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The dma buffer allocation, etc references a dma_dev device pointer from
the bcma core. In anticipation of removing the bcma requirement for
this driver, these must be changed to not reference that struct. Add a
dma_dev device pointer to the bgmac stuct and reference that instead.
Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bgmac_* print wrappers call dev_* prints with the dev pointer from
the bcma core. In anticipation of removing the bcma requirement for
this driver, these must be changed to not reference that struct. So,
simply change all of the bgmac_* prints to their dev_* counterparts. In
some cases netdev_* prints are more appropriate, so change those as
well.
Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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An important information for the napi_poll tracepoint is knowing
the work done (packets processed) by the napi_poll() call. Add
both the work done and budget, as they are related.
Handle trace_napi_poll() param change in dropwatch/drop_monitor
and in python perf script netdev-times.py in backward compat way,
as python fortunately supports optional parameter handling.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hayes Wang says:
====================
r8152: remove the redundant code
Remove the unnacessary code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no conflict between the work_queue function and
rtl8152_set_speed(), so we don't have to cancel the delayed work in
rtl8152_set_speed().
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 90186af404ad ("r8152: fix lockup when runtime PM is enabled"),
the autoresume wouldn't start the device before rtl8152_open() is finished.
Therefore, we don't have to reset the linking status before and after
autoresume. That is, one of netif_carrier_off() in rtl8152_open() could be
removed.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In rtl_hw_phy_work_func_t(), the flag of PHY_RESET is set in
rtl_ops.hw_phy_cfg() and cleared in rtl8152_set_speed(). Therefore,
the rtl_phy_reset() is never run and is unnecessary.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simon Horman says:
====================
net: support MPLS in IPv4 and UDP
This short series provides support for MPLS in IPv4 (RFC4023), and by
virtue of FOU, MPLS in UDP (RFC7510).
The changes are as follows:
1. Teach tunnel4.c about AF_MPLS, it already understands AF_INET and
AF_INET6
2. Enhance IPIP and SIT to handle MPLS. Both already handle IPv4.
SIT also already handles IPv6.
3. Trivially enhance MPLS to allow routes over SIT and IPIP tunnels.
A corresponding patch set for iproute2 has also been provided.
Changes since v1
* Correct inverted IPIP protocol logic in SIT patch
* Provide usage example below
Sample configuration follows:
* The following creates a tunnel and routes MPLS packets whose outermost
label is 100 over it. The forwarded packets will have the outermost label
stack entry, 100, removed and two label stack entries added, the
outermost having label 200 and the next having label 300.
The local end-point for the tunnel is 10.0.99.192 and the remote
endpoint is 10.0.99.193.
The local address for encapsulated packets is 10.0.98.192 and the
remote address is 10.0.98.193.
# Create an MPLS over IPv4 tunnel using the IPIP driver
ip link add name tun1 type ipip remote 10.0.99.193 local 10.0.99.192 \
ttl 225 mode mplsip
# Bring the tunnel up and an add an IPv4 address and route
ip link set up dev tun1
ip addr add 10.0.98.192/24 dev tun1
# Set MPLS route
# Allow MPLS forwarding of packets recieved on eth0
echo 1 > /proc/sys/net/mpls/conf/eth0/input
# Larger than label to be routed (100)
echo 101 > /proc/sys/net/mpls/platform_labels
ip -f mpls route add 100 as 200/300 via inet 10.0.98.193
* For FOU (in this case MPLS over UDP) a tunnel may created using:
# Packets recieved on UDP port 6635 are MPLS over UDP (IP proto 137)
ip fou add port 6635 ipproto 137
# Create the tunnel netdev
ip link add name tun1 type ipip remote 10.0.99.193 local 10.0.99.192 \
ttl 225 mode mplsip encap fou encap-sport auto encap-dport 6635
IPv4 address, link and route, and MPLS routing commands are as per
the MPLS over IPv4 example
* To use the SIT driver instead of the IPIP driver "ipip" may be substituted
for "sit" in the above examples.
* To create a tunnel that forwards and receives all supported
inner-protocols "mplsip" may be substituted for "any" in the above
examples.
For the IPIP driver this configures both IPv4 and MPLS over IPv4.
For the SIT driver this configures IPv6, IPv4 and MPLS over IPv4.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow MPLS routes on IPIP and SIT devices now that they
support forwarding MPLS packets.
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Dinan Gunawardena <dinan.gunawardena@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend the IPIP driver to support MPLS over IPv4. The implementation is an
extension of existing support for IPv4 over IPv4 and is based of multiple
inner-protocol support for the SIT driver.
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Dinan Gunawardena <dinan.gunawardena@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend the SIT driver to support MPLS over IPv4. This implementation
extends existing support for IPv6 over IPv4 and IPv4 over IPv4.
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Dinan Gunawardena <dinan.gunawardena@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend tunnel support to MPLS over IPv4. The implementation extends the
existing differentiation between IPIP and IPv6 over IPv4 to also cover MPLS
over IPv4.
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Dinan Gunawardena <dinan.gunawardena@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Thomas Falcon says:
====================
ibmvnic driver bugfixes and improvements
Miscellaneous fixes and improvements on the ibmvnic driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In some cases, if there is no VNIC server available during the driver
probe, the driver should wait until it receives an initialization
request from the VNIC Server to start the login process. Recent testing
has show that this is incorrectly handled in the current driver.
The proposed solution handles this initialization request by scheduling
a task in the shared workqueue that completes the login process and
registers the net device.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch creates a function that handles sub-CRQ IRQ creation
separately from sub-CRQ initialization. Another function is then needed
to release sub-CRQ resources prior to sub-CRQ IRQ creation.
These additions allow the driver probe function to be simplified,
specifically during the VNIC Server login process. A timeout is also
included while waiting for completion of the login process in case
the VNIC Server is not available or some other error occurs.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IRQ mappings were not being properly disposed when releasing sub-CRQ's.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since ibmvnic uses multiple tx queues, start and stop all queues when
opening and closing devices.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As was suggested this patch adds support for the different versions of MLD
and IGMP query types. Since the user visible structure is still in net-next
we can augment it instead of adding netlink attributes.
The distinction between the different IGMP/MLD query types is done as
suggested in Section 7.1, RFC 3376 [1] and Section 8.1, RFC 3810 [2] based
on query payload size and code for IGMP. Since all IGMP packets go through
multicast_rcv() and it uses ip_mc_check_igmp/ipv6_mc_check_mld we can be
sure that at least the ip/ipv6 header can be directly used.
[1] https://tools.ietf.org/html/rfc3376#section-7
[2] https://tools.ietf.org/html/rfc3810#section-8.1
Suggested-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The HCI_BREDR naming is confusing since it actually stands for Primary
Bluetooth Controller. Which is a term that has been used in the latest
standard. However from a legacy point of view there only really have
been Basic Rate (BR) and Enhanced Data Rate (EDR). Recent versions of
Bluetooth introduced Low Energy (LE) and made this terminology a little
bit confused since Dual Mode Controllers include BR/EDR and LE. To
simplify this the name HCI_PRIMARY stands for the Primary Controller
which can be a single mode or dual mode controller.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The controller device attributes are not used and expose no valuable
information.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The connection link attributes are not used and expose no valuable
information.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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checkpatch rightfully complains that else after return is unnecessary.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use bool for valid flag and leave it up to the compiler to find
an optimal representation.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Read limit registers only once at startup or after errors to improve
driver performance.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Return both error code and register value as return code from
read functions, and always check for errors.
This reduces code size on x86_64 by more than 1k while at
the same time improving error resiliency.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Since all other cleanup handled with devm_add_action, we can use
devm_hwmon_device_register_with_groups() to register the hwmon
device, and drop the remove function.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use devm_add_action where possible to simplify error handling and
cleanup on remove.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Convert to use regmap. Leave caching to regmap and drop the register
update function. While this can result in additional read operations
if the temperature register is read continuously, it avoids re-reading
the limit registers and thus overall reduces complexity.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Since we know the chip's update interval, let's make it available
to the user.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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lm75_read_value and lm75_write_value don't really add any value.
Replace with direct smbus access functions.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use devm_add_action() to register the function to restore the original
chip configuration. Use devm_hwmon_device_register_with_groups()
to register the hwmon device, and drop the remove function as no
longer needed.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Within the old section hierarchy, all doc parts has been placed under
the introduction, e.g:
* Linux Media Infrastructure API
+ Introduction
- Video for Linux API
- Digital TV API
- ...
With separating the introduction sibling to the other parts
we get a more common section hierarchy:
* Linux Media Infrastructure API
+ Introduction
+ Video for Linux API
+ Digital TV API
+ ...
BTW: compacting the intro text.
This patch is on top of media_tree/docs-next
Signed-off-by: Markus Heiser <markus.heiser@darmarIT.de>
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Converts the dtt200u DVB USB driver over to the rc-core
infrastructure for its handling of IR remotes. This device can receive
generic NEC / NEC Extended signals and the switch to the newer core
enables the easy use of tools such as ir-keytable to modify the active
key map.
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix RC5 decoding with Fintek CIR chipset
Commit e87b540be2dd02552fb9244d50ae8b4e4619a34b tightened up the RC5
decoding by adding a check for trailing silence to ensure a valid RC5
command had been received. Unfortunately the trailer length checked was
10 units and the Fintek CIR device does not want to provide details of a
space longer than 6350us. This meant that RC5 remotes working on a
Fintek setup on 3.16 failed on 3.17 and later. Fix this by shortening
the trailer check to 6 units (allowing for a previous space in the
received remote command).
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=117221
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Cc: stable@vger.kernel.org
Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Better organize the contents of the CEC part, moving the
introduction to chapter 1, placing all ioctls at chapter 2
and numerating all chapters and items.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Adding the header file is interesting for several reasons:
1) It makes MC documentation consistend with other parts;
2) The header file can be used as a quick index to all API
elements;
3) The cross-reference check helps to identify symbols that
aren't documented.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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* topic/cec:
[media] DocBook/media: add CEC documentation
[media] s5p_cec: get rid of an unused var
[media] move s5p-cec to staging
[media] vivid: add CEC emulation
[media] cec: s5p-cec: Add s5p-cec driver
[media] cec: adv7511: add cec support
[media] cec: adv7842: add cec support
[media] cec: adv7604: add cec support
[media] cec: add compat32 ioctl support
[media] cec/TODO: add TODO file so we know why this is still in staging
[media] cec: add HDMI CEC framework (api)
[media] cec: add HDMI CEC framework (adapter)
[media] cec: add HDMI CEC framework (core)
[media] cec-funcs.h: static inlines to pack/unpack CEC messages
[media] cec.h: add cec header
[media] cec-edid: add module for EDID CEC helper functions
[media] cec.txt: add CEC framework documentation
[media] rc: Add HDMI CEC protocol handling
Input: add HDMI CEC specific keycodes
Input: add BUS_CEC type
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Adding the header file is interesting for several reasons:
1) It makes MC documentation consistend with other parts;
2) The header file can be used as a quick index to all API
elements;
3) The cross-reference check helps to identify symbols that
aren't documented.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The function that replace references add a "\ " at the end of
references, to avoid the ReST markup parser to not identify
them as references. That works fine except for the end of lines,
as a sequence of { '\', ' ', '\n' } characters makes Sphinx
to ignore the end of line. So, strip those escape/spaces at the
end of lines.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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cpufeatures.h currently defines X86_BUG(9) twice on 32-bit:
#define X86_BUG_NULL_SEG X86_BUG(9) /* Nulling a selector preserves the base */
...
#ifdef CONFIG_X86_32
#define X86_BUG_ESPFIX X86_BUG(9) /* "" IRET to 16-bit SS corrupts ESP/RSP high bits */
#endif
I think what happened was that this added the X86_BUG_ESPFIX, but
in an #ifdef below most of the bugs:
58a5aac53313 x86/entry/32: Introduce and use X86_BUG_ESPFIX instead of paravirt_enabled
Then this came along and added X86_BUG_NULL_SEG, but collided
with the earlier one that did the bug below the main block
defining all the X86_BUG()s.
7a5d67048745 x86/cpu: Probe the behavior of nulling out a segment at boot time
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave@sr71.net>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20160618001503.CEE1B141@viggo.jf.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Use mrfld as an abbreviation of Merrifield to be consistent with the rest of
the code.
In the future we are going to add more files here prefixed with 'mrfld'.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1466265094-146113-1-git-send-email-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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In current code, we can get cpuacct data from several files,
but each file has various limitations.
For example:
- We can get CPU usage in user and kernel mode via cpuacct.stat,
but we can't get detailed data about each CPU.
- We can get each CPU's kernel mode usage in cpuacct.usage_percpu_sys,
but we can't get user mode usage data at the same time.
This patch introduces cpuacct.usage_all, to show all detailed CPU
accounting data together:
# cat cpuacct.usage_all
cpu user system
0 3809760299 5807968992
1 3250329855 454612211
..
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/7744460969edd7caaf0e903592ee52353ed9bdd6.1466415271.git.zhaolei@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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In cpuacct_stats_show() we currently we have copies of similar code,
for each cpustat(system/user) variant.
Use a loop instead to consolidate the code. This will also work better
if we extend the CPUACCT_STAT_NSTATS type.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/b0597d4224655e9f333f1a6224ed9654c7d7d36a.1466415271.git.zhaolei@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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These two types have similar function, no need to separate them.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/436748885270d64363c7dc67167507d486c2057a.1466415271.git.zhaolei@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Changesets:
eaa0b96bbb65 ("[media] media: Add video statistics computation functions")
and
1179aab13db3 ("[media] media: Add video processing entity functions")
added some new elements to the "media entity types" table at the
DocBook. We need to do the same at the reST version, in order to
keep it in sync with the DocBook version.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Implement memory barriers according to Documentation/circular-buffers.txt:
- use smp_store_release() to update ringbuffer read/write pointers
- use smp_load_acquire() to load write pointer on reader side
- use ACCESS_ONCE() to load read pointer on writer side
This fixes data stream corruptions observed e.g. on an ARM Cortex-A9
quad core system with different types (PCI, USB) of DVB tuners.
Signed-off-by: Soeren Moch <smoch@web.de>
Cc: stable@vger.kernel.org # 3.14+
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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mtk-vcodec/venc_vpu_if.c:40:30: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
struct venc_vpu_inst *vpu = (struct venc_vpu_inst *)msg->venc_inst;
^
Note: venc_inst is u64.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The workqueue "work_thread" is involved in updating parameters for
transfers. It has a single work item(&sd->work) and hence
doesn't require ordering. Also, it is not being used on a memory
reclaim path. Hence, the singlethreaded workqueue has been replaced with
the use of system_wq.
System workqueues have been able to handle high level of concurrency
for a long time now and hence it's not required to have a singlethreaded
workqueue just to gain concurrency. Unlike a dedicated per-cpu workqueue
created with create_singlethread_workqueue(), system_wq allows multiple
work items to overlap executions even on the same CPU; however, a
per-cpu workqueue doesn't have any CPU locality or global ordering
guarantee unless the target CPU is explicitly specified and thus the
increase of local concurrency shouldn't make any difference.
Work item has been flushed in sd_stop0() to ensure that there are no
pending tasks while disconnecting the driver.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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mtk-vcodec/mtk_vcodec_enc.c: In function 'mtk_venc_worker':
mtk-vcodec/mtk_vcodec_enc.c:1030:43: warning: format '%lx' expects argument of type 'long unsigned int', but argument 7 has type 'size_t {aka unsigned int}' [-Wformat=]
mtk-vcodec/mtk_vcodec_enc.c:1030:43: warning: format '%lx' expects argument of type 'long unsigned int', but argument 10 has type 'size_t {aka unsigned int}' [-Wformat=]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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