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The firmware spec states that the timeout for all commands should be 60 seconds.
In the past, the spec indicated that there were several classes of timeout
(short, medium, and long). The driver has these different timeout classes.
We leave the class differentiation in the driver as-is (to protect against any
future spec changes), but set the timeout for all classes to be 60 seconds.
In addition, we fix a few commands which had hard-coded numeric timeouts specified.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the firmware can detect a bad cable, allow it to generate an
event, and print the problem in the log.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previous commit is based on a wrong assumption, fdb messages are always sent
into the netns where the interface stands (see vxlan_fdb_notify()).
These fdb messages doesn't embed the rtnl attribute IFLA_LINK_NETNSID, thus we
need to add it (useful to interpret NDA_IFINDEX or NDA_DST for example).
Note also that vxlan_nlmsg_size() was not updated.
Fixes: 193523bf9373 ("vxlan: advertise netns of vxlan dev in fdb msg")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fix sparse warning about non-static function
drivers/net/bonding/bond_main.c:3737:5: warning: symbol
'bond_3ad_xor_xmit' was not declared. Should it be static?
Reviewed-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: Jonathan Toppins <jtoppins@cumulusnetworks.com>
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cc: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: Jonathan Toppins <jtoppins@cumulusnetworks.com>
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
arch/arm/boot/dts/imx6sx-sdb.dts
net/sched/cls_bpf.c
Two simple sets of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) Don't OOPS on socket AIO, from Christoph Hellwig.
2) Scheduled scans should be aborted upon RFKILL, from Emmanuel
Grumbach.
3) Fix sleep in atomic context in kvaser_usb, from Ahmed S Darwish.
4) Fix RCU locking across copy_to_user() in bpf code, from Alexei
Starovoitov.
5) Lots of crash, memory leak, short TX packet et al bug fixes in
sh_eth from Ben Hutchings.
6) Fix memory corruption in SCTP wrt. INIT collitions, from Daniel
Borkmann.
7) Fix return value logic for poll handlers in netxen, enic, and bnx2x.
From Eric Dumazet and Govindarajulu Varadarajan.
8) Header length calculation fix in mac80211 from Fred Chou.
9) mv643xx_eth doesn't handle highmem correctly in non-TSO code paths.
From Ezequiel Garcia.
10) udp_diag has bogus logic in it's hash chain skipping, copy same fix
tcp diag used. From Herbert Xu.
11) amd-xgbe programs wrong rx flow control register, from Thomas
Lendacky.
12) Fix race leading to use after free in ping receive path, from Subash
Abhinov Kasiviswanathan.
13) Cache redirect routes otherwise we can get a heavy backlog of rcu
jobs liberating DST_NOCACHE entries. From Hannes Frederic Sowa.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (48 commits)
net: don't OOPS on socket aio
stmmac: prevent probe drivers to crash kernel
bnx2x: fix napi poll return value for repoll
ipv6: replacing a rt6_info needs to purge possible propagated rt6_infos too
sh_eth: Fix DMA-API usage for RX buffers
sh_eth: Check for DMA mapping errors on transmit
sh_eth: Ensure DMA engines are stopped before freeing buffers
sh_eth: Remove RX overflow log messages
ping: Fix race in free in receive path
udp_diag: Fix socket skipping within chain
can: kvaser_usb: Fix state handling upon BUS_ERROR events
can: kvaser_usb: Retry the first bulk transfer on -ETIMEDOUT
can: kvaser_usb: Send correct context to URB completion
can: kvaser_usb: Do not sleep in atomic context
ipv4: try to cache dst_entries which would cause a redirect
samples: bpf: relax test_maps check
bpf: rcu lock must not be held when calling copy_to_user()
net: sctp: fix slab corruption from use after free on INIT collisions
net: mv643xx_eth: Fix highmem support in non-TSO egress path
sh_eth: Fix serialisation of interrupt disable with interrupt & NAPI handlers
...
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In order to avoid double calls to phydev->drv->suspend and resume, keep
track of whether the PHY has already been suspended as a consequence of
a successful call to phy_suspend(). We will use this in our MDIO bus
suspend/resume hooks to avoid a double suspend call.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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has_fixups was introduced to help keeping track of fixups/quirks running
on a PHY device, but we did not update the comment above struct
phy_device accordingly.
Fixes: b0ae009f3dc14 (net: phy: add "has_fixups" boolean property")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Not caching dst_entries which cause redirects could be exploited by hosts
on the same subnet, causing a severe DoS attack. This effect aggravated
since commit f88649721268999 ("ipv4: fix dst race in sk_dst_get()").
Lookups causing redirects will be allocated with DST_NOCACHE set which
will force dst_release to free them via RCU. Unfortunately waiting for
RCU grace period just takes too long, we can end up with >1M dst_entries
waiting to be released and the system will run OOM. rcuos threads cannot
catch up under high softirq load.
Attaching the flag to emit a redirect later on to the specific skb allows
us to cache those dst_entries thus reducing the pressure on allocation
and deallocation.
This issue was discovered by Marcelo Leitner.
Cc: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Marcelo Leitner <mleitner@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge misc fixes from Andrew Morton:
"Six fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
drivers/rtc/rtc-s5m.c: terminate s5m_rtc_id array with empty element
printk: add dummy routine for when CONFIG_PRINTK=n
mm/vmscan: fix highidx argument type
memcg: remove extra newlines from memcg oom kill log
x86, build: replace Perl script with Shell script
mm: page_alloc: embed OOM killing naturally into allocation slowpath
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Kalle Valo says:
====================
pull-request: wireless-drivers-next 2015-01-22
now a bigger pull request for net-next. Rafal found a UTF-8 bug in
patchwork[1] and because of that two commits (d0c102f70aec and
d0f66df5392a) have his name corrupted:
Acked-by: Rafa? Mi?ecki <zajec5@gmail.com>
Somehow I failed to spot that when I commited the patches. As rebasing
public git trees is bad, I thought we can live with these and decided
not to rebase. But I'll pay close attention to this in the future to
make sure that it won't happen again. Also we requested an update to
patchwork.kernel.org, the latest patchwork doesn't seem to have this
bug.
Also please note this pull request also adds one DT binding doc, but
this was reviewed in the device tree list:
.../bindings/net/wireless/qcom,ath10k.txt | 30 +
Please let me know if you have any issues.
[1] https://lists.ozlabs.org/pipermail/patchwork/2015-January/001261.html
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously, flows were manipulated by userspace specifying a full,
unmasked flow key. This adds significant burden onto flow
serialization/deserialization, particularly when dumping flows.
This patch adds an alternative way to refer to flows using a
variable-length "unique flow identifier" (UFID). At flow setup time,
userspace may specify a UFID for a flow, which is stored with the flow
and inserted into a separate table for lookup, in addition to the
standard flow table. Flows created using a UFID must be fetched or
deleted using the UFID.
All flow dump operations may now be made more terse with OVS_UFID_F_*
flags. For example, the OVS_UFID_F_OMIT_KEY flag allows responses to
omit the flow key from a datapath operation if the flow has a
corresponding UFID. This significantly reduces the time spent assembling
and transacting netlink messages. With all OVS_UFID_F_OMIT_* flags
enabled, the datapath only returns the UFID and statistics for each flow
during flow dump, increasing ovs-vswitchd revalidator performance by 40%
or more.
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The first user will be the next patch.
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull regulator fixes from Mark Brown:
"One correctness fix here for the s2mps11 driver which would have
resulted in some of the regulators being completely broken together
with a fix for locking in regualtor_put() (which is fortunately rarely
called at all in practical systems)"
* tag 'regulator-v3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: s2mps11: Fix wrong calculation of register offset
regulator: core: fix race condition in regulator_put()
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There are missing dummy routines for log_buf_addr_get() and
log_buf_len_get() for when CONFIG_PRINTK is not set causing build
failures.
This patch adds these dummy routines at the appropriate location.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The OOM killing invocation does a lot of duplicative checks against the
task's allocation context. Rework it to take advantage of the existing
checks in the allocator slowpath.
The OOM killer is invoked when the allocator is unable to reclaim any
pages but the allocation has to keep looping. Instead of having a check
for __GFP_NORETRY hidden in oom_gfp_allowed(), just move the OOM
invocation to the true branch of should_alloc_retry(). The __GFP_FS
check from oom_gfp_allowed() can then be moved into the OOM avoidance
branch in __alloc_pages_may_oom(), along with the PF_DUMPCORE test.
__alloc_pages_may_oom() can then signal to the caller whether the OOM
killer was invoked, instead of requiring it to duplicate the order and
high_zoneidx checks to guess this when deciding whether to continue.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"next" is not updated, causing an endless loop for buckets with more than
one element.
Fixes: 88d6ed15acff ("rhashtable: Convert bucket iterators to take table and index")
Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull timer fixes from Thomas Gleixner:
"A set of small fixes:
- regression fix for exynos_mct clocksource
- trivial build fix for kona clocksource
- functional one liner fix for the sh_tmu clocksource
- two validation fixes to prevent (root only) data corruption in the
kernel via settimeofday and adjtimex. Tagged for stable"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: adjtimex: Validate the ADJ_FREQUENCY values
time: settimeofday: Validate the values of tv from user
clocksource: sh_tmu: Set cpu_possible_mask to fix SMP broadcast
clocksource: kona: fix __iomem annotation
clocksource: exynos_mct: Fix bitmask regression for exynos4_mct_write
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The kernel forcefully applies MTU values received in router
advertisements provided the new MTU is less than the current. This
behavior is undesirable when the user space is managing the MTU. Instead
a sysctl flag 'accept_ra_mtu' is introduced such that the user space
can control whether or not RA provided MTU updates should be applied. The
default behavior is unchanged; user space must explicitly set this flag
to 0 for RA MTUs to be ignored.
Signed-off-by: Harout Hedeshian <harouth@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In SRIOV, both the PF and the VF may attempt device recovery whenever they
assume that the device is not functioning. When the PF driver resets the
device, the VF should detect this and attempt to reinitialize itself.
The VF must be able to reset itself under all circumstances, even
if the PF is not responsive.
The VF shall reset itself in the following cases:
1. Commands are not processed within reasonable time over the communication channel.
This is done considering device state and the correct return code based on
the command as was done in the native mode, done in the next patch.
2. The VF driver receives an internal error event reported by the PF on the
communication channel. This occurs when the PF driver resets the device or
when VF is out of sync with the PF.
Add 'VF reset' capability, which allows the VF to reinitialize itself even when the
PF is not responsive.
As PF and VF may run their reset flow simulantanisly, there are several cases
that are handled:
- Prevent freeing VF resources upon FLR, when PF is in its unloading stage.
- Prevent PF getting VF commands before it has finished initializing its resources.
- Upon VF startup, check that comm-channel is online before sending
commands to the PF and getting timed-out.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to manage interface state to sync between reset flow and some other
relative cases such as remove_one. This has to be done to prevent certain
races. For example in case software stack is down as a result of unload call,
the remove_one should skip the unload phase.
Implement the remove_one case, handling AER and other cases comes next.
The interface can be up/down, upon remove_one, the state will include an extra
bit indicating that the device is cleaned-up, forcing other tasks to finish
before the final cleanup.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We activate reset flow upon command fatal errors, when the device enters an
erroneous state, and must be reset.
The cases below are assumed to be fatal: FW command timed-out, an error from FW
on closing commands, pci is offline when posting/pending a command.
In those cases we place the device into an error state: chip is reset, pending
commands are awakened and completed immediately. Subsequent commands will
return immediately.
The return code in the above cases will depend on the command. Commands which
free and close resources will return success (because the chip was reset, so
callers may safely free their kernel resources). Other commands will return -EIO.
Since the device's state was marked as error, the catas poller will
detect this and restart the device's software stack (as is done when a FW
internal error is directly detected). The device state is protected by a
persistent mutex lives on its mlx4_dev, as such no need any more for the
hcr_mutex which is removed.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This includes:
- resetting the chip when a fatal error is detected (the current code
does not do this).
- exposing the ability to enter error state from outside the catas code
by calling its functionality. (E.g. FW Command timeout, AER error).
- managing a persistent device state. This is needed to sync between
reset flow cases.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using a WQ per device instead of a single global WQ, this allows
independent reset handling per device even when SRIOV is used.
This comes as a pre-patch for supporting chip reset
for both native and SRIOV.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When an HCA enters an internal error state, this is detected by the driver.
The driver then should reset the HCA and restart the software stack.
Keep ports information and some SRIOV configuration in a persistent area
to have it valid across reset.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Maintain a persistent memory that should survive reset flow/PCI error.
This comes as a preparation for coming series to support above flows.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the vxlan transmit path there is no need to reference the socket
for a tunnel which is needed for the receive side. We do, however,
need the vxlan_dev flags. This patch eliminate references
to the socket in the transmit path, and changes VXLAN_F_UNSHAREABLE
to be VXLAN_F_RCV_FLAGS. This mask is used to store the flags
applicable to receive (GBP, CSUM6_RX, and REMCSUM_RX) in the
vxlan_sock flags.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The UDP tunnel transmit functions udp_tunnel_xmit_skb and
udp_tunnel6_xmit_skb include a socket argument. The socket being
passed to the functions (from VXLAN) is a UDP created for receive
side. The only thing that the socket is used for in the transmit
functions is to get the setting for checksum (enabled or zero).
This patch removes the argument and and adds a nocheck argument
for checksum setting. This eliminates the unnecessary dependency
on a UDP socket for UDP tunnel transmit.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Netlink FDB messages are sent in the link netns. The header of these messages
contains the ifindex (ndm_ifindex) of the netdevice, but this ifindex is
unusable in case of x-netns vxlan.
I named the new attribute NDA_NDM_IFINDEX_NETNSID, to avoid confusion with
NDA_IFINDEX.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull PCI fixes from Bjorn Helgaas:
"These are fixes for:
- a resource management problem that causes a Radeon "Fatal error
during GPU init" on machines where the BIOS programmed an invalid
Root Port window. This was a regression in v3.16.
- an Atheros AR93xx device that doesn't handle PCI bus resets
correctly. This was a regression in v3.14.
- an out-of-date email address"
* tag 'pci-v3.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
MAINTAINERS: Update Richard Zhu's email address
sparc/PCI: Clip bridge windows to fit in upstream windows
powerpc/PCI: Clip bridge windows to fit in upstream windows
parisc/PCI: Clip bridge windows to fit in upstream windows
mn10300/PCI: Clip bridge windows to fit in upstream windows
microblaze/PCI: Clip bridge windows to fit in upstream windows
ia64/PCI: Clip bridge windows to fit in upstream windows
frv/PCI: Clip bridge windows to fit in upstream windows
alpha/PCI: Clip bridge windows to fit in upstream windows
x86/PCI: Clip bridge windows to fit in upstream windows
PCI: Add pci_claim_bridge_resource() to clip window if necessary
PCI: Add pci_bus_clip_resource() to clip to fit upstream window
PCI: Pass bridge device, not bus, when updating bridge windows
PCI: Mark Atheros AR93xx to avoid bus reset
PCI: Add flag for devices where we can't use bus reset
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Pull devicetree bug fixes and documentation updates from Grant Likely:
"A few bugfixes for the new DT overlay feature, documentation updates,
spelling corrections, and changes to MAINTAINERS. Nothing earth
shattering here"
* tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
of/unittest: Overlays with sub-devices tests
of/platform: Handle of_populate drivers in notifier
of/overlay: Do not generate duplicate nodes
devicetree: document the "qemu" and "virtio" vendor prefixes
devicetree: document ARM bindings for QEMU's Firmware Config interface
Documentation: of: fix typo in graph bindings
dma-mapping: fix debug print to display correct dma_pfn_offset
of: replace Asahi Kasei Corp vendor prefix
ARM: dt: GIC: Spelling s/specific/specifier/, s/flaggs/flags/
dt/bindings: arm-boards: Spelling s/pointong/pointing/
MAINTAINERS: Update DT website and git repository
MAINTAINERS: drop DT regex matching on of_get_property and of_match_table
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Pull kvm fixes from Paolo Bonzini:
"Three small fixes.
Two for x86 and one avoids that sparse bails out"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: SYSENTER emulation is broken
KVM: x86: Fix of previously incomplete fix for CVE-2014-8480
KVM: fix sparse warning in include/trace/events/kvm.h
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Starting with kernel 3.19-rc1 early registration of bcma on MIPS is done
a bit later, with memory allocator available. This allows us to simplify
code by using standard bus scanning method.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Pull module and param fixes from Rusty Russell:
"Surprising number of fixes this merge window :(
The first two are minor fallout from the param rework which went in
this merge window.
The next three are a series which fixes a longstanding (but never
previously reported and unlikely , so no CC stable) race between
kallsyms and freeing the init section.
Finally, a minor cleanup as our module refcount will now be -1 during
unload"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
module: make module_refcount() a signed integer.
module: fix race in kallsyms resolution during module load success.
module: remove mod arg from module_free, rename module_memfree().
module_arch_freeing_init(): new hook for archs before module->module_init freed.
param: fix uninitialized read with CONFIG_DEBUG_LOCK_ALLOC
param: initialize store function to NULL if not available.
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Patch "ath9k: Fix no-ack frame status" needs these mac80211 patches:
commit 5cf16616e152dd5c274a65954c77f64892d025a8
Author: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Wed Dec 10 21:26:11 2014 +0530
mac80211: Fix accounting of multicast frames
commit 6b127c71fbdd3daacfd8b9f80b8e6ebfb70a889e
Author: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Wed Dec 10 21:26:10 2014 +0530
mac80211: Move IEEE80211_TX_CTL_PS_RESPONSE
Conflicts:
drivers/net/wireless/ath/wil6210/cfg80211.c
drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
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Pull urgent fixes from John Stultz:
Two urgent fixes for user triggerable time related overflow issues
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James Bottomley points out that it will be -1 during unload. It's
only used for diagnostics, so let's not hide that as it could be a
clue as to what's gone wrong.
Cc: Jason Wessel <jason.wessel@windriver.com>
Acked-and-documention-added-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Masami Hiramatsu <maasami.hiramatsu.pt@hitachi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Pull libata fixes from Tejun Heo:
- Bartlomiej will be co-maintaining PATA portion of libata. git
workflow will stay the same.
- sata_sil24 wasn't happy with tag ordered submission. An option to
restore the old tag allocation behavior is implemented for sil24.
- a very old race condition in PIO host state machine which can trigger
BUG fixed.
- other driver-specific changes
* 'for-3.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata: prevent HSM state change race between ISR and PIO
libata: allow sata_sil24 to opt-out of tag ordered submission
ata: pata_at91: depend on !ARCH_MULTIPLATFORM
ahci: Remove Device ID for Intel Sunrise Point PCH
ahci: Use dev_info() to inform about the lack of Device Sleep support
libata: Whitelist SSDs that are known to properly return zeroes after TRIM
sata_dwc_460ex: fix resource leak on error path
ata: add MAINTAINERS entry for libata PATA drivers
libata: clean up MAINTAINERS entries
libata: export ata_get_cmd_descript()
ahci_xgene: Fix the DMA state machine lockup for the ATA_CMD_PACKET PIO mode command.
ahci_xgene: Fix the endianess issue in APM X-Gene SoC AHCI SATA controller driver.
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Pull networking fixes from David Miller:
1) Socket addresses returned in the error queue need to be fully
initialized before being passed on to userspace, fix from Willem de
Bruijn.
2) Interrupt handling fixes to davinci_emac driver from Tony Lindgren.
3) Fix races between receive packet steering and cpu hotplug, from Eric
Dumazet.
4) Allowing netlink sockets to subscribe to unknown multicast groups
leads to crashes, don't allow it. From Johannes Berg.
5) One to many socket races in SCTP fixed by Daniel Borkmann.
6) Put in a guard against the mis-use of ipv6 atomic fragments, from
Hagen Paul Pfeifer.
7) Fix promisc mode and ethtool crashes in sh_eth driver, from Ben
Hutchings.
8) NULL deref and double kfree fix in sxgbe driver from Girish K.S and
Byungho An.
9) cfg80211 deadlock fix from Arik Nemtsov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (36 commits)
s2io: use snprintf() as a safety feature
r8152: remove sram_read
r8152: remove generic_ocp_read before writing
bgmac: activate irqs only if there is nothing to poll
bgmac: register napi before the device
sh_eth: Fix ethtool operation crash when net device is down
sh_eth: Fix promiscuous mode on chips without TSU
ipv6: stop sending PTB packets for MTU < 1280
net: sctp: fix race for one-to-many sockets in sendmsg's auto associate
genetlink: synchronize socket closing and family removal
genetlink: disallow subscribing to unknown mcast groups
genetlink: document parallel_ops
net: rps: fix cpu unplug
net: davinci_emac: Add support for emac on dm816x
net: davinci_emac: Fix ioremap for devices with MDIO within the EMAC address space
net: davinci_emac: Fix incomplete code for getting the phy from device tree
net: davinci_emac: Free clock after checking the frequency
net: davinci_emac: Fix runtime pm calls for davinci_emac
net: davinci_emac: Fix hangs with interrupts
ip: zero sockaddr returned on error queue
...
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Nothing needs the module pointer any more, and the next patch will
call it from RCU, where the module itself might no longer exist.
Removing the arg is the safest approach.
This just codifies the use of the module_alloc/module_free pattern
which ftrace and bpf use.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: x86@kernel.org
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: linux-cris-kernel@axis.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: nios2-dev@lists.rocketboards.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: sparclinux@vger.kernel.org
Cc: netdev@vger.kernel.org
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Archs have been abusing module_free() to clean up their arch-specific
allocations. Since module_free() is also (ab)used by BPF and trace code,
let's keep it to simple allocations, and provide a hook called before
that.
This means that avr32, ia64, parisc and s390 no longer need to implement
their own module_free() at all. avr32 doesn't need module_finalize()
either.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: linux-s390@vger.kernel.org
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Some further updates for net-next:
* fix network-manager which was broken by the previous changes
* fix delete-station events, which were broken by me making the
genlmsg_end() mistake
* fix a timer left running during suspend in some race conditions
that would cause an annoying (but harmless) warning
* (less important, but in the tree already) remove 80+80 MHz rate
reporting since the spec doesn't distinguish it from 160 MHz;
as the bitrate they're both 160 MHz bandwidth
Signed-off-by: David S. Miller <davem@davemloft.net>
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This tc action allows you to retrieve the connection tracking mark
This action has been used heavily by openwrt for a few years now.
There are known limitations currently:
doesn't work for initial packets, since we only query the ct table.
Fine given use case is for returning packets
no implicit defrag.
frags should be rare so fix later..
won't work for more complex tasks, e.g. lookup of other extensions
since we have no means to store results
we still have a 2nd lookup later on via normal conntrack path.
This shouldn't break anything though since skb->nfct isn't altered.
V2:
remove unnecessary braces (Jiri)
change the action identifier to 14 (Jiri)
Fix some stylistic issues caught by checkpatch
V3:
Move module params to bottom (Cong)
Get rid of tcf_hashinfo_init and friends and conform to newer API (Cong)
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement rtnl_link_ops->get_link_net() callback so that IFLA_LINK_NETNSID is
added to rtnetlink messages.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a new attribute (IFLA_LINK_NETNSID) which contains the 'link'
netns id when this netns is different from the netns where the interface
stands (for example for x-net interfaces like ip tunnels).
With this attribute, it's possible to interpret correctly all advertised
information (like IFLA_LINK, etc.).
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With this patch, a user can define an id for a peer netns by providing a FD or a
PID. These ids are local to the netns where it is added (ie valid only into this
netns).
The main function (ie the one exported to other module), peernet2id(), allows to
get the id of a peer netns. If no id has been assigned by the user, this
function allocates one.
These ids will be used in netlink messages to point to a peer netns, for example
in case of a x-netns interface.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ronny reports: https://bugzilla.kernel.org/show_bug.cgi?id=87101
"Since commit 8a4aeec8d "libata/ahci: accommodate tag ordered
controllers" the access to the harddisk on the first SATA-port is
failing on its first access. The access to the harddisk on the
second port is working normal.
When reverting the above commit, access to both harddisks is working
fine again."
Maintain tag ordered submission as the default, but allow sata_sil24 to
continue with the old behavior.
Cc: <stable@vger.kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Reported-by: Ronny Hegewald <Ronny.Hegewald@online.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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sparse complains about
include/trace/events/kvm.h:163:1: error: directive in argument list
include/trace/events/kvm.h:167:1: error: directive in argument list
include/trace/events/kvm.h:169:1: error: directive in argument list
and sparse is right. Preprocessing directives in an argument of a
macro are undefined behaviour as of C99 6.10.3p11.
Lets use an indirection to fix this.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jack Morgenstein
Nicolas Dichtel
Jonathan Toppins
David S. Miller
Linus Torvalds
Florian Fainelli
Hannes Frederic Sowa
Joe Stringer
Pranith Kumar
Johannes Weiner
Patrick McHardy
Harout Hedeshian
Yishai Hadas
Tom Herbert
Rafał Miłecki
Kalle Valo
Thomas Gleixner
Rusty Russell
Felix Fietkau
Dan Williams
Christian Borntraeger
Jiri Pirko