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Merge fixes from Andrew Morton.
Random drivers and some VM fixes.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (17 commits)
mm: compaction: Abort async compaction if locks are contended or taking too long
mm: have order > 0 compaction start near a pageblock with free pages
rapidio/tsi721: fix unused variable compiler warning
rapidio/tsi721: fix inbound doorbell interrupt handling
drivers/rtc/rtc-rs5c348.c: fix hour decoding in 12-hour mode
mm: correct page->pfmemalloc to fix deactivate_slab regression
drivers/rtc/rtc-pcf2123.c: initialize dynamic sysfs attributes
mm/compaction.c: fix deferring compaction mistake
drivers/misc/sgi-xp/xpc_uv.c: SGI XPC fails to load when cpu 0 is out of IRQ resources
string: do not export memweight() to userspace
hugetlb: update hugetlbpage.txt
checkpatch: add control statement test to SINGLE_STATEMENT_DO_WHILE_MACRO
mm: hugetlbfs: correctly populate shared pmd
cciss: fix incorrect scsi status reporting
Documentation: update mount option in filesystem/vfat.txt
mm: change nr_ptes BUG_ON to WARN_ON
cs5535-clockevt: typo, it's MFGPT, not MFPGT
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Pull networking update from David Miller:
"A couple weeks of bug fixing in there. The largest chunk is all the
broken crap Amerigo Wang found in the netpoll layer."
1) netpoll and it's users has several serious bugs:
a) uses GFP_KERNEL with locks held
b) interfaces requiring interrupts disabled are called with them
enabled
c) and vice versa
d) VLAN tag demuxing, as per all other RX packet input paths, is not
applied
All from Amerigo Wang.
2) Hopefully cure the ipv4 mapped ipv6 address TCP early demux bugs for
good, from Neal Cardwell.
3) Unlike AF_UNIX, AF_PACKET sockets don't set a default credentials
when the user doesn't specify one explicitly during sendmsg().
Instead we attach an empty (zero) SCM credential block which is
definitely not what we want. Fix from Eric Dumazet.
4) IPv6 illegally invokes netdevice notifiers with RCU lock held, fix
from Ben Hutchings.
5) inet_csk_route_child_sock() checks wrong inet options pointer, fix
from Christoph Paasch.
6) When AF_PACKET is used for transmit, packet loopback doesn't behave
properly when a socket fanout is enabled, from Eric Leblond.
7) On bluetooth l2cap channel create failure, we leak the socket, from
Jaganath Kanakkassery.
8) Fix all the netprio file handling bugs found by Al Viro, from John
Fastabend.
9) Several error return and NULL deref bug fixes in networking drivers
from Julia Lawall.
10) A large smattering of struct padding et al. kernel memory leaks to
userspace found of Mathias Krause.
11) Conntrack expections in netfilter can access an uninitialized timer,
fix from Pablo Neira Ayuso.
12) Several netfilter SIP tracker bug fixes from Patrick McHardy.
13) IPSEC ipv6 routes are not initialized correctly all the time,
resulting in an OOPS in inet_putpeer(). Also from Patrick McHardy.
14) Bridging does rcu_dereference() outside of RCU protected area, from
Stephen Hemminger.
15) Fix routing cache removal performance regression when looking up
output routes that have a local destination. From Zheng Yan.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
af_netlink: force credentials passing [CVE-2012-3520]
ipv4: fix ip header ident selection in __ip_make_skb()
ipv4: Use newinet->inet_opt in inet_csk_route_child_sock()
tcp: fix possible socket refcount problem
net: tcp: move sk_rx_dst_set call after tcp_create_openreq_child()
net/core/dev.c: fix kernel-doc warning
netconsole: remove a redundant netconsole_target_put()
net: ipv6: fix oops in inet_putpeer()
net/stmmac: fix issue of clk_get for Loongson1B.
caif: Do not dereference NULL in chnl_recv_cb()
af_packet: don't emit packet on orig fanout group
drivers/net/irda: fix error return code
drivers/net/wan/dscc4.c: fix error return code
drivers/net/wimax/i2400m/fw.c: fix error return code
smsc75xx: add missing entry to MAINTAINERS
net: qmi_wwan: new devices: UML290 and K5006-Z
net: sh_eth: Add eth support for R8A7779 device
netdev/phy: skip disabled mdio-mux nodes
dt: introduce for_each_available_child_of_node, of_get_next_available_child
net: netprio: fix cgrp create and write priomap race
...
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Jim Schutt reported a problem that pointed at compaction contending
heavily on locks. The workload is straight-forward and in his own words;
The systems in question have 24 SAS drives spread across 3 HBAs,
running 24 Ceph OSD instances, one per drive. FWIW these servers
are dual-socket Intel 5675 Xeons w/48 GB memory. I've got ~160
Ceph Linux clients doing dd simultaneously to a Ceph file system
backed by 12 of these servers.
Early in the test everything looks fine
procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
r b swpd free buff cache si so bi bo in cs us sy id wa st
31 15 0 287216 576 38606628 0 0 2 1158 2 14 1 3 95 0 0
27 15 0 225288 576 38583384 0 0 18 2222016 203357 134876 11 56 17 15 0
28 17 0 219256 576 38544736 0 0 11 2305932 203141 146296 11 49 23 17 0
6 18 0 215596 576 38552872 0 0 7 2363207 215264 166502 12 45 22 20 0
22 18 0 226984 576 38596404 0 0 3 2445741 223114 179527 12 43 23 22 0
and then it goes to pot
procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
r b swpd free buff cache si so bi bo in cs us sy id wa st
163 8 0 464308 576 36791368 0 0 11 22210 866 536 3 13 79 4 0
207 14 0 917752 576 36181928 0 0 712 1345376 134598 47367 7 90 1 2 0
123 12 0 685516 576 36296148 0 0 429 1386615 158494 60077 8 84 5 3 0
123 12 0 598572 576 36333728 0 0 1107 1233281 147542 62351 7 84 5 4 0
622 7 0 660768 576 36118264 0 0 557 1345548 151394 59353 7 85 4 3 0
223 11 0 283960 576 36463868 0 0 46 1107160 121846 33006 6 93 1 1 0
Note that system CPU usage is very high blocks being written out has
dropped by 42%. He analysed this with perf and found
perf record -g -a sleep 10
perf report --sort symbol --call-graph fractal,5
34.63% [k] _raw_spin_lock_irqsave
|
|--97.30%-- isolate_freepages
| compaction_alloc
| unmap_and_move
| migrate_pages
| compact_zone
| compact_zone_order
| try_to_compact_pages
| __alloc_pages_direct_compact
| __alloc_pages_slowpath
| __alloc_pages_nodemask
| alloc_pages_vma
| do_huge_pmd_anonymous_page
| handle_mm_fault
| do_page_fault
| page_fault
| |
| |--87.39%-- skb_copy_datagram_iovec
| | tcp_recvmsg
| | inet_recvmsg
| | sock_recvmsg
| | sys_recvfrom
| | system_call
| | __recv
| | |
| | --100.00%-- (nil)
| |
| --12.61%-- memcpy
--2.70%-- [...]
There was other data but primarily it is all showing that compaction is
contended heavily on the zone->lock and zone->lru_lock.
commit [b2eef8c0: mm: compaction: minimise the time IRQs are disabled
while isolating pages for migration] noted that it was possible for
migration to hold the lru_lock for an excessive amount of time. Very
broadly speaking this patch expands the concept.
This patch introduces compact_checklock_irqsave() to check if a lock
is contended or the process needs to be scheduled. If either condition
is true then async compaction is aborted and the caller is informed.
The page allocator will fail a THP allocation if compaction failed due
to contention. This patch also introduces compact_trylock_irqsave()
which will acquire the lock only if it is not contended and the process
does not need to schedule.
Reported-by: Jim Schutt <jaschut@sandia.gov>
Tested-by: Jim Schutt <jaschut@sandia.gov>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the following warning:
usr/include/linux/string.h:8: userspace cannot reference function or variable defined in the kernel
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Acked-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Fixed Nomadik errorpath
- Fixed documentation spelling errors
- Forward-declare struct device in a header file
- Remove some extraneous code lines when getting pinctrl states
- Correct the i.MX51 configure register number
- Fix the Nomadik keypad function group list
* tag 'pinctrl-fixes-v3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl/nomadik: add kp_b_2 keyboard function group list
pinctrl: imx51: fix .conf_reg of MX51_PAD_SD2_CMD__CSPI_MOSI
trivial: pinctrl core: remove extraneous code lines
pinctrl: header: trivial: declare struct device
Documentation/pinctrl.txt: Fix some misspelled macros
pinctrl/nomadik: fix null in irqdomain errorpath
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar.
A x32 socket ABI fix with a -stable backport tag among other fixes.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x32: Use compat shims for {g,s}etsockopt
Revert "x86-64/efi: Use EFI to deal with platform wall clock"
x86, apic: fix broken legacy interrupts in the logical apic mode
x86, build: Globally set -fno-pic
x86, avx: don't use avx instructions with "noxsave" boot param
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Pable Neira Ayuso says:
====================
The following five patches contain fixes for 3.6-rc, they are:
* Two fixes for message parsing in the SIP conntrack helper, from
Patrick McHardy.
* One fix for the SIP helper introduced in the user-space cthelper
infrastructure, from Patrick McHardy.
* fix missing appropriate locking while modifying one conntrack entry
from the nfqueue integration code, from myself.
* fix possible access to uninitiliazed timer in the nf_conntrack
expectation infrastructure, from myself.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is resolved by two things:
1) allow dev_addr of different length than ETH_ALEN
2) during port add, check for dev->type and change it if necessary
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a packet is emitted on one socket in one group of fanout sockets,
it is transmitted again. It is thus read again on one of the sockets
of the fanout group. This result in a loop for software which
generate packets when receiving one.
This retransmission is not the intended behavior: a fanout group
must behave like a single socket. The packet should not be
transmitted on a socket if it originates from a socket belonging
to the same fanout group.
This patch fixes the issue by changing the transmission check to
take fanout group info account.
Reported-by: Aleksandr Kotov <a1k@mail.ru>
Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Gets rid of the need for users to specify the maximum number of
name publications supported by TIPC. TIPC now automatically provides
support for the maximum number of name publications to 65535.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Gets rid of the need for users to specify the maximum number of
name subscriptions supported by TIPC. TIPC now automatically provides
support for the maximum number of name subscriptions to 65535.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reported value is the same reported by the FANOUT getsockoption, but
unlike it, the absent fanout setup results in absent nlattr, rather
than in nlattr with zero value. This is done so, since zero fanout
report may mean both -- no fanout, and fanout with both id and type zero.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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One extension bit may result in two nlattrs -- one per ring type.
If some ring type is not configured, then the respective nlatts
will be empty.
The structure reported contains the data, that is given to the
corresponding ring setup socket option.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Macro for_each_child_of_node() makes it easy to iterate over all of the
children for a given device tree node, including those nodes that are
marked as unavailable (i.e. status = "disabled").
Introduce for_each_available_child_of_node(), which is like
for_each_child_of_node(), but it automatically skips unavailable nodes.
This also requires the introduction of helper function
of_get_next_available_child(), which returns the next available child
node.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging fixes from Greg Kroah-Hartman:
"Here are some staging driver fixes (and iio driver fixes, they get
lumped in with the staging stuff due to dependancies) for your 3.6-rc3
tree.
Nothing major, just a bunch of fixes that people have reported.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (26 commits)
iio: lm3533-als: Fix build warnings
staging:iio:ad7780: Mark channels as unsigned
staging:iio:ad7192: Report offset and scale for temperature channel
staging:iio:ad7192: Report channel offset
staging:iio:ad7192: Mark channels as unsigned
staging:iio:ad7192: Fix setting ACX
staging:iio:ad7192: Add missing break in switch statement
staging:iio:ad7793: Fix internal reference value
staging:iio:ad7793: Follow new IIO naming spec
staging:iio:ad7793: Fix temperature scale and offset
staging:iio:ad7793: Report channel offset
staging:iio:ad7793: Mark channels as unsigned
staging:iio:ad7793: Add missing break in switch statement
iio/adjd_s311: Fix potential memory leak in adjd_s311_update_scan_mode()
iio: frequency: ADF4350: Fix potential reference div factor overflow.
iio: staging: ad7298_ring: Fix maybe-uninitialized warning
staging: comedi: usbduxfast: Declare MODULE_FIRMWARE usage
staging: comedi: usbdux: Declare MODULE_FIRMWARE usage
staging: comedi: usbduxsigma: Declare MODULE_FIRMWARE usage
staging: csr: add INET dependancy
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 bug fixes from Ted Ts'o:
"The following are all bug fixes and regressions. The most notable are
the ones which cause problems for ext4 on RAID --- a performance
problem when mounting very large filesystems, and a kernel OOPS when
doing an rm -rf on large directory hierarchies on fast devices."
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix kernel BUG on large-scale rm -rf commands
ext4: fix long mount times on very big file systems
ext4: don't call ext4_error while block group is locked
ext4: avoid kmemcheck complaint from reading uninitialized memory
ext4: make sure the journal sb is written in ext4_clear_journal_err()
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As struct device is used as a function argument, it should at
least be declared (device.h is not included).
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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With small channel spacing values and high reference frequencies it is
possible to exceed the range of the 10-bit counter.
Workaround by checking the range and widening some constrains.
We don't use the REG1_PHASE value in this case the datasheet recommends to set
it to 1 if not used.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Pull VFIO fix from Alex Williamson:
"Just a trivial patch to include vfio.h in the installed headers so we
can complete userspace integration into QEMU."
* tag 'vfio-for-v3.6-rc1' of git://github.com/awilliam/linux-vfio:
vfio: Include vfio.h in installed headers
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: verify all ioctl retry iov elements
fuse: add missing INIT flag descriptions
fuse: add missing INIT flags
fuse: update attributes on aio_read
fuse: invalidate inode mapping if mtime changes
fuse: add FUSE_AUTO_INVAL_DATA init flag
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
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The info is reported as an array of packet_diag_mclist structures. Each
includes not only the directly configured values (index, type, etc), but
also the "count".
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reports in one rtattr message all the other scalar values, that can be
set on a packet socket with setsockopt.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The diag module can be built independently from the af_packet.ko one,
just like it's done in unix sockets.
The core dumping message carries the info available at socket creation
time, i.e. family, type and protocol (in the same byte order as shown in
the proc file).
The socket inode number and cookie is reserved for future per-socket info
retrieving. The per-protocol filtering is also reserved for future by
requiring the sdiag_protocol to be zero.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These functions are just boolean, let them return
bool instead of int.
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Although this doesn't matter actually, because netpoll_tx_running()
doesn't use the parameter, the code will be more readable.
For team_dev_queue_xmit() we have to move it down to avoid
compile errors.
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes several problems in the call path of
netpoll_send_skb_on_dev():
1. Disable IRQ's before calling netpoll_send_skb_on_dev().
2. All the callees of netpoll_send_skb_on_dev() should use
rcu_dereference_bh() to dereference ->npinfo.
3. Rename arp_reply() to netpoll_arp_reply(), the former is too generic.
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The logic of the code is same, just call netpoll_rx_on().
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In __netpoll_rx(), it dereferences ->npinfo without rcu_dereference_bh(),
this patch fixes it by using the 'npinfo' passed from netpoll_rx()
where it is already dereferenced with rcu_dereference_bh().
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Like the previous patch, slave_disable_netpoll() and __netpoll_cleanup()
may be called with read_lock() held too, so we should make them
non-block, by moving the cleanup and kfree() to call_rcu_bh() callbacks.
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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slave_enable_netpoll() and __netpoll_setup() may be called
with read_lock() held, so should use GFP_ATOMIC to allocate
memory. Eric suggested to pass gfp flags to __netpoll_setup().
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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GRE over IPv6 implementation.
Signed-off-by: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I don't see any benifits to use netdev_bonding_change() than
using call_netdevice_notifiers() directly.
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I believe net/core/dev.c is a better place for netif_notify_peers(),
because other net event notify functions also stay in this file.
And rename it to netdev_notify_peers().
Cc: David S. Miller <davem@davemloft.net>
Cc: Ian Campbell <Ian.Campbell@citrix.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit bacef661acdb634170a8faddbc1cf28e8f8b9eee.
This commit has been found to cause serious regressions on a number of
ASUS machines at the least. We probably need to provide a 1:1 map in
addition to the EFI virtual memory map in order for this to work.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Reported-and-bisected-by: Jérôme Carretero <cJ-ko@zougloub.eu>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120805172903.5f8bb24c@zougloub.eu
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Pull networking changes from David Miller:
"Most importantly this should cure the ipv4-mapped ipv6 socket TCP
crashes some people were seeing, otherwise:
1) Fix e1000e autonegotiation handling regression, from Tushar Dave.
2) Fix TX data corruption race on e1000e down, also from Tushar Dave.
3) Fix bfin_sir IRDA driver build, from Sonic Zhang.
4) AF_PACKET mmap() tests a flag in the TX ring shared between
userspace and the kernel for an internal consistency check. It
really shouldn't do this to validate the kernel's own behavior
because the user can corrupt it to be any value at all. From
Daniel Borkmann.
5) Fix TCP metrics leak on netns dismantle, from Eric Dumazet.
6) Orphan the anonymous TCP socket from the SKB in
ip_send_unicast_reply() so that the rest of the stack needn't see
it. Otherwise we get selinux problems of all sorts, from Eric
Dumazet.
This is the best way to fix this since the socket is just a place
holder for sending packets in a context where we have no real
socket at all.
7) Fix TUN detach crashes, from Stanislav Kinsbursky.
8) dev_set_alias() leaks memory on krealloc() failure, from Alexey
Khoroshilov.
9) FIB trie must use call_rcu() not call_rcu_bh(), because this code
is not universally invoked from software interrupts. From Eric
Dumazet.
10) PPTP looks up ipv4 routes with the wrong network namespace, fix
from Gao Feng."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (33 commits)
bnx2x: Fix compiler warnings
af_packet: remove BUG statement in tpacket_destruct_skb
macvtap: rcu_dereference outside read-lock section
codel: refine one condition to avoid a nul rec_inv_sqrt
ixgbe: add missing braces
ipv4: fix ip_send_skb()
net: tcp: ipv6_mapped needs sk_rx_dst_set method
ipv4: tcp: unicast_sock should not land outside of TCP stack
bnx2x: Fix recovery flow cleanup during probe
bnx2x: fix unload previous driver flow when flr-capable
tun: don't zeroize sock->file on detach
igb: Fix register defines for all non-82575 hardware
e1000e: fix panic while dumping packets on Tx hang with IOMMU
igb: fix panic while dumping packets on Tx hang with IOMMU
tcp: must free metrics at net dismantle
net/stmmac: mark probe function as __devinit
lpc_eth: remove obsolete ifdefs
net/core: Fix potential memory leak in dev_set_alias()
cdc-phonet: Don't leak in usbpn_open
batman-adv: Fix mem leak in the batadv_tt_local_event() function
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull a security subsystem fix from James Morris
"This fixes an issue in the Yama LSM"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
Yama: higher restrictions should block PTRACE_TRACEME
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael J. Wysocki:
- Fix for two recent regressions in the generic PM domains framework.
- Revert of a commit that introduced a resume regression and is
conceptually incorrect in my opinion.
- Fix for a return value in pcc-cpufreq.c from Julia Lawall.
- RTC wakeup signaling fix from Neil Brown.
- Suppression of compiler warnings for CONFIG_PM_SLEEP unset in ACPI,
platform/x86 and TPM drivers.
* tag 'pm-for-3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
tpm_tis / PM: Fix unused function warning for CONFIG_PM_SLEEP
platform / x86 / PM: Fix unused function warnings for CONFIG_PM_SLEEP
ACPI / PM: Fix unused function warnings for CONFIG_PM_SLEEP
Revert "NMI watchdog: fix for lockup detector breakage on resume"
PM: Make dev_pm_get_subsys_data() always return 0 on success
drivers/cpufreq/pcc-cpufreq.c: fix error return code
RTC: Avoid races between RTC alarm wakeup and suspend.
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc bug fixes from Arnd Bergmann:
"These are a bunch of bug fixes that came in after the merge window and
one update for the MAINTAINERS file.
The largest part of the fixes are patches that address bugs found by
building all the ARM defconfig files. There are a lot more warnings
that we have patches for, but the others are either still under
discussion or are harmless and do not cause actual problems besides
making the build slightly noisy."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
ARM: davinci: remove broken ntosd2_init_i2c
ARM: s3c24xx: enable CONFIG_BUG for tct_hammer
omap-rng: fix use of SIMPLE_DEV_PM_OPS
spi/s3c64xx: improve error handling
mtd/omap2: fix dmaengine_slave_config error handling
gpio: em: do not discard em_gio_irq_domain_cleanup
ARM: exynos: exynos_pm_add_dev_to_genpd may be unused
ARM: imx: gpmi-nand depends on mxs-dma
ARM: integrator: include <linux/export.h>
ARM: s3c24xx: use new PWM driver
ARM: sa1100: include linux/io.h in hackkit leds code
Input: eeti_ts: pass gpio value instead of IRQ
ARM: pxa: remove irq_to_gpio from ezx-pcap driver
ARM: tegra: more regulator fixes for Harmony
usb/ohci-omap: remove unused variable
mfd/asic3: fix asic3_mfd_probe return value
ARM: kirkwood: fix typo in Makefile.boot
i.MX27: Fix emma-prp and csi clocks.
ARM: integrator: use clk_prepare_enable() for timer
MAINTAINERS: update entry for Linus Walleij
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We can not assume parallel flash is always present, there are boards
with *serial* flash and probably some without flash at all.
Define some bits by the way.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Reviewed-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The higher ptrace restriction levels should be blocking even
PTRACE_TRACEME requests. The comments in the LSM documentation are
misleading about when the checks happen (the parent does not go through
security_ptrace_access_check() on a PTRACE_TRACEME call).
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org # 3.5.x and later
Signed-off-by: James Morris <james.l.morris@oracle.com>
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Within SIP messages IPv6 addresses are enclosed in square brackets in most
cases, with the exception of the "received=" header parameter. Currently
the helper fails to parse enclosed addresses.
This patch:
- changes the SIP address parsing function to enforce square brackets
when required, and accept them when not required but present, as
recommended by RFC 5118.
- adds a new SDP address parsing function that never accepts square
brackets since SDP doesn't use them.
With these changes, the SIP helper correctly parses all test messages
from RFC 5118 (Session Initiation Protocol (SIP) Torture Test Messages
for Internet Protocol Version 6 (IPv6)).
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Eric noticed, that when there will be devices with equal indices, some
hash functions that use them will become less effective as they could.
Fix this in advance by mixing the net_device address into the hash value
instead of the device index.
This is true for arp and ndisc hash fns. The netlabel, can and llc ones
are also ifindex-based, but that three are init_net-only, thus will not
be affected.
Many thanks to David and Eric for the hash32_ptr implementation!
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Various /proc/net files sometimes report crazy timer values, expressed
in clock_t units.
This happens when an expired timer delta (expires - jiffies) is passed
to jiffies_to_clock_t().
This function has an overflow in :
return div_u64((u64)x * TICK_NSEC, NSEC_PER_SEC / USER_HZ);
commit cbbc719fccdb8cb (time: Change jiffies_to_clock_t() argument type
to unsigned long) only got around the problem.
As we cant output negative values in /proc/net/tcp without breaking
various tools, I suggest adding a jiffies_delta_to_clock_t() wrapper
that caps the negative delta to a 0 value.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Maciej Żenczykowski <maze@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: hank <pyu@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The EETI touchscreen asserts its IRQ line as soon as it has data in its
internal buffers. The line is automatically deasserted once all data has
been read via I2C. Hence, the driver has to monitor the GPIO line and
cannot simply rely on the interrupt handler reception.
In the current implementation of the driver, irq_to_gpio() is used to
determine the GPIO number from the i2c_client's IRQ value.
As irq_to_gpio() is not available on all platforms, this patch changes
this and makes the driver ignore the passed in IRQ. Instead, a GPIO is
added to the platform_data struct and gpio_to_irq is used to derive the
IRQ from that GPIO. If this fails, bail out. The driver is only able to
work in environments where the touchscreen GPIO can be mapped to an
IRQ.
Without this patch, building raumfeld_defconfig results in:
drivers/input/touchscreen/eeti_ts.c: In function 'eeti_ts_irq_active':
drivers/input/touchscreen/eeti_ts.c:65:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org (v3.2+)
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Sven Neumann <s.neumann@raumfeld.com>
Cc: linux-input@vger.kernel.org
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
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The irq_to_gpio function was removed from the pxa platform
in linux-3.2, and this driver has been broken since.
There is actually no in-tree user of this driver that adds
this platform device, but the driver can and does get enabled
on some platforms.
Without this patch, building ezx_defconfig results in:
drivers/mfd/ezx-pcap.c: In function 'pcap_isr_work':
drivers/mfd/ezx-pcap.c:205:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: stable@vger.kernel.org (v3.2+)
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Daniel Ribeiro <drwyrm@gmail.com>
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Marc Kleine-Budde says:
====================
here's a fix intended for the v3.6 release cycle. Oliver noticed and
fixed that the flags definition for the new canfd_frame contains
redundant and confusing information.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Revert commit 45226e9 (NMI watchdog: fix for lockup detector breakage
on resume) which breaks resume from system suspend on my SH7372
Mackerel board (by causing a NULL pointer dereference to happen) and
is generally wrong, because it abuses the CPU hotplug functionality
in a shamelessly blatant way.
The original issue should be addressed through appropriate syscore
resume callback instead.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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