- Fix probing of precise_ip level for default cycles event, that
got broken recently on x86_64 when its arch code started
considering invalid requesting precise samples when not sampling
(i.e. when attr.sample_period == 0).
This also fixes another problem in s/390 where the precision
probing with sample_period == 0 returned precise_ip > 0, that
then, when setting up the real cycles event (not probing) would
return EOPNOTSUPP for precise_ip > 0 (as determined previously
by probing) and sample_period > 0.
These problems resulted in attr_precise not being set to the
highest precision available on x86.64 when no event was specified,
i.e. the canonical:
perf record ./workload
would end up using attr.precise_ip = 0. As a workaround this would
need to be done:
perf record -e cycles:P ./workload
And on s/390 it would plain not work, requiring using:
perf record -e cycles ./workload
as a workaround. (Arnaldo Carvalho de Melo)
- Fix perf build with ARCH=x86_64, when ARCH should be transformed
into ARCH=x86, just like with the main kernel Makefile and
tools/objtool's, i.e. use SRCARCH. (Jiada Wang)
- Avoid accessing uninitialized data structures when unwinding with
elfutils's libdw, making it more closely mimic libunwind's unwinder.
(Milian Wolff)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-4.12-20170616' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
- Fix probing of precise_ip level for default cycles event, that
got broken recently on x86_64 when its arch code started
considering invalid requesting precise samples when not sampling
(i.e. when attr.sample_period == 0).
This also fixes another problem in s/390 where the precision
probing with sample_period == 0 returned precise_ip > 0, that
then, when setting up the real cycles event (not probing) would
return EOPNOTSUPP for precise_ip > 0 (as determined previously
by probing) and sample_period > 0.
These problems resulted in attr_precise not being set to the
highest precision available on x86.64 when no event was specified,
i.e. the canonical:
perf record ./workload
would end up using attr.precise_ip = 0. As a workaround this would
need to be done:
perf record -e cycles:P ./workload
And on s/390 it would plain not work, requiring using:
perf record -e cycles ./workload
as a workaround. (Arnaldo Carvalho de Melo)
- Fix perf build with ARCH=x86_64, when ARCH should be transformed
into ARCH=x86, just like with the main kernel Makefile and
tools/objtool's, i.e. use SRCARCH. (Jiada Wang)
- Avoid accessing uninitialized data structures when unwinding with
elfutils's libdw, making it more closely mimic libunwind's unwinder.
(Milian Wolff)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This series provide some updates and cleanups for mlx5 core and netdevice
driver.
From Eli Cohen, add a missing event string.
From Or Gerlitz, some checkpatch cleanups.
From Moni, Disalbe HW level LAG when SRIOV is enabled.
From Tariq, A code reuse cleanup in aRFS flow.
From Itay Aveksis, Typo fix.
From Gal Pressman, ethtool statistics updates and "update stats" deferred work optimizations.
From Majd Dibbiny, Fast unload support on kernel shutdown.
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Merge tag 'mlx5-updates-2017-06-16' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox mlx5 updates and cleanups 2017-06-16
mlx5-updates-2017-06-16
This series provide some updates and cleanups for mlx5 core and netdevice
driver.
From Eli Cohen, add a missing event string.
From Or Gerlitz, some checkpatch cleanups.
From Moni, Disalbe HW level LAG when SRIOV is enabled.
From Tariq, A code reuse cleanup in aRFS flow.
From Itay Aveksis, Typo fix.
From Gal Pressman, ethtool statistics updates and "update stats" deferred work optimizations.
From Majd Dibbiny, Fast unload support on kernel shutdown.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Similarly to how cross-chip VLAN works, define a bitmap of multicast
group members for a switch, now including its DSA ports, so that
multicast traffic can be sent to all switches of the fabric.
A switch may drop the frames if no user port is a member.
This brings support for multicast in a multi-chip environment.
As of now, all switches of the fabric must support the multicast
operations in order to program a single fabric port.
Reported-by: Jason Cobham <jcobham@questertangent.com>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Tested-by: Jason Cobham <jcobham@questertangent.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When booting into the kdump/kexec kernel, pHyp and vios
are not prepared for the initialization crq request and
a failover transport event is generated. This is not
handled correctly.
At this point in initialization the driver is still in
the 'probing' state and cannot handle a full reset of the
driver as is normally done for a failover transport event.
To correct this we catch driver resets while still in the
'probing' state and return EAGAIN. This results in the
driver tearing down the main crq and calling ibmvnic_init()
again.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Until now clk81 was used as gate clock for the ethernet controller on
Meson8 whereas Meson8b did not configure a gate clock at all. Use
CLKID_ETH for both SoCs, which is the real gate clock for the ethernet
controller.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Amlogic's Meson8b SoC has a Snoop Control Unit (SCU), just like many
other Cortex-A5 SoCs. Add the corresponding devicetree node so it can be
used during SMP boot.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This adds the DWC2 USB controller nodes and the corresponding USB2 PHY
nodes to meson.dtsi (as the same - or at least a very similar) IP block
is used on all SoCs (at the same physical address).
Additionally meson8.dtsi and meson8b.dtsi add the required clocks to the
DWC2 and USB2 PHY nodes, otherwise the DWC2 controller cannot be
initialized by the dwc2 driver.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
All supported Meson SoCs have a random number generator in CBUS.
Newer SoCs (GXBB, GXL and GXM) provide only one 32-bit random number
register, whereas the older SoCs (Meson6, Meson8 and Meson8b) have two
32-bit random number registers. The existing meson-rng driver only
supports the lower 32-bit - but it still works fine on the older SoCs
apart from this small limitation.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
There seem to be two memory regions that need to be reserved, otherwise
the system just hangs when running:
$ stress --vm-bytes $(awk '/MemFree/{printf "%d\n", $2 * 0.9;}' < /proc/meminfo)k \
--vm-keep -m 1
The first memory region is really crucial and without it the system
hangs. I could not find any references to this in Amlogic's GPL kernel
sources.
The second region is used by the "suspend firmware". The u-boot sources
(/arch/arm/cpu/aml_meson/m8/firmwareld.c) state that the suspend
firmware is located at "64M + 15M" which matches CONFIG_MESON_SUSPEND in
the Amlogic GPL kernel sources. The "suspend firmware" is responsible
for waking up the system from suspend state.
This also fixes reading the full SD card as without this the system
would simply hang (probably related to the first memory region, if some
buffer is allocated there).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This adds the SAR ADC to meson.dtsi and configures the clocks on Meson8
and Meson8b to allow boards to use it. Some boards use it to connect a
button to it.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This adds the definition of the PWM_E (CBUS) and PWM_F (AOBUS) to
meson8.dtsi, allowing devices to use them. PWM_E can be used on some
devices to generate the 32.768kHz clock for the SDIO wifi module, while
PWM_F can be used to control the power LED.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This makes meson.dtsi easier to read as we are not using magic numbers
for the GIC interrupt type (GIC_SPI) and the interrupt polarity
(IRQ_TYPE_EDGE_RISING).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This replaces the "/include/" syntax with the "#include" syntax in all
Amlogic Meson .dts and .dtsi files. That is required to use preprocessor
defines (like GIC_SPI and IRQ_TYPE_EDGE_RISING) in meson.dtsi (all files
which directly or indirectly include meson.dtsi need to use the
"#include" syntax, otherwise the .dts files cannot be compiled).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The IR receiver pins are currently defined in the CBUS pin-controller.
However the pins are in the AO region, which is controlled by the AOBUS
pin-controller. Move the pins to pinctrl_aobus so they can actually be
used.
Fixes: b60e1157d8 ("ARM: dts: amlogic: Split pinctrl device for Meson8 / Meson8b")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The value for spare spot of sb->dev_roles is changed from
MD_DISK_ROLE_FAULTY to MD_DISK_ROLE_SPARE to keep align
with the value when the superblock is firstly created in
userspace.
Signed-off-by: Lidong Zhong <lzhong@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
The "bio" is not used in sync_request_write after commit a68e587035
("md/raid1: split out two sub-functions from sync_request_write").
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
We need to test FailFast flag for replacement device here
since the set up for writing is for the replacement, so we
need fix it like:
- if (test_bit(FailFast, &conf->mirrors[d].rdev->flags))
+ if (test_bit(FailFast, &conf->mirrors[d].replacement->flags))
Since commit f90145f317 ("md/raid10: add rcu protection
to rdev access in raid10_sync_request.") had added the rcu
protection for the part, so let's extend the range protected
by rcu and use rdev directly.
Fixes: 1919cbb ("md/raid10: add failfast handling for writes.")
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
In the existing dn_route.c code, dn_route_output_slow() takes
dst->__refcnt before calling dn_insert_route() while dn_route_input_slow()
does not take dst->__refcnt before calling dn_insert_route().
This makes the whole routing code very buggy.
In dn_dst_check_expire(), dnrt_free() is called when rt expires. This
makes the routes inserted by dn_route_output_slow() not able to be
freed as the refcnt is not released.
In dn_dst_gc(), dnrt_drop() is called to release rt which could
potentially cause the dst->__refcnt to be dropped to -1.
In dn_run_flush(), dst_free() is called to release all the dst. Again,
it makes the dst inserted by dn_route_output_slow() not able to be
released and also, it does not wait on the rcu and could potentially
cause crash in the path where other users still refer to this dst.
This patch makes sure both input and output path do not take
dst->__refcnt before calling dn_insert_route() and also makes sure
dnrt_free()/dst_free() is called when removing dst from the hash table.
The only difference between those 2 calls is that dnrt_free() waits on
the rcu while dst_free() does not.
Signed-off-by: Wei Wang <weiwan@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the existing dn_route.c code, dn_route_output_slow() takes
dst->__refcnt before calling dn_insert_route() while dn_route_input_slow()
does not take dst->__refcnt before calling dn_insert_route().
This makes the whole routing code very buggy.
In dn_dst_check_expire(), dnrt_free() is called when rt expires. This
makes the routes inserted by dn_route_output_slow() not able to be
freed as the refcnt is not released.
In dn_dst_gc(), dnrt_drop() is called to release rt which could
potentially cause the dst->__refcnt to be dropped to -1.
In dn_run_flush(), dst_free() is called to release all the dst. Again,
it makes the dst inserted by dn_route_output_slow() not able to be
released and also, it does not wait on the rcu and could potentially
cause crash in the path where other users still refer to this dst.
This patch makes sure both input and output path do not take
dst->__refcnt before calling dn_insert_route() and also makes sure
dnrt_free()/dst_free() is called when removing dst from the hash table.
The only difference between those 2 calls is that dnrt_free() waits on
the rcu while dst_free() does not.
Signed-off-by: Wei Wang <weiwan@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove the FIXME on clk81 mux and add all the documented parents
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Add nodes for the SPICC controller on GX common dtsi, GXBB and
GXL dtsi files.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Only gx related update in this round.
Expose i2s out, spdif out, EE uart gates and SPICC gate.
Un-expose CPU clk which was wrongly copy/pasted from meson8b
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Merge tag 'meson-clk-headers-for-4.13' of git://github.com/BayLibre/clk-meson into v4.13/dt64
First round of amlogic clock headers update for v4.13
Only gx related update in this round.
Expose i2s out, spdif out, EE uart gates and SPICC gate.
Un-expose CPU clk which was wrongly copy/pasted from meson8b
* tag 'meson-clk-headers-for-4.13' of git://github.com/BayLibre/clk-meson:
clk: meson-gxbb: un-export the CPU clock
clk: meson-gxbb: expose UART clocks
clk: meson-gxbb: expose SPICC gate
clk: meson-gxbb: expose spdif master clock
clk: meson-gxbb: expose i2s master clock
clk: meson-gxbb: expose spdif clock gates
Disable master clock by default, and activate
it only when requested.
Signed-off-by: olivier moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Allow peripheral clock enable/disable on regmap accesses.
Signed-off-by: olivier moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Linksys (http://www.linksys.com/us/) is a vendor of networking products
mostly for use by home and small business user. The brand is currently
owned by Belkin International, Inc. (http://www.belkin.com/us/).
The vendor prefix linksys is already used by various supported boards.
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Current simple card driver is supporting widgets on DT,
other simple/audio card drivers will support it.
Encapsulation is one of simple card util's purpose.
Let's use asoc_simple_card_of_parse_widgets
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Current simple card drivers are parsing widgets on each own driver
(only simple-card at this point, but will be supported on all drivers)
Encapsulation is one of simple card util's purpose.
Let's add asoc_simple_card_of_parse_widgets for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Current ak4613 accepts all range of Sampling Rate, but it depends on
inputed master clock. This patch adds hw constraint rule for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Switch to use managed variant of acpi_dev_add_driver_gpios() to simplify
error path and fix potentially wrong assignment if ->probe() fails.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Sowmini Varadhan says:
====================
rds: tcp: misc bug fixes
This series contains 2 bug fixes (patch2, patch3) and one bit of
code cleanup (patch1) identified during database testing
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Each time we get an incoming SYN to the RDS_TCP_PORT, the TCP
layer accepts the connection and then the rds_tcp_accept_one()
callback is invoked to process the incoming connection.
rds_tcp_accept_one() may reject the incoming syn for a number of
reasons, e.g., commit 1a0e100fb2 ("RDS: TCP: Force every connection
to be initiated by numerically smaller IP address"), or because
we are getting spammed by a malicious node that is triggering
a flood of connection attempts to RDS_TCP_PORT. If the incoming
syn is rejected, no data would have been sent on the TCP socket,
and we do not need to be in TIME_WAIT state, so we set linger on
the TCP socket before closing, thereby closing the socket efficiently
with a RST.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Tested-by: Imanti Mendez <imanti.mendez@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Found when testing between sparc and x86 machines on different
subnets, so the address comparison patterns hit the corner cases and
brought out some bugs fixed by this patch.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Tested-by: Imanti Mendez <imanti.mendez@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After commit 1a0e100fb2 ("RDS: TCP: Force every connection to be
initiated by numerically smaller IP address") we no longer need
the logic associated with cp_outgoing, so clean up usage of this
field.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Tested-by: Imanti Mendez <imanti.mendez@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli says:
====================
net: dsa: loop: Driver updates
This patch series updates drivers/net/dsa/dsa_loop.c to provide more useful
coverage of the DSA APIs and how we mangle the CPU ports ethtool statistics
to include its switch-facing port counters.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When a DSA driver implements ethtool statistics, we also override the
master network device's ethtool statistics with the CPU port's
statistics and this has proven to be a possible source of bugs in the
past. Enhance the dsa_loop.c driver to provide statistics under the
forme of ok/error reads and writes from the per-port PHY read/writes.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a simple function that only gets used in the driver's remove
function, inline it there.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
GPIO ACPI mapping table is defined on platform basis. Codec driver
shouldn't have known what platform is using it.
Make codec driver more generic by moving platform code to where it
belongs.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
I2C devices are enumerated by IDs, and not by instances.
Make it clear by using proper module device table for ACPI case.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Tariq Toukan says:
====================
pktgen new parameters
This patchset adds two parameters to the pktgen scripts.
* The first patch adds a parameter to control the number of
packets sent by every pktgen thread.
* The second patch adds a parameter to control the index of
first thread, instead of always starting from cpu 0.
Series generated against net-next commit:
f7aec129a3 rxrpc: Cache the congestion window setting
Thanks,
Tariq.
V2:
* rebased to latest net-next.
* per Jesper's comments on Patch 2, fixed $F_THREAD description
and $L_THREAD evaluation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
