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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next
Pull ARM SoC low-priority fixes from Olof Johansson:
"A small selection of fixes coming in late during the release cycle and
not being critical enough for 3.15 inclusion"
* tag 'fixes-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: shmobile: armadillo800eva: fixup HDMI sound flags setting
ARM: msm: Silence readb/writeb warnings due to missing IOMEM()
ARM: dts: am43xx: fix starting offset of NAND.filesystem MTD partition
ARM: dts: am335x-boneblack: remove use of ti,vcc-aux-disable-is-sleep
ARM: OMAP2+: free use_gptimer_clksrc variable after boot
ARM: OMAP5: Redo THUMB mode switch on secondary CPU
ARM: dts: AM4372: add l3-noc information
ARM: dts: DRA7: Use dra7-l3-noc instead of omap4-l3-noc
reset: Add of_reset_control_get to reset.h
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Each iPad model has a different product id, this patch adds support for iPad 2
(pid 0x12a2) and iPad 3 (pid 0x12a6). Note that iPad 2 must be jailbroken and a
third-party app must be used for tethering to work. On iPad 3, tethering works
out of the box (assuming your ISP is nice).
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add netpoll support to macvlan devices. Based on the netpoll support in the 802.1q vlan code.
Tested and macvlan could work well with netconsole.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bjørn Mork says:
====================
cdc_ncm: fixes and conversion to sysfs API
After considering the comments received after the ethtool coalesce
support was commited, I have ended up concluding that we should
remove it again, while we can, before it hits a release. The idea
was not well enough thought through, and all comments received
pointed to advantages of using a sysfs based API instead.
This series removes the ethtool coalesce support and replaces it
with sysfs attributes in a driver specific group under the netdev.
The first 3 patches are unrelated fixes:
patch 1: reducing truesize as discussed
patch 2: fixing a potentional buffer overrun when changing tx_max
patch 3: prevent framing errors when changing rx_max
Changes v2:
- minor editorial changes to patch 8, as suggested by Peter Stuge
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding documentation for all the driver specific sysfs attributes.
Cc: Peter Stuge <peter@stuge.se>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The min_tx_pkt variable decides the cutoff point where the driver
will stop padding out NTBs to maximum size. The padding is a tradeoff
where we use some USB bus bandwidth to allow the device to receive
fixed size buffers. Different devices will have different optimal
settings, spanning from no padding at all to padding every NTB.
There is no way to automatically figure out which setting is best
for a specific device.
The default value is a reasonable tradeoff, calculated based on the
USB packet size and out NTB max size. This may have to be changed
along with any tx_max changes.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mandatory GetNtbParameters control request is an important part of
the host <-> device protocol negotiation in CDC NCM (and CDC MBIM). It
gives device limits which the host must obey when configuring the
protocol aggregation variables. The driver will enforce this by
rejecting attempts to set any of the tunable variables to a value
which is not supported by the device. Exporting the parameter block
helps userspace decide which values are allowed without resorting
to trial and error.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool coalesce API is not applicable for this driver. Forcing
it to fit the NCM aggregation redefined the API in a driver specific
way, which is much worse than defining a clean new API. These ethtool
coalesce functions have therefore been replaced by a new sysfs API.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Attach a driver specific sysfs group to the netdev, and use it
for the rx/tx aggregation variables.
The datagram aggregation defined by the CDC NCM specification is
specific to this device class (including CDC MBIM). Using the
ethtool interrupt coalesce API as an interface to the aggregation
parameters redefined that API in a driver specific and confusing
way. A sysfs group
- makes it clear that this is a driver specific userspace API, and
- allows us to export the real values instead of some translated
version, and
- lets us include more aggregation variables which were impossible
to force into the ethtool API.
Additionally, using sysfs allows tuning the driver on space
constrained hosts where userspace tools like ethtool are undesired.
Suggested-by: Peter Stuge <peter@stuge.se>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It doesn't matter whether the buffer size goes up or down. We have to
keep usbnet and device syncronized to be able to split transfers at the
correct boundaries. The spec allow skipping short packets when using
max sized transfers. If we don't tell usbnet about our new expected rx
buffer size, then it will merge and/or split NTBs. The driver does not
support this, and the result will be lots of framing errors.
Fix by always reallocating usbnet rx buffers when the rx_max value
changes.
Fixes: 68864abf08f0 ("net: cdc_ncm: support rx_max/tx_max updates when running")
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are calling usbnet_start_xmit() to flush any remaining data,
depending on the side effect that tx_curr_skb is set to NULL,
ensuring a new allocation using the updated tx_max. But this
side effect will only happen if there were any cached data ready
to transmit. If not, then an empty tx_curr_skb is still allocated
using the old tx_max size. Free it to avoid a buffer overrun.
Fixes: 68864abf08f0 ("net: cdc_ncm: support rx_max/tx_max updates when running")
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cloning the big skbs we use for USB buffering chokes up TCP and
SCTP because the socket memory limits are hitting earlier than
they should. It is better to unconditionally copy the unwrapped
packets to freshly allocated skbs.
Reported-by: Jim Baxter <jim_baxter@mentor.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macvlan dev should always have the same mac address like lowerdev
when in the passthru mode, change the mac address alone will break the
work mechanism, so when the lowerdev or macvlan mac address changes,
we should propagate the changes to another dev.
v1->v2: Allow macvlan dev to change mac address for passthru mode and propagate to
lowerdev.
v2->v3: Don't set the mac address to the lower dev's unicast address for
passthru mode when mac address changes.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Sony PVM-2541A OLED high precision color display supports
both 10 bpc and 12 bpc hdmi deep color input, but its edid
does not signal any deep color support.
Add a quirk to force it being treated as a 12 bpc panel.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Check the HDMI cea block for deep color mode bits. If available,
assign the highest supported bpc for a hdmi display, corresponding
to the given deep color modes.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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DCE-4/5/6 can't support more than 12 bpc deep color over hdmi,
so clamp to 12 bpc when a hdmi deep color capable display is
connected. This even makes sense on DCE-8+, which could do up
to 16 bpc, as driving with more than 12 bpc would only waste
video bandwidth as long as we don't support framebuffers with
more than 12 bpc depth.
On pre-DCE4 we clamp hdmi bit depth to 8 bpc, as those asics
don't support hdmi deep color.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Program HDMI_CONTROL to send general control packets
for hdmi deep color mode signalling at every video
frame if bpc > 8.
This is only supported on evergreen / DCE-4 and later.
v2: rebase
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Need to adjust the pll up for deep color modes.
Additionally, the atom bpc defines were wrong in certain
cases.
v2: set the adjusted clock to the pll clock for hdmi deep
color. This fixes display and audio issues with deep color
as reported by Andy Furniss <adf.lists@gmail.com>
v3: set crtc_clock as well
v4: setcrtcinfo on the adjusted mode
v5: just use the adjusted clock for setting the pll
v6: only use the adjusted clock for hdmi
v7: only DCE5 and DCE6 and bpc > 8
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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* pci/iommu:
PCI: Add bridge DMA alias quirk for ASMedia and Tundra bridges
PCI: Add support for PCIe-to-PCI bridge DMA alias quirks
PCI: Add function 1 DMA alias quirk for Marvell devices
PCI: Add function 0 DMA alias quirk for Ricoh devices
PCI: Add support for DMA alias quirks
PCI: Convert pci_dev_flags definitions to bit shifts
PCI: Add DMA alias iterator
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Modify the various routines used to allocate memory resources which
serve QPs in mlx4 to get an input GFP directive. Have the Ethernet
driver to use GFP_KERNEL in it's QP allocations as done prior to this
commit, and the IB driver to use GFP_NOIO when the IB verbs
IB_QP_CREATE_USE_GFP_NOIO QP creation flag is provided.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This addresses a problem where NFS client writes over IPoIB connected
mode may deadlock on memory allocation/writeback.
The problem is not directly memory reclamation. There is an indirect
dependency between network filesystems writing back pages and
ipoib_cm_tx_init() due to how a kworker is used. Page reclaim cannot
make forward progress until ipoib_cm_tx_init() succeeds and it is
stuck in page reclaim itself waiting for network transmission.
Ordinarily this situation may be avoided by having the caller use
GFP_NOFS but ipoib_cm_tx_init() does not have that information.
To address this, take a general approach and add a new QP creation
flag that tells the low-level hardware driver to use GFP_NOIO for the
memory allocations related to the new QP.
Use the new flag in the ipoib connected mode path, and if the driver
doesn't support it, re-issue the QP creation without the flag.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix the usnic and thw qib drivers to err when QP creation flags that
they don't understand are provided.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Now it is not possible to set mtu to team device which has a port
enslaved to it. The reason is that when team_change_mtu() calls
dev_set_mtu() for port device, notificator for NETDEV_PRECHANGEMTU
event is called and team_device_event() returns NOTIFY_BAD forbidding
the change. So fix this by returning NOTIFY_DONE here in case team is
changing mtu in team_change_mtu().
Introduced-by: 3d249d4c "net: introduce ethernet teaming device"
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is not possible to build only the drivers/infiniband/hw/ (or ulp/)
subdirectory with command such as:
$ make ARCH=x86_64 O=./obj-x86_64/ drivers/infiniband/hw/
This fails with following error messages:
make[2]: Nothing to be done for `all'.
make[2]: Nothing to be done for `relocs'.
CHK include/config/kernel.release
Using /home/ydroneaud/src/linux as source for kernel
GEN /home/ydroneaud/src/linux/obj-x86_64/Makefile
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
CALL /home/ydroneaud/src/linux/scripts/checksyscalls.sh
/home/ydroneaud/src/linux/scripts/Makefile.build:44: /home/ydroneaud/src/linux/drivers/infiniband/hw/Makefile: No such file or directory
make[2]: *** No rule to make target `/home/ydroneaud/src/linux/drivers/infiniband/hw/Makefile'. Stop.
make[1]: *** [drivers/infiniband/hw/] Error 2
make: *** [sub-make] Error 2
This patch creates a Makefile in hw/ and ulp/ and moves each
corresponding parts of drivers/infiniband/Makefile in the new
Makefiles.
It should not break build except if some hw/ drivers or ulp/ were
allowed previously to be built while CONFIG_INFINIBAND is set to 'n',
but according to drivers/infiniband/Kconfig, it's not possible. So it
should be safe to apply.
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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I noticed we were sending wrong IPv4 ID in TCP flows when MTU discovery
is disabled.
Note how GSO/TSO packets do not have monotonically incrementing ID.
06:37:41.575531 IP (id 14227, proto: TCP (6), length: 4396)
06:37:41.575534 IP (id 14272, proto: TCP (6), length: 65212)
06:37:41.575544 IP (id 14312, proto: TCP (6), length: 57972)
06:37:41.575678 IP (id 14317, proto: TCP (6), length: 7292)
06:37:41.575683 IP (id 14361, proto: TCP (6), length: 63764)
It appears I introduced this bug in linux-3.1.
inet_getid() must return the old value of peer->ip_id_count,
not the new one.
Lets revert this part, and remove the prevention of
a null identification field in IPv6 Fragment Extension Header,
which is dubious and not even done properly.
Fixes: 87c48fa3b463 ("ipv6: make fragment identifications less predictable")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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replace IS_ERR/PTR_ERR
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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The following patch moved device tree interrupt resolution into
platform_get_irq_byname:
ad69674 of/irq: do irq resolution in platform_get_irq_byname()
As a result, the function no longer only return -ENXIO on error.
This breaks DT based probing of stmmac, as seen in test runs of
linux-next next-20140526 cubie2-sunxi_defconfig:
http://lists.linaro.org/pipermail/kernel-build-reports/2014-May/003659.html
This patch makes the stmmac_platform probe function properly handle
error codes, such as returning for deferred probing, and other codes
returned by of_irq_get_by_name.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This interface is unusable, as the cdc-wdm character device doesn't reply to
any QMI command. Also, the out-of-tree Sierra Wireless GobiNet driver fully
skips it.
Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A set of new VID/PIDs retrieved from the out-of-tree GobiNet/GobiSerial
Sierra Wireless drivers.
Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull block driver changes from Jens Axboe:
"Now that the core bits are in, here's the pull request for the driver
related changes for 3.16. Nothing out of the ordinary here, mostly
business as usual. There are a few pulls of for-3.16/core into this
branch, which were done when the blk-mq was modified after the
mtip32xx conversion was put in.
The pull request contains:
- skd and cciss converted to use pci_enable_msix_exact(). From
Alexander Gordeev.
- A few mtip32xx fixes from Asai @ Micron.
- The conversion of mtip32xx from make_request_fn to blk-mq, and a
later small fix for that conversion on quiescing for non-queued IO.
From me.
- A fix for bsg to use an exported function to check whether this
driver is request based or not. Needed updating for blk-mq, which
is request based, but does not have a request_fn hook. From me.
- Small floppy bug fix from Jiri.
- A series of cleanups for the cdrom uniform layer from Joe Perches.
Gets rid of various old ugly macros, making the code conform more
to the modern coding style.
- A series of patches for drbd from the drbd crew (Lars Ellenberg and
Philipp Reisner).
- A use-after-free fix for null_blk from Ming Lei.
- Also from Ming Lei is a performance patch for virtio-blk, which can
net us a 3x win on kvm platforms where world notification is
expensive.
- Ming Lei also fixed a stall issue in virtio-blk, due to a race
between queue start/stop and resource limits.
- A small batch of fixes for xen-blk{back,front} from Olaf Hering and
Valentin Priescu"
* 'for-3.16/drivers' of git://git.kernel.dk/linux-block: (54 commits)
block: virtio_blk: don't hold spin lock during world switch
xen-blkback: defer freeing blkif to avoid blocking xenwatch
xen blkif.h: fix comment typo in discard-alignment
xen/blkback: disable discard feature if requested by toolstack
xen-blkfront: remove type check from blkfront_setup_discard
floppy: do not corrupt bio.bi_flags when reading block 0
mtip32xx: move error handling to service thread
virtio_blk: fix race between start and stop queue
mtip32xx: stop block hardware queues before quiescing IO
mtip32xx: blk_mq_init_queue() returns an ERR_PTR
mtip32xx: convert to use blk-mq
cdrom: Remove unnecessary prototype for cdrom_get_disc_info
cdrom: Remove unnecessary prototype for cdrom_mrw_exit
cdrom: Remove cdrom_count_tracks prototype
cdrom: Remove cdrom_get_next_writeable prototype
cdrom: Remove cdrom_get_last_written prototype
cdrom: Move mmc_ioctls above cdrom_ioctl to remove unnecessary prototype
cdrom: Remove unnecessary sanitize_format prototype
cdrom: Remove unnecessary check_for_audio_disc prototype
cdrom: Remove prototype for open_for_data
...
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While I played with my own feature(ex, something on the way to reclaim),
the kernel would easily oops. I guessed that the reason had to do with
stack overflow and wanted to prove it.
I discovered the stack tracer which proved to be very useful for me but
the kernel would oops before my user program gather the information via
"watch cat /sys/kernel/debug/tracing/stack_trace" so I couldn't get any
message from that. What I needed was to have the stack tracer emit the
kernel stack usage before it does the oops so I could find what was
hogging the stack.
This patch shows the callstack of max stack usage right before an oops so
we can find a culprit.
So, the result is as follows.
[ 1116.522206] init: lightdm main process (1246) terminated with status 1
[ 1119.922916] init: failsafe-x main process (1272) terminated with status 1
[ 3887.728131] kworker/u24:1 (6637) used greatest stack depth: 256 bytes left
[ 6397.629227] cc1 (9554) used greatest stack depth: 128 bytes left
[ 7174.467392] Depth Size Location (47 entries)
[ 7174.467392] ----- ---- --------
[ 7174.467785] 0) 7248 256 get_page_from_freelist+0xa7/0x920
[ 7174.468506] 1) 6992 352 __alloc_pages_nodemask+0x1cd/0xb20
[ 7174.469224] 2) 6640 8 alloc_pages_current+0x10f/0x1f0
[ 7174.469413] 3) 6632 168 new_slab+0x2c5/0x370
[ 7174.469413] 4) 6464 8 __slab_alloc+0x3a9/0x501
[ 7174.469413] 5) 6456 80 __kmalloc+0x1cb/0x200
[ 7174.469413] 6) 6376 376 vring_add_indirect+0x36/0x200
[ 7174.469413] 7) 6000 144 virtqueue_add_sgs+0x2e2/0x320
[ 7174.469413] 8) 5856 288 __virtblk_add_req+0xda/0x1b0
[ 7174.469413] 9) 5568 96 virtio_queue_rq+0xd3/0x1d0
[ 7174.469413] 10) 5472 128 __blk_mq_run_hw_queue+0x1ef/0x440
[ 7174.469413] 11) 5344 16 blk_mq_run_hw_queue+0x35/0x40
[ 7174.469413] 12) 5328 96 blk_mq_insert_requests+0xdb/0x160
[ 7174.469413] 13) 5232 112 blk_mq_flush_plug_list+0x12b/0x140
[ 7174.469413] 14) 5120 112 blk_flush_plug_list+0xc7/0x220
[ 7174.469413] 15) 5008 64 io_schedule_timeout+0x88/0x100
[ 7174.469413] 16) 4944 128 mempool_alloc+0x145/0x170
[ 7174.469413] 17) 4816 96 bio_alloc_bioset+0x10b/0x1d0
[ 7174.469413] 18) 4720 48 get_swap_bio+0x30/0x90
[ 7174.469413] 19) 4672 160 __swap_writepage+0x150/0x230
[ 7174.469413] 20) 4512 32 swap_writepage+0x42/0x90
[ 7174.469413] 21) 4480 320 shrink_page_list+0x676/0xa80
[ 7174.469413] 22) 4160 208 shrink_inactive_list+0x262/0x4e0
[ 7174.469413] 23) 3952 304 shrink_lruvec+0x3e1/0x6a0
[ 7174.469413] 24) 3648 80 shrink_zone+0x3f/0x110
[ 7174.469413] 25) 3568 128 do_try_to_free_pages+0x156/0x4c0
[ 7174.469413] 26) 3440 208 try_to_free_pages+0xf7/0x1e0
[ 7174.469413] 27) 3232 352 __alloc_pages_nodemask+0x783/0xb20
[ 7174.469413] 28) 2880 8 alloc_pages_current+0x10f/0x1f0
[ 7174.469413] 29) 2872 200 __page_cache_alloc+0x13f/0x160
[ 7174.469413] 30) 2672 80 find_or_create_page+0x4c/0xb0
[ 7174.469413] 31) 2592 80 ext4_mb_load_buddy+0x1e9/0x370
[ 7174.469413] 32) 2512 176 ext4_mb_regular_allocator+0x1b7/0x460
[ 7174.469413] 33) 2336 128 ext4_mb_new_blocks+0x458/0x5f0
[ 7174.469413] 34) 2208 256 ext4_ext_map_blocks+0x70b/0x1010
[ 7174.469413] 35) 1952 160 ext4_map_blocks+0x325/0x530
[ 7174.469413] 36) 1792 384 ext4_writepages+0x6d1/0xce0
[ 7174.469413] 37) 1408 16 do_writepages+0x23/0x40
[ 7174.469413] 38) 1392 96 __writeback_single_inode+0x45/0x2e0
[ 7174.469413] 39) 1296 176 writeback_sb_inodes+0x2ad/0x500
[ 7174.469413] 40) 1120 80 __writeback_inodes_wb+0x9e/0xd0
[ 7174.469413] 41) 1040 160 wb_writeback+0x29b/0x350
[ 7174.469413] 42) 880 208 bdi_writeback_workfn+0x11c/0x480
[ 7174.469413] 43) 672 144 process_one_work+0x1d2/0x570
[ 7174.469413] 44) 528 112 worker_thread+0x116/0x370
[ 7174.469413] 45) 416 240 kthread+0xf3/0x110
[ 7174.469413] 46) 176 176 ret_from_fork+0x7c/0xb0
[ 7174.469413] ------------[ cut here ]------------
[ 7174.469413] kernel BUG at kernel/trace/trace_stack.c:174!
[ 7174.469413] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 7174.469413] Dumping ftrace buffer:
[ 7174.469413] (ftrace buffer empty)
[ 7174.469413] Modules linked in:
[ 7174.469413] CPU: 0 PID: 440 Comm: kworker/u24:0 Not tainted 3.14.0+ #212
[ 7174.469413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 7174.469413] Workqueue: writeback bdi_writeback_workfn (flush-253:0)
[ 7174.469413] task: ffff880034170000 ti: ffff880029518000 task.ti: ffff880029518000
[ 7174.469413] RIP: 0010:[<ffffffff8112336e>] [<ffffffff8112336e>] stack_trace_call+0x2de/0x340
[ 7174.469413] RSP: 0000:ffff880029518290 EFLAGS: 00010046
[ 7174.469413] RAX: 0000000000000030 RBX: 000000000000002f RCX: 0000000000000000
[ 7174.469413] RDX: 0000000000000000 RSI: 000000000000002f RDI: ffffffff810b7159
[ 7174.469413] RBP: ffff8800295182f0 R08: ffffffffffffffff R09: 0000000000000000
[ 7174.469413] R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff82768dfc
[ 7174.469413] R13: 000000000000f2e8 R14: ffff8800295182b8 R15: 00000000000000f8
[ 7174.469413] FS: 0000000000000000(0000) GS:ffff880037c00000(0000) knlGS:0000000000000000
[ 7174.469413] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 7174.469413] CR2: 00002acd0b994000 CR3: 0000000001c0b000 CR4: 00000000000006f0
[ 7174.469413] Stack:
[ 7174.469413] 0000000000000000 ffffffff8114fdb7 0000000000000087 0000000000001c50
[ 7174.469413] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 7174.469413] 0000000000000002 ffff880034170000 ffff880034171028 0000000000000000
[ 7174.469413] Call Trace:
[ 7174.469413] [<ffffffff8114fdb7>] ? get_page_from_freelist+0xa7/0x920
[ 7174.469413] [<ffffffff816eee3f>] ftrace_call+0x5/0x2f
[ 7174.469413] [<ffffffff81165065>] ? next_zones_zonelist+0x5/0x70
[ 7174.469413] [<ffffffff810a23fa>] ? __bfs+0x11a/0x270
[ 7174.469413] [<ffffffff81165065>] ? next_zones_zonelist+0x5/0x70
[ 7174.469413] [<ffffffff8114fdb7>] ? get_page_from_freelist+0xa7/0x920
[ 7174.469413] [<ffffffff8119092f>] ? alloc_pages_current+0x10f/0x1f0
[ 7174.469413] [<ffffffff811507fd>] __alloc_pages_nodemask+0x1cd/0xb20
[ 7174.469413] [<ffffffff810a4de6>] ? check_irq_usage+0x96/0xe0
[ 7174.469413] [<ffffffff816eee3f>] ? ftrace_call+0x5/0x2f
[ 7174.469413] [<ffffffff8119092f>] alloc_pages_current+0x10f/0x1f0
[ 7174.469413] [<ffffffff81199cd5>] ? new_slab+0x2c5/0x370
[ 7174.469413] [<ffffffff81199cd5>] new_slab+0x2c5/0x370
[ 7174.469413] [<ffffffff816eee3f>] ? ftrace_call+0x5/0x2f
[ 7174.469413] [<ffffffff816db002>] __slab_alloc+0x3a9/0x501
[ 7174.469413] [<ffffffff8119af8b>] ? __kmalloc+0x1cb/0x200
[ 7174.469413] [<ffffffff8141dc46>] ? vring_add_indirect+0x36/0x200
[ 7174.469413] [<ffffffff8141dc46>] ? vring_add_indirect+0x36/0x200
[ 7174.469413] [<ffffffff8141dc46>] ? vring_add_indirect+0x36/0x200
[ 7174.469413] [<ffffffff8119af8b>] __kmalloc+0x1cb/0x200
[ 7174.469413] [<ffffffff8141de10>] ? vring_add_indirect+0x200/0x200
[ 7174.469413] [<ffffffff8141dc46>] vring_add_indirect+0x36/0x200
[ 7174.469413] [<ffffffff8141e402>] virtqueue_add_sgs+0x2e2/0x320
[ 7174.469413] [<ffffffff8148e35a>] __virtblk_add_req+0xda/0x1b0
[ 7174.469413] [<ffffffff8148e503>] virtio_queue_rq+0xd3/0x1d0
[ 7174.469413] [<ffffffff8134aa0f>] __blk_mq_run_hw_queue+0x1ef/0x440
[ 7174.469413] [<ffffffff8134b0d5>] blk_mq_run_hw_queue+0x35/0x40
[ 7174.469413] [<ffffffff8134b7bb>] blk_mq_insert_requests+0xdb/0x160
[ 7174.469413] [<ffffffff8134be5b>] blk_mq_flush_plug_list+0x12b/0x140
[ 7174.469413] [<ffffffff81342237>] blk_flush_plug_list+0xc7/0x220
[ 7174.469413] [<ffffffff816e60ef>] ? _raw_spin_unlock_irqrestore+0x3f/0x70
[ 7174.469413] [<ffffffff816e16e8>] io_schedule_timeout+0x88/0x100
[ 7174.469413] [<ffffffff816e1665>] ? io_schedule_timeout+0x5/0x100
[ 7174.469413] [<ffffffff81149415>] mempool_alloc+0x145/0x170
[ 7174.469413] [<ffffffff8109baf0>] ? __init_waitqueue_head+0x60/0x60
[ 7174.469413] [<ffffffff811e246b>] bio_alloc_bioset+0x10b/0x1d0
[ 7174.469413] [<ffffffff81184230>] ? end_swap_bio_read+0xc0/0xc0
[ 7174.469413] [<ffffffff81184230>] ? end_swap_bio_read+0xc0/0xc0
[ 7174.469413] [<ffffffff81184110>] get_swap_bio+0x30/0x90
[ 7174.469413] [<ffffffff81184230>] ? end_swap_bio_read+0xc0/0xc0
[ 7174.469413] [<ffffffff81184660>] __swap_writepage+0x150/0x230
[ 7174.469413] [<ffffffff810ab405>] ? do_raw_spin_unlock+0x5/0xa0
[ 7174.469413] [<ffffffff81184230>] ? end_swap_bio_read+0xc0/0xc0
[ 7174.469413] [<ffffffff81184515>] ? __swap_writepage+0x5/0x230
[ 7174.469413] [<ffffffff81184782>] swap_writepage+0x42/0x90
[ 7174.469413] [<ffffffff8115ae96>] shrink_page_list+0x676/0xa80
[ 7174.469413] [<ffffffff816eee3f>] ? ftrace_call+0x5/0x2f
[ 7174.469413] [<ffffffff8115b872>] shrink_inactive_list+0x262/0x4e0
[ 7174.469413] [<ffffffff8115c1c1>] shrink_lruvec+0x3e1/0x6a0
[ 7174.469413] [<ffffffff8115c4bf>] shrink_zone+0x3f/0x110
[ 7174.469413] [<ffffffff816eee3f>] ? ftrace_call+0x5/0x2f
[ 7174.469413] [<ffffffff8115c9e6>] do_try_to_free_pages+0x156/0x4c0
[ 7174.469413] [<ffffffff8115cf47>] try_to_free_pages+0xf7/0x1e0
[ 7174.469413] [<ffffffff81150db3>] __alloc_pages_nodemask+0x783/0xb20
[ 7174.469413] [<ffffffff8119092f>] alloc_pages_current+0x10f/0x1f0
[ 7174.469413] [<ffffffff81145c0f>] ? __page_cache_alloc+0x13f/0x160
[ 7174.469413] [<ffffffff81145c0f>] __page_cache_alloc+0x13f/0x160
[ 7174.469413] [<ffffffff81146c6c>] find_or_create_page+0x4c/0xb0
[ 7174.469413] [<ffffffff811463e5>] ? find_get_page+0x5/0x130
[ 7174.469413] [<ffffffff812837b9>] ext4_mb_load_buddy+0x1e9/0x370
[ 7174.469413] [<ffffffff81284c07>] ext4_mb_regular_allocator+0x1b7/0x460
[ 7174.469413] [<ffffffff81281070>] ? ext4_mb_use_preallocated+0x40/0x360
[ 7174.469413] [<ffffffff816eee3f>] ? ftrace_call+0x5/0x2f
[ 7174.469413] [<ffffffff81287eb8>] ext4_mb_new_blocks+0x458/0x5f0
[ 7174.469413] [<ffffffff8127d83b>] ext4_ext_map_blocks+0x70b/0x1010
[ 7174.469413] [<ffffffff8124e6d5>] ext4_map_blocks+0x325/0x530
[ 7174.469413] [<ffffffff81253871>] ext4_writepages+0x6d1/0xce0
[ 7174.469413] [<ffffffff812531a0>] ? ext4_journalled_write_end+0x330/0x330
[ 7174.469413] [<ffffffff811539b3>] do_writepages+0x23/0x40
[ 7174.469413] [<ffffffff811d2365>] __writeback_single_inode+0x45/0x2e0
[ 7174.469413] [<ffffffff811d36ed>] writeback_sb_inodes+0x2ad/0x500
[ 7174.469413] [<ffffffff811d39de>] __writeback_inodes_wb+0x9e/0xd0
[ 7174.469413] [<ffffffff811d40bb>] wb_writeback+0x29b/0x350
[ 7174.469413] [<ffffffff81057c3d>] ? __local_bh_enable_ip+0x6d/0xd0
[ 7174.469413] [<ffffffff811d6e9c>] bdi_writeback_workfn+0x11c/0x480
[ 7174.469413] [<ffffffff81070610>] ? process_one_work+0x170/0x570
[ 7174.469413] [<ffffffff81070672>] process_one_work+0x1d2/0x570
[ 7174.469413] [<ffffffff81070610>] ? process_one_work+0x170/0x570
[ 7174.469413] [<ffffffff81071bb6>] worker_thread+0x116/0x370
[ 7174.469413] [<ffffffff81071aa0>] ? manage_workers.isra.19+0x2e0/0x2e0
[ 7174.469413] [<ffffffff81078e53>] kthread+0xf3/0x110
[ 7174.469413] [<ffffffff81078d60>] ? flush_kthread_worker+0x150/0x150
[ 7174.469413] [<ffffffff816ef0ec>] ret_from_fork+0x7c/0xb0
[ 7174.469413] [<ffffffff81078d60>] ? flush_kthread_worker+0x150/0x150
[ 7174.469413] Code: c0 49 bc fc 8d 76 82 ff ff ff ff e8 44 5a 5b 00 31 f6 8b 05 95 2b b3 00 48 39 c6 7d 0e 4c 8b 04 f5 20 5f c5 81 49 83 f8 ff 75 11 <0f> 0b 48 63 05 71 5a 64 01 48 29 c3 e9 d0 fd ff ff 48 8d 5e 01
[ 7174.469413] RIP [<ffffffff8112336e>] stack_trace_call+0x2de/0x340
[ 7174.469413] RSP <ffff880029518290>
[ 7174.469413] ---[ end trace c97d325b36b718f3 ]---
Link: http://lkml.kernel.org/p/1401683592-1651-1-git-send-email-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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br_handle_local_finish() is allowing us to insert an FDB entry with
disallowed vlan. For example, when port 1 and 2 are communicating in
vlan 10, and even if vlan 10 is disallowed on port 3, port 3 can
interfere with their communication by spoofed src mac address with
vlan id 10.
Note: Even if it is judged that a frame should not be learned, it should
not be dropped because it is destined for not forwarding layer but higher
layer. See IEEE 802.1Q-2011 8.13.10.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch updates virtscsi_probe() to setup necessary Scsi_Host
level protection resources. (currently hardcoded to 1)
It changes virtscsi_add_cmd() to attach outgoing / incoming
protection SGLs preceeding the data payload, and is using the
new virtio_scsi_cmd_req_pi->pi_bytes[out,in] field to signal
to signal to vhost/scsi bytes to expect for protection data.
(Add missing #include <linux/blkdev.h> for blk_integrity - sfr + nab)
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@dev.mellanox.co.il>
Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
|
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This patch updates vhost_scsi_handle_vq() to check for the existance
of virtio_scsi_cmd_req_pi comparing vq->iov[0].iov_len in order to
calculate seperate data + protection SGLs from data_num.
Also update tcm_vhost_submission_work() to pass the pre-allocated
cmd->tvc_prot_sgl[] memory into target_submit_cmd_map_sgls(), and
update vhost_scsi_get_tag() parameters to accept scsi_tag, lun, and
task_attr.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@dev.mellanox.co.il>
Cc: H. Peter Anvin <hpa@zytor.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds vhost_scsi_map_iov_to_prot() to perform the mapping of
T10 data integrity memory between virtio iov + struct scatterlist using
get_user_pages_fast() following existing code.
As with vhost_scsi_map_iov_to_sgl(), this does sanity checks against the
total prot_sgl_count vs. pre-allocated SGLs, and loops across protection
iovs using vhost_scsi_map_to_sgl() to perform the actual memory mapping.
Also update tcm_vhost_release_cmd() to release associated tvc_prot_sgl[]
struct page.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@dev.mellanox.co.il>
Cc: H. Peter Anvin <hpa@zytor.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch updates tcm_vhost_make_nexus() to pre-allocate per descriptor
tcm_vhost_cmd->tvc_prot_sgl[] used to expose protection SGLs from within
virtio-scsi guest memory to vhost-scsi.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Move the overflow check for sgl_count > TCM_VHOST_PREALLOC_SGLS into
vhost_scsi_map_iov_to_sgl() so that it's based on the total number
of SGLs for all IOVs, instead of single IOVs.
Also, rename TCM_VHOST_PREALLOC_PAGES -> TCM_VHOST_PREALLOC_UPAGES
to better describe pointers to user-space pages.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds a virtio_scsi_cmd_req_pi header as recommened by
Paolo that contains pi_bytesout + pi_bytesin elements used for
signaling when protection information buffers (in bytes) are
expected to preceed the data payload buffers.
Also add new VIRTIO_SCSI_F_T10_PI feature bit to be used to signal
host support.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@dev.mellanox.co.il>
Cc: H. Peter Anvin <hpa@zytor.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci into next
Pull PCI changes from Bjorn Helgaas:
"Enumeration
- Notify driver before and after device reset (Keith Busch)
- Use reset notification in NVMe (Keith Busch)
NUMA
- Warn if we have to guess host bridge node information (Myron Stowe)
- Work around AMD Fam15h BIOSes that fail to provide _PXM (Suravee
Suthikulpanit)
- Clean up and mark early_root_info_init() as deprecated (Suravee
Suthikulpanit)
Driver binding
- Add "driver_override" for force specific binding (Alex Williamson)
- Fail "new_id" addition for devices we already know about (Bandan
Das)
Resource management
- Support BAR sizes up to 8GB (Nikhil Rao, Alan Cox)
- Don't move IORESOURCE_PCI_FIXED resources (Bjorn Helgaas)
- Mark SBx00 HPET BAR as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
- Fail safely if we can't handle BARs larger than 4GB (Bjorn Helgaas)
- Reject BAR above 4GB if dma_addr_t is too small (Bjorn Helgaas)
- Don't convert BAR address to resource if dma_addr_t is too small
(Bjorn Helgaas)
- Don't set BAR to zero if dma_addr_t is too small (Bjorn Helgaas)
- Don't print anything while decoding is disabled (Bjorn Helgaas)
- Don't add disabled subtractive decode bus resources (Bjorn Helgaas)
- Add resource allocation comments (Bjorn Helgaas)
- Restrict 64-bit prefetchable bridge windows to 64-bit resources
(Yinghai Lu)
- Assign i82875p_edac PCI resources before adding device (Yinghai Lu)
PCI device hotplug
- Remove unnecessary "dev->bus" test (Bjorn Helgaas)
- Use PCI_EXP_SLTCAP_PSN define (Bjorn Helgaas)
- Fix rphahp endianess issues (Laurent Dufour)
- Acknowledge spurious "cmd completed" event (Rajat Jain)
- Allow hotplug service drivers to operate in polling mode (Rajat Jain)
- Fix cpqphp possible NULL dereference (Rickard Strandqvist)
MSI
- Replace pci_enable_msi_block() by pci_enable_msi_exact()
(Alexander Gordeev)
- Replace pci_enable_msix() by pci_enable_msix_exact() (Alexander Gordeev)
- Simplify populate_msi_sysfs() (Jan Beulich)
Virtualization
- Add Intel Patsburg (X79) root port ACS quirk (Alex Williamson)
- Mark RTL8110SC INTx masking as broken (Alex Williamson)
Generic host bridge driver
- Add generic PCI host controller driver (Will Deacon)
Freescale i.MX6
- Use new clock names (Lucas Stach)
- Drop old IRQ mapping (Lucas Stach)
- Remove optional (and unused) IRQs (Lucas Stach)
- Add support for MSI (Lucas Stach)
- Fix imx6_add_pcie_port() section mismatch warning (Sachin Kamat)
Renesas R-Car
- Add gen2 device tree support (Ben Dooks)
- Use new OF interrupt mapping when possible (Lucas Stach)
- Add PCIe driver (Phil Edworthy)
- Add PCIe MSI support (Phil Edworthy)
- Add PCIe device tree bindings (Phil Edworthy)
Samsung Exynos
- Remove unnecessary OOM messages (Jingoo Han)
- Fix add_pcie_port() section mismatch warning (Sachin Kamat)
Synopsys DesignWare
- Make MSI ISR shared IRQ aware (Lucas Stach)
Miscellaneous
- Check for broken config space aliasing (Alex Williamson)
- Update email address (Ben Hutchings)
- Fix Broadcom CNB20LE unintended sign extension (Bjorn Helgaas)
- Fix incorrect vgaarb conditional in WARN_ON() (Bjorn Helgaas)
- Remove unnecessary __ref annotations (Bjorn Helgaas)
- Add arch/x86/kernel/quirks.c to MAINTAINERS PCI file patterns
(Bjorn Helgaas)
- Fix use of uninitialized MPS value (Bjorn Helgaas)
- Tidy x86/gart messages (Bjorn Helgaas)
- Fix return value from pci_user_{read,write}_config_*() (Gavin Shan)
- Turn pcibios_penalize_isa_irq() into a weak function (Hanjun Guo)
- Remove unused serial device IDs (Jean Delvare)
- Use designated initialization in PCI_VDEVICE (Mark Rustad)
- Fix powerpc NULL dereference in pci_root_buses traversal (Mike Qiu)
- Configure MPS on ARM (Murali Karicheri)
- Remove unnecessary includes of <linux/init.h> (Paul Gortmaker)
- Move Open Firmware devspec attribute to PCI common code (Sebastian Ott)
- Use pdev->dev.groups for attribute creation on s390 (Sebastian Ott)
- Remove pcibios_add_platform_entries() (Sebastian Ott)
- Add new ID for Intel GPU "spurious interrupt" quirk (Thomas Jarosch)
- Rename pci_is_bridge() to pci_has_subordinate() (Yijing Wang)
- Add and use new pci_is_bridge() interface (Yijing Wang)
- Make pci_bus_add_device() void (Yijing Wang)
DMA API
- Clarify physical/bus address distinction in docs (Bjorn Helgaas)
- Fix typos in docs (Emilio López)
- Update dma_pool_create ()and dma_pool_alloc() descriptions (Gioh Kim)
- Change dma_declare_coherent_memory() CPU address to phys_addr_t
(Bjorn Helgaas)
- Pass GAPSPCI_DMA_BASE CPU & bus address to dma_declare_coherent_memory()
(Bjorn Helgaas)"
* tag 'pci-v3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (92 commits)
MAINTAINERS: Add generic PCI host controller driver
PCI: generic: Add generic PCI host controller driver
PCI: imx6: Add support for MSI
PCI: designware: Make MSI ISR shared IRQ aware
PCI: imx6: Remove optional (and unused) IRQs
PCI: imx6: Drop old IRQ mapping
PCI: imx6: Use new clock names
i82875p_edac: Assign PCI resources before adding device
ARM/PCI: Call pcie_bus_configure_settings() to set MPS
PCI: imx6: Fix imx6_add_pcie_port() section mismatch warning
PCI: Make pci_bus_add_device() void
PCI: exynos: Fix add_pcie_port() section mismatch warning
PCI: Introduce new device binding path using pci_dev.driver_override
PCI: rcar: Add gen2 device tree support
PCI: cpqphp: Fix possible null pointer dereference
PCI: rcar: Add R-Car PCIe device tree bindings
PCI: rcar: Add MSI support for PCIe
PCI: rcar: Add Renesas R-Car PCIe driver
PCI: Fix return value from pci_user_{read,write}_config_*()
PCI: exynos: Remove unnecessary OOM messages
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
John W. Linville says:
====================
pull request: wireless-next 2014-06-02
Please pull this remaining batch of updates intended for the 3.16 stream...
For the mac80211 bits, Johannes says:
"The remainder for -next right now is mostly fixes, and a handful of
small new things like some CSA infrastructure, the regdb script mW/dBm
conversion change and sending wiphy notifications."
For the bluetooth bits, Gustavo says:
"Some more patches for 3.16. There is nothing really special here, just a
bunch of clean ups, fixes plus some small improvements. Please pull."
For the nfc bits, Samuel says:
"We have:
- Felica (Type3) tags support for trf7970a
- Type 4b tags support for port100
- st21nfca DTS typo fix
- A few sparse warning fixes"
For the atheros bits, Kalle says:
"Ben added support for setting antenna configurations. Michal improved
warm reset so that we would not need to fall back to cold reset that
often, an issue where ath10k stripped protected flag while in monitor
mode and made module initialisation asynchronous to fix the problems
with firmware loading when the driver is linked to the kernel.
Luca removed unused channel_switch_beacon callbacks both from ath9k and
ath10k. Marek fixed Protected Management Frames (PMF) when using Action
Frames. Also we had other small fixes everywhere in the driver."
Along with that, there are a handful of updates to a variety
of drivers. This includes updates to at76c50x-usb, ath9k, b43,
brcmfmac, mwifiex, rsi, rtlwifi, and wil6210.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Any process is able to send netlink messages with leftover bytes.
Make the warning rate-limited to prevent too much log spam.
The warning is supposed to help find userspace bugs, so print the
triggering command name to implicate the buggy program.
[v2: Use pr_warn_ratelimited instead of printk_ratelimited.]
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch uses a completion to prevent dlm's recovery process from
referencing and trying to recover a journal before a journal has been
opened.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Ideally, we would need to generate IP ID using a per destination IP
generator.
linux kernels used inet_peer cache for this purpose, but this had a huge
cost on servers disabling MTU discovery.
1) each inet_peer struct consumes 192 bytes
2) inetpeer cache uses a binary tree of inet_peer structs,
with a nominal size of ~66000 elements under load.
3) lookups in this tree are hitting a lot of cache lines, as tree depth
is about 20.
4) If server deals with many tcp flows, we have a high probability of
not finding the inet_peer, allocating a fresh one, inserting it in
the tree with same initial ip_id_count, (cf secure_ip_id())
5) We garbage collect inet_peer aggressively.
IP ID generation do not have to be 'perfect'
Goal is trying to avoid duplicates in a short period of time,
so that reassembly units have a chance to complete reassembly of
fragments belonging to one message before receiving other fragments
with a recycled ID.
We simply use an array of generators, and a Jenkin hash using the dst IP
as a key.
ipv6_select_ident() is put back into net/ipv6/ip6_output.c where it
belongs (it is only used from this file)
secure_ip_id() and secure_ipv6_id() no longer are needed.
Rename ip_select_ident_more() to ip_select_ident_segs() to avoid
unnecessary decrement/increment of the number of segments.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make of_mdiobus_link_phydev externally available.
This fixes CONFIG_OF_MDIO=m.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 86f6cf41272 ("net: of_mdio: add of_mdiobus_link_phydev()")
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use int rather than u32 to fix the following warning:
drivers/of/of_mdio.c:147 of_mdiobus_register() warn: unsigned 'addr' is
never less than zero.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Fixes: 8f8382888cba ("net: of_mdio: factor out code to parse a phy's 'reg' property")
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexander Duyck says:
====================
Provide common means for device address sync
The following series implements a means for synchronizing both unicast and
multicast addresses on a device interface. The code is based on the original
implementation of dev_uc_sync that was available for syncing a VLAN to the
lower dev.
The original reason for coming up for this patch is a driver that is still in
the early stages of development. The nearest driver I could find that
appeared to have the same limitations as the driver I was working on was the
Cisco enic driver. For this reason I chose it as the first driver to make use
of this interface publicly.
However, I do not have a Cisco enic interface so I have only been able to
compile test any changes made to the driver. I tried to keep this change as
simple as possible to avoid any issues. Any help with testing would be
greatly appreciated.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change updates the enic driver to make use of __dev_uc_sync and
__dev_mc_sync calls. Previously the driver was doing its own list
management by storing the mc_addr and uc_addr list in a 32 address array.
With this change the sync data is stored in the netdev_addr_list structures
and instead we just track how many addresses we have written to the device.
When we encounter 32 we stop and print a message as occurred previously with
the old approach.
Other than the core change the only other bit needed was to propagate the
constant attribute with the MAC address as there were several spots where
is twas only passed as a u8 * instead of a const u8 *.
This patch is meant to maintain the original functionality without the use
of the mc_addr and uc_addr arrays.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change provides a function to be used in order to break the
ndo_set_rx_mode call into a set of address add and remove calls. The code
is based on the implementation of dev_uc_sync/dev_mc_sync. Since they
essentially do the same thing but with only one dev I simply named my
functions __dev_uc_sync/__dev_mc_sync.
I also implemented an unsync version of the functions as well to allow for
cleanup on close.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexander Aring says:
====================
6lowpan: fragmentation fixes
This patch series fix the 6LoWPAN fragmentation which are in two cases broken.
The first case is if we have exactly two 6LoWPAN fragments only. This is fixed
by patch "6lowpan_rtnl: fix fragmentation with two fragments".
The second case is a off by one issue if we have payload which hits the fragment
boundary.
Both issues are introduced by commit d4b2816d67d6e07b2f27037f282d8db03a5829d7
("6lowpan: fix fragmentation").
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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