We currently only have BPF tools in the tools/net directory.
We are about to add more BPF tools there, not necessarily
networking related, rename the directory and related Makefile
targets to bpf.
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
David Ahern says:
====================
net: Plumb extack error reporting to enslavements
Another round of extending extack error reporting, this time for
enslavements through ndo_add_slave and notifiers.
v2
- changed how the messages are added to bonding driver per Jiri's request
- fixed spectrum message for LAG overflow per Ido's comment
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
mlxsw fails device enslavement for a number of reasons. Use the extack
facility to return an error message to the user stating why the enslave
is failing.
Messages are prefixed with "spectrum" so users know it is a constraint
imposed by the hardware driver. For example:
$ ip li add br0.11 link br0 type vlan id 11
$ ip li set swp11 master br0
Error: spectrum: Enslaving a port to a device that already has an upper device is not supported.
Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Tested-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass extack arg to br_add_if. Add messages for a couple of failures
and pass arg to netdev_master_upper_dev_link.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
A number of bond_enslave errors are logged using the netdev_err API.
Return those messages to userspace via the extack facility.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add extack arg to netdev_upper_dev_link and netdev_master_upper_dev_link
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass extack to do_set_master and down to ndo_add_slave
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add netlink_ext_ack to netdev_notifier_info to allow notifier
handlers to return errors to userspace.
Clean up the initialization in dev.c such that extack is easily
added in subsequent patches where relevant. Specifically, remove
the init call in call_netdevice_notifiers_info and have callers
initalize on stack when info is declared.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the vlan is down, free the packet instead of proceeding with other
processing, or counting it as received. If vlan interfaces are used
as slaves for bonding, with arp monitoring for connectivity, if the rx
counter is seen to be incrementing, then the bond device will not
observe that the interface is down.
CC: David S. Miller <davem@davemloft.net>
Signed-off-by: Vishakha Narvekar <Vishakha.Narvekar@dell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
x-netns interfaces are bound to two netns: the link netns and the upper
netns. Usually, this kind of interfaces is created in the link netns and
then moved to the upper netns. At the end, the interface is visible only
in the upper netns. The link nsid is advertised via netlink in the upper
netns, thus the user always knows where is the link part.
There is no such mechanism in the link netns. When the interface is moved
to another netns, the user cannot "follow" it.
This patch adds a new netlink attribute which helps to follow an interface
which moves to another netns. When the interface is unregistered, the new
nsid is advertised. If the interface is a x-netns interface (ie
rtnl_link_ops->get_link_net is defined), the nsid is allocated if needed.
CC: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Our first batch of fixes this release cycle, unfortunately a bit noisier
than usual. Two major groups stand out:
- Some pinctril dts/dtsi changes for stm32 due to a new driver being
merged during the merge window, and this aligns the DT contents between
the old format and the new. This could arguably be moved to the next
merge window but it also seemed relatively harmless to include now.
- Amlogic/meson had driver changes merged that required devicetree
changes to avoid functional/performance regressions. I've already
asked them to be more careful about this going forward, and making
sure drivers are compatible with older DTs when they make these kind
of changes. The platform is actively being upstreamed so there's a
few things in flight, we've seen this happen before and sometimes
it's hard to catch in time.
Besides that there is the usual mix of minor fixes.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Our first batch of fixes this release cycle, unfortunately a bit
noisier than usual. Two major groups stand out:
- Some pinctril dts/dtsi changes for stm32 due to a new driver being
merged during the merge window, and this aligns the DT contents
between the old format and the new. This could arguably be moved to
the next merge window but it also seemed relatively harmless to
include now.
- Amlogic/meson had driver changes merged that required devicetree
changes to avoid functional/performance regressions. I've already
asked them to be more careful about this going forward, and making
sure drivers are compatible with older DTs when they make these
kind of changes. The platform is actively being upstreamed so
there's a few things in flight, we've seen this happen before and
sometimes it's hard to catch in time.
Besides that there is the usual mix of minor fixes"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (33 commits)
ARM: dts: stm32: use right pinctrl compatible for stm32f469
ARM: dts: stm32: Fix STMPE1600 binding on stm32429i-eval board
ARM: defconfig: update Gemini defconfig
ARM: defconfig: FRAMEBUFFER_CONSOLE can no longer be =m
arm64: dts: rockchip: add the grf clk for dw-mipi-dsi on rk3399
reset: Restrict RESET_HSDK to ARC_SOC_HSDK or COMPILE_TEST
ARM: dts: da850-evm: add serial and ethernet aliases
ARM: dts: am43xx-epos-evm: Remove extra CPSW EMAC entry
ARM: dts: am33xx: Add spi alias to match SOC schematics
ARM: OMAP2+: hsmmc: fix logic to call either omap_hsmmc_init or omap_hsmmc_late_init but not both
ARM: dts: dra7: Set a default parent to mcasp3_ahclkx_mux
ARM: OMAP2+: dra7xx: Set OPT_CLKS_IN_RESET flag for gpio1
ARM: dts: nokia n900: drop unneeded/undocumented parts of the dts
arm64: dts: rockchip: Correct MIPI DPHY PLL clock on rk3399
arm64: dt marvell: Fix AP806 system controller size
MAINTAINERS: add Macchiatobin maintainers entry
ARC: reset: remove the misleading v1 suffix all over
ARC: reset: add missing DT binding documentation for HSDKv1 reset driver
ARC: reset: Only build on archs that have IOMEM
ARM: at91: Replace uses of virt_to_phys with __pa_symbol
...
Update my imgtec.com and personal email address to my kernel.org one in
a few places as MIPS will soon no longer be part of Imagination
Technologies, and add mappings in .mailcap so get_maintainer.pl reports
the right address.
Signed-off-by: James Hogan <jhogan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alexei Starovoitov says:
====================
bpf: muli prog support for cgroup-bpf
v1->v2:
- fixed accidentally swapped two lines which caused static_key not going to zero
- addressed Martin's feedback and changed prog_query to be consistent
with verifier output: return -enospc and fill supplied buffer instead
of just returning -enospc when buffer is too small to fit all prog_ids
v1:
cgroup-bpf use cases are getting more advanced and running only
one program per cgroup is no longer enough. Therefore introduce
support for attaching multiple programs per cgroup and running
a set of effective programs.
These patches introduces BPF_F_ALLOW_MULTI flag for BPF_PROG_ATTACH cmd.
The default is still NONE and behavior of BPF_F_ALLOW_OVERRIDE flag
is unchanged.
The difference between three possible flags for BPF_PROG_ATTACH command:
- NONE(default): No further bpf programs allowed in the subtree.
- BPF_F_ALLOW_OVERRIDE: If a sub-cgroup installs some bpf program,
the program in this cgroup yields to sub-cgroup program.
- BPF_F_ALLOW_MULTI: If a sub-cgroup installs some bpf program,
that cgroup program gets run in addition to the program in this cgroup.
Most of the logic is in patch 1. Even when cgroup doesn't have
any programs attached its set of effective program can be non-empty.
To quickly execute them and avoid penalizing cgroups without
any effective programs introduce 'struct bpf_prog_array'
which has an optimization for cgroups with zero effective programs.
Patch 2 introduces BPF_PROG_QUERY command for introspection
Patch 3 makes verifier more strict for cgroup-bpf program types.
Patch 4+ are tests.
More details in individual patches
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
use BPF_PROG_QUERY command to strengthen test coverage
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
add support for BPF_PROG_QUERY command to libbpf
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
tools/include/uapi/linux/bpf.h got out of sync with actual kernel header.
Update it.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
create 5 cgroups, attach 6 progs and check that progs are executed as:
cgrp1 (MULTI progs A, B) ->
cgrp2 (OVERRIDE prog C) ->
cgrp3 (MULTI prog D) ->
cgrp4 (OVERRIDE prog E) ->
cgrp5 (NONE prog F)
the event in cgrp5 triggers execution of F,D,A,B in that order.
if prog F is detached, the execution is E,D,A,B
if prog F and D are detached, the execution is E,A,B
if prog F, E and D are detached, the execution is C,A,B
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
introduce bpf_prog_detach2() that takes one more argument prog_fd
vs bpf_prog_detach() that takes only attach_fd and type.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
with addition of tnum logic the verifier got smart enough and
we can enforce return codes at program load time.
For now do so for cgroup-bpf program types.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
introduce BPF_PROG_QUERY command to retrieve a set of either
attached programs to given cgroup or a set of effective programs
that will execute for events within a cgroup
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
for cgroup bits
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
introduce BPF_F_ALLOW_MULTI flag that can be used to attach multiple
bpf programs to a cgroup.
The difference between three possible flags for BPF_PROG_ATTACH command:
- NONE(default): No further bpf programs allowed in the subtree.
- BPF_F_ALLOW_OVERRIDE: If a sub-cgroup installs some bpf program,
the program in this cgroup yields to sub-cgroup program.
- BPF_F_ALLOW_MULTI: If a sub-cgroup installs some bpf program,
that cgroup program gets run in addition to the program in this cgroup.
NONE and BPF_F_ALLOW_OVERRIDE existed before. This patch doesn't
change their behavior. It only clarifies the semantics in relation
to new flag.
Only one program is allowed to be attached to a cgroup with
NONE or BPF_F_ALLOW_OVERRIDE flag.
Multiple programs are allowed to be attached to a cgroup with
BPF_F_ALLOW_MULTI flag. They are executed in FIFO order
(those that were attached first, run first)
The programs of sub-cgroup are executed first, then programs of
this cgroup and then programs of parent cgroup.
All eligible programs are executed regardless of return code from
earlier programs.
To allow efficient execution of multiple programs attached to a cgroup
and to avoid penalizing cgroups without any programs attached
introduce 'struct bpf_prog_array' which is RCU protected array
of pointers to bpf programs.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
for cgroup bits
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Compiler does not really know that skb_shinfo(to|from) are constants
in skb_try_coalesce(), lets cache their values to shrink code.
We might even take care of skb_zcopy() calls later.
$ size net/core/skbuff.o.before net/core/skbuff.o
text data bss dec hex filename
40727 1298 0 42025 a429 net/core/skbuff.o.before
40631 1298 0 41929 a3c9 net/core/skbuff.o
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
no users in the tree.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The functions t4vf_link_down_rc_str and t4vf_handle_get_port_info are
local to the source and do not need to be in global scope, so make
them static.
Cleans up sparse warnings:
symbol 't4vf_link_down_rc_str' was not declared. Should it be static?
symbol 't4vf_handle_get_port_info' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---------------------
-Fix STMPE1600 bindings for stm32429i-eval board
-Use right compatible for stm32f469 pinctrl. It implies to use
pinctrl dedicated files for F4 SoCs.
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Merge tag 'stm32-dt-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32 into fixes
STM32 fixes for v4.14:
---------------------
-Fix STMPE1600 bindings for stm32429i-eval board
-Use right compatible for stm32f469 pinctrl. It implies to use
pinctrl dedicated files for F4 SoCs.
* tag 'stm32-dt-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
ARM: dts: stm32: use right pinctrl compatible for stm32f469
ARM: dts: stm32: Fix STMPE1600 binding on stm32429i-eval board
Signed-off-by: Olof Johansson <olof@lixom.net>
net/core/dev.c:1306: warning: No description found for parameter 'name'
net/core/dev.c:1306: warning: Excess function parameter 'alias' description in 'dev_get_alias'
Fixes: 6c5570016b ("net: core: decouple ifalias get/set from rtnl lock")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for RX checksum offload. This is enabled by default and
may be disabled and re-enabled using ethtool:
# ethtool -K eth0 rx off
# ethtool -K eth0 rx on
The RAVB provides a simple checksumming scheme which appears to be
completely compatible with CHECKSUM_COMPLETE: sum of all packet data after
the L2 header is appended to packet data; this may be trivially read by the
driver and used to update the skb accordingly.
In terms of performance throughput is close to gigabit line-rate both with
and without RX checksum offload enabled. Perf output, however, appears to
indicate that significantly less time is spent in do_csum(). This is as
expected.
Test results with RX checksum offload enabled:
# /usr/bin/perf_3.16 record -o /run/perf.data -a netperf -t TCP_MAERTS -H 10.4.3.162
MIGRATED TCP MAERTS TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.4.3.162 () port 0 AF_INET : demo
enable_enobufs failed: getprotobyname
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 10.00 937.54
Summary of output of perf report:
18.28% ksoftirqd/0 [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore
10.34% ksoftirqd/0 [kernel.kallsyms] [k] __pi_memcpy
9.83% ksoftirqd/0 [kernel.kallsyms] [k] ravb_poll
7.89% ksoftirqd/0 [kernel.kallsyms] [k] skb_put
4.01% ksoftirqd/0 [kernel.kallsyms] [k] dev_gro_receive
3.37% netperf [kernel.kallsyms] [k] __arch_copy_to_user
3.17% swapper [kernel.kallsyms] [k] arch_cpu_idle
2.55% swapper [kernel.kallsyms] [k] tick_nohz_idle_enter
2.04% ksoftirqd/0 [kernel.kallsyms] [k] __pi___inval_dcache_area
2.03% swapper [kernel.kallsyms] [k] _raw_spin_unlock_irq
1.96% ksoftirqd/0 [kernel.kallsyms] [k] __netdev_alloc_skb
1.59% ksoftirqd/0 [kernel.kallsyms] [k] __slab_alloc.isra.83
Test results without RX checksum offload enabled:
# /usr/bin/perf_3.16 record -o /run/perf.data -a netperf -t TCP_MAERTS -H 10.4.3.162
MIGRATED TCP MAERTS TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.4.3.162 () port 0 AF_INET : demo
enable_enobufs failed: getprotobyname
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 10.00 940.20
Summary of output of perf report:
17.10% ksoftirqd/0 [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore
10.99% ksoftirqd/0 [kernel.kallsyms] [k] __pi_memcpy
8.87% ksoftirqd/0 [kernel.kallsyms] [k] ravb_poll
8.16% ksoftirqd/0 [kernel.kallsyms] [k] skb_put
7.42% ksoftirqd/0 [kernel.kallsyms] [k] do_csum
3.91% ksoftirqd/0 [kernel.kallsyms] [k] dev_gro_receive
2.31% swapper [kernel.kallsyms] [k] arch_cpu_idle
2.16% ksoftirqd/0 [kernel.kallsyms] [k] __pi___inval_dcache_area
2.14% ksoftirqd/0 [kernel.kallsyms] [k] __netdev_alloc_skb
1.93% netperf [kernel.kallsyms] [k] __arch_copy_to_user
1.79% swapper [kernel.kallsyms] [k] tick_nohz_idle_enter
1.63% ksoftirqd/0 [kernel.kallsyms] [k] __slab_alloc.isra.83
Above results collected on an R-Car Gen 3 Salvator-X/r8a7796 ES1.0.
Also tested on a R-Car Gen 3 Salvator-X/r8a7795 ES1.0.
By inspection this also appears to be compatible with the ravb found
on R-Car Gen 2 SoCs, however, this patch is currently untested on such
hardware.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge misc fixes from Andrew Morton:
"A lot of stuff, sorry about that. A week on a beach, then a bunch of
time catching up then more time letting it bake in -next. Shan't do
that again!"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (51 commits)
include/linux/fs.h: fix comment about struct address_space
checkpatch: fix ignoring cover-letter logic
m32r: fix build failure
lib/ratelimit.c: use deferred printk() version
kernel/params.c: improve STANDARD_PARAM_DEF readability
kernel/params.c: fix an overflow in param_attr_show
kernel/params.c: fix the maximum length in param_get_string
mm/memory_hotplug: define find_{smallest|biggest}_section_pfn as unsigned long
mm/memory_hotplug: change pfn_to_section_nr/section_nr_to_pfn macro to inline function
kernel/kcmp.c: drop branch leftover typo
memremap: add scheduling point to devm_memremap_pages
mm, page_alloc: add scheduling point to memmap_init_zone
mm, memory_hotplug: add scheduling point to __add_pages
lib/idr.c: fix comment for idr_replace()
mm: memcontrol: use vmalloc fallback for large kmem memcg arrays
kernel/sysctl.c: remove duplicate UINT_MAX check on do_proc_douintvec_conv()
include/linux/bitfield.h: remove 32bit from FIELD_GET comment block
lib/lz4: make arrays static const, reduces object code size
exec: binfmt_misc: kill the onstack iname[BINPRM_BUF_SIZE] array
exec: binfmt_misc: fix race between load_misc_binary() and kill_node()
...
Pull smack fix from James Morris:
"It fixes a bug in xattr_getsecurity() where security_release_secctx()
was being called instead of kfree(), which leads to a memory leak in
the capabilities code. smack_inode_getsecurity is also fixed to behave
correctly when called from there"
* 'fixes-v4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
lsm: fix smack_inode_removexattr and xattr_getsecurity memleak
- A memory fix with left over code from spliting out ftrace_ops
and function graph tracer, where the function graph tracer could
reset the trampoline pointer, leaving the old trampoline not to
be freed (memory leak).
- The update to Paul's patch that added the unnecessary READ_ONCE().
This removes the unnecessary READ_ONCE() instead of having to rebase
the branch to update the patch that added it.
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Merge tag 'trace-v4.14-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixlets from Steven Rostedt:
"Two updates:
- A memory fix with left over code from spliting out ftrace_ops and
function graph tracer, where the function graph tracer could reset
the trampoline pointer, leaving the old trampoline not to be freed
(memory leak).
- The update to Paul's patch that added the unnecessary READ_ONCE().
This removes the unnecessary READ_ONCE() instead of having to
rebase the branch to update the patch that added it"
* tag 'trace-v4.14-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
rcu: Remove extraneous READ_ONCE()s from rcu_irq_{enter,exit}()
ftrace: Fix kmemleak in unregister_ftrace_graph
If a crypt mapping uses optional sector_size feature, additional
restrictions to mapped device segment size must be applied in
constructor, otherwise the device activation will fail later.
Fixes: 8f0009a225 ("dm crypt: optionally support larger encryption sector size")
Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Currently, same stm32f429-pinctrl driver is used for stm32f429 and
stm32f469. As pin map is different between those 2 MCUs,
a stm32f469-pinctrl driver has been recently added.
This patch
-allows to use stm32f469-pinctrl driver for stm32f469 boards
-reworks stm32 devicetree files to fit with stm32f429 / stm32f469
In the same time it fixes an issue when only MACH_STM32F469 flag is
selected in menuconfig.
Fixes: d28bcd53fa ("ARM: stm32: Introduce MACH_STM32F469 flag")
Reported-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
To declare gpio interrupt line for STMPE1600, 2 possibilities are offered:
-use gpio binding (and then the gpiolib interface inside driver)
-use interrupt binding as each gpio-controller are also interrupt controller
on stm32f429.
In STMPE 1600 node both (gpio and interrupt) bindings are defined.
This patch fixes this issue and use only interrupt binding.
Fixes: c04b2e72af ("ARM: dts: stm32: Enable STMPE1600 gpio expander of STM32F429-EVAL board")
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
security_inode_getsecurity() provides the text string value
of a security attribute. It does not provide a "secctx".
The code in xattr_getsecurity() that calls security_inode_getsecurity()
and then calls security_release_secctx() happened to work because
SElinux and Smack treat the attribute and the secctx the same way.
It fails for cap_inode_getsecurity(), because that module has no
secctx that ever needs releasing. It turns out that Smack is the
one that's doing things wrong by not allocating memory when instructed
to do so by the "alloc" parameter.
The fix is simple enough. Change the security_release_secctx() to
kfree() because it isn't a secctx being returned by
security_inode_getsecurity(). Change Smack to allocate the string when
told to do so.
Note: this also fixes memory leaks for LSMs which implement
inode_getsecurity but not release_secctx, such as capabilities.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Reported-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: stable@vger.kernel.org
Signed-off-by: James Morris <james.l.morris@oracle.com>
Few minor fixes for omaps, mostly just boot time warning fixes:
- Drop undocumented camera binding that got merged during the merge window by
accident as I applied before Sakari's comments
- Fix soft reset warning for dra7 kexec boot for gpio1 as the optional clocks
need to be enabled for reset
- Fix dra7 kexec boot clock rate for McASP as the rate is no longer the default
rate after kexec
- Fix omap3 pandora MMC warning during boot
- Add am33xx SPI alias like we have on other SoCs
- Remove node for non-existing CPSW EMAC Ethernet on am43xx-epos-evm
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Merge tag 'omap-for-v4.14/fixes-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omaps for v4.14-rc cycle
Few minor fixes for omaps, mostly just boot time warning fixes:
- Drop undocumented camera binding that got merged during the merge window by
accident as I applied before Sakari's comments
- Fix soft reset warning for dra7 kexec boot for gpio1 as the optional clocks
need to be enabled for reset
- Fix dra7 kexec boot clock rate for McASP as the rate is no longer the default
rate after kexec
- Fix omap3 pandora MMC warning during boot
- Add am33xx SPI alias like we have on other SoCs
- Remove node for non-existing CPSW EMAC Ethernet on am43xx-epos-evm
* tag 'omap-for-v4.14/fixes-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am43xx-epos-evm: Remove extra CPSW EMAC entry
ARM: dts: am33xx: Add spi alias to match SOC schematics
ARM: OMAP2+: hsmmc: fix logic to call either omap_hsmmc_init or omap_hsmmc_late_init but not both
ARM: dts: dra7: Set a default parent to mcasp3_ahclkx_mux
ARM: OMAP2+: dra7xx: Set OPT_CLKS_IN_RESET flag for gpio1
ARM: dts: nokia n900: drop unneeded/undocumented parts of the dts
Signed-off-by: Olof Johansson <olof@lixom.net>
for the boards as all of them are missing their cpu supplies, the OPPs
actually need to follow the <target min max> format as the regulator is
shared between both clusters and the one rk3368 board I have, somehow also
doesn't like the higher opps at all - all of which I only realized after
I brought my rk3368 board online again, after its bootloader broke.
So we revert that OPP addition for now.
And also two fixes for the mipi dsi controller on rk3399, which was
referencing a clock to high up in the clock-tree so that an intermediate
gate could be disabled inadvertently and also needs a clock for its area
in the general register files of the rk3399 soc.
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Merge tag 'v4.14-rockchip-dts64fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes
Adding the operating points on rk3368 like they were did not end up well
for the boards as all of them are missing their cpu supplies, the OPPs
actually need to follow the <target min max> format as the regulator is
shared between both clusters and the one rk3368 board I have, somehow also
doesn't like the higher opps at all - all of which I only realized after
I brought my rk3368 board online again, after its bootloader broke.
So we revert that OPP addition for now.
And also two fixes for the mipi dsi controller on rk3399, which was
referencing a clock to high up in the clock-tree so that an intermediate
gate could be disabled inadvertently and also needs a clock for its area
in the general register files of the rk3399 soc.
* tag 'v4.14-rockchip-dts64fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: add the grf clk for dw-mipi-dsi on rk3399
arm64: dts: rockchip: Correct MIPI DPHY PLL clock on rk3399
Revert "arm64: dts: rockchip: Add basic cpu frequencies for RK3368"
Signed-off-by: Olof Johansson <olof@lixom.net>
Update MAINTAINERS for the Macchiatobin board (Armada 8K based)
Fix AP806 system controller size on Armada 7K/8K
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Merge tag 'mvebu-fixes-4.14-1' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for 4.14 (part 1)
Update MAINTAINERS for the Macchiatobin board (Armada 8K based)
Fix AP806 system controller size on Armada 7K/8K
* tag 'mvebu-fixes-4.14-1' of git://git.infradead.org/linux-mvebu:
arm64: dt marvell: Fix AP806 system controller size
MAINTAINERS: add Macchiatobin maintainers entry
Signed-off-by: Olof Johansson <olof@lixom.net>
- Remove misleading HSDK v1 suffix, as there is no v2 planned
- Add missing DT binding documentation for HSDK reset driver
- Fix HSDK reset driver dependencies
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Merge tag 'reset-fixes-for-4.14' of git://git.pengutronix.de/git/pza/linux into fixes
Reset controller fixes for v4.14
- Remove misleading HSDK v1 suffix, as there is no v2 planned
- Add missing DT binding documentation for HSDK reset driver
- Fix HSDK reset driver dependencies
* tag 'reset-fixes-for-4.14' of git://git.pengutronix.de/git/pza/linux:
reset: Restrict RESET_HSDK to ARC_SOC_HSDK or COMPILE_TEST
ARC: reset: remove the misleading v1 suffix all over
ARC: reset: add missing DT binding documentation for HSDKv1 reset driver
ARC: reset: Only build on archs that have IOMEM
Signed-off-by: Olof Johansson <olof@lixom.net>
on DA850 EVM.
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Merge tag 'davinci-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
A fix for random ethernet mac address problem
on DA850 EVM.
* tag 'davinci-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: dts: da850-evm: add serial and ethernet aliases
Signed-off-by: Olof Johansson <olof@lixom.net>
- three DT fixes for the newly introduced sama5d27_som1_ek board
- one treewide modification that didn't touch this new PM code: we
synchronize now to be coherent with the other ARM platforms
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Merge tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes
Fixes for 4.14:
- three DT fixes for the newly introduced sama5d27_som1_ek board
- one treewide modification that didn't touch this new PM code: we
synchronize now to be coherent with the other ARM platforms
* tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
ARM: at91: Replace uses of virt_to_phys with __pa_symbol
ARM: dts: at91: sama5d27_som1_ek: fix USB host vbus
ARM: dts: at91: sama5d27_som1_ek: fix typos
ARM: dts: at91: sama5d27_som1_ek: update pinmux/pinconf for LEDs and USB
Signed-off-by: Olof Johansson <olof@lixom.net>
This updates the Gemini defconfig with drivers merged
for v4.13 or v4.14:
- ATA driver is merged
- DMA driver is merged
- RTC driver gets selected from default Kconfig
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
It is no longer possible to load this at runtime, so let's
change the few remaining users to have it built-in all
the time.
arch/arm/configs/zeus_defconfig:115:warning: symbol value 'm' invalid for FRAMEBUFFER_CONSOLE
arch/arm/configs/viper_defconfig:116:warning: symbol value 'm' invalid for FRAMEBUFFER_CONSOLE
arch/arm/configs/pxa_defconfig:474:warning: symbol value 'm' invalid for FRAMEBUFFER_CONSOLE
Reported-by: kernelci.org bot <bot@kernelci.org>
Fixes: 6104c37094 ("fbcon: Make fbcon a built-time depency for fbdev")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Before commit 9c5d760b8d ("mm: split gfp_mask and mapping flags into
separate fields") the private_* fields of struct adrress_space were
grouped together and using "ditto" in comments describing the last
fields was correct.
With introduction of gpf_mask between private_lock and private_list
"ditto" references the wrong description.
Fix it by using the elaborate description.
Link: http://lkml.kernel.org/r/1507009987-8746-1-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently running checkpatch on a directory with a cover-letter.patch
file reports the following error:
-----------------------------------------
patches/smp-v2/v2-0000-cover-letter.patch
-----------------------------------------
ERROR: Does not appear to be a unified-diff format patch
The logic to suppress the unified-diff check for cover letters is there
but is checking $file instead of $filename. Fix the variable to use the
correct one.
Link: http://lkml.kernel.org/r/20170909090406.31523-1-shorne@gmail.com
Signed-off-by: Stafford Horne <shorne@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The allmodconfig build of m32r is failing with the error:
lib/mpi/mpih-div.o: In function 'mpihelp_divrem':
mpih-div.c:(.text+0x40): undefined reference to 'abort'
mpih-div.c:(.text+0x40): relocation truncated to fit:
R_M32R_26_PCREL_RELA against undefined symbol 'abort'
The function 'abort' was never defined for the m32r architecture.
Create 'abort' as is done in other arch like 'arm' and 'unicore32'.
Link: http://lkml.kernel.org/r/1506727220-6108-1-git-send-email-sudip.mukherjee@codethink.co.uk
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jakub Kicinski