| Commit message (Collapse) | Author | Age |
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just a revert (gen4 backlight seems a lost cause) and a tlb coherency fix
for bdw, plus the patch to sign up Jani for co-maintainer. Thanks to Ben
for taking care of -fixes while I've enjoyed a bit of vacation.
* tag 'drm-intel-fixes-2014-01-08' of git://people.freedesktop.org/~danvet/drm-intel:
MAINTAINERS: Updates for drm/i915
Revert "drm/i915: assume all GM45 Acer laptops use inverted backlight PWM"
drm/i915/bdw: Flush system agent on gen8 also
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Jani for co-maintainer!
Jani has been a really active bug-scrubber in the past few months.
I've asked him whether he wants to do this in a more official capacity
and he agreed. I've already chatted with Dave and Jesse and they
support this.
Note that everyone can't now just relax because "Jani will do all the
bug scrubbing" - au contraire expect more nagging and poking now that
we have more bandwidth.
Longer-term the plan is to share more of the maintainer duties, but we
need to fix up the infrastructure a bit first (like moving the git
repo to a common location).
While at it also add the newly set-up patchwork instance.
Cc: Dave Airlie <airlied@gmail.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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My Acer 8510TZ stops displaying anything when X starts with Linus' current
tree. I bisected it down to commit ee1452d74584.
This patch reverts commit ee1452d74584.
After the revert, everything works as before.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Reported-by: Dylan Borg <borgdylan@hotmail.com> (for a Acer Extensa 5635Z)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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gem_gtt_cpu_tlb seems to indicate that it is needed.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=72869
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 bugfix from Ted Ts'o:
"Fix a regression introduced in v3.13-rc6"
* tag 'ext4_for_linus_stable' of http://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix bigalloc regression
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Commit f5a44db5d2 introduced a regression on filesystems created with
the bigalloc feature (cluster size > blocksize). It causes xfstests
generic/006 and /013 to fail with an unexpected JBD2 failure and
transaction abort that leaves the test file system in a read only state.
Other xfstests run on bigalloc file systems are likely to fail as well.
The cause is the accidental use of a cluster mask where a cluster
offset was needed in ext4_ext_map_blocks().
Signed-off-by: Eric Whitney <enwlinux@gmail.com>
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Pull networking fixes from David Miller:
"I'm hoping this is the very last batch of networking fixes for 3.13,
here goes nothing:
1) Fix crashes in VLAN's header_ops passthru.
2) Bridge multicast code needs to use BH spinlocks to prevent
deadlocks with timers. From Curt Brune.
3) ipv6 tunnels lack proper synchornization when updating percpu
statistics. From Li RongQing.
4) Fixes to bnx2x driver from Yaniv Rosner, Dmitry Kravkov and Michal
Kalderon.
5) Avoid undefined operator evaluation order in llc code, from Daniel
Borkmann.
6) Error paths in various GSO offload paths do not unwind properly,
in particular they must undo any modifications they have made to
the SKB. From Wei-Chun Chao.
7) Fix RX refill races during restore in virtio-net, from Jason Wang.
8) Fix SKB use after free in LLC code, from Daniel Borkmann.
9) Missing unlock and OOPS in netpoll code when VLAN tag handling
fails.
10) Fix vxlan device attachment wrt ipv6, from Fan Du.
11) Don't allow creating infiniband links to non-infiniband devices,
from Hangbin Liu.
12) Revert FEC phy reset active low change, it breaks things. From
Fabio Estevam.
13) Fix header pointer handling in 6lowpan header building code, from
Daniel Borkmann.
14) Fix RSS handling in be2net driver, from Vasundhara Volam.
15) Fix modem port indexing in HSO driver, from Dan Williams"
* http://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits)
bridge: use spin_lock_bh() in br_multicast_set_hash_max
ipv6: don't install anycast address for /128 addresses on routers
hso: fix handling of modem port SERIAL_STATE notifications
isdn: Drop big endian cpp checks from telespci and hfc_pci drivers
be2net: fix max_evt_qs calculation for BE3 in SR-IOV config
be2net: increase the timeout value for loopback-test FW cmd
be2net: disable RSS when number of RXQs is reduced to 1 via set-channels
xen-netback: Include header for vmalloc
net: 6lowpan: fix lowpan_header_create non-compression memcpy call
fec: Revert "fec: Do not assume that PHY reset is active low"
bnx2x: fix VLAN configuration for VFs.
bnx2x: fix AFEX memory overflow
bnx2x: Clean before update RSS arrives
bnx2x: Correct number of MSI-X vectors for VFs
bnx2x: limit number of interrupt vectors for 57711
qlcnic: Fix bug in Tx completion path
infiniband: make sure the src net is infiniband when create new link
{vxlan, inet6} Mark vxlan_dev flags with VXLAN_F_IPV6 properly
cxgb4: allow large buffer size to have page size
netpoll: Fix missing TXQ unlock and and OOPS.
...
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br_multicast_set_hash_max() is called from process context in
net/bridge/br_sysfs_br.c by the sysfs store_hash_max() function.
br_multicast_set_hash_max() calls spin_lock(&br->multicast_lock),
which can deadlock the CPU if a softirq that also tries to take the
same lock interrupts br_multicast_set_hash_max() while the lock is
held . This can happen quite easily when any of the bridge multicast
timers expire, which try to take the same lock.
The fix here is to use spin_lock_bh(), preventing other softirqs from
executing on this CPU.
Steps to reproduce:
1. Create a bridge with several interfaces (I used 4).
2. Set the "multicast query interval" to a low number, like 2.
3. Enable the bridge as a multicast querier.
4. Repeatedly set the bridge hash_max parameter via sysfs.
# brctl addbr br0
# brctl addif br0 eth1 eth2 eth3 eth4
# brctl setmcqi br0 2
# brctl setmcquerier br0 1
# while true ; do echo 4096 > /sys/class/net/br0/bridge/hash_max; done
Signed-off-by: Curt Brune <curt@cumulusnetworks.com>
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It does not make sense to create an anycast address for an /128-prefix.
Suppress it.
As 32019e651c6fce ("ipv6: Do not leave router anycast address for /127
prefixes.") shows we also may not leave them, because we could accidentally
remove an anycast address the user has allocated or got added via another
prefix.
Cc: François-Xavier Le Bail <fx.lebail@yahoo.com>
Cc: Thomas Haller <thaller@redhat.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The existing serial state notification handling expected older Option
devices, having a hardcoded assumption that the Modem port was always
USB interface #2. That isn't true for devices from the past few years.
hso_serial_state_notification is a local cache of a USB Communications
Interface Class SERIAL_STATE notification from the device, and the
USB CDC specification (section 6.3, table 67 "Class-Specific Notifications")
defines wIndex as the USB interface the event applies to. For hso
devices this will always be the Modem port, as the Modem port is the
only port which is set up to receive them by the driver.
So instead of always expecting USB interface #2, instead validate the
notification with the actual USB interface number of the Modem port.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With arm:allmodconfig, building the Teles PCI driver fails with
telespci.c:294:2: error: #error "not running on big endian machines now"
Similar, building the driver for HFC PCI-Bus cards fails with
hfc_pci.c:1647:2: error: #error "not running on big endian machines now"
Remove the big endian cpp check from both drivers to fix the build errors.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sathya Perla says:
====================
be2net: patch set
Pls apply the following bug fixes to the 'net' tree. Thanks.
Suresh Reddy (2):
be2net: increase the timeout value for loopback-test FW cmd
be2net: fix max_evt_qs calculation for BE3 in SR-IOV config
Vasundhara Volam (1):
be2net: disable RSS when number of RXQs is reduced to 1 via
set-channels
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver wrongly assumes 16 EQs/vectors are available for each BE3 PF.
When SR-IOV is enabled, a BE3 PF can support only a max of 8 EQs.
Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The loopback test FW cmd may need upto 15 seconds to complete on
certain PHYs. This patch also fixes the name of the completion variable
used to synchronize FW cmd completions as it not used by the flashing
cmd alone anymore.
Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When *only* the default RXQ is used, the RSS policy must be disabled so
that all IP and no-IP traffic is placed into the default RXQ. If not,
IP traffic is dropped.
Also, issue the RSS_CONFIG cmd only if FW advertises RSS capability for
the interface.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit ac3d5ac27735 ("xen-netback: fix guest-receive-side array sizes")
added calls to vmalloc and vfree in the interface.c file without including
<linux/vmalloc.h>. This causes build failures if the
-Werror=implicit-function-declaration flag is passed.
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In function lowpan_header_create(), we invoke the following code
construct:
struct ipv6hdr *hdr;
...
hdr = ipv6_hdr(skb);
...
if (...)
memcpy(hc06_ptr + 1, &hdr->flow_lbl[1], 2);
else
memcpy(hc06_ptr, &hdr, 4);
Where the else path of the condition, that is, non-compression
path, calls memcpy() with a pointer to struct ipv6hdr *hdr as
source, thus two levels of indirection. This cannot be correct,
and likely only one level of pointer was intended as source
buffer for memcpy() here.
Fixes: 44331fe2aa0d ("IEEE802.15.4: 6LoWPAN basic support")
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Werner Almesberger <werner@almesberger.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to keep DT compatibility we need to revert this, otherwise the original
dts files will no longer work with this driver change.
This reverts commit 7a399e3a2e05bc580a78ea72371b3896827f72e1.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yuval Mintz says:
====================
bnx2x: Bug fixes patch series
Most of what this parch series contains is SR-IOV related bug fixes.
Additionally, it contains some small fixes for legacy devices/modes.
Please consider applying these patches to `net'.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the hypervisor configures a vlan for the VF via the PF, the expected
result is that only packets tagged by said vlan will be received by the VF
(and that vlan will be silently removed).
Due to an incorrect manipulation of vlan filters in the driver, the
VF can receive untagged traffic even if the hypervisor configured
some vlan for it.
This patch corrects the behaviour.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are 2 different (related) flows in the slowpath configuration
that utilize the same pointer and cast it to different structs;
This is obviously incorrect as the intended allocated memory is that
of the smaller struct, possibly causing the flow utilizing the larger
struct to corrupt other slowpath configuration.
Since both flows are exclusive, set the allocated memory to be a union
of both structs.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a PF receives a VF message indicating a change in RSS properties
it should clean the flags' bit-fields; Otherwise, it's possible that
some random values will be considered as flags by the lower layers configuring
the RSS in FW.
Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Number of VFs in PCIe configuration space is zero-based. Driver incorrectly
sets the number of VFs to be larger by one than what actually is feasible by
HW, which might cause later VFs to fail to allocate their MSI-X interrupts.
Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Original straightforward division may lead to zeroing number of SB and
null-pointer dereference when device is short of MSIX vectors or lacks
MSIX capabilities.
Reported-by: Vladislav Zolotarov <vladz@cloudius-systems.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Driver is using common tx_clean_lock for all Tx queues. This patch
adds per queue tx_clean_lock.
o Driver is not updating sw_consumer while processing Tx completion
when interface is going down. Fixed in this patch.
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we create a new infiniband link with uninfiniband device, e.g. `ip link
add link em1 type ipoib pkey 0x8001`. We will get a NULL pointer dereference
cause other dev like Ethernet don't have struct ib_device.
The code path is:
rtnl_newlink
|-- ipoib_new_child_link
|-- __ipoib_vlan_add
|-- ipoib_set_dev_features
|-- ib_query_device
Fix this bug by make sure the src net is infiniband when create new link.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Even if user doesn't supply the physical netdev to attach vxlan dev
to, and at the same time user want to vxlan sit top of IPv6, mark
vxlan_dev flags with VXLAN_F_IPV6 to create IPv6 based socket.
Otherwise kernel crashes safely every time spitting below messages,
Steps to reproduce:
ip link add vxlan0 type vxlan id 42 group ff0e::110
ip link set vxlan0 up
[ 62.656266] BUG: unable to handle kernel NULL pointer dereference[ 62.656320] ip (3008) used greatest stack depth: 3912 bytes left
at 0000000000000046
[ 62.656423] IP: [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[ 62.656525] PGD 2c966067 PUD 2c9a2067 PMD 0
[ 62.656674] Oops: 0000 [#1] SMP
[ 62.656781] Modules linked in: vxlan netconsole deflate zlib_deflate af_key
[ 62.657083] CPU: 1 PID: 2128 Comm: whoopsie Not tainted 3.12.0+ #182
[ 62.657083] Hardware name: innotek GmbH VirtualBox, BIOS VirtualBox 12/01/2006
[ 62.657083] task: ffff88002e2335d0 ti: ffff88002c94c000 task.ti: ffff88002c94c000
[ 62.657083] RIP: 0010:[<ffffffff816d822d>] [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[ 62.657083] RSP: 0000:ffff88002fd038f8 EFLAGS: 00210296
[ 62.657083] RAX: 0000000000000000 RBX: ffff88002fd039e0 RCX: 0000000000000000
[ 62.657083] RDX: ffff88002fd0eb68 RSI: ffff88002fd0d278 RDI: ffff88002fd0d278
[ 62.657083] RBP: ffff88002fd03918 R08: 0000000002000000 R09: 0000000000000000
[ 62.657083] R10: 00000000000001ff R11: 0000000000000000 R12: 0000000000000001
[ 62.657083] R13: ffff88002d96b480 R14: ffffffff81c8e2c0 R15: 0000000000000001
[ 62.657083] FS: 0000000000000000(0000) GS:ffff88002fd00000(0063) knlGS:00000000f693b740
[ 62.657083] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
[ 62.657083] CR2: 0000000000000046 CR3: 000000002c9d2000 CR4: 00000000000006e0
[ 62.657083] Stack:
[ 62.657083] ffff88002fd03a40 ffffffff81c8e2c0 ffff88002fd039e0 ffff88002d96b480
[ 62.657083] ffff88002fd03958 ffffffff816cac8b ffff880019277cc0 ffff8800192b5d00
[ 62.657083] ffff88002d5bc000 ffff880019277cc0 0000000000001821 0000000000000001
[ 62.657083] Call Trace:
[ 62.657083] <IRQ>
[ 62.657083] [<ffffffff816cac8b>] ip6_dst_lookup_tail+0xdb/0xf0
[ 62.657083] [<ffffffff816caea0>] ip6_dst_lookup+0x10/0x20
[ 62.657083] [<ffffffffa0020c13>] vxlan_xmit_one+0x193/0x9c0 [vxlan]
[ 62.657083] [<ffffffff8137b3b7>] ? account+0xc7/0x1f0
[ 62.657083] [<ffffffffa0021513>] vxlan_xmit+0xd3/0x400 [vxlan]
[ 62.657083] [<ffffffff8161390d>] dev_hard_start_xmit+0x49d/0x5e0
[ 62.657083] [<ffffffff81613d29>] dev_queue_xmit+0x2d9/0x480
[ 62.657083] [<ffffffff817cb854>] ? _raw_write_unlock_bh+0x14/0x20
[ 62.657083] [<ffffffff81630565>] ? eth_header+0x35/0xe0
[ 62.657083] [<ffffffff8161bc5e>] neigh_resolve_output+0x11e/0x1e0
[ 62.657083] [<ffffffff816ce0e0>] ? ip6_fragment+0xad0/0xad0
[ 62.657083] [<ffffffff816cb465>] ip6_finish_output2+0x2f5/0x470
[ 62.657083] [<ffffffff816ce166>] ip6_finish_output+0x86/0xc0
[ 62.657083] [<ffffffff816ce218>] ip6_output+0x78/0xb0
[ 62.657083] [<ffffffff816eadd6>] mld_sendpack+0x256/0x2a0
[ 62.657083] [<ffffffff816ebd8c>] mld_ifc_timer_expire+0x17c/0x290
[ 62.657083] [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[ 62.657083] [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[ 62.657083] [<ffffffff81051065>] call_timer_fn+0x45/0x150
[ 62.657083] [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[ 62.657083] [<ffffffff81052353>] run_timer_softirq+0x1f3/0x2a0
[ 62.657083] [<ffffffff8102dfd8>] ? lapic_next_event+0x18/0x20
[ 62.657083] [<ffffffff8109e36f>] ? clockevents_program_event+0x6f/0x110
[ 62.657083] [<ffffffff8104a2f6>] __do_softirq+0xd6/0x2b0
[ 62.657083] [<ffffffff8104a75e>] irq_exit+0x7e/0xa0
[ 62.657083] [<ffffffff8102ea15>] smp_apic_timer_interrupt+0x45/0x60
[ 62.657083] [<ffffffff817d3eca>] apic_timer_interrupt+0x6a/0x70
[ 62.657083] <EOI>
[ 62.657083] [<ffffffff817d4a35>] ? sysenter_dispatch+0x7/0x1a
[ 62.657083] Code: 4d 8b 85 a8 02 00 00 4c 89 e9 ba 03 04 00 00 48 c7 c6 c0 be 8d 81 48 c7 c7 48 35 a3 81 31 c0 e8 db 68 0e 00 49 8b 85 a8 02 00 00 <0f> b6 40 46 c0 e8 05 0f b6 c0 c1 e0 03 41 09 c4 e9 77 ff ff ff
[ 62.657083] RIP [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[ 62.657083] RSP <ffff88002fd038f8>
[ 62.657083] CR2: 0000000000000046
[ 62.657083] ---[ end trace ba8a9583d7cd1934 ]---
[ 62.657083] Kernel panic - not syncing: Fatal exception in interrupt
Signed-off-by: Fan Du <fan.du@windriver.com>
Reported-by: Ryan Whelan <rcwhelan@gmail.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 52367a763d8046190754ab43743e42638564a2d1
("cxgb4/cxgb4vf: Code cleanup to enable T4 Configuration File support"),
we have failures like this during cxgb4 probe:
cxgb4 0000:01:00.4: bad SGE FL page buffer sizes [65536, 65536]
cxgb4: probe of 0000:01:00.4 failed with error -22
This happens whenever software parameters are used, without a
configuration file. That happens when the hardware was already
initialized (after kexec, or after csiostor is loaded).
It happens that these values are acceptable, rendering fl_pg_order equal
to 0, which is the case of a hard init when the page size is equal or
larger than 65536.
Accepting fl_large_pg equal to fl_small_pg solves the issue, and
shouldn't cause any trouble besides a possible performance reduction
when smaller pages are used. And that can be fixed by a configuration
file.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VLAN tag handling code in netpoll_send_skb_on_dev() has two problems.
1) It exits without unlocking the TXQ.
2) It then tries to queue a NULL skb to npinfo->txq.
Reported-by: Ahmed Tamrawi <atamrawi@iastate.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when read/write the 64bit data, the correct lock should be hold.
and we can use the generic vti6_get_stats to return stats, and
not define a new one in ip6_vti.c
Fixes: 87b6d218f3adb ("tunnel: implement 64 bits statistics")
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when read/write the 64bit data, the correct lock should be hold.
Fixes: 87b6d218f3adb ("tunnel: implement 64 bits statistics")
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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valid_lft is infinity
Fixed a problem with setting the lifetime of an IPv6
address. When setting preferred_lft to a value not zero or
infinity, while valid_lft is infinity(0xffffffff) preferred
lifetime is set to forever and does not update. Therefore
preferred lifetime never becomes deprecated. valid lifetime
and preferred lifetime should be set independently, even if
valid lifetime is infinity, preferred lifetime must expire
correctly (meaning it must eventually become deprecated)
Signed-off-by: Yasushi Asano <yasushi.asano@jp.fujitsu.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While commit 30a584d944fb fixes datagram interface in LLC, a use
after free bug has been introduced for SOCK_STREAM sockets that do
not make use of MSG_PEEK.
The flow is as follow ...
if (!(flags & MSG_PEEK)) {
...
sk_eat_skb(sk, skb, false);
...
}
...
if (used + offset < skb->len)
continue;
... where sk_eat_skb() calls __kfree_skb(). Therefore, cache
original length and work on skb_len to check partial reads.
Fixes: 30a584d944fb ("[LLX]: SOCK_DGRAM interface fixes")
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During restoring, try_fill_recv() was called with neither napi lock nor napi
disabled. This can lead two try_fill_recv() was called in the same time. Fix
this by refilling before trying to enable napi.
Fixes 0741bcb5584f9e2390ae6261573c4de8314999f2
(virtio: net: Add freeze, restore handlers to support S4).
Cc: Amit Shah <amit.shah@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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VM to VM GSO traffic is broken if it goes through VXLAN or GRE
tunnel and the physical NIC on the host supports hardware VXLAN/GRE
GSO offload (e.g. bnx2x and next-gen mlx4).
Two issues -
(VXLAN) VM traffic has SKB_GSO_DODGY and SKB_GSO_UDP_TUNNEL with
SKB_GSO_TCP/UDP set depending on the inner protocol. GSO header
integrity check fails in udp4_ufo_fragment if inner protocol is
TCP. Also gso_segs is calculated incorrectly using skb->len that
includes tunnel header. Fix: robust check should only be applied
to the inner packet.
(VXLAN & GRE) Once GSO header integrity check passes, NULL segs
is returned and the original skb is sent to hardware. However the
tunnel header is already pulled. Fix: tunnel header needs to be
restored so that hardware can perform GSO properly on the original
packet.
Signed-off-by: Wei-Chun Chao <weichunc@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The SCTP outqueue structure maintains a data chunks
that are pending transmission, the list of chunks that
are pending a retransmission and a length of data in
flight. It also tries to keep the emtpy state so that
it can performe shutdown sequence or notify user.
The problem is that the empy state is inconsistently
tracked. It is possible to completely drain the queue
without sending anything when using PR-SCTP. In this
case, the empty state will not be correctly state as
report by Jamal Hadi Salim <jhs@mojatatu.com>. This
can cause an association to be perminantly stuck in the
SHUTDOWN_PENDING state.
Additionally, SCTP is incredibly inefficient when setting
the empty state. Even though all the data is availaible
in the outqueue structure, we ignore it and walk a list
of trasnports.
In the end, we can completely remove the extra empty
state and figure out if the queue is empty by looking
at 3 things: length of pending data, length of in-flight
data, and exisiting of retransmit data. All of these
are already in the strucutre.
Reported-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Tested-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o TX queues allocation was getting distributed equally among all the
functions of the port including VFs and PF. Which was leading to failure
in PF's multiple TX queues creation.
o Instead of dividing queues equally allocate one TX queue for each VF as VF
doesn't support multiple TX queues.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Adapter requires that if the port is in loopback mode no traffic should
be flowing through that port, so on arrival of Link up AEN, do not advertise
Link up to the stack until port is out of loopback mode
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when read/write the 64bit data, the correct lock should be hold.
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Function llc_conn_ac_inc_vr_by_1() evaluates via macro
PDU_GET_NEXT_Vr() into ...
llc_sk(sk)->vR = ++llc_sk(sk)->vR & 0xffffffffffffff7f
... but the order in which the side effects take place is
undefined because there is no intervening sequence point.
As llc_sk(sk)->vR is written in llc_sk(sk)->vR (assignment
left-hand side) and written in ++llc_sk(sk)->vR & 0xffffffffffffff7f
this might possibly yield undefined behavior.
The final value of llc_sk(sk)->vR is ambiguous, because,
depending on the order of expression evaluation, the
increment may occur before, after, or interleaved with
the assignment. In C, evaluating such an expression yields
undefined behavior.
Since we're doing the increment via PDU_GET_NEXT_Vr() macro
and the only place it is being used is from
llc_conn_ac_inc_vr_by_1(), in order to increment vR by 1
with a follow-up optimized modulo, rewrite the expression
into ((vR + 1) & CONST) in order to fix this.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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KR2 work-around is based on detecting non-KR2 devices which may not link up
in this mode. One such link-partner is the BCM8073 which has specific
advertisement characteristics in specific mode, and this condition was not set
correctly.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a problem where link is reported to be up when SFP+ module is plugged in
without cable. This occurs with specific module types which may generate
temporary TX_FAULT indication. Solution is to avoid changing any link parameters
when checking TX_FAULT indication while physical link is down.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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BCM54618SE is used to advertise half-duplex even if HD was not requested by the
user. This change makes the legacy speed/duplex advertisement for this PHY
exactly according to the requested speed and duplex.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix Passive DAC detection for specific cables, such that even in case
SFP_CABLE_TECHNOLOGY option is not set in the EEPROM (offset 8), treat it as a
passive DAC cable, since some cables don't have this indication.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a problem where 578xx-KR is unable to get link when connected to 1G link
partner. Two fixes were required:
One was to force CL37 sync_status low to prevent Warpcore from getting stuck in
CL73 parallel detect loop while link partner is sending.
Second fix was to enable auto-detect mode, thus allowing the Warpcore to select
the higher speed protocol between 10G-KR (over CL73), or go down to 1G over CL73
when there's indication for it.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Even with the quirks in commit dabdaf0c (mcs7830: Fix link state
detection) there are still spurious link-down events for some chips
where the false link-down events count go over a few hundreds.
This patch takes a more conservative approach and only looks at
link-down events where the link-down state is not combined with other
states (e.g. half/full speed, pending frames in SRAM or TX status
information valid). In all other cases we assume the link is up.
Tested on MCS7830CV-DA (USB ID 9710:7830).
Cc: Ondrej Zary <linux@rainbow-software.org>
Cc: Michael Leun <lkml20120218@newton.leun.net>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the vlan code detects that the real device can do TX VLAN offloads
in hardware, it tries to arrange for the real device's header_ops to
be invoked directly.
But it does so illegally, by simply hooking the real device's
header_ops up to the VLAN device.
This doesn't work because we will end up invoking a set of header_ops
routines which expect a device type which matches the real device, but
will see a VLAN device instead.
Fix this by providing a pass-thru set of header_ops which will arrange
to pass the proper real device instead.
To facilitate this add a dev_rebuild_header(). There are
implementations which provide a ->cache and ->create but not a
->rebuild (f.e. PLIP). So we need a helper function just like
dev_hard_header() to avoid crashes.
Use this helper in the one existing place where the
header_ops->rebuild was being invoked, the neighbour code.
With lots of help from Florian Westphal.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull ARM fixes from Russell King:
"Another set of small fixes for ARM, covering various areas.
Laura fixed a long standing issue with virt_addr_valid() failing to
handle holes in memory. Steve found a problem with dcache flushing
for compound pages. I fixed another bug in footbridge stuff causing
time to tick slowly, and also a problem with the AES code which can
cause linker errors.
A patch from Rob which fixes Xen problems induced by a lack of
consistency in our naming of ioremap_cache() - which thankfully has
very few users"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 7933/1: rename ioremap_cached to ioremap_cache
ARM: fix "bad mode in ... handler" message for undefined instructions
CRYPTO: Fix more AES build errors
ARM: 7931/1: Correct virt_addr_valid
ARM: 7923/1: mm: fix dcache flush logic for compound high pages
ARM: fix footbridge clockevent device
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ioremap_cache is more aligned with other architectures.
There are only 2 users of this in the kernel: pxa2xx-flash and Xen.
This fixes Xen build failures on arm64:
drivers/tty/hvc/hvc_xen.c:233:2: error: implicit declaration of function 'ioremap_cached' [-Werror=implicit-function-declaration]
drivers/xen/grant-table.c:1174:3: error: implicit declaration of function 'ioremap_cached' [-Werror=implicit-function-declaration]
drivers/xen/xenbus/xenbus_probe.c:778:4: error: implicit declaration of function 'ioremap_cached' [-Werror=implicit-function-declaration]
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The array was missing the final entry for the undefined instruction
exception handler; this commit adds it.
Cc: <stable@vger.kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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