The watchdog, the reset controller, the two real-time timers, the shutdown
controller and the timer counter need the slow clock, add it where
necessary.
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The watchdog, the reset controller, the real-time timer, the shutdown
controller and the timer counter need the slow clock, add it where
necessary.
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The watchdog, the reset controller, the real-time timer, the shutdown
controller, the timer counters need the slow clock, add it where necessary.
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The system timer, the RTC and the timer counters need the slow clock, add
it.
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The RTC needs an input clock, it is the slow clock. It is required as it
will not function without it.
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The watchdog has an input clock, the slow clock. It is required as it will
not function without it.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The timer counters need the slow clock. It is required as they
will not function without it.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The system timer (at91rm9200), the reset controller and the shutdown
controller need an input clock. This is the slow clock and they will not
function without it.
Also fix the shutdown controller example.
Acked-By: Sebastian Reichel <sre@kernel.org>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
- Move the nfnl_acct_list into the network namespace, initialize
and destroy it per namespace
- Keep track of refcnt on nfacct objects, the old logic does not
longer work with a per namespace list
- Adjust xt_nfacct to pass the namespace when registring objects
Signed-off-by: Andreas Schultz <aschultz@tpip.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This patch adds a new NFTA_LIMIT_TYPE netlink attribute to indicate the type of
limiting.
Contrary to per-packet limiting, the cost is calculated from the packet path
since this depends on the packet length.
The burst attribute indicates the number of bytes in which the rate can be
exceeded.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The cost per packet can be calculated from the control plane path since this
doesn't ever change.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This patch adds the burst parameter. This burst indicates the number of packets
that can exceed the limit.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Rework the limit expression to use a token-based limiting approach that refills
the bucket gradually. The tokens are calculated at nanosecond granularity
instead jiffies to improve precision.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This new expression uses the nf_dup engine to clone packets to a given gateway.
Unlike xt_TEE, we use an index to indicate output interface which should be
fine at this stage.
Moreover, change to the preemtion-safe this_cpu_read(nf_skb_duplicated) from
nf_dup_ipv{4,6} to silence a lockdep splat.
Based on the original tee expression from Arturo Borrero Gonzalez, although
this patch has diverted quite a bit from this initial effort due to the
change to support maps.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Extracted from the xtables TEE target. This creates two new modules for IPv4
and IPv6 that are shared between the TEE target and the new nf_tables dup
expressions.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This patch converts the existing seqlock to per-cpu counters.
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Suggested-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The increment of delay counter was 2 instructions:
Arithmatic Shfit Left (ASL) + set to 1 on overflow
This can be done in 1 using ROtate Left (ROL)
Suggested-by: Nigel Topham <ntopham@synopsys.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
kbuild bot reported that commit 592fa228f2 ("ath9k: remove struct
ath_atx_ac") broke the build when CONFIG_ATH9K_STATION_STATISTICS is y.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 592fa228f2 ("ath9k: remove struct ath_atx_ac")
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
As proposed by Andy Lutomirski create the SysV and the GNU hash
for the vdso objects. This may make some dynamic loaders a bit
faster.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The core to node mapping data consumes about 2 KB bss data. To save memory
for the non-NUMA case, make the data dynamic. In addition change the
"core_to_node" array from "int" to "s32" which saves 1 KB also for the
NUMA case.
Suggested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
__delay is exported by most architectures, and may be used in modules.
Since it is not exported for s390, s390:allmodconfig currently fails
to build with
ERROR: "__delay" [drivers/net/phy/mdio-octeon.ko] undefined!
Fixes: a6d6786452 ("net: mdio-octeon: Modify driver to work on both
ThunderX and Octeon")
Cc: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
Cc: David Daney <david.daney@cavium.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This patch remove unneeded variables used to store return values.
These issues were detected with the Coccinelle script:
scripts/coccinelle/misc/returnvar.cocci
[heiko.carstens@de.ibm.com]: make qeth_l[2/3]_stop() return void
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Remove unneeded semicolon.
The semantic patch that detects this change is available
at scripts/coccinelle/misc/semicolon.cocci.
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Since we are already protected by the "sched_domains_mutex" lock, we can
safely remove the topology lock.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-08-05
This series contains updates to i40e, i40evf and e1000e.
Anjali adds support for x772 devices to i40e and i40evf. With the added
support, x772 supports offloading of the outer UDP transmit and receive
checksum for tunneled packets. Also supports evicting ATR filters in the
hardware, so update the driver with this new feature set.
Raanan provides several fixes for e1000e, first rectifies the Energy
Efficient Ethernet in Sx code so that it only applies to parts that
actually support EEE in Sx. Fix whitespace and moved ICH8 related define
to the proper context. Fixed the ASPM locking which was reported by
Bjorn Helgaas. Fix a workaround implementation for systime which could
experience a large non-linear increment of the systime value when
checking for overflow.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
virtio declares support for NETIF_F_FRAGLIST, but assumes
that there are at most MAX_SKB_FRAGS + 2 fragments which isn't
always true with a fraglist.
A longer fraglist in the skb will make the call to skb_to_sgvec overflow
the sg array, leading to memory corruption.
Drop NETIF_F_FRAGLIST so we only get what we can handle.
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The patch b1c17215d7: "stmmac: add ipq806x glue layer", leads to the
following static checker warning:
.../stmmac/dwmac-ipq806x.c:314 ipq806x_gmac_probe()
warn: double left shift '1 << (1 << gmac->id)'
The NSS_COMMON_CLK_SRC_CTRL_OFFSET macro is used once as an offset, and
once as a mask, which is a bug indeed. We'll fix it by defining the
offset as the real offset value and computing the mask from it when
required.
Tested on IPQ806x ref designs AP148 & DB149.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
User visible:
- IPC and cycle accounting in 'perf annotate' (Andi Kleen)
- Display cycles in branch sort mode in 'perf report' (Andi Kleen)
- Add total time column to 'perf trace' syscall stats summary (Milian Woff)
Infrastructure:
- PMU helpers to use in Intel PT (Adrian Hunter)
- Fix perf-with-kcore script not to split args with spaces (Adrian Hunter)
- Add empty Build files for some more architectures (Ben Hutchings)
- Move 'perf stat' config variables to a struct to allow using some
of its functions in more places (Jiri Olsa)
- Add DWARF register names for 'xtensa' arch (Max Filippov)
- Implement BPF programs attached to uprobes (Wang Nan)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
User visible changes:
- IPC and cycle accounting in 'perf annotate'. (Andi Kleen)
- Display cycles in branch sort mode in 'perf report'. (Andi Kleen)
- Add total time column to 'perf trace' syscall stats summary. (Milian Woff)
Infrastructure changes:
- PMU helpers to use in Intel PT. (Adrian Hunter)
- Fix perf-with-kcore script not to split args with spaces. (Adrian Hunter)
- Add empty Build files for some more architectures. (Ben Hutchings)
- Move 'perf stat' config variables to a struct to allow using some
of its functions in more places. (Jiri Olsa)
- Add DWARF register names for 'xtensa' arch. (Max Filippov)
- Implement BPF programs attached to uprobes. (Wang Nan)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Prior to this patch, rx buffer size for each rx queue
of an interface is configurable through dts bindings.
But for an interface, the first rx queue's rx buffer
size is always the usual MTU size (plus usual overhead)
and page size for the remaining rx queues (if they are
enabled by specifying a non-zero rx queue depth dts
binding of the corresponding interface). This patch
removes the rx buffer size configuration capability.
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Acked-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As well as for kernels built only for ThunderX ARCH_THUNDERX is also enabled
for kernels which support multiple platforms (such as distro kernels). Thus
"default ARCH_THUNDER" is inappropriate.
I believe default m is equally frowned upon, so remove the line completely
rather than "default m if ARCH_THUNDER".
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Cc: Sunil Goutham <sgoutham@cavium.com>
Cc: Robert Richter <rric@kernel.org>
Cc: Derek Chickles <derek.chickles@caviumnetworks.com>
Cc: Satanand Burla <satananda.burla@caviumnetworks.com>
Cc: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Cc: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Enforcing this flag in RxConfig for the mentioned chips fixes netdev
watchdog issues prepended with AMD IOMMU message(s) like:
AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x001d address=0x0000000000003000 flags=0x0050]
Note that this flag is also set in Realtek's own driver for these chips.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Tested-by: Alexander Lindqvist <alexander@bitspace.se>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The attribute size wasn't accounted for in the get_slave_size() callback
(br_port_get_slave_size) when it was introduced, so fix it now. Also add
a policy entry for it in br_port_policy.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: 842a9ae08a ("bridge: Extend Proxy ARP design to allow optional rules for Wi-Fi")
Signed-off-by: David S. Miller <davem@davemloft.net>
The attribute size wasn't accounted for in the get_slave_size() callback
(br_port_get_slave_size) when it was introduced, so fix it now. Also add
a policy entry for it in br_port_policy.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: 958501163d ("bridge: Add support for IEEE 802.11 Proxy ARP")
Signed-off-by: David S. Miller <davem@davemloft.net>
* a fix for the stuck TFD queue mechanism - it was producing
noisy false alarms
* a fix for the NIC prepare flow that prevented the driver
from being able to access the device on certain systems
* a fix for the scan prority handling which allows the
regular scan to run even if a scheduled scan is already
running
rsi:
* fix firmware load DMA regression
b43:
* fix extpa_gain check for 2GHz
rtlwifi:
* fix NULL dereference when PCI driver used as an AP
* add missing module parameter declaration for rtl8723be_mod_params.msi_support
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Merge tag 'wireless-drivers-for-davem-2015-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
iwlwifi:
* a fix for the stuck TFD queue mechanism - it was producing
noisy false alarms
* a fix for the NIC prepare flow that prevented the driver
from being able to access the device on certain systems
* a fix for the scan prority handling which allows the
regular scan to run even if a scheduled scan is already
running
rsi:
* fix firmware load DMA regression
b43:
* fix extpa_gain check for 2GHz
rtlwifi:
* fix NULL dereference when PCI driver used as an AP
* add missing module parameter declaration for rtl8723be_mod_params.msi_support
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 1fbe4b46ca "net: pktgen: kill the Wait for kthread_stop
code in pktgen_thread_worker()" removed (in particular) the final
__set_current_state(TASK_RUNNING) and I didn't notice the previous
set_current_state(TASK_INTERRUPTIBLE). This triggers the warning
in __might_sleep() after return.
Afaics, we can simply remove both set_current_state()'s, and we
could do this a long ago right after ef87979c27 "pktgen: better
scheduler friendliness" which changed pktgen_thread_worker() to
use wait_event_interruptible_timeout().
Reported-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The pr_debug family of functions turns into a no-op when -DDEBUG is not
specified, opting instead to call "no_printk", which gets compiled to a
no-op (but retains gcc's nice warnings about printf-style arguments).
The problem with net_dbg_ratelimited is that it is defined to be a
variant of net_ratelimited_function, which expands to essentially:
if (net_ratelimit())
pr_debug(fmt, ...);
When DEBUG is not defined, then this becomes,
if (net_ratelimit())
;
This seems benign, except it isn't. Firstly, there's the obvious
overhead of calling net_ratelimit needlessly, which does quite some book
keeping for the rate limiting. Given that the pr_debug and
net_dbg_ratelimited family of functions are sprinkled liberally through
performance critical code, with developers assuming they'll be compiled
out to a no-op most of the time, we certainly do not want this needless
book keeping. Secondly, and most visibly, even though no debug message
is printed when DEBUG is not defined, if there is a flood of
invocations, dmesg winds up peppered with messages such as
"net_ratelimit: 320 callbacks suppressed". This is because our
aforementioned net_ratelimit() function actually prints this text in
some circumstances. It's especially odd to see this when there isn't any
other accompanying debug message.
So, in sum, it doesn't make sense to have this function's current
behavior, and instead it should match what every other debug family of
functions in the kernel does with !DEBUG -- nothing.
This patch replaces calls to net_dbg_ratelimited when !DEBUG with
no_printk, keeping with the idiom of all the other debug print helpers.
Also, though not strictly neccessary, it guards the call with an if (0)
so that all evaluation of any arguments are sure to be compiled out.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Waking the dealloc thread before decrementing inflight_packets is racy
because it means the thread may go to sleep before inflight_packets is
decremented. If kthread_stop() has already been called, the dealloc
thread may wait forever with nothing to wake it. Instead, wake the
thread only after decrementing inflight_packets.
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I managed to mess up omap3 power domain operations with commit
7c80a3f89c ("ARM: OMAP2+: Add custom prwdm_operations for 81xx
to support dm814x"), by default we should keep on using the
omap3_pwrdm_operations, only 81xx needs custom handling.
This causes omap3 PM to break so we won't hit off mode any longer
causing idle power consumption go up from less than 10mW to over
50 mW.
Fixs: 7c80a3f89c ("ARM: OMAP2+: Add custom prwdm_operations for
81xx to support dm814x")
Signed-off-by: Tony Lindgren <tony@atomide.com>
We can only use the madc to check for 'ac' availability if the madc has
been compiled in. If not: assume always using USB.
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: NeilBrown <neil@brown.name>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This patch adds null dev check for the 'cfg->rc_via_table ==
NEIGH_LINK_TABLE or dev_get_by_index() failed' case
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nicolas Schichan says:
====================
test_bpf improvements
Please find below the patch series with my latest changes to test_bpf.
The first patch checks for unexpected NULL generated skbs before
running the filter.
The second patch adds the possibility for tests to generate fragmented
skbs.
The third patch tests LD_ABS and LD_IND on fragmented skbs.
The fourth patch adds the possibility to restrict the tests being run
by specifying the name/id/range of the test(s) to run via module
parameters.
The fifth patch tests LD_ABS and LD_IND on non fragmented skbs with
various sizes and alignments.
The sixth and final patch checks that the interpreter or JIT correctly
resets A and X to 0.
This serie is against today's net-next tree.
Changes in V2:
* move declaration of 'ptr' in if() block in patch 2/6.
* fix various typos in patch 4/6
* rework default init of test_range array and cleanup exclude_test()
return condition in patch 4/6.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
It is mandatory for the JIT or interpreter to reset the A and X
registers to 0 before running the filter. Check that it is the case on
various ALU and JMP instructions.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This exerces the LD_ABS and LD_IND instructions for various sizes and
alignments. This also checks that X when used as an offset to a
BPF_IND instruction first in a filter is correctly set to 0.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
When developping on the interpreter or a particular JIT, it can be
interesting to restrict the tests list to a specific test or a
particular range of tests.
This patch adds the following module parameters to the test_bpf module:
* test_name=<string>: only the specified named test will be run.
* test_id=<number>: only the test with the specified id will be run
(see the output of test_bpf without parameters to get the test id).
* test_range=<number>,<number>: only the tests within IDs in the
specified id range are run (see the output of test_bpf without
parameters to get the test ids).
Any invalid range, test id or test name will result in -EINVAL being
returned and no tests being run.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These new tests exercise various load sizes and offsets crossing the
head/fragment boundary.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This introduce a new test->aux flag (FLAG_SKB_FRAG) to tell the
populate_skb() function to add a fragment to the test skb containing
the data specified in test->frag_data).
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
