy_modify() convenience accessor to complement the mdiobus
counterpart.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a set of paged phy register accessors which are inherently safe in
their design against other accesses interfering with the paged access.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add unlocked versions of the bus accessors, which allows access to the
bus with all the tracing. These accessors validate that the bus mutex
is held, which is a basic requirement for all mii bus accesses.
Also added is a read-modify-write unlocked accessor with the same
locking requirements.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add unlocked versions of the bus accessors, which allows access to the
bus with all the tracing. These accessors validate that the bus mutex
is held, which is a basic requirement for all mii bus accesses.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
libc-compat.h aims to prevent symbol collisions between uapi and libc
headers for each supported libc. This requires continuous coordination
between them.
The goal of this commit is to improve the situation for libcs (such as
musl) which are not yet supported and/or do not wish to be explicitly
supported, while not affecting supported libcs. More precisely, with
this commit, unsupported libcs can request the suppression of any
specific uapi definition by defining the correspondings _UAPI_DEF_*
macro as 0. This can fix symbol collisions for them, as long as the
libc headers are included before the uapi headers. Inclusion in the
other order is outside the scope of this commit.
All infrastructure in order to enable this fallback for unsupported
libcs is already in place, except that libc-compat.h unconditionally
defines all _UAPI_DEF_* macros to 1 for all unsupported libcs so that
any previous definitions are ignored. In order to fix this, this commit
merely makes these definitions conditional.
This commit together with the musl libc commit
http://git.musl-libc.org/cgit/musl/commit/?id=04983f2272382af92eb8f8838964ff944fbb8258
fixes for example the following compiler errors when <linux/in6.h> is
included after musl's <netinet/in.h>:
./linux/in6.h:32:8: error: redefinition of 'struct in6_addr'
./linux/in6.h:49:8: error: redefinition of 'struct sockaddr_in6'
./linux/in6.h:59:8: error: redefinition of 'struct ipv6_mreq'
The comments referencing glibc are still correct, but this file is not
only used for glibc any more.
Signed-off-by: Felix Janda <felix.janda@posteo.de>
Reviewed-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
mvneta is the only user of fixed_phy_update_state(), which has been
converted to use phylink instead. Remove fixed_phy_update_state().
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull RCU updates from Paul E. McKenney:
- Updates to use cond_resched() instead of cond_resched_rcu_qs()
where feasible (currently everywhere except in kernel/rcu and
in kernel/torture.c). Also a couple of fixes to avoid sending
IPIs to offline CPUs.
- Updates to simplify RCU's dyntick-idle handling.
- Updates to remove almost all uses of smp_read_barrier_depends()
and read_barrier_depends().
- Miscellaneous fixes.
- Torture-test updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
ARM errors just print out the error information value, then the
value needs to be manually decoded as per the UEFI spec. Add
decoding of the ARM error information value so that the kernel
logs capture all of the valid information at first glance.
ARM error information value decoding is captured in UEFI 2.7
spec tables 263-265.
Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasyl Gomonovych <gomonovych@gmail.com>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20180102181042.19074-6-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The ARM CPER code is currently mixed in with the other CPER code. Move it
to a new file to separate it from the rest of the CPER code.
Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasyl Gomonovych <gomonovych@gmail.com>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20180102181042.19074-5-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Commit:
82c3768b8d ("efi/capsule-loader: Use a cached copy of the capsule header")
... refactored the capsule loading code that maps the capsule header,
to avoid having to map it several times.
However, as it turns out, the vmap() call we ended up removing did not
just map the header, but the entire capsule image, and dropping this
virtual mapping breaks capsules that are processed by the firmware
immediately (i.e., without a reboot).
Unfortunately, that change was part of a larger refactor that allowed
a quirk to be implemented for Quark, which has a non-standard memory
layout for capsules, and we have slightly painted ourselves into a
corner by allowing quirk code to mangle the capsule header and memory
layout.
So we need to fix this without breaking Quark. Fortunately, Quark does
not appear to care about the virtual mapping, and so we can simply
do a partial revert of commit:
2a457fb31d ("efi/capsule-loader: Use page addresses rather than struct page pointers")
... and create a vmap() mapping of the entire capsule (including header)
based on the reinstated struct page array, unless running on Quark, in
which case we pass the capsule header copy as before.
Reported-by: Ge Song <ge.song@hxt-semitech.com>
Tested-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Tested-by: Ge Song <ge.song@hxt-semitech.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: <stable@vger.kernel.org>
Cc: Dave Young <dyoung@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Fixes: 82c3768b8d ("efi/capsule-loader: Use a cached copy of the capsule header")
Link: http://lkml.kernel.org/r/20180102172110.17018-3-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'v4.15-rc6' into patchwork
Linux 4.15-rc6
* tag 'v4.15-rc6': (734 commits)
Linux 4.15-rc6
MAINTAINERS: mark arch/blackfin/ and its gubbins as orphaned
x86/ldt: Make LDT pgtable free conditional
x86/ldt: Plug memory leak in error path
x86/mm: Remove preempt_disable/enable() from __native_flush_tlb()
x86/smpboot: Remove stale TLB flush invocations
objtool: Fix seg fault with clang-compiled objects
objtool: Fix seg fault caused by missing parameter
kbuild: add '-fno-stack-check' to kernel build options
timerqueue: Document return values of timerqueue_add/del()
timers: Invoke timer_start_debug() where it makes sense
nohz: Prevent a timer interrupt storm in tick_nohz_stop_sched_tick()
timers: Reinitialize per cpu bases on hotplug
timers: Use deferrable base independent of base::nohz_active
genirq/msi, x86/vector: Prevent reservation mode for non maskable MSI
genirq/irqdomain: Rename early argument of irq_domain_activate_irq()
x86/vector: Use IRQD_CAN_RESERVE flag
genirq: Introduce IRQD_CAN_RESERVE flag
genirq/msi: Handle reactivation only on success
gpio: brcmstb: Make really use of the new lockdep class
...
This fixes generic/342 which doesn't recover renamed file which was fsynced
before. It will be done via another fsync on newly created file.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
atomic_t variables are currently used to implement reference
counters with the following properties:
- counter is initialized to 1 using atomic_set()
- a resource is freed upon counter reaching zero
- once counter reaches zero, its further
increments aren't allowed
- counter schema uses basic atomic operations
(set, inc, inc_not_zero, dec_and_test, etc.)
Such atomic variables should be converted to a newly provided
refcount_t type and API that prevents accidental counter overflows
and underflows. This is important since overflows and underflows
can lead to use-after-free situation and be exploitable.
The variable posix_acl.a_refcount is used as pure reference counter.
Convert it to refcount_t and fix up the operations.
**Important note for maintainers:
Some functions from refcount_t API defined in lib/refcount.c
have different memory ordering guarantees than their atomic
counterparts.
The full comparison can be seen in
https://lkml.org/lkml/2017/11/15/57 and it is hopefully soon
in state to be merged to the documentation tree.
Normally the differences should not matter since refcount_t provides
enough guarantees to satisfy the refcounting use cases, but in
some rare cases it might matter.
Please double check that you don't have some undocumented
memory guarantees for this variable usage.
For the posix_acl.a_refcount it might make a difference
in following places:
- get_cached_acl(): increment in refcount_inc_not_zero() only
guarantees control dependency on success vs. fully ordered
atomic counterpart. However this operation is performed under
rcu_read_lock(), so this should be fine.
- posix_acl_release(): decrement in refcount_dec_and_test() only
provides RELEASE ordering and control dependency on success
vs. fully ordered atomic counterpart
Suggested-by: Kees Cook <keescook@chromium.org>
Reviewed-by: David Windsor <dwindsor@gmail.com>
Reviewed-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Improve the support for direct-attach copper so that we avoid kernel
warning messages, and report the appropriate PORT_DA type to userspace.
Direct Attach cables can use a number of protocols depending on their
range of speeds.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is not used / set anywhere in the tree.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Now that all the users of asm/clkdev.h have been replaced with
the generic file we can get rid of the asm-generic file as well
and implement that code directly where it's used.
We only have one caller of __clkdev_alloc(), in clkdev.c so we
can easily remove that and drop the include of asm/clkdev.h in
linux/clkdev.h by putting the __clk_get/__clk_put inlines in
their respective location.
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Add a helper to convert the result of the autonegotiation advertisment
into the PHYs speed and duplex settings. If the result is full duplex,
also extract the pause mode settings from the link partner advertisment.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add reporting of the MDI swap to the Marvell 10G PHY driver by providing
a generic implementation for the standard 10GBASE-T pair swap register
and polarity register. We also support reading the MDI swap status for
1G and below from a PCS register.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add DCCP sendmsg trace event (dccp/dccp_probe) for
replacing dccpprobe. User can trace this event via
ftrace or perftools.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
