Commit graph

525877 commits

Author SHA1 Message Date
Herbert Xu
055906d1e7 crypto: eseqiv - Offer normal cipher functionality without RNG
The RNG may not be available during early boot, e.g., the relevant
modules may not be included in the initramfs.  As the RNG Is only
needed for IPsec, we should not let this prevent use of ciphers
without IV generators, e.g., for disk encryption.

This patch postpones the RNG allocation to the init function so
that one failure during early boot does not make the RNG unavailable
for all subsequent users of the same cipher.

More importantly, it lets the cipher live even if RNG allocation
fails.  Of course we no longer offer IV generation and which will
fail with an error if invoked.  But all other cipher capabilities
will function as usual.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-22 15:49:28 +08:00
Herbert Xu
341476d6cf crypto: chainiv - Offer normal cipher functionality without RNG
The RNG may not be available during early boot, e.g., the relevant
modules may not be included in the initramfs.  As the RNG Is only
needed for IPsec, we should not let this prevent use of ciphers
without IV generators, e.g., for disk encryption.

This patch postpones the RNG allocation to the init function so
that one failure during early boot does not make the RNG unavailable
for all subsequent users of the same cipher.

More importantly, it lets the cipher live even if RNG allocation
fails.  Of course we no longer offer IV generation and which will
fail with an error if invoked.  But all other cipher capabilities
will function as usual.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-22 15:49:28 +08:00
Herbert Xu
9aa867e465 crypto: user - Add CRYPTO_MSG_DELRNG
This patch adds a new crypto_user command that allows the admin to
delete the crypto system RNG.  Note that this can only be done if
the RNG is currently not in use.  The next time it is used a new
system RNG will be allocated.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-22 15:49:27 +08:00
Herbert Xu
d049752465 crypto: user - Move cryptouser.h to uapi
The header file cryptouser.h only contains information that is
exported to user-space.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-22 15:49:26 +08:00
Herbert Xu
7cecadb7cc crypto: rng - Do not free default RNG when it becomes unused
Currently we free the default RNG when its use count hits zero.
This was OK when the IV generators would latch onto the RNG at
instance creation time and keep it until the instance is torn
down.

Now that IV generators only keep the RNG reference during init
time this scheme causes the default RNG to come and go at a high
frequencey.  This is highly undesirable as we want to keep a single
RNG in use unless the admin wants it to be removed.

This patch changes the scheme so that the system RNG once allocated
is never removed unless a specifically requested.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-22 15:49:18 +08:00
Herbert Xu
21dbd96f22 crypto: skcipher - Allow givencrypt to be NULL
Currently for skcipher IV generators they must provide givencrypt
as that is the whole point.  We are currently replacing skcipher
IV generators with explicit IV generators.  In order to maintain
backwards compatibility, we need to allow the IV generators to
still function as a normal skcipher when the RNG Is not present
(e.g., in the initramfs during boot).  IOW everything but givencrypt
and givdecrypt will still work but those two will fail.

Therefore this patch assigns a default givencrypt that simply
returns an error should it be NULL.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-22 15:49:16 +08:00
Ingo Molnar
7ef3d7d58d Merge branches 'x86/apic', 'x86/asm', 'x86/mm' and 'x86/platform' into x86/core, to merge last updates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-22 09:15:03 +02:00
Maciej S. Szmigiero
761c1770f2 hwmon: add driver for Microchip TC74
Add hwmon driver for the Microchip TC74.

The TC74 is a single-input 8-bit I2C temperature sensor,
with +-2 degrees centigrade accuracy.

Signed-off-by: Maciej Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2015-06-21 22:54:53 -07:00
Linus Torvalds
b953c0d234 Linux 4.1 2015-06-21 22:05:43 -07:00
Paul Gortmaker
1cb6c21518 clocksource: Increase dependencies of timer-stm32 to limit build wreckage
This driver leaks out into arch/parisc builds that don't have
CONFIG_GENERIC_CLOCKEVENTS, leading to the following (truncated)
wreckage:

  CC      drivers/clocksource/timer-stm32.o
drivers/clocksource/timer-stm32.c:38:28: error: field 'evtdev' has incomplete type
drivers/clocksource/timer-stm32.c:44:19: warning: 'enum clock_event_mode' declared inside parameter list
drivers/clocksource/timer-stm32.c:44:19: warning: its scope is only this definition or declaration, which is probably not what you want
drivers/clocksource/timer-stm32.c:43:62: error: parameter 1 ('mode') has incomplete type
drivers/clocksource/timer-stm32.c:43:13: error: function declaration isn't a prototype
drivers/clocksource/timer-stm32.c: In function 'stm32_clock_event_set_mode':
drivers/clocksource/timer-stm32.c:47:3: error: type defaults to 'int' in declaration of '__mptr'
drivers/clocksource/timer-stm32.c:47:3: warning: initialization from incompatible pointer type
drivers/clocksource/timer-stm32.c:51:7: error: 'CLOCK_EVT_MODE_PERIODIC' undeclared (first use in this function)
drivers/clocksource/timer-stm32.c:51:7: note: each undeclared identifier is reported only once for each function it appears in
drivers/clocksource/timer-stm32.c:56:7: error: 'CLOCK_EVT_MODE_ONESHOT' undeclared (first use in this function)

Tighten up the dependencies to limit where it gets built by copying
the style of the Kconfig line for CLKSRC_EFM32 a few lines above.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: http://lkml.kernel.org/r/1434841352-24300-1-git-send-email-paul.gortmaker@windriver.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-06-21 20:01:48 +02:00
David S. Miller
54db01a20e Merge branch 'bna-cleanups'
Ivan Vecera says:

====================
bna: clean-up 2

Next round of cleaning patches.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:29:07 -07:00
Ivan Vecera
ebb56d37ab bna: remove superfluous parentheses
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:29:02 -07:00
Ivan Vecera
558caad749 bna: make pointers to read-only inputs const
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:29:01 -07:00
Ivan Vecera
8e8942b1b3 bna: remove unnecessary cast of BIT value
BIT value is already unsigned so casting is not necessary.

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:29:00 -07:00
Willem de Bruijn
468479e604 packet: avoid out of bounds read in round robin fanout
PACKET_FANOUT_LB computes f->rr_cur such that it is modulo
f->num_members. It returns the old value unconditionally, but
f->num_members may have changed since the last store. Ensure
that the return value is always < num.

When modifying the logic, simplify it further by replacing the loop
with an unconditional atomic increment.

Fixes: dc99f60069 ("packet: Add fanout support.")
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:24:37 -07:00
Roopa Prabhu
a2bb6d7d6f ipv4: include NLM_F_APPEND flag in append route notifications
This patch adds NLM_F_APPEND flag to struct nlmsg_hdr->nlmsg_flags
in newroute notifications if the route add was an append.
(This is similar to how NLM_F_REPLACE is already part of new
route replace notifications today)

This helps userspace determine if the route add operation was
an append.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:23:04 -07:00
David Herrmann
b42be38b27 netlink: add API to retrieve all group memberships
This patch adds getsockopt(SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS) to
retrieve all groups a socket is a member of. Currently, we have to use
getsockname() and look at the nl.nl_groups bitmask. However, this mask is
limited to 32 groups. Hence, similar to NETLINK_ADD_MEMBERSHIP and
NETLINK_DROP_MEMBERSHIP, this adds a separate sockopt to manager higher
groups IDs than 32.

This new NETLINK_LIST_MEMBERSHIPS option takes a pointer to __u32 and the
size of the array. The array is filled with the full membership-set of the
socket, and the required array size is returned in optlen. Hence,
user-space can retry with a properly sized array in case it was too small.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:18:18 -07:00
Craig Gallek
e0df02e0c2 sock_diag: fetch source port from inet_sock
When an inet_sock is destroyed, its source port (sk_num) is set to
zero as part of the unhash procedure.  In order to supply a source
port as part of the NETLINK_SOCK_DIAG socket destruction broadcasts,
the source port number must be read from inet_sport instead.

Tested: ss -E
Signed-off-by: Craig Gallek <kraig@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:16:50 -07:00
Johannes Berg
51f458d961 mac80211: fix locking in update_vlan_tailroom_need_count()
Unfortunately, Michal's change to fix AP_VLAN crypto tailroom
caused a locking issue that was reported by lockdep, but only
in a few cases - the issue was a classic ABBA deadlock caused
by taking the mtx after the key_mtx, where normally they're
taken the other way around.

As the key mutex protects the field in question (I'm adding a
few annotations to make that clear) only the iteration needs
to be protected, but we can also iterate the interface list
with just RCU protection while holding the key mutex.

Fixes: f9dca80b98 ("mac80211: fix AP_VLAN crypto tailroom calculation")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:06:07 -07:00
Antonio Borneo
b7d3282a24 net: via/Kconfig: replace USE_OF with OF_???
USE_OF is used as intermediate Kconfig option by few
arch's (ARM, MIPS, Xtensa).
Replace instances of USE_OF outside of arch folders
with proper OF_???.

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:05:05 -07:00
Antonio Borneo
ecdd1409ba net: via-rhine: remove unneeded include file
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:03:19 -07:00
Zhaowei Yuan
638579f00a net: Update out-of-date comment
Struct inet_proto no longer exists, so update the
comment which is out of date.

Signed-off-by: Zhaowei Yuan <zhaowei.yuan@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 10:00:07 -07:00
Oliver Hartkopp
36c01245eb can: fix loss of CAN frames in raw_rcv
As reported by Manfred Schlaegl here

   http://marc.info/?l=linux-netdev&m=143482089824232&w=2

commit 514ac99c64 "can: fix multiple delivery of a single CAN frame for
overlapping CAN filters" requires the skb->tstamp to be set to check for
identical CAN skbs.

As net timestamping is influenced by several players (netstamp_needed and
netdev_tstamp_prequeue) Manfred missed a proper timestamp which leads to
CAN frame loss.

As skb timestamping became now mandatory for CAN related skbs this patch
makes sure that received CAN skbs always have a proper timestamp set.
Maybe there's a better solution in the future but this patch fixes the
CAN frame loss so far.

Reported-by: Manfred Schlaegl <manfred.schlaegl@gmx.at>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2015-06-21 18:58:58 +02:00
Hariprasad Shenai
9574dc6457 cxgb4: Add PCI device ID for custom T522 & T520 adapter
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:58:13 -07:00
Nicolai Stange
7b48f45797 isdn: disable HiSax NetJet driver on microblaze arch
Fix an allmodconfig compilation failer on microblaze due to big endian
architectures being apparently unsupported by the NetJet code:
  drivers/isdn/hisax/nj_s.c: In function 'setup_netjet_s':
  drivers/isdn/hisax/nj_s.c:265:2:
      error: #error "not running on big endian machines now"

Modify the relevant Kconfig such that the NetJet code is not built on
microblaze anymore.

Note that endianess on microblaze is not determined through Kconfig,
but by means of a compiler provided CPP macro, namely __MICROBLAZEEL__.
However, gcc defaults to big endianess on that platform.

Signed-off-by: Nicolai Stange <nicstange@gmail.com>
Acked-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:53:01 -07:00
Raghu Vatsavayi
3dc817d212 Modify Liquidio Kconfig for crc lib
Following patch contains changes in liquidio Kconfig for
selecting LIBCRC32C.

Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:51:22 -07:00
Kees Cook
92a486ca3a cxgb3: avoid needless buffer copy for firmware
There's no reason to perform a buffer copy for the firmware name. This
also avoids a (currently impossible with current callers) NULL dereference
if there was no matching firmware.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:49:55 -07:00
Andrea Parri
a55e1c5c26 pkt_sched: sch_qfq: remove redundant -if- control statement
The control !hlist_unhashed() in qfq_destroy_agg() is unnecessary
because already performed in hlist_del_init(), so remove it.

Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:47:24 -07:00
Julian Anastasov
2c51a97f76 neigh: do not modify unlinked entries
The lockless lookups can return entry that is unlinked.
Sometimes they get reference before last neigh_cleanup_and_release,
sometimes they do not need reference. Later, any
modification attempts may result in the following problems:

1. entry is not destroyed immediately because neigh_update
can start the timer for dead entry, eg. on change to NUD_REACHABLE
state. As result, entry lives for some time but is invisible
and out of control.

2. __neigh_event_send can run in parallel with neigh_destroy
while refcnt=0 but if timer is started and expired refcnt can
reach 0 for second time leading to second neigh_destroy and
possible crash.

Thanks to Eric Dumazet and Ying Xue for their work and analyze
on the __neigh_event_send change.

Fixes: 767e97e1e0 ("neigh: RCU conversion of struct neighbour")
Fixes: a263b30936 ("ipv4: Make neigh lookups directly in output packet path.")
Fixes: 6fd6ce2056 ("ipv6: Do not depend on rt->n in ip6_finish_output2().")
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:43:40 -07:00
Julien Grall
68946159da net/xen-netback: Don't mix hexa and decimal with 0x in the printf format
Append 0x to all %x in order to avoid while reading when there is other
decimal value in the log.

Also replace some of the hexadecimal print to decimal to uniformize the
format with netfront.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: netdev@vger.kernel.org
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:40:41 -07:00
Julien Grall
44f0764cfe net/xen-netback: Remove unused code in xenvif_rx_action
The variables old_req_cons and ring_slots_used are assigned but never
used since commit 1650d5455b "xen-netback:
always fully coalesce guest Rx packets".

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:40:40 -07:00
Julien Grall
6c10127d91 net/xen-netfront: Correct printf format in xennet_get_responses
rx->status is an int16_t, print it using %d rather than %u in order to
have a meaningful value when the field is negative.

Also use %u rather than %x for rx->offset.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:40:40 -07:00
Fabian Frederick
d2a9ec6472 net: rds: use for_each_sg() for scatterlist parsing
This patch also renames sg to sglist and aligns function parameters.
See Documentation/DMA-API.txt - Part Id for scatterlist details

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:32:08 -07:00
Willem de Bruijn
59f211181b packet: free packet_rollover after synchronize_net
Destruction of the po->rollover must be delayed until there are no
more packets in flight that can access it. The field is destroyed in
packet_release, before synchronize_net. Delay using rcu.

Fixes: 0648ab70af ("packet: rollover prepare: per-socket state")

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:30:42 -07:00
Eric Dumazet
f98f4514d0 packet: read num_members once in packet_rcv_fanout()
We need to tell compiler it must not read f->num_members multiple
times. Otherwise testing if num is not zero is flaky, and we could
attempt an invalid divide by 0 in fanout_demux_cpu()

Note bug was present in packet_rcv_fanout_hash() and
packet_rcv_fanout_lb() but final 3.1 had a simple location
after commit 95ec3eb417 ("packet: Add 'cpu' fanout policy.")

Fixes: dc99f60069 ("packet: Add fanout support.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-21 09:23:22 -07:00
Thomas Gleixner
cb17b2a674 x86/hpet: Use proper hpet device number for MSI allocation
hpet_assign_irq() is called with hpet_device->num as "hardware
interrupt number", but hpet_device->num is initialized after the
interrupt has been assigned, so it's always 0. As a consequence only
the first MSI allocation succeeds, the following ones fail because the
"hardware interrupt number" already exists.

Move the initialization of dev->num and other fields before the call
to hpet_assign_irq(), which is the ordering before the offending
commit which introduced that regression.

Fixes: "3cb96f0c9733 x86/hpet: Enhance HPET IRQ to support hierarchical irqdomains"
Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1506211635010.4107@nanos
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
2015-06-21 16:38:40 +02:00
Fabio Estevam
7eac7144dd crypto: sahara - propagate the error on clk_disable_unprepare() failure
clk_prepare_enable() may fail, so we should better check its return value
and propagate it in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-21 19:59:28 +08:00
Tadeusz Struk
425e0172a5 crypto: rsa - fix invalid select for AKCIPHER
Should be CRYPTO_AKCIPHER instead of AKCIPHER

Reported-by: Andreas Ruprecht <andreas.ruprecht@fau.de>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-21 19:59:28 +08:00
Michael van der Westhuizen
1bd2cd6bc6 crypto: picoxcell - Update to the current clk API
The picoXcell hardware crypto accelerator driver was using an
older version of the clk framework, and not (un)preparing the
clock before enabling/disabling it.  This change uses the handy
clk_prepare_enable function to interact with the current clk
framework correctly.

Signed-off-by: Michael van der Westhuizen <michael@smart-africa.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-21 19:59:22 +08:00
Herbert Xu
8000112ced crypto: nx - Check for bogus firmware properties
The nx driver reads two crucial paramters from the firmware for
each crypto algorithm, the maximum SG list length and byte limit.
Unfortunately those two parameters may be bogus, or worse they
may be absent altogether.  When this happens the algorithms will
still register successfully but will fail when used or tested.

This patch adds checks to report any firmware entries which are
found to be bogus, and avoid registering algorithms which have
bogus parameters.  A warning is also printed when an algorithm
is not registered because of this as there may have been no firmware
entries for it at all.

Reported-by: Ondrej Moriš <omoris@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-21 19:59:21 +08:00
Linus Torvalds
d2228e4310 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull scsi target fixes from Nicholas Bellinger:
 "Apologies for the late pull request.

  Here are the outstanding target-pending fixes for v4.1 code.

  The series contains three patches from Sagi + Co that address a few
  iser-target issues that have been uncovered during recent testing at
  Mellanox.

  Patch #1 has a v3.16+ stable tag, and #2-3 have v3.10+ stable tags"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  iser-target: Fix possible use-after-free
  iser-target: release stale iser connections
  iser-target: Fix variable-length response error completion
2015-06-20 17:26:01 -07:00
David S. Miller
120119623b Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
Netfilter updates for net-next

The following patchset contains a final Netfilter pull request for net-next
4.2. This mostly addresses some fallout from the previous pull request, small
netns updates and a couple of new features for nfnetlink_log and the socket
match that didn't get in time for the previous pull request. More specifically
they are:

1) Add security context information to nfnetlink_queue, from Roman Kubiak.

2) Add support to restore the sk_mark into skb->mark through xt_socket,
   from Harout Hedeshian.

3) Force alignment of 16 bytes of per cpu xt_counters, from Eric Dumazet.

4) Rename br_netfilter.c to br_netfilter_hooks.c to prepare split of IPv6 code
   into a separated file.

5) Move the IPv6 code in br_netfilter into a separated file.

6) Remove unused RCV_SKB_FAIL() in nfnetlink_queue and nfetlink_log, from Eric
   Biederman.

7) Two liner to simplify netns logic in em_ipset_match().

8) Add missing includes to net/net_namespace.h to avoid compilation problems
   that result from not including linux/netfilter.h in netns headers.

9) Use a forward declaration instead of including linux/proc_fs.h from
   netns/netfilter.h

10) Add a new linux/netfilter_defs.h to replace the linux/netfilter.h inclusion
    in netns headers.

11) Remove spurious netfilter.h file included in the net tree, also from Eric
    Biederman.

12) Fix x_tables compilation warnings on 32 bits platforms that resulted from
    recent changes in x_tables counters, from Florian Westphal.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-20 15:39:40 -07:00
Linus Torvalds
8f4ce072bf Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "A smattering of fixes,

  mgag200:
      don't accept modes that aren't aligned properly as hw can't do it

  i915:
      two regression fixes

  radeon:
      one query to allow userspace fixes
      one oops fixer for older hw with new options enabled"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: don't probe MST on hw we don't support it on
  drm/radeon: Add RADEON_INFO_VA_UNMAP_WORKING query
  drm/mgag200: Reject non-character-cell-aligned mode widths
  Revert "drm/i915: Don't skip request retirement if the active list is empty"
  drm/i915: Always reset vma->ggtt_view.pages cache on unbinding
2015-06-20 13:54:22 -07:00
Thomas Gleixner
f05218651b Merge branch 'irq/for-x86' into irq/core
Get the infrastructure patches which are required for x86/apic into core
2015-06-20 19:14:31 +02:00
Thomas Gleixner
a614a610ac genirq: Remove bogus restriction in irq_move_mask_irq()
If an interrupt is marked with the no balancing flag, we still allow
setting the affinity for such an interrupt from the kernel itself, but
for interrupts which move the affinity from interrupt context via
irq_move_mask_irq() this runs into a check for the no balancing flag,
which in turn ends up with an endless storm of stack dumps because the
move pending flag is not reset.

Allow the move for interrupts which have the no balancing flag set and
clear the move pending bit before checking for interrupts with the per
cpu flag set.

Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1506201002570.4107@nanos
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-06-20 19:05:14 +02:00
Jiang Liu
bafac298fb x86/hpet: Check for irq==0 when allocating hpet MSI interrupts
irq == 0 is not a valid irq for a irqdomain MSI allocation, but hpet
code checks only for negative return values.

Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/558447AF.30703@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-06-20 12:00:58 +02:00
Narsimhulu Musini
c8806b6c9e snic: driver for Cisco SCSI HBA
Cisco has developed a new PCI HBA interface called sNIC, which stands for
SCSI NIC. This is a new storage feature supported on specialized network
adapter. The new PCI function provides a uniform host interface and abstracts
backend storage.

[jejb: fix up checkpatch errors]
Signed-off-by: Narsimhulu Musini <nmusini@cisco.com>
Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-06-19 16:57:51 -07:00
Ingo Molnar
a9a3cd900f perf/core improvements and fixes:
User visible:
 
 - Replace CTRL+z with 'f' as hotkey for enable/disable events (Arnaldo Carvalho de Melo)
 
 - Do not exit when 'f' is pressed in 'report' mode (Arnaldo Carvalho de Melo)
 
 - Tell the user how to unfreeze events after pressing 'f' in 'perf top' (Arnaldo Carvalho de Melo)
 
 - React to unassigned hotkey pressing in 'top/report' (Arnaldo Carvalho de Melo)
 
 - Display total number of samples with --show-total-period in 'annotate' (Martin Liška)
 
 - Add timeout to make procfs mmap processing more robust (Kan Liang)
 
 - Fix sort__sym_cmp to also compare end of symbol (Yannick Brosseau)
 
 Infrastructure:
 
 - Ensure thread-stack is flushed (Adrian Hunter)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

User visible changes:

  - Replace CTRL+z with 'f' as hotkey for enable/disable events (Arnaldo Carvalho de Melo)

  - Do not exit when 'f' is pressed in 'report' mode (Arnaldo Carvalho de Melo)

  - Tell the user how to unfreeze events after pressing 'f' in 'perf top' (Arnaldo Carvalho de Melo)

  - React to unassigned hotkey pressing in 'top/report' (Arnaldo Carvalho de Melo)

  - Display total number of samples with --show-total-period in 'annotate' (Martin Liška)

  - Add timeout to make procfs mmap processing more robust (Kan Liang)

  - Fix sort__sym_cmp to also compare end of symbol (Yannick Brosseau)

Infrastructure changes:

  - Ensure thread-stack is flushed (Adrian Hunter)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-20 01:11:11 +02:00
Ingo Molnar
0f02adaa49 perf/urgent fix:
User visible:
 
 - Fix build breakage if prefix= is specified, this introduced
   a regression for a build idiom used by the Debian "linux-tools"
   package, that does:
 
      MAKE_PERF := $(MAKE) prefix=/usr V=1 ARCH=$(KERNEL_ARCH_PERF) ...
 
   Fix it. (Lukas Wunner)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fix from Arnaldo Carvalho de Melo:

  - Fix build breakage if prefix= is specified, this introduced
    a regression for a build idiom used by the Debian "linux-tools"
    package, that does:

       MAKE_PERF := $(MAKE) prefix=/usr V=1 ARCH=$(KERNEL_ARCH_PERF) ...

    Fix it. (Lukas Wunner)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-20 01:07:02 +02:00
Kan Liang
9d9cad763c perf tools: Configurable per thread proc map processing time out
The time out to limit the individual proc map processing was hard code
to 500ms. This patch introduce a new option --proc-map-timeout to make
the time limit configurable.

Signed-off-by: Kan Liang <kan.liang@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ying Huang <ying.huang@intel.com>
Link: http://lkml.kernel.org/r/1434549071-25611-2-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-19 18:27:13 -03:00