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* powercap:
PowerCap: Convert class code to use dev_groups
PowerCap: Introduce Intel RAPL power capping driver
bitops: Introduce BIT_ULL
x86 / msr: add 64bit _on_cpu access functions
PowerCap: Add to drivers Kconfig and Makefile
PowerCap: Add class driver
PowerCap: Documentation
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Adding BIT(x) equivalent for unsigned long long type, BIT_ULL(x). Also
added BIT_ULL_MASK and BIT_ULL_WORD.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The power capping framework providing a consistent interface between the
kernel and user space that allows power capping drivers to expose their
settings to user space in a uniform way.
The overall design of the framework is described in the documentation
added by the previous patch in this series.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-video:
ACPI: Add Toshiba NB100 to Vista _OSI blacklist
ACPI / video: Ignore BIOS initial backlight value for HP 250 G1
ACPI / video: Add Lenovo IdeaPad Yoga 13 to acpi video detect blacklist
thinkpad-acpi: fix handle locate for video and query of _BCL
ACPI / video: Do not register backlight if win8 and native interface exists
ACPI / video: seperate backlight control and event interface
backlight: introduce backlight_device_registered
ACPI: add missing win8 OSI comment to blacklist
ACPI: update win8 OSI blacklist
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Introduce a new API for modules to query if a specific type of backlight
device has been registered. This is useful for some backlight device
provider module (e.g. ACPI video) to know if a native control
interface(e.g. the interface created by i915) is available and then do
things accordingly (e.g. avoid registering its own on Win8 systems).
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-pm:
spi: attach/detach SPI device to the ACPI power domain
i2c: attach/detach I2C client device to the ACPI power domain
ACPI / PM: allow child devices to ignore parent power state
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Some serial buses like I2C and SPI don't require that the parent device is
in D0 before any of its children transitions to D0, but instead the parent
device can control its own power independently from the children.
This does not follow the ACPI specification as it requires the parent to be
powered on before its children. However, Windows seems to ignore this
requirement so I think we can do the same in Linux.
Implement this by adding a new power flag 'ignore_parent' to struct
acpi_device. If this flag is set the ACPI core ignores checking of the
parent device power state when the device is powered on/off.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpica:
MAINTAINERS / ACPICA: Add ACPICA information to MAINTAINERS
ACPICA: Update version to 20130823.
ACPICA: SCI Handlers: Update handler interface, eliminate unnecessary argument.
ACPICA: Cleanup exception codes.
ACPICA: Tables: Cleanup RSDP signature codes.
ACPICA: Tables: Cleanup table checksum verification code.
ACPICA: Debugger: Add new command to display full namespace pathnames.
ACPICA: Operation region support: Never free the handler "context" pointer.
ACPICA: Add support for host-installed SCI handlers.
ACPICA: Validate start object for acpi_walk_namespace.
ACPICA: Debugger: Prevent possible command line buffer overflow, kernel behavior is not affected.
ACPICA: Linux-specific header: enable "aarch64" 64-bit build.
ACPICA: Debug output: small formatting update, no functional change.
ACPICA: acpi_read: On error, do not modify the return value target location.
ACPICA: Improve error message for "too many parent prefixes" condition.
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Version 20130823.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The SCI interrupt number is not needed for the SCI handlers, and was
just unnecessary overhead.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch adds AE_ACCESS for EACCES or EPERM. Some error prompts are
also cleaned up in this patch. Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch introduces new macors to handle RSDP signature and cleans up the
affected codes. Lv Zheng.
Some updates are only used for ACPICA utilities which are not shipped in
the kernel yet.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change adds support to allow hosts to install System Control
Interrupt handlers. Certain ACPI functionality requires the host
to handle raw SCIs. For example, the "SCI Doorbell" that is defined
for memory power state support requires the host device driver to
handle SCIs to examine if the doorbell has been activated. Multiple
SCI handlers can be installed to allow for future expansion.
Debugger support is included.
Lv Zheng, Bob Moore. ACPICA BZ 1032.
Bug summary:
It is reported when the PCC (Platform Communication Channel, via
MPST table, defined in ACPI specification 5.0) subchannel responds
to the host, it issues an SCI and the host must probe the subchannel
for channel status.
Buglink: http://bugs.acpica.org/show_bug.cgi?id=1032
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add support for the __aarch64__ define for 64-bit builds.
Signed-off-by: Naresh Bhat <naresh.bhat@linaro.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-hotplug:
ACPI / memhotplug: Use defined marco METHOD_NAME__STA
ACPI / hotplug: Use kobject_init_and_add() instead of _init() and _add()
ACPI / hotplug: Don't set kobject parent pointer explicitly
ACPI / hotplug: Set kobject name via kobject_add(), not kobject_set_name()
hotplug, powerpc, x86: Remove cpu_hotplug_driver_lock()
hotplug / x86: Disable ARCH_CPU_PROBE_RELEASE on x86
hotplug / x86: Add hotplug lock to missing places
hotplug / x86: Fix online state in cpu0 debug interface
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cpu_hotplug_driver_lock() serializes CPU online/offline operations
when ARCH_CPU_PROBE_RELEASE is set. This lock interface is no longer
necessary with the following reason:
- lock_device_hotplug() now protects CPU online/offline operations,
including the probe & release interfaces enabled by
ARCH_CPU_PROBE_RELEASE. The use of cpu_hotplug_driver_lock() is
redundant.
- cpu_hotplug_driver_lock() is only valid when ARCH_CPU_PROBE_RELEASE
is defined, which is misleading and is only enabled on powerpc.
This patch removes the cpu_hotplug_driver_lock() interface. As
a result, ARCH_CPU_PROBE_RELEASE only enables / disables the cpu
probe & release interface as intended. There is no functional change
in this patch.
Signed-off-by: Toshi Kani <toshi.kani@hp.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-processor:
ACPI / processor: fixed a brace coding style issue
ACPI / processor: Remove outdated comments
ACPI / processor: remove unnecessary if (!pr) check
ACPI / processor: remove some dead code in acpi_processor_get_info()
x86 / ACPI: simplify _acpi_map_lsapic()
ACPI / processor: use apic_id and remove duplicated _MAT evaluation
ACPI / processor: Introduce apic_id in struct processor to save parsed APIC id
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Since APIC id is saved in processor struct, just use it and
remove the duplicated _MAT evaluation.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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For cpu hot add, we evaluate _MAT or parse MADT twice to get APIC id,
here is the code logic:
acpi_processor_add()
acpi_processor_get_info()
acpi_get_cpuid() will evaluate _MAT or parse MADT;
acpi_processor_hotadd_init()
acpi_map_lsapic() will evaluate _MAT again;
This can be done more effectively, this patch introduces apic_id in struct
processor to save parsed APIC id, and then we can use it and remove the
duplicated _MAT evaluation.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull SCSI target fixes from Nicholas Bellinger:
"Here are the outstanding target pending fixes for v3.12-rc7.
This includes a number of EXTENDED_COPY related fixes as a result of
Thomas and Doug's continuing testing and feedback.
Also included is an important vhost/scsi fix that addresses a long
standing issue where the 'write' parameter for get_user_pages_fast()
was incorrectly set for virtio-scsi WRITEs -> DMA_TO_DEVICE, and not
for virtio-scsi READs -> DMA_FROM_DEVICE.
This resulted in random userspace segfaults and other unpleasantness
on KVM host, and unfortunately has been an issue since the initial
merge of vhost/scsi in v3.6. This patch is CC'ed to stable, along
with two other less critical items"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
vhost/scsi: Fix incorrect usage of get_user_pages_fast write parameter
target/pscsi: fix return value check
target: Fail XCOPY for non matching source + destination block_size
target: Generate failure for XCOPY I/O with non-zero scsi_status
target: Add missing XCOPY I/O operation sense_buffer
iser-target: check device before dereferencing its variable
target: Return an error for WRITE SAME with ANCHOR==1
target: Fix assignment of LUN in tracepoints
target: Reject EXTENDED_COPY when emulate_3pc is disabled
target: Allow non zero ListID in EXTENDED_COPY parameter list
target: Make target_do_xcopy failures return INVALID_PARAMETER_LIST
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The unpacked_lun field in the SCSI target tracepoints should be
initialized with cmd->orig_fe_lun rather than cmd->se_lun->unpacked_lun
for two reasons:
- most importantly, if we are in the cmd_complete tracepoint
returning a check condition due to no LUN found, cmd->se_lun will
be NULL and we'll crash trying to dereference it.
- also, in any case, cmd->se_lun->unpacked_lun is an internal index
into the target's internal set of LUNs; cmd->orig_fe_lun is much
more useful and interesting, since it's the value the initiator
actually sent.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: <stable@vger.kernel.org> # 3.11+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband bugfix from Roland Dreier:
"Disable not-quite-ready userspace ABI for IB flow steering"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/core: Temporarily disable create_flow/destroy_flow uverbs
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The create_flow/destroy_flow uverbs and the associated extensions to
the user-kernel verbs ABI are under review and are too experimental to
freeze at this point.
So userspace is not exposed to experimental features and an uinstable
ABI, temporarily disable this for v3.12 (with a Kconfig option behind
staging to reenable it if desired).
The feature will be enabled after proper cleanup for v3.13.
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Link: http://marc.info/?i=cover.1381351016.git.ydroneaud@opteya.com
Link: http://marc.info/?i=cover.1381177342.git.ydroneaud@opteya.com
[ Add a Kconfig option to reenable these verbs. - Roland ]
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Pull networking fixes from David Miller:
"Sorry I let so much accumulate, I was in Buffalo and wanted a few
things to cook in my tree for a while before sending to you. Anyways,
it's a lot of little things as usual at this stage in the game"
1) Make bonding MAINTAINERS entry reflect reality, from Andy
Gospodarek.
2) Fix accidental sock_put() on timewait mini sockets, from Eric
Dumazet.
3) Fix crashes in l2tp due to mis-handling of ipv4 mapped ipv6
addresses, from François CACHEREUL.
4) Fix heap overflow in __audit_sockaddr(), from the eagle eyed Dan
Carpenter.
5) tcp_shifted_skb() doesn't take handle FINs properly, from Eric
Dumazet.
6) SFC driver bug fixes from Ben Hutchings.
7) Fix TX packet scheduling wedge after channel change in ath9k driver,
from Felix Fietkau.
8) Fix user after free in BPF JIT code, from Alexei Starovoitov.
9) Source address selection test is reversed in
__ip_route_output_key(), fix from Jiri Benc.
10) VLAN and CAN layer mis-size netlink attributes, from Marc
Kleine-Budde.
11) Fix permission checks in sysctls to use current_euid() instead of
current_uid(). From Eric W Biederman.
12) IPSEC policies can go away while a timer is still pending for them,
add appropriate ref-counting to fix, from Steffen Klassert.
13) Fix mis-programming of FDR and RMCR registers on R8A7740 sh_eth
chips, from Nguyen Hong Ky and Simon Horman.
14) MLX4 forgets to DMA unmap pages on RX, fix from Amir Vadai.
15) IPV6 GRE tunnel MTU upper limit is miscalculated, from Oussama
Ghorbel.
16) Fix typo in fq_change(), we were assigning "initial quantum" to
"quantum". From Eric Dumazet.
17) Set a more appropriate sk_pacing_rate for non-TCP sockets, otherwise
FQ packet scheduler does not pace those flows properly. Also from
Eric Dumazet.
18) rtlwifi miscalculates packet pointers, from Mark Cave-Ayland.
19) l2tp_xmit_skb() can be called from process context, not just softirq
context, so we must always make sure to BH disable around it. From
Eric Dumazet.
20) On qdisc reset, we forget to purge the RB tree of SKBs in netem
packet scheduler. From Stephen Hemminger.
21) Fix info leak in farsync WAN driver ioctl() handler, from Dan
Carpenter and Salva Peiró.
22) Fix PHY reset and other issues in dm9000 driver, from Nikita
Kiryanov and Michael Abbott.
23) When hardware can do SCTP crc32 checksums, we accidently don't
disable the csum offload when IPSEC transformations have been
applied. From Fan Du and Vlad Yasevich.
24) Tail loss probing in TCP leaves the socket in the wrong congestion
avoidance state. From Yuchung Cheng.
25) In CPSW driver, enable NAPI before interrupts are turned on, from
Markus Pargmann.
26) Integer underflow and dual-assignment in YAM hamradio driver, from
Dan Carpenter.
27) If we are going to mangle a packet in tcp_set_skb_tso_segs() we must
unclone it. This fixes various hard to track down crashes in
drivers where the SKBs ->gso_segs was changing right from underneath
the driver during TX queueing. From Eric Dumazet.
28) Fix the handling of VLAN IDs, and in particular the special IDs 0
and 4095, in the bridging layer. From Toshiaki Makita.
29) Another info leak, this time in wanxl WAN driver, from Salva Peiró.
30) Fix race in socket credential passing, from Daniel Borkmann.
31) WHen NETLABEL is disabled, we don't validate CIPSO packets properly,
from Seif Mazareeb.
32) Fix identification of fragmented frames in ipv4/ipv6 UDP
Fragmentation Offload output paths, from Jiri Pirko.
33) Virtual Function fixes in bnx2x driver from Yuval Mintz and Ariel
Elior.
34) When we removed the explicit neighbour pointer from ipv6 routes a
slight regression was introduced for users such as IPVS, xt_TEE, and
raw sockets. We mix up the users requested destination address with
the routes assigned nexthop/gateway. From Julian Anastasov and
Simon Horman.
35) Fix stack overruns in rt6_probe(), the issue is that can end up
doing two full packet xmit paths at the same time when emitting
neighbour discovery messages. From Hannes Frederic Sowa.
36) davinci_emac driver doesn't handle IFF_ALLMULTI correctly, from
Mariusz Ceier.
37) Make sure to set TCP sk_pacing_rate after the first legitimate RTT
sample, from Neal Cardwell.
38) Wrong netlink attribute passed to xfrm_replay_verify_len(), from
Steffen Klassert.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (152 commits)
ax88179_178a: Add VID:DID for Samsung USB Ethernet Adapter
ax88179_178a: Correct the RX error definition in RX header
Revert "bridge: only expire the mdb entry when query is received"
tcp: initialize passive-side sk_pacing_rate after 3WHS
davinci_emac.c: Fix IFF_ALLMULTI setup
mac802154: correct a typo in ieee802154_alloc_device() prototype
ipv6: probe routes asynchronous in rt6_probe
netfilter: nf_conntrack: fix rt6i_gateway checks for H.323 helper
ipv6: fill rt6i_gateway with nexthop address
ipv6: always prefer rt6i_gateway if present
bnx2x: Set NETIF_F_HIGHDMA unconditionally
bnx2x: Don't pretend during register dump
bnx2x: Lock DMAE when used by statistic flow
bnx2x: Prevent null pointer dereference on error flow
bnx2x: Fix config when SR-IOV and iSCSI are enabled
bnx2x: Fix Coalescing configuration
bnx2x: Unlock VF-PF channel on MAC/VLAN config error
bnx2x: Prevent an illegal pointer dereference during panic
bnx2x: Fix Maximum CoS estimation for VFs
drivers: net: cpsw: fix kernel warn during iperf test with interrupt pacing
...
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This has no other impact than a cosmetic one.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure rt6i_gateway contains nexthop information in
all routes returned from lookup or when routes are directly
attached to skb for generated ICMP packets.
The effect of this patch should be a faster version of
rt6_nexthop() and the consideration of local addresses as
nexthop.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In v3.9 6fd6ce2056de2709 ("ipv6: Do not depend on rt->n in
ip6_finish_output2()." changed the behaviour of ip6_finish_output2()
such that the recently introduced rt6_nexthop() is used
instead of an assigned neighbor.
As rt6_nexthop() prefers rt6i_gateway only for gatewayed
routes this causes a problem for users like IPVS, xt_TEE and
RAW(hdrincl) if they want to use different address for routing
compared to the destination address.
Another case is when redirect can create RTF_DYNAMIC
route without RTF_GATEWAY flag, we ignore the rt6i_gateway
in rt6_nexthop().
Fix the above problems by considering the rt6i_gateway if
present, so that traffic routed to address on local subnet is
not wrongly diverted to the destination address.
Thanks to Simon Horman and Phil Oester for spotting the
problematic commit.
Thanks to Hannes Frederic Sowa for his review and help in testing.
Reported-by: Phil Oester <kernel@linuxace.com>
Reported-by: Mark Brooks <mark@loadbalancer.org>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When CONFIG_NETLABEL is disabled, the cipso_v4_validate() function could loop
forever in the main loop if opt[opt_iter +1] == 0, this will causing a kernel
crash in an SMP system, since the CPU executing this function will
stall /not respond to IPIs.
This problem can be reproduced by running the IP Stack Integrity Checker
(http://isic.sourceforge.net) using the following command on a Linux machine
connected to DUT:
"icmpsic -s rand -d <DUT IP address> -r 123456"
wait (1-2 min)
Signed-off-by: Seif Mazareeb <seif@marvell.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We cap bitrate at YAM_MAXBITRATE in yam_ioctl(), but it could also be
negative. I don't know the impact of using a negative bitrate but let's
prevent it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dst->xfrm is conditionally defined. Provide accessor funtion that
is always available.
Signed-off-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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on x86 system with net.core.bpf_jit_enable = 1
sudo tcpdump -i eth1 'tcp port 22'
causes the warning:
[ 56.766097] Possible unsafe locking scenario:
[ 56.766097]
[ 56.780146] CPU0
[ 56.786807] ----
[ 56.793188] lock(&(&vb->lock)->rlock);
[ 56.799593] <Interrupt>
[ 56.805889] lock(&(&vb->lock)->rlock);
[ 56.812266]
[ 56.812266] *** DEADLOCK ***
[ 56.812266]
[ 56.830670] 1 lock held by ksoftirqd/1/13:
[ 56.836838] #0: (rcu_read_lock){.+.+..}, at: [<ffffffff8118f44c>] vm_unmap_aliases+0x8c/0x380
[ 56.849757]
[ 56.849757] stack backtrace:
[ 56.862194] CPU: 1 PID: 13 Comm: ksoftirqd/1 Not tainted 3.12.0-rc3+ #45
[ 56.868721] Hardware name: System manufacturer System Product Name/P8Z77 WS, BIOS 3007 07/26/2012
[ 56.882004] ffffffff821944c0 ffff88080bbdb8c8 ffffffff8175a145 0000000000000007
[ 56.895630] ffff88080bbd5f40 ffff88080bbdb928 ffffffff81755b14 0000000000000001
[ 56.909313] ffff880800000001 ffff880800000000 ffffffff8101178f 0000000000000001
[ 56.923006] Call Trace:
[ 56.929532] [<ffffffff8175a145>] dump_stack+0x55/0x76
[ 56.936067] [<ffffffff81755b14>] print_usage_bug+0x1f7/0x208
[ 56.942445] [<ffffffff8101178f>] ? save_stack_trace+0x2f/0x50
[ 56.948932] [<ffffffff810cc0a0>] ? check_usage_backwards+0x150/0x150
[ 56.955470] [<ffffffff810ccb52>] mark_lock+0x282/0x2c0
[ 56.961945] [<ffffffff810ccfed>] __lock_acquire+0x45d/0x1d50
[ 56.968474] [<ffffffff810cce6e>] ? __lock_acquire+0x2de/0x1d50
[ 56.975140] [<ffffffff81393bf5>] ? cpumask_next_and+0x55/0x90
[ 56.981942] [<ffffffff810cef72>] lock_acquire+0x92/0x1d0
[ 56.988745] [<ffffffff8118f52a>] ? vm_unmap_aliases+0x16a/0x380
[ 56.995619] [<ffffffff817628f1>] _raw_spin_lock+0x41/0x50
[ 57.002493] [<ffffffff8118f52a>] ? vm_unmap_aliases+0x16a/0x380
[ 57.009447] [<ffffffff8118f52a>] vm_unmap_aliases+0x16a/0x380
[ 57.016477] [<ffffffff8118f44c>] ? vm_unmap_aliases+0x8c/0x380
[ 57.023607] [<ffffffff810436b0>] change_page_attr_set_clr+0xc0/0x460
[ 57.030818] [<ffffffff810cfb8d>] ? trace_hardirqs_on+0xd/0x10
[ 57.037896] [<ffffffff811a8330>] ? kmem_cache_free+0xb0/0x2b0
[ 57.044789] [<ffffffff811b59c3>] ? free_object_rcu+0x93/0xa0
[ 57.051720] [<ffffffff81043d9f>] set_memory_rw+0x2f/0x40
[ 57.058727] [<ffffffff8104e17c>] bpf_jit_free+0x2c/0x40
[ 57.065577] [<ffffffff81642cba>] sk_filter_release_rcu+0x1a/0x30
[ 57.072338] [<ffffffff811108e2>] rcu_process_callbacks+0x202/0x7c0
[ 57.078962] [<ffffffff81057f17>] __do_softirq+0xf7/0x3f0
[ 57.085373] [<ffffffff81058245>] run_ksoftirqd+0x35/0x70
cannot reuse jited filter memory, since it's readonly,
so use original bpf insns memory to hold work_struct
defer kfree of sk_filter until jit completed freeing
tested on x86_64 and i386
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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virtio wants to pass in cpumask_of(cpu), make parameter
const to avoid build warnings.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jamal sent patch to add tc user simple actions to iproute2
but required header was not being exported.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The pending last-minute ASoC fixes, all of which are driver-local
(tlv320aic3x, rcar, pcm1681, pcm1792a, omap, fsl) and should be pretty
safe to apply"
* tag 'sound-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: Add MAINTAINERS entry for dmaengine helpers
ASoC: pcm1792a: Fix max_register setting
ASoC: pcm1681: Fix max_register setting
ASoC: pcm1681: Fix max_register setting
ASoC: rcar: fixup generation checker
ASoC: tlv320aic3x: Connect 'Left Line1R Mux' and 'Right Line1L Mux'
ASoC: fsl: imx-ssi: fix probe on imx31
ASoC: omap: Fix incorrect ARM dependency
ASoC: fsl: Fix sound on mx31moboard
ASoC: fsl_ssi: Fix irq_of_parse_and_map() return value check
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Current rcar is using rsnd_is_gen1/gen2() to checking its
IP generation, but it needs data mask.
This patch fixes it up.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Pull drm fixes from Dave Airlie:
"Travelling slowed down getting these out.
Two vmwgfx fixes, a radeon revert to avoid a regression, i915 fixes,
and some ioctl sizing issues fixed with 32 on 64"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/audio: don't set speaker allocation on DCE4+
drm/radeon: rework audio option
drm/radeon/audio: don't set speaker allocation on DCE3.2
drm/radeon: make missing smc ucode non-fatal (CI)
drm/radeon: make missing smc ucode non-fatal (r7xx-SI)
drm/radeon/uvd: revert lower msg&fb buffer requirements on UVD3
drm/radeon: stop the leaks in cik_ib_test
drm/radeon/atom: workaround vbios bug in transmitter table on rs780
drm/i915: Disable GGTT PTEs on GEN6+ suspend
drm/i915: Make PTE valid encoding optional
drm: Pad drm_mode_get_connector to 64-bit boundary
drm: Prevent overwriting from userspace underallocating core ioctl structs
drm/vmwgfx: Don't kill clients on VT switch
drm/vmwgfx: Don't put resources with invalid id's on lru list
drm/i915: disable LVDS clock gating on CPT v2
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just an lvds clock gating fix and a pte clearing hack for hsw to avoid
memory corruption when hibernating - something doesn't seem to switch off
properly, we're still investigating.
* tag 'drm-intel-fixes-2013-10-21' of git://people.freedesktop.org/~danvet/drm-intel: (96 commits)
drm/i915: Disable GGTT PTEs on GEN6+ suspend
drm/i915: Make PTE valid encoding optional
drm/i915: disable LVDS clock gating on CPT v2
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Pavel Roskin reported that DRM_IOCTL_MODE_GETCONNECTOR was overwritting
the 4 bytes beyond the end of its structure with a 32-bit userspace
running on a 64-bit kernel. This is due to the padding gcc inserts as
the drm_mode_get_connector struct includes a u64 and its size is not a
natural multiple of u64s.
64-bit kernel:
sizeof(drm_mode_get_connector)=80, alignof=8
sizeof(drm_mode_get_encoder)=20, alignof=4
sizeof(drm_mode_modeinfo)=68, alignof=4
32-bit userspace:
sizeof(drm_mode_get_connector)=76, alignof=4
sizeof(drm_mode_get_encoder)=20, alignof=4
sizeof(drm_mode_modeinfo)=68, alignof=4
Fortuituously we can insert explicit padding to the tail of our
structures without breaking ABI.
Reported-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
- intel_pstate fix for misbehavior after system resume if sysfs
attributes are set in a specific way before the corresponding suspend
from Dirk Brandewie.
- A recent intel_pstate fix has no effect if unsigned long is 32-bit,
so fix it up to cover that case as well.
- The s3c64xx cpufreq driver was not updated when the index field of
struct cpufreq_frequency_table was replaced with driver_data, so
update it now. From Charles Keepax.
- The Kconfig help text for ACPI_BUTTON still refers to
/proc/acpi/event that has been dropped recently, so modify it to
remove that reference. From Krzysztof Mazur.
- A Lan Tianyu's change adds a missing mutex unlock to an error code
path in acpi_resume_power_resources().
- Some code related to ACPI power resources, whose very purpose is
questionable to put it lightly, turns out to cause problems to happen
during testing on real systems, so remove it completely (we may
revisit that in the future if there's a compelling enough reason).
From Rafael J Wysocki and Aaron Lu.
* tag 'pm+acpi-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PM: Drop two functions that are not used any more
ATA / ACPI: remove power dependent device handling
cpufreq: s3c64xx: Rename index to driver_data
ACPI / power: Drop automaitc resume of power resource dependent devices
intel_pstate: Fix type mismatch warning
cpufreq / intel_pstate: Fix max_perf_pct on resume
ACPI: remove /proc/acpi/event from ACPI_BUTTON help
ACPI / power: Release resource_lock after acpi_power_get_state() return error
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Two functions defined in device_pm.c, acpi_dev_pm_add_dependent()
and acpi_dev_pm_remove_dependent(), have no callers and may be
dropped, so drop them.
Moreover, they are the only functions adding entries to and removing
entries from the power_dependent list in struct acpi_device, so drop
that list too.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB fixes and new device ids for 3.12-rc6
The largest change here is a bunch of new device ids for the option
USB serial driver for new Huawei devices. Other than that, just some
small bug fixes for issues that people have reported (run-time and
build-time), nothing major"
* tag 'usb-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: usb_phy_gen: refine conditional declaration of usb_nop_xceiv_register
usb: misc: usb3503: Fix compile error due to incorrect regmap depedency
usb/chipidea: fix oops on memory allocation failure
usb-storage: add quirk for mandatory READ_CAPACITY_16
usb: serial: option: blacklist Olivetti Olicard200
USB: quirks: add touchscreen that is dazzeled by remote wakeup
Revert "usb: musb: gadget: fix otg active status flag"
USB: quirks.c: add one device that cannot deal with suspension
USB: serial: option: add support for Inovia SEW858 device
USB: serial: ti_usb_3410_5052: add Abbott strip port ID to combined table as well.
USB: support new huawei devices in option.c
usb: musb: start musb on the udc side, too
xhci: Fix spurious wakeups after S5 on Haswell
xhci: fix write to USB3_PSSEN and XUSB2PRM pci config registers
xhci: quirk for extra long delay for S4
xhci: Don't enable/disable RWE on bus suspend/resume.
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Commit 3fa4d734 (usb: phy: rename nop_usb_xceiv => usb_phy_gen_xceiv)
changed the conditional around the declaration of usb_nop_xceiv_register
from
#if defined(CONFIG_NOP_USB_XCEIV) ||
(defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE))
to
#if IS_ENABLED(CONFIG_NOP_USB_XCEIV)
While that looks the same, it is semantically different. The first expression
is true if CONFIG_NOP_USB_XCEIV is built as module and if the including
code is built as module. The second expression is true if code depending on
CONFIG_NOP_USB_XCEIV if built as module or into the kernel.
As a result, the arm:allmodconfig build fails with
arch/arm/mach-omap2/built-in.o: In function `omap3_evm_init':
arch/arm/mach-omap2/board-omap3evm.c:703: undefined reference to
`usb_nop_xceiv_register'
Fix the problem by reverting to the old conditional.
Cc: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some USB drive enclosures do not correctly report an
overflow condition if they hold a drive with a capacity
over 2TB and are confronted with a READ_CAPACITY_10.
They answer with their capacity modulo 2TB.
The generic layer cannot cope with that. It must be told
to use READ_CAPACITY_16 from the beginning.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 3812c8c8f395 ("mm: memcg: do not trap chargers with full
callstack on OOM") assumed that only a few places that can trigger a
memcg OOM situation do not return VM_FAULT_OOM, like optional page cache
readahead. But there are many more and it's impractical to annotate
them all.
First of all, we don't want to invoke the OOM killer when the failed
allocation is gracefully handled, so defer the actual kill to the end of
the fault handling as well. This simplifies the code quite a bit for
added bonus.
Second, since a failed allocation might not be the abrupt end of the
fault, the memcg OOM handler needs to be re-entrant until the fault
finishes for subsequent allocation attempts. If an allocation is
attempted after the task already OOMed, allow it to bypass the limit so
that it can quickly finish the fault and invoke the OOM killer.
Reported-by: azurIt <azurit@pobox.sk>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull device tree fixes and reverts from Grant Likely:
"One bug fix and three reverts. The reverts back out the slightly
controversial feeding the entire device tree into the random pool and
the reserved-memory binding which isn't fully baked yet. Expect the
reserved-memory patches at least to resurface for v3.13.
The bug fixes removes a scary but harmless warning on SPARC that was
introduced in the v3.12 merge window. v3.13 will contain a proper fix
that makes the new code work on SPARC.
On the plus side, the diffstat looks *awesome*. I love removing lines
of code"
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux:
Revert "drivers: of: add initialization code for dma reserved memory"
Revert "ARM: init: add support for reserved memory defined by device tree"
Revert "of: Feed entire flattened device tree into the random pool"
of: fix unnecessary warning on missing /cpus node
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This reverts commit 9d8eab7af79cb4ce2de5de39f82c455b1f796963. There is
still no consensus on the bindings for the reserved memory and various
drawbacks of the proposed solution has been shown, so the best now is to
revert it completely and start again from scratch later.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband updates from Roland Dreier:
"Last batch of IB changes for 3.12: many mlx5 hardware driver fixes
plus one trivial semicolon cleanup"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB: Remove unnecessary semicolons
IB/mlx5: Ensure proper synchronization accessing memory
IB/mlx5: Fix alignment of reg umr gather buffers
IB/mlx5: Fix eq names to display nicely in /proc/interrupts
mlx5: Fix error code translation from firmware to driver
IB/mlx5: Fix opt param mask according to firmware spec
mlx5: Fix opt param mask for sq err to rts transition
IB/mlx5: Disable atomic operations
mlx5: Fix layout of struct mlx5_init_seg
mlx5: Keep polling to reclaim pages while any returned
IB/mlx5: Avoid async events on invalid port number
IB/mlx5: Decrease memory consumption of mr caches
mlx5: Remove checksum on command interface commands
IB/mlx5: Fix memory leak in mlx5_ib_create_srq
IB/mlx5: Flush cache workqueue before destroying it
IB/mlx5: Fix send work queue size calculation
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It's helpful for a driver to put the pci slot name in its interrupt
names, so /proc/interrupts will show the pci slot of the device.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The layout of struct health_buffer was not according to firmware
specification. Fix it to comply.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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