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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"A cpufreq lockup fix and a compiler warning fix"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix compiler warnings
x86, tsc: Fix cpufreq lockup
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Tooling fixes and an Intel PMU driver fixlet"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Do not allow optimized switch for non-cloned events
perf/x86/intel: ignore CondChgd bit to avoid false NMI handling
perf symbols: Get kernel start address by symbol name
perf tools: Fix segfault in cumulative.callchain report
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Things seem to calm down so far, just a small few HD-audio fixes
(regression fixes and a new codec ID addition) popping up"
* tag 'sound-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix broken PM due to incomplete i915 initialization
ALSA: hda - Revert stream assignment order for Intel controllers
ALSA: hda - Add new GPU codec ID 0x10de0070 to snd-hda
ALSA: hda: Fix build warning
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull quota fix from Jan Kara:
"Fix locking of dquot shrinker"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: missing lock in dqcache_shrink_scan()
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fix from Linus Walleij:
"Fix up some merge confusion from the merge window"
* tag 'gpio-v3.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mcp23s08: Eliminates redundant checking.
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Commit 1ab6c4997e04 (fs: convert fs shrinkers to new scan/count API)
accidentally removed locking from quota shrinker. Fix it -
dqcache_shrink_scan() should use dq_list_lock to protect the
scan on free_dquots list.
CC: stable@vger.kernel.org
Fixes: 1ab6c4997e04a00c50c6d786c2f046adc0d1f5de
Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
"This contains miscellaneous fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: replace count*size kzalloc by kcalloc
fuse: release temporary page if fuse_writepage_locked() failed
fuse: restructure ->rename2()
fuse: avoid scheduling while atomic
fuse: handle large user and group ID
fuse: inode: drop cast
fuse: ignore entry-timeout on LOOKUP_REVAL
fuse: timeout comparison fix
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Pull networking fixes from David Miller:
1) Bluetooth pairing fixes from Johan Hedberg.
2) ieee80211_send_auth() doesn't allocate enough tail room for the SKB,
from Max Stepanov.
3) New iwlwifi chip IDs, from Oren Givon.
4) bnx2x driver reads wrong PCI config space MSI register, from Yijing
Wang.
5) IPV6 MLD Query validation isn't strong enough, from Hangbin Liu.
6) Fix double SKB free in openvswitch, from Andy Zhou.
7) Fix sk_dst_set() being racey with UDP sockets, leading to strange
crashes, from Eric Dumazet.
8) Interpret the NAPI budget correctly in the new systemport driver,
from Florian Fainelli.
9) VLAN code frees percpu stats in the wrong place, leading to crashes
in the get stats handler. From Eric Dumazet.
10) TCP sockets doing a repair can crash with a divide by zero, because
we invoke tcp_push() with an MSS value of zero. Just skip that part
of the sendmsg paths in repair mode. From Christoph Paasch.
11) IRQ affinity bug fixes in mlx4 driver from Amir Vadai.
12) Don't ignore path MTU icmp messages with a zero mtu, machines out
there still spit them out, and all of our per-protocol handlers for
PMTU can cope with it just fine. From Edward Allcutt.
13) Some NETDEV_CHANGE notifier invocations were not passing in the
correct kind of cookie as the argument, from Loic Prylli.
14) Fix crashes in long multicast/broadcast reassembly, from Jon Paul
Maloy.
15) ip_tunnel_lookup() doesn't interpret wildcard keys correctly, fix
from Dmitry Popov.
16) Fix skb->sk assigned without taking a reference to 'sk' in
appletalk, from Andrey Utkin.
17) Fix some info leaks in ULP event signalling to userspace in SCTP,
from Daniel Borkmann.
18) Fix deadlocks in HSO driver, from Olivier Sobrie.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (93 commits)
hso: fix deadlock when receiving bursts of data
hso: remove unused workqueue
net: ppp: don't call sk_chk_filter twice
mlx4: mark napi id for gro_skb
bonding: fix ad_select module param check
net: pppoe: use correct channel MTU when using Multilink PPP
neigh: sysctl - simplify address calculation of gc_* variables
net: sctp: fix information leaks in ulpevent layer
MAINTAINERS: update r8169 maintainer
net: bcmgenet: fix RGMII_MODE_EN bit
tipc: clear 'next'-pointer of message fragments before reassembly
r8152: fix r8152_csum_workaround function
be2net: set EQ DB clear-intr bit in be_open()
GRE: enable offloads for GRE
farsync: fix invalid memory accesses in fst_add_one() and fst_init_card()
igb: do a reset on SR-IOV re-init if device is down
igb: Workaround for i210 Errata 25: Slow System Clock
usbnet: smsc95xx: add reset_resume function with reset operation
dp83640: Always decode received status frames
r8169: disable L23
...
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When the initialization of Intel HDMI controller fails due to missing
i915 kernel symbols (e.g. HD-audio is built in while i915 is module),
the driver discontinues the probe. However, since the probe was done
asynchronously, the driver object still remains, thus the relevant PM
ops are still called at suspend/resume. This results in the bad access
to the incomplete audio card object, eventually leads to Oops or stall
at PM.
This patch adds the missing checks of chip->init_failed flag at each
PM callback in order to fix the problem above.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=79561
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When the module sends bursts of data, sometimes a deadlock happens in
the hso driver when the tty buffer doesn't get the chance to be flushed
quickly enough.
Remove the endless while loop in function put_rxbuf_data() which is
called by the urb completion handler.
If there isn't enough room in the tty buffer, discards all the data
received in the URB.
Cc: David Miller <davem@davemloft.net>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
Cc: Dan Williams <dcbw@redhat.com>
Cc: Jan Dumon <j.dumon@option.com>
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The workqueue "retry_unthrottle_workqueue" is not scheduled anywhere
in the code. So, remove it.
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Stefan Richter:
"The 1394 drivers cannot and are not supposed to be built on platforms
which don't provide the DMA mapping API (regression since v3.16-rc1
with CONFIG_COMPILE_TEST=y on some architectures)"
* tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: IEEE 1394 (FireWire) support should depend on HAS_DMA
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Pull another aio fix from Ben LaHaise:
"put_reqs_available() can now be called from within irq context, which
means that it (and its sibling function get_reqs_available()) now need
to be irq-safe, not just preempt-safe"
* git://git.kvack.org/~bcrl/aio-fixes:
aio: protect reqs_available updates from changes in interrupt handlers
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The l2tp [get|set]sockopt() code has fallen back to the UDP functions
for socket option levels != SOL_PPPOL2TP since day one, but that has
never actually worked, since the l2tp socket isn't an inet socket.
As David Miller points out:
"If we wanted this to work, it'd have to look up the tunnel and then
use tunnel->sk, but I wonder how useful that would be"
Since this can never have worked so nobody could possibly have depended
on that functionality, just remove the broken code and return -EINVAL.
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: James Chapman <jchapman@katalix.com>
Acked-by: David Miller <davem@davemloft.net>
Cc: Phil Turnbull <phil.turnbull@oracle.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Willy Tarreau <w@1wt.eu>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 568f194e8bd16c353ad50f9ab95d98b20578a39d ("net: ppp: use
sk_unattached_filter api") causes sk_chk_filter() to be called twice when
setting a PPP pass or active filter. This applies to both the generic PPP
subsystem implemented by drivers/net/ppp/ppp_generic.c and the ISDN PPP
subsystem implemented by drivers/isdn/i4l/isdn_ppp.c. The first call is from
within get_filter(). The second one is through the call chain
ppp_ioctl() or isdn_ppp_ioctl()
--> sk_unattached_filter_create()
--> __sk_prepare_filter()
--> sk_chk_filter()
The first call from within get_filter() should be deleted as get_filter() is
called just before calling sk_unattached_filter_create() later on, which
eventually calls sk_chk_filter() anyway.
For 3.15.x, this proposed change is a bugfix rather than a pure optimization as
in that branch, sk_chk_filter() may replace filter codes by other codes which
are not recognized when executing sk_chk_filter() a second time. So with
3.15.x, if sk_chk_filter() is called twice, the second invocation may yield
EINVAL (this depends on the filter codes found in the filter to be set, but
because the replacement is done for frequently used codes, this is almost
always the case). The net effect is that setting pass and/or active PPP filters
does not work anymore, since sk_unattached_filter_create() always returns
EINVAL due to the second call to sk_chk_filter(), regardless whether the filter
was originally sane or not.
Signed-off-by: Christoph Schulz <develop@kristov.de>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Napi id was not marked for gro_skb, this will lead rx busy loop won't
work correctly since they stack never try to call low latency receive
method because of a zero socket napi id. Fix this by marking napi id
for gro_skb.
The transaction rate of 1 byte netperf tcp_rr gets about 50% increased
(from 20531.68 to 30610.88).
Cc: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Obvious copy/paste error when I converted the ad_select to the new
option API. "lacp_rate" there should be "ad_select" so we can get the
proper value.
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: David S. Miller <davem@davemloft.net>
Fixes: 9e5f5eebe765 ("bonding: convert ad_select to use the new option
API")
Reported-by: Karim Scheik <karim.scheik@prisma-solutions.at>
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PPP channel MTU is used with Multilink PPP when ppp_mp_explode() (see
ppp_generic module) tries to determine how big a fragment might be. According
to RFC 1661, the MTU excludes the 2-byte PPP protocol field, see the
corresponding comment and code in ppp_mp_explode():
/*
* hdrlen includes the 2-byte PPP protocol field, but the
* MTU counts only the payload excluding the protocol field.
* (RFC1661 Section 2)
*/
mtu = pch->chan->mtu - (hdrlen - 2);
However, the pppoe module *does* include the PPP protocol field in the channel
MTU, which is wrong as it causes the PPP payload to be 1-2 bytes too big under
certain circumstances (one byte if PPP protocol compression is used, two
otherwise), causing the generated Ethernet packets to be dropped. So the pppoe
module has to subtract two bytes from the channel MTU. This error only
manifests itself when using Multilink PPP, as otherwise the channel MTU is not
used anywhere.
In the following, I will describe how to reproduce this bug. We configure two
pppd instances for multilink PPP over two PPPoE links, say eth2 and eth3, with
a MTU of 1492 bytes for each link and a MRRU of 2976 bytes. (This MRRU is
computed by adding the two link MTUs and subtracting the MP header twice, which
is 4 bytes long.) The necessary pppd statements on both sides are "multilink
mtu 1492 mru 1492 mrru 2976". On the client side, we additionally need "plugin
rp-pppoe.so eth2" and "plugin rp-pppoe.so eth3", respectively; on the server
side, we additionally need to start two pppoe-server instances to be able to
establish two PPPoE sessions, one over eth2 and one over eth3. We set the MTU
of the PPP network interface to the MRRU (2976) on both sides of the connection
in order to make use of the higher bandwidth. (If we didn't do that, IP
fragmentation would kick in, which we want to avoid.)
Now we send a ICMPv4 echo request with a payload of 2948 bytes from client to
server over the PPP link. This results in the following network packet:
2948 (echo payload)
+ 8 (ICMPv4 header)
+ 20 (IPv4 header)
---------------------
2976 (PPP payload)
These 2976 bytes do not exceed the MTU of the PPP network interface, so the
IP packet is not fragmented. Now the multilink PPP code in ppp_mp_explode()
prepends one protocol byte (0x21 for IPv4), making the packet one byte bigger
than the negotiated MRRU. So this packet would have to be divided in three
fragments. But this does not happen as each link MTU is assumed to be two bytes
larger. So this packet is diveded into two fragments only, one of size 1489 and
one of size 1488. Now we have for that bigger fragment:
1489 (PPP payload)
+ 4 (MP header)
+ 2 (PPP protocol field for the MP payload (0x3d))
+ 6 (PPPoE header)
--------------------------
1501 (Ethernet payload)
This packet exceeds the link MTU and is discarded.
If one configures the link MTU on the client side to 1501, one can see the
discarded Ethernet frames with tcpdump running on the client. A
ping -s 2948 -c 1 192.168.15.254
leads to the smaller fragment that is correctly received on the server side:
(tcpdump -vvvne -i eth3 pppoes and ppp proto 0x3d)
52:54:00:ad:87:fd > 52:54:00:79:5c:d0, ethertype PPPoE S (0x8864),
length 1514: PPPoE [ses 0x3] MLPPP (0x003d), length 1494: seq 0x000,
Flags [end], length 1492
and to the bigger fragment that is not received on the server side:
(tcpdump -vvvne -i eth2 pppoes and ppp proto 0x3d)
52:54:00:70:9e:89 > 52:54:00:5d:6f:b0, ethertype PPPoE S (0x8864),
length 1515: PPPoE [ses 0x5] MLPPP (0x003d), length 1495: seq 0x000,
Flags [begin], length 1493
With the patch below, we correctly obtain three fragments:
52:54:00:ad:87:fd > 52:54:00:79:5c:d0, ethertype PPPoE S (0x8864),
length 1514: PPPoE [ses 0x1] MLPPP (0x003d), length 1494: seq 0x000,
Flags [begin], length 1492
52:54:00:70:9e:89 > 52:54:00:5d:6f:b0, ethertype PPPoE S (0x8864),
length 1514: PPPoE [ses 0x1] MLPPP (0x003d), length 1494: seq 0x000,
Flags [none], length 1492
52:54:00:ad:87:fd > 52:54:00:79:5c:d0, ethertype PPPoE S (0x8864),
length 27: PPPoE [ses 0x1] MLPPP (0x003d), length 7: seq 0x000,
Flags [end], length 5
And the ICMPv4 echo request is successfully received at the server side:
IP (tos 0x0, ttl 64, id 21925, offset 0, flags [DF], proto ICMP (1),
length 2976)
192.168.222.2 > 192.168.15.254: ICMP echo request, id 30530, seq 0,
length 2956
The bug was introduced in commit c9aa6895371b2a257401f59d3393c9f7ac5a8698
("[PPPOE]: Advertise PPPoE MTU") from the very beginning. This patch applies
to 3.10 upwards but the fix can be applied (with minor modifications) to
kernels as old as 2.6.32.
Signed-off-by: Christoph Schulz <develop@kristov.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The code in neigh_sysctl_register() relies on a specific layout of
struct neigh_table, namely that the 'gc_*' variables are directly
following the 'parms' member in a specific order. The code, though,
expresses this in the most ugly way.
Get rid of the ugly casts and use the 'tbl' pointer to get a handle to
the table. This way we can refer to the 'gc_*' variables directly.
Similarly seen in the grsecurity patch, written by Brad Spengler.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Brad Spengler <spender@grsecurity.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While working on some other SCTP code, I noticed that some
structures shared with user space are leaking uninitialized
stack or heap buffer. In particular, struct sctp_sndrcvinfo
has a 2 bytes hole between .sinfo_flags and .sinfo_ppid that
remains unfilled by us in sctp_ulpevent_read_sndrcvinfo() when
putting this into cmsg. But also struct sctp_remote_error
contains a 2 bytes hole that we don't fill but place into a skb
through skb_copy_expand() via sctp_ulpevent_make_remote_error().
Both structures are defined by the IETF in RFC6458:
* Section 5.3.2. SCTP Header Information Structure:
The sctp_sndrcvinfo structure is defined below:
struct sctp_sndrcvinfo {
uint16_t sinfo_stream;
uint16_t sinfo_ssn;
uint16_t sinfo_flags;
<-- 2 bytes hole -->
uint32_t sinfo_ppid;
uint32_t sinfo_context;
uint32_t sinfo_timetolive;
uint32_t sinfo_tsn;
uint32_t sinfo_cumtsn;
sctp_assoc_t sinfo_assoc_id;
};
* 6.1.3. SCTP_REMOTE_ERROR:
A remote peer may send an Operation Error message to its peer.
This message indicates a variety of error conditions on an
association. The entire ERROR chunk as it appears on the wire
is included in an SCTP_REMOTE_ERROR event. Please refer to the
SCTP specification [RFC4960] and any extensions for a list of
possible error formats. An SCTP error notification has the
following format:
struct sctp_remote_error {
uint16_t sre_type;
uint16_t sre_flags;
uint32_t sre_length;
uint16_t sre_error;
<-- 2 bytes hole -->
sctp_assoc_t sre_assoc_id;
uint8_t sre_data[];
};
Fix this by setting both to 0 before filling them out. We also
have other structures shared between user and kernel space in
SCTP that contains holes (e.g. struct sctp_paddrthlds), but we
copy that buffer over from user space first and thus don't need
to care about it in that cases.
While at it, we can also remove lengthy comments copied from
the draft, instead, we update the comment with the correct RFC
number where one can look it up.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As of commit f8567a3845ac05bb28f3c1b478ef752762bd39ef it is now possible to
have put_reqs_available() called from irq context. While put_reqs_available()
is per cpu, it did not protect itself from interrupts on the same CPU. This
lead to aio_complete() corrupting the available io requests count when run
under a heavy O_DIRECT workloads as reported by Robert Elliott. Fix this by
disabling irq updates around the per cpu batch updates of reqs_available.
Many thanks to Robert and folks for testing and tracking this down.
Reported-by: Robert Elliot <Elliott@hp.com>
Tested-by: Robert Elliot <Elliott@hp.com>
Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
Cc: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@infradead.org>
Cc: stable@vger.kenel.org
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kcalloc manages count*sizeof overflow.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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tmp_page to be freed if fuse_write_file_get() returns NULL.
Signed-off-by: Maxim Patlasov <mpatlasov@parallels.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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We got a regression report for 3.15.x kernels, and this turned out to
be triggered by the fix for stream assignment order. On reporter's
machine with Intel controller (8086:1e20) + VIA VT1802 codec, the
first playback slot can't work with speaker outputs.
But the original commit was actually a fix for AMD controllers where
no proper GCAP value is returned, we shouldn't revert the whole
commit. Instead, in this patch, a new flag is introduced to determine
the stream assignment order, and follow the old behavior for Intel
controllers.
Fixes: dcb32ecd9a53 ('ALSA: hda - Do not assign streams in reverse order')
Reported-and-tested-by: Steven Newbury <steve@snewbury.org.uk>
Cc: <stable@vger.kernel.org> [v3.15+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RGMII_MODE_EN bit was defined to 0, while it is actually 6. It was not
much of a problem on older designs where this was a no-op, and the RGMII
data-path would always be enabled, but newer GENET controllers need to
explicitely enable their RGMII data-pad using this bit.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 bugfixes from Ted Ts'o:
"More bug fixes for ext4 -- most importantly, a fix for a bug
introduced in 3.15 that can end up triggering a file system corruption
error after a journal replay.
It shouldn't lead to any actual data corruption, but it is scary and
can force file systems to be remounted read-only, etc"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix potential null pointer dereference in ext4_free_inode
ext4: fix a potential deadlock in __ext4_es_shrink()
ext4: revert commit which was causing fs corruption after journal replays
ext4: disable synchronous transaction batching if max_batch_time==0
ext4: clarify ext4_error message in ext4_mb_generate_buddy_error()
ext4: clarify error count warning messages
ext4: fix unjournalled bg descriptor while initializing inode bitmap
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git://git.linaro.org/people/mike.turquette/linux
Pull clock driver fixes from Mike Turquette:
"This batch of fixes is for a handful of clock drivers from Allwinner,
Samsung, ST & TI. Most of them are of the "this hardware won't work
without this fix" variety, including patches that fix platforms that
did not boot under certain configurations. Other fixes are the result
of changes to the clock core introduced in 3.15 that had subtle
impacts on the clock drivers.
There are no fixes to the clock framework core in this pull request"
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
clk: spear3xx: Set proper clock parent of uart1/2
clk: spear3xx: Use proper control register offset
clk: qcom: HDMI source sel is 3 not 2
clk: sunxi: fix devm_ioremap_resource error detection code
clk: s2mps11: Fix double free corruption during driver unbind
clk: ti: am43x: Fix boot with CONFIG_SOC_AM33XX disabled
clk: exynos5420: Remove aclk66_peric from the clock tree description
clk/exynos5250: fix bit number for tv sysmmu clock
clk: s3c64xx: Hookup SPI clocks correctly
clk: samsung: exynos4: Remove SRC_MASK_ISP gates
clk: samsung: add more aliases for s3c24xx
clk: samsung: fix several typos to fix boot on s3c2410
clk: ti: set CLK_SET_RATE_NO_REPARENT for ti,mux-clock
clk: ti: am43x: Fix boot with CONFIG_SOC_AM33XX disabled
clk: ti: dra7: return error code in failure case
clk: ti: apll: not allocating enough data
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This week's arm-soc fixes:
- Another set of OMAP fixes
* Clock fixes
* Restart handling
* PHY regulators
* SATA hwmod data for DRA7
+ Some trivial fixes and removal of a bit of dead code
- Exynos fixes
* A bunch of clock fixes
* Some SMP fixes
* Exynos multi-core timer: register as clocksource and fix ftrace.
+ a few other minor fixes
There's also a couple more patches, and at91 fix for USB caused by
common clock conversion, and more MAINTAINERS entries for shmobile.
We're definitely switching to only regression fixes from here on out,
we've been a little less strict than usual up until now"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
ARM: at91: at91sam9x5: add clocks for usb device
ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250
ARM: dts: Add clock property for mfc_pd in exynos5420
clk: exynos5420: Add IDs for clocks used in PD mfc
ARM: EXYNOS: Add support for clock handling in power domain
ARM: OMAP2+: Remove non working OMAP HDMI audio initialization
ARM: imx: fix shared gate clock
ARM: dts: Update the parent for Audss clocks in Exynos5420
ARM: EXYNOS: Update secondary boot addr for secure mode
ARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA.
ARM: dts: am335x-evmsk: Enable the McASP FIFO for audio
ARM: dts: am335x-evm: Enable the McASP FIFO for audio
ARM: OMAP2+: Make GPMC skip disabled devices
ARM: OMAP2+: create dsp device only on OMAP3 SoCs
ARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always on
ARM: DRA7/AM43XX: fix header definition for omap44xx_restart
ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow
ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss
ARM: DRA7: hwmod: Fixup SATA hwmod
ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver
...
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Pull ARM fixes from Russell King:
"Another round of fixes for ARM:
- a set of kprobes fixes from Jon Medhurst
- fix the revision checking for the L2 cache which wasn't noticed to
have been broken"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: l2c: fix revision checking
ARM: kprobes: Fix test code compilation errors for ARMv4 targets
ARM: kprobes: Disallow instructions with PC and register specified shift
ARM: kprobes: Prevent known test failures stopping other tests running
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k fixes from Geert Uytterhoeven:
"Summary:
- Fix for a boot regression introduced in v3.16-rc1,
- Fix for a build issue in -next"
Christoph Hellwig questioned why mach_random_get_entropy should be
exported to modules, and Geert explains that random_get_entropy() is
called by at least the crypto layer and ends up using it on m68k. On
most other architectures it just uses get_cycles() (which is typically
inlined and doesn't need exporting),
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Export mach_random_get_entropy to modules
m68k: Fix boot regression on machines with RAM at non-zero
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"The major patch in here is one which fixes the fanotify_mark() syscall
in the compat layer of the 64bit parisc kernel. It went unnoticed so
long, because the calling syntax when using a 64bit parameter in a
32bit syscall is quite complex and even worse, it may be even
different if you call syscall() or the glibc wrapper. This patch
makes the kernel accept the calling convention when called by the
glibc wrapper.
The other two patches are trivial and remove unused headers, #includes
and adds the serial ports of the fastest C8000 workstation to the
parisc-kernel internal hardware database"
* 'parisc-3.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: drop unused defines and header includes
parisc: fix fanotify_mark() syscall on 32bit compat kernel
parisc: add serial ports of C8000/1GHz machine to hardware database
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Commit b3d681a4fc108f9653bbb44e4f4e72db2b8a5734 ("firewire: Use
COMPILE_TEST for build testing") added COMPILE_TEST as an alternative
dependency for the purpose of build testing the firewire core.
However, this bypasses all other implicit dependencies assumed by PCI,
like HAS_DMA.
If NO_DMA=y:
drivers/built-in.o: In function `fw_iso_buffer_destroy':
(.text+0x36a096): undefined reference to `dma_unmap_page'
drivers/built-in.o: In function `fw_iso_buffer_map_dma':
(.text+0x36a164): undefined reference to `dma_map_page'
drivers/built-in.o: In function `fw_iso_buffer_map_dma':
(.text+0x36a172): undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `sbp2_send_management_orb':
sbp2.c:(.text+0x36c6b4): undefined reference to `dma_map_single'
sbp2.c:(.text+0x36c6c8): undefined reference to `dma_mapping_error'
sbp2.c:(.text+0x36c772): undefined reference to `dma_map_single'
sbp2.c:(.text+0x36c786): undefined reference to `dma_mapping_error'
sbp2.c:(.text+0x36c854): undefined reference to `dma_unmap_single'
sbp2.c:(.text+0x36c872): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `sbp2_map_scatterlist':
sbp2.c:(.text+0x36ccbc): undefined reference to `scsi_dma_map'
sbp2.c:(.text+0x36cd36): undefined reference to `dma_map_single'
sbp2.c:(.text+0x36cd4e): undefined reference to `dma_mapping_error'
sbp2.c:(.text+0x36cd84): undefined reference to `scsi_dma_unmap'
drivers/built-in.o: In function `sbp2_unmap_scatterlist':
sbp2.c:(.text+0x36cda6): undefined reference to `scsi_dma_unmap'
sbp2.c:(.text+0x36cdc6): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `complete_command_orb':
sbp2.c:(.text+0x36d6ac): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `sbp2_scsi_queuecommand':
sbp2.c:(.text+0x36d8e0): undefined reference to `dma_map_single'
sbp2.c:(.text+0x36d8f6): undefined reference to `dma_mapping_error'
Add an explicit dependency on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The uarts only work when the parent is ras_ahb_clk. The stale 3.5
based ST tree does this in the board file.
Add it to the clk init function. Not pretty, but the mess there is
amazing anyway.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The control register is at offset 0x10, not 0x0. This is wreckaged
since commit 5df33a62c (SPEAr: Switch to common clock framework).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 3.13+
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On parisc we can not use the existing compat implementation for fanotify_mark()
because for the 64bit mask parameter the higher and lower 32bits are ordered
differently than what the compat function expects from big endian
architectures.
Specifically:
It finally turned out, that on hppa we end up with different assignments
of parameters to kernel arguments depending on if we call the glibc
wrapper function
int fanotify_mark (int __fanotify_fd, unsigned int __flags,
uint64_t __mask, int __dfd, const char *__pathname);
or directly calling the syscall manually
syscall(__NR_fanotify_mark, ...)
Reason is, that the syscall() function is implemented as C-function and
because we now have the sysno as first parameter in front of the other
parameters the compiler will unexpectedly add an empty paramenter in
front of the u64 value to ensure the correct calling alignment for 64bit
values.
This means, on hppa you can't simply use syscall() to call the kernel
fanotify_mark() function directly, but you have to use the glibc
function instead.
This patch fixes the kernel in the hppa-arch specifc coding to adjust
the parameters in a way as if userspace calls the glibc wrapper function
fanotify_mark().
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 3.13+
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Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 3.13+
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Pull slave-dmaengine fixes from Vinod Koul:
"We have two small fixes. First one from Daniel to handle 0-length
packets for usb cppi dma. Second by Russell for imx-sdam cyclic
residue reporting"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
Update imx-sdma cyclic handling to report residue
dma: cppi41: handle 0-length packets
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Merge "Samsung fixes-3 for 3.16" from Kukjin Kim:
Samsung fixes-3 for v3.16
- update the parent for Auudss clock because kernel will be hang
during late boot if the parent clock is disabled in bootloader.
- enable clk handing in power domain because while power domain
on/off, its regarding clock source will be reset and it causes
a problem so need to handle it.
- add mux clocks to be used by power domain for exynos5420-mfc
during power domain on/off and property in device tree also.
- register cpuidle only for exynos4210 and exynos5250 because a
system failure will be happened on other exynos SoCs.
* tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250
ARM: dts: Add clock property for mfc_pd in exynos5420
clk: exynos5420: Add IDs for clocks used in PD mfc
ARM: EXYNOS: Add support for clock handling in power domain
ARM: dts: Update the parent for Audss clocks in Exynos5420
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes, PHY driver fixes (they ended up in this
tree for lack of somewhere else to put them), and some new USB device
ids"
* tag 'usb-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
phy: omap-usb2: Balance pm_runtime_enable() on probe failure and remove
phy: core: Fix error path in phy_create()
drivers: phy: phy-samsung-usb2.c: Add missing MODULE_DEVICE_TABLE
phy: omap-usb2: fix devm_ioremap_resource error detection code
phy: sun4i: depend on RESET_CONTROLLER
USB: serial: ftdi_sio: Add Infineon Triboard
USB: ftdi_sio: Add extra PID.
usb: option: Add ID for Telewell TW-LTE 4G v2
USB: cp210x: add support for Corsair usb dongle
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small serial fixes that resolve some reported problems
that started in 3.15 with some serial drivers.
And there's a new dt binding for a serial driver, which was all that
was needed for the renesas serial driver"
* tag 'tty-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: sh-sci: Add device tree support for r8a7{778,740,3a4} and sh73a0
serial: imx: Fix build breakage
serial: arc_uart: Use uart_circ_empty() for open-coded comparison
serial: Test for no tx data on tx restart
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are two hyperv driver fixes, and one i8k driver fix for 3.16"
* tag 'char-misc-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
i8k: Fix non-SMP operation
Drivers: hv: util: Fix a bug in the KVP code
Drivers: hv: vmbus: Fix a bug in the channel callback dispatch code
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO fixes from Greg KH:
"Here are some IIO driver fixes for 3.16-rc5. Nothing major, just
resolves some minor issues that have been reported"
* tag 'staging-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: ti_am335x_adc: Fix: Use same step id at FIFOs both ends
iio:tcs3472: Check for buffer enabled and locking
iio: hid-sensor-prox: Fix return values
iio: hid-sensor-gyro-3d: Fix return values
iio: hid-sensor-als: Fix return values
iio: hid-sensor-magn-3d: Fix return values
iio: hid-sensor-accel-3d: Fix return values
iio: hid-sensor-press: Fix return values
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Fix potential null pointer dereferencing problem caused by e43bb4e612
("ext4: decrement free clusters/inodes counters when block group declared bad")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
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This fixes the following lockdep complaint:
[ INFO: possible circular locking dependency detected ]
3.16.0-rc2-mm1+ #7 Tainted: G O
-------------------------------------------------------
kworker/u24:0/4356 is trying to acquire lock:
(&(&sbi->s_es_lru_lock)->rlock){+.+.-.}, at: [<ffffffff81285fff>] __ext4_es_shrink+0x4f/0x2e0
but task is already holding lock:
(&ei->i_es_lock){++++-.}, at: [<ffffffff81286961>] ext4_es_insert_extent+0x71/0x180
which lock already depends on the new lock.
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ei->i_es_lock);
lock(&(&sbi->s_es_lru_lock)->rlock);
lock(&ei->i_es_lock);
lock(&(&sbi->s_es_lru_lock)->rlock);
*** DEADLOCK ***
6 locks held by kworker/u24:0/4356:
#0: ("writeback"){.+.+.+}, at: [<ffffffff81071d00>] process_one_work+0x180/0x560
#1: ((&(&wb->dwork)->work)){+.+.+.}, at: [<ffffffff81071d00>] process_one_work+0x180/0x560
#2: (&type->s_umount_key#22){++++++}, at: [<ffffffff811a9c74>] grab_super_passive+0x44/0x90
#3: (jbd2_handle){+.+...}, at: [<ffffffff812979f9>] start_this_handle+0x189/0x5f0
#4: (&ei->i_data_sem){++++..}, at: [<ffffffff81247062>] ext4_map_blocks+0x132/0x550
#5: (&ei->i_es_lock){++++-.}, at: [<ffffffff81286961>] ext4_es_insert_extent+0x71/0x180
stack backtrace:
CPU: 0 PID: 4356 Comm: kworker/u24:0 Tainted: G O 3.16.0-rc2-mm1+ #7
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Workqueue: writeback bdi_writeback_workfn (flush-253:0)
ffffffff8213dce0 ffff880014b07538 ffffffff815df0bb 0000000000000007
ffffffff8213e040 ffff880014b07588 ffffffff815db3dd ffff880014b07568
ffff880014b07610 ffff88003b868930 ffff88003b868908 ffff88003b868930
Call Trace:
[<ffffffff815df0bb>] dump_stack+0x4e/0x68
[<ffffffff815db3dd>] print_circular_bug+0x1fb/0x20c
[<ffffffff810a7a3e>] __lock_acquire+0x163e/0x1d00
[<ffffffff815e89dc>] ? retint_restore_args+0xe/0xe
[<ffffffff815ddc7b>] ? __slab_alloc+0x4a8/0x4ce
[<ffffffff81285fff>] ? __ext4_es_shrink+0x4f/0x2e0
[<ffffffff810a8707>] lock_acquire+0x87/0x120
[<ffffffff81285fff>] ? __ext4_es_shrink+0x4f/0x2e0
[<ffffffff8128592d>] ? ext4_es_free_extent+0x5d/0x70
[<ffffffff815e6f09>] _raw_spin_lock+0x39/0x50
[<ffffffff81285fff>] ? __ext4_es_shrink+0x4f/0x2e0
[<ffffffff8119760b>] ? kmem_cache_alloc+0x18b/0x1a0
[<ffffffff81285fff>] __ext4_es_shrink+0x4f/0x2e0
[<ffffffff812869b8>] ext4_es_insert_extent+0xc8/0x180
[<ffffffff812470f4>] ext4_map_blocks+0x1c4/0x550
[<ffffffff8124c4c4>] ext4_writepages+0x6d4/0xd00
...
Reported-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reported-by: Minchan Kim <minchan@kernel.org>
Cc: stable@vger.kernel.org
Cc: Zheng Liu <gnehzuil.liu@gmail.com>
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Dell kernel driver dell-smo8800 provides same freefall interface as hp_accel so
program hpfall.c works also on Dell laptops. So rename it to freefall.c.
Dell driver does not provide hp::hddprotect led so make sure that freefall.c
works also if hp::hddprotect does not exist in sysfs.
Additionally write info to syslog.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Sonal Santan <sonal.santan@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch fixed spelling typo in various template files
within Documentation/Docbook.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch fixed spelling typo found in DocBook/mtdnand.tmpl.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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