Disable a debugging statement that has been left enabled
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The afs filesystem needs to wait for any outstanding asynchronous calls
(such as FS.GiveUpCallBacks cleaning up the callbacks lodged with a server)
to complete before closing the AF_RXRPC socket when unloading the module.
This may occur if the module is removed too quickly after unmounting all
filesystems. This will produce an error report that looks like:
AFS: Assertion failed
1 == 0 is false
0x1 == 0x0 is false
------------[ cut here ]------------
kernel BUG at ../fs/afs/rxrpc.c:135!
...
RIP: 0010:[<ffffffffa004111c>] afs_close_socket+0xec/0x107 [kafs]
...
Call Trace:
[<ffffffffa004a160>] afs_exit+0x1f/0x57 [kafs]
[<ffffffff810c30a0>] SyS_delete_module+0xec/0x17d
[<ffffffff81610417>] entry_SYSCALL_64_fastpath+0x12/0x6b
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Willem de Bruijn says:
====================
net: fix udp pull header breakage
Commit e6afc8ace6 ("udp: remove headers from UDP packets before
queueing") modified udp receive processing to pull headers before
enqueue and to not expect them on dequeue.
The patch missed protocols on top of udp with in-kernel
implementations that have their own skb_recv_datagram calls and
dequeue logic. Modify these datapaths to also no longer expect
a udp header at skb->data.
Sunrpc and rxrpc are the only two protocols that call this
function and contain references to udphr (some others, like tipc,
are based on encap_rcv, which acts before enqueue, before the
the header pull).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit e6afc8ace6 modified the udp receive path by pulling the udp
header before queuing an skbuff onto the receive queue.
Rxrpc also calls skb_recv_datagram to dequeue an skb from a udp
socket. Modify this receive path to also no longer expect udp
headers.
Fixes: e6afc8ace6 ("udp: remove headers from UDP packets before queueing")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit e6afc8ace6 modified the udp receive path by pulling the udp
header before queuing an skbuff onto the receive queue.
Sunrpc also calls skb_recv_datagram to dequeue an skb from a udp
socket. Modify this receive path to also no longer expect udp
headers.
Fixes: e6afc8ace6 ("udp: remove headers from UDP packets before queueing")
Reported-by: Franklin S Cooper Jr. <fcooper@ti.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Multipath route lookups should consider knowledge about next hops and not
select a hop that is known to be failed.
Example:
[h2] [h3] 15.0.0.5
| |
3| 3|
[SP1] [SP2]--+
1 2 1 2
| | /-------------+ |
| \ / |
| X |
| / \ |
| / \---------------\ |
1 2 1 2
12.0.0.2 [TOR1] 3-----------------3 [TOR2] 12.0.0.3
4 4
\ /
\ /
\ /
-------| |-----/
1 2
[TOR3]
3|
|
[h1] 12.0.0.1
host h1 with IP 12.0.0.1 has 2 paths to host h3 at 15.0.0.5:
root@h1:~# ip ro ls
...
12.0.0.0/24 dev swp1 proto kernel scope link src 12.0.0.1
15.0.0.0/16
nexthop via 12.0.0.2 dev swp1 weight 1
nexthop via 12.0.0.3 dev swp1 weight 1
...
If the link between tor3 and tor1 is down and the link between tor1
and tor2 then tor1 is effectively cut-off from h1. Yet the route lookups
in h1 are alternating between the 2 routes: ping 15.0.0.5 gets one and
ssh 15.0.0.5 gets the other. Connections that attempt to use the
12.0.0.2 nexthop fail since that neighbor is not reachable:
root@h1:~# ip neigh show
...
12.0.0.3 dev swp1 lladdr 00:02:00:00:00:1b REACHABLE
12.0.0.2 dev swp1 FAILED
...
The failed path can be avoided by considering known neighbor information
when selecting next hops. If the neighbor lookup fails we have no
knowledge about the nexthop, so give it a shot. If there is an entry
then only select the nexthop if the state is sane. This is similar to
what fib_detect_death does.
To maintain backward compatibility use of the neighbor information is
based on a new sysctl, fib_multipath_use_neigh.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Reviewed-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
Grygorii Strashko says:
====================
drivers: net: cpsw: fix ale calls and drop host_port field from cpsw_priv
This clean up series intended to:
- fix port_mask parameters in ale calls and drop unnecessary shifts
- drop host_port field from struct cpsw_priv
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The host_port field is constantly assigned to 0 and this value has
never changed (since time when cpsw driver was introduced. More over,
if this field will be assigned to non 0 value it will break current
driver functionality.
Hence, there are no reasons to continue maintaining this host_port
field and it can be removed, and the HOST_PORT_NUM and ALE_PORT_HOST
defines can be used instead.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ALE APIs expect to receive port masks as input values for arguments
port_mask, untag, reg_mcast, unreg_mcast. But there are few places in
code where port masks are passed left-shifted by cpsw_priv->host_port,
like below:
cpsw_ale_add_vlan(priv->ale, priv->data.default_vlan,
ALE_ALL_PORTS << priv->host_port,
ALE_ALL_PORTS << priv->host_port, 0, 0);
and cpsw is still working just because priv->host_port == 0
and has never ever been changed.
Hence, fix port_mask parameters in ALE APIs calls and drop
"<< priv->host_port" from all places where it's used to
shift valid port mask.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The protocol is 16bit, not 32bit.
Fixes: e1e5314de0 ("vxlan: implement GPE")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the function resource_size instead of explicit computation.
Problem found using Coccinelle.
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: Update for net-next
Misc. changes for link speed and VF MAC address change.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
On some dual port cards, link speeds on both ports have to be compatible.
Firmware will inform the driver when a certain speed is no longer
supported if the other port has linked up at a certain speed. Add
logic to handle this event by logging a message and getting the
updated list of supported speeds.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some hypervisors (e.g. ESX) require the VF MAC address to be forwarded to
the PF for approval. In Linux PF, the call is not forwarded and the
firmware will simply check and approve the MAC address if the PF has not
previously administered a valid MAC address for this VF.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Let firmware know that the driver is giving up control of the link so that
it can be shutdown if no management firmware is running.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10GBaseT devices must autonegotiate to determine master/slave clocking.
Disallow forced speed in ethtool .set_settings() for these devices.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Major changes:
iwlwifi
* support for Link Quality measurement
* more work 9000 devices and MSIx
* continuation of the Dynamic Queue Allocation work
* make the paging less memory hungry
* 9000 new Rx path
* removal of IWLWIFI_UAPSD Kconfig option
ath10k
* implement push-pull tx model using mac80211 software queuing support
* enable scan in AP mode (NL80211_FEATURE_AP_SCAN)
wil6210
* add basic PBSS (Personal Basic Service Set) support
* add initial P2P support
* add oob_mode module parameter
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Merge tag 'wireless-drivers-next-for-davem-2016-04-11' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers patches for 4.7
Major changes:
iwlwifi
* support for Link Quality measurement
* more work 9000 devices and MSIx
* continuation of the Dynamic Queue Allocation work
* make the paging less memory hungry
* 9000 new Rx path
* removal of IWLWIFI_UAPSD Kconfig option
ath10k
* implement push-pull tx model using mac80211 software queuing support
* enable scan in AP mode (NL80211_FEATURE_AP_SCAN)
wil6210
* add basic PBSS (Personal Basic Service Set) support
* add initial P2P support
* add oob_mode module parameter
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
verifier is using the following structure to track the state of registers:
struct reg_state {
enum bpf_reg_type type;
union {
int imm;
struct bpf_map *map_ptr;
};
};
and later on in states_equal() does memcmp(&old->regs[i], &cur->regs[i],..)
to find equivalent states.
Throughout the code of verifier there are assignements to 'imm' and 'map_ptr'
fields and it's not obvious that most of the assignments into 'imm' don't
need to clear extra 4 bytes (like mark_reg_unknown_value() does) to make sure
that memcmp doesn't go over junk left from 'map_ptr' assignment.
Simplify the code by converting 'int' into 'long'
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
A stupid refactoring bug in inet6_lookup_listener() needs to be fixed
in order to get proper SO_REUSEPORT behavior.
Fixes: 3b24d854cb ("tcp/dccp: do not touch listener sk_refcnt under synflood")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Here are two tty fixes for issues found. One was due to a merge error
in 4.6-rc1, and the other a regression fix for UML consoles that broke
in 4.6-rc1.
Both have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fixes from Greg KH:
"Here are two tty fixes for issues found.
One was due to a merge error in 4.6-rc1, and the other a regression
fix for UML consoles that broke in 4.6-rc1.
Both have been in linux-next for a while"
* tag 'tty-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: Fix merge of "tty: Refactor tty_open()"
tty: Fix UML console breakage
Here are some USB fixes and new device ids for 4.6-rc3.
Nothing major, the normal USB gadget fixes and usb-serial driver ids,
along with some other fixes mixed in. All except the USB serial ids
have been tested in linux-next, the id additions should be fine as they
are "trivial".
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB fixes and new device ids for 4.6-rc3.
Nothing major, the normal USB gadget fixes and usb-serial driver ids,
along with some other fixes mixed in. All except the USB serial ids
have been tested in linux-next, the id additions should be fine as
they are 'trivial'"
* tag 'usb-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
USB: option: add "D-Link DWM-221 B1" device id
USB: serial: cp210x: Adding GE Healthcare Device ID
USB: serial: ftdi_sio: Add support for ICP DAS I-756xU devices
usb: dwc3: keystone: drop dma_mask configuration
usb: gadget: udc-core: remove manual dma configuration
usb: dwc3: pci: add ID for one more Intel Broxton platform
usb: renesas_usbhs: fix to avoid using a disabled ep in usbhsg_queue_done()
usb: dwc2: do not override forced dr_mode in gadget setup
usb: gadget: f_midi: unlock on error
USB: digi_acceleport: do sanity checking for the number of ports
USB: cypress_m8: add endpoint sanity check
USB: mct_u232: add sanity checking in probe
usb: fix regression in SuperSpeed endpoint descriptor parsing
USB: usbip: fix potential out-of-bounds write
usb: renesas_usbhs: disable TX IRQ before starting TX DMAC transfer
usb: renesas_usbhs: avoid NULL pointer derefernce in usbhsf_pkt_handler()
usb: gadget: f_midi: Fixed a bug when buflen was smaller than wMaxPacketSize
usb: phy: qcom-8x16: fix regulator API abuse
usb: ch9: Fix SSP Device Cap wFunctionalitySupport type
usb: gadget: composite: Access SSP Dev Cap fields properly
...
Here are some IIO driver fixes, along with two staging driver fixes for
4.6-rc3.
One staging driver patch reverts the deletion of a driver that happened
in 4.6-rc1. We thought that laptop.org was dead, but it's still alive
and kicking, and has users that were mad we broke their hardware by
deleting a driver for their machines. So that driver is added back and
everyone is happy again.
All of these have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO driver fixes from Greg KH:
"Here are some IIO driver fixes, along with two staging driver fixes
for 4.6-rc3.
One staging driver patch reverts the deletion of a driver that
happened in 4.6-rc1. We thought that laptop.org was dead, but it's
still alive and kicking, and has users that were mad we broke their
hardware by deleting a driver for their machines. So that driver is
added back and everyone is happy again.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
Revert "Staging: olpc_dcon: Remove obsolete driver"
staging/rdma/hfi1: select CRC32
iio: gyro: bmg160: fix buffer read values
iio: gyro: bmg160: fix endianness when reading axes
iio: accel: bmc150: fix endianness when reading axes
iio: st_magn: always define ST_MAGN_TRIGGER_SET_STATE
iio: fix config watermark initial value
iio: health: max30100: correct FIFO check condition
iio: imu: Fix inv_mpu6050 dependencies
iio: adc: Fix build error of missing devm_ioremap_resource on UM
iio: light: apds9960: correct FIFO check condition
iio: adc: max1363: correct reference voltage
iio: adc: max1363: add missing adc to max1363_id
This is a set of 8 fixes. Two are trivial gcc-6 updates (brace
additions and unused variable removal). There's a couple of cxlflash
regressions, a correction for sd being overly chatty on revalidation
(causing excess log increases). A VPD issue which could crash USB
devices because they seem very intolerant to VPD inquiries, an ALUA
deadlock fix and a mpt3sas buffer overrun fix.
Signed-off-by: James Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of eight fixes.
Two are trivial gcc-6 updates (brace additions and unused variable
removal). There's a couple of cxlflash regressions, a correction for
sd being overly chatty on revalidation (causing excess log increases).
A VPD issue which could crash USB devices because they seem very
intolerant to VPD inquiries, an ALUA deadlock fix and a mpt3sas buffer
overrun fix"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: Do not attach VPD to devices that don't support it
sd: Fix excessive capacity printing on devices with blocks bigger than 512 bytes
scsi_dh_alua: Fix a recently introduced deadlock
scsi: Declare local symbols static
cxlflash: Move to exponential back-off when cmd_room is not available
cxlflash: Fix regression issue with re-ordering patch
mpt3sas: Don't overreach ioc->reply_post[] during initialization
aacraid: add missing curly braces
Pull MD fixes from Shaohua Li:
"This update mainly fixes bugs:
- fix error handling (Guoqing)
- fix a crash when a disk is hotremoved (me)
- fix a dead loop (Wei Fang)"
* tag 'md/4.6-rc2-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md/bitmap: clear bitmap if bitmap_create failed
MD: add rdev reference for super write
md: fix a trivial typo in comments
md:raid1: fix a dead loop when read from a WriteMostly disk
- intel_pstate fixes for two issues exposed by the recent switch
over from using timers and for one issue introduced during the
4.4 cycle plus new comments describing data structures used by
the driver (Rafael Wysocki, Srinivas Pandruvada).
- intel_idle fixes related to CPU offline/online (Richard Cochran).
- intel_idle support (new CPU IDs and state definitions mostly) for
Skylake-X and Kabylake processors (Len Brown).
- PCC mailbox driver fix for an out-of-bounds memory access that
may cause the kernel to panic() (Shanker Donthineni).
- New (missing) CPU ID for one apparently overlooked Haswell model
in the Intel RAPL power capping driver (Srinivas Pandruvada).
- Fix for the PM core's wakeup IRQs framework to make it work after
wakeup settings reconfiguration from sysfs (Grygorii Strashko).
- Runtime PM documentation update to make it describe what needs
to be done during device removal more precisely (Krzysztof
Kozlowski).
- Stale comment removal cleanup in the cpufreq-dt driver (Viresh
Kumar).
- turbostat utility fixes and support for Broxton, Skylake-X
and Kabylake processors (Len Brown).
/
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Merge tag 'pm+acpi-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"Fixes for some issues discovered after recent changes and for some
that have just been found lately regardless of those changes
(intel_pstate, intel_idle, PM core, mailbox/pcc, turbostat) plus
support for some new CPU models (intel_idle, Intel RAPL driver,
turbostat) and documentation updates (intel_pstate, PM core).
Specifics:
- intel_pstate fixes for two issues exposed by the recent switch over
from using timers and for one issue introduced during the 4.4 cycle
plus new comments describing data structures used by the driver
(Rafael Wysocki, Srinivas Pandruvada).
- intel_idle fixes related to CPU offline/online (Richard Cochran).
- intel_idle support (new CPU IDs and state definitions mostly) for
Skylake-X and Kabylake processors (Len Brown).
- PCC mailbox driver fix for an out-of-bounds memory access that may
cause the kernel to panic() (Shanker Donthineni).
- New (missing) CPU ID for one apparently overlooked Haswell model in
the Intel RAPL power capping driver (Srinivas Pandruvada).
- Fix for the PM core's wakeup IRQs framework to make it work after
wakeup settings reconfiguration from sysfs (Grygorii Strashko).
- Runtime PM documentation update to make it describe what needs to
be done during device removal more precisely (Krzysztof Kozlowski).
- Stale comment removal cleanup in the cpufreq-dt driver (Viresh
Kumar).
- turbostat utility fixes and support for Broxton, Skylake-X and
Kabylake processors (Len Brown)"
* tag 'pm+acpi-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (28 commits)
PM / wakeirq: fix wakeirq setting after wakup re-configuration from sysfs
tools/power turbostat: work around RC6 counter wrap
tools/power turbostat: initial KBL support
tools/power turbostat: initial SKX support
tools/power turbostat: decode BXT TSC frequency via CPUID
tools/power turbostat: initial BXT support
tools/power turbostat: print IRTL MSRs
tools/power turbostat: SGX state should print only if --debug
intel_idle: Add KBL support
intel_idle: Add SKX support
intel_idle: Clean up all registered devices on exit.
intel_idle: Propagate hot plug errors.
intel_idle: Don't overreact to a cpuidle registration failure.
intel_idle: Setup the timer broadcast only on successful driver load.
intel_idle: Avoid a double free of the per-CPU data.
intel_idle: Fix dangling registration on error path.
intel_idle: Fix deallocation order on the driver exit path.
intel_idle: Remove redundant initialization calls.
intel_idle: Fix a helper function's return value.
intel_idle: remove useless return from void function.
...
Pull networking fixes from David Miller:
1) Stale SKB data pointer access across pskb_may_pull() calls in L2TP,
from Haishuang Yan.
2) Fix multicast frame handling in mac80211 AP code, from Felix
Fietkau.
3) mac80211 station hashtable insert errors not handled properly, fix
from Johannes Berg.
4) Fix TX descriptor count limit handling in e1000, from Alexander
Duyck.
5) Revert a buggy netdev refcount fix in netpoll, from Bjorn Helgaas.
6) Must assign rtnl_link_ops of the device before registering it, fix
in ip6_tunnel from Thadeu Lima de Souza Cascardo.
7) Memory leak fix in tc action net exit, from WANG Cong.
8) Add missing AF_KCM entries to name tables, from Dexuan Cui.
9) Fix regression in GRE handling of csums wrt. FOU, from Alexander
Duyck.
10) Fix memory allocation alignment and congestion map corruption in
RDS, from Shamir Rabinovitch.
11) Fix default qdisc regression in tuntap driver, from Jason Wang.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
bridge, netem: mark mailing lists as moderated
tuntap: restore default qdisc
mpls: find_outdev: check for err ptr in addition to NULL check
ipv6: Count in extension headers in skb->network_header
RDS: fix congestion map corruption for PAGE_SIZE > 4k
RDS: memory allocated must be align to 8
GRE: Disable segmentation offloads w/ CSUM and we are encapsulated via FOU
net: add the AF_KCM entries to family name tables
MAINTAINERS: intel-wired-lan list is moderated
lib/test_bpf: Add additional BPF_ADD tests
lib/test_bpf: Add test to check for result of 32-bit add that overflows
lib/test_bpf: Add tests for unsigned BPF_JGT
lib/test_bpf: Fix JMP_JSET tests
VSOCK: Detach QP check should filter out non matching QPs.
stmmac: fix adjust link call in case of a switch is attached
af_packet: tone down the Tx-ring unsupported spew.
net_sched: fix a memory leak in tc action
samples/bpf: Enable powerpc support
samples/bpf: Use llc in PATH, rather than a hardcoded value
samples/bpf: Fix build breakage with map_perf_test_user.c
...
Pull btrfs fixes from Chris Mason:
"These are bug fixes, including a really old fsync bug, and a few trace
points to help us track down problems in the quota code"
* 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix file/data loss caused by fsync after rename and new inode
btrfs: Reset IO error counters before start of device replacing
btrfs: Add qgroup tracing
Btrfs: don't use src fd for printk
btrfs: fallback to vmalloc in btrfs_compare_tree
btrfs: handle non-fatal errors in btrfs_qgroup_inherit()
btrfs: Output more info for enospc_debug mount option
Btrfs: fix invalid reference in replace_path
Btrfs: Improve FL_KEEP_SIZE handling in fallocate
Cleanups:
- remove an unused variable from orangefs_readdir.
- clean up printk wrapper used for ofs "gossip" debugging.
- clean up truncate ctime and mtime setting in inode.c
- remove a useless null check found by coccinelle.
- optimize some memcpy/memset boilerplate code.
- remove some useless sanity checks from xattr.c
Fix:
- fix a potential strncpy vulnerability.
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Merge tag 'for-linus-4.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs fixes from Mike Marshall:
"Orangefs cleanups and a strncpy vulnerability fix.
Cleanups:
- remove an unused variable from orangefs_readdir.
- clean up printk wrapper used for ofs "gossip" debugging.
- clean up truncate ctime and mtime setting in inode.c
- remove a useless null check found by coccinelle.
- optimize some memcpy/memset boilerplate code.
- remove some useless sanity checks from xattr.c
Fix:
- fix a potential strncpy vulnerability"
* tag 'for-linus-4.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
orangefs: remove unused variable
orangefs: Add KERN_<LEVEL> to gossip_<level> macros
orangefs: strncpy -> strscpy
orangefs: clean up truncate ctime and mtime setting
Orangefs: fix ifnullfree.cocci warnings
Orangefs: optimize boilerplate code.
Orangefs: xattr.c cleanup
- Compile-time fixes (warnings and failures)
- A bug in iommu core code which could cause the group->domain pointer
to be falsly cleared
- Fix in scatterlist handling of the ARM common DMA-API code
- Stall detection fix for the Rockchip IOMMU driver
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Merge tag 'iommu-fixes-v4.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- compile-time fixes (warnings and failures)
- a bug in iommu core code which could cause the group->domain pointer
to be falsly cleared
- fix in scatterlist handling of the ARM common DMA-API code
- stall detection fix for the Rockchip IOMMU driver
* tag 'iommu-fixes-v4.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/vt-d: Silence an uninitialized variable warning
iommu/rockchip: Fix "is stall active" check
iommu: Don't overwrite domain pointer when there is no default_domain
iommu/dma: Restore scatterlist offsets correctly
iommu: provide of_xlate pointer unconditionally
Enables the use of multiple transmit and receive scrqs allowing the ibmvnic
driver to take advantage of multiqueue functionality. To achieve this, the
driver must implement the process of negotiating the maximum number of
queues allowed by the server. Initially, the driver will attempt to login
with the maximum number of tx and rx queues supported by the server. If
the server fails to allocate the requested number of scrqs, it will return
partial success in the login response. In this case, we must reinitiate
the login process from the request capabilities stage and attempt to login
requesting fewer scrqs.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Here are some new device ids.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.6-rc3
Here are some new device ids.
Signed-off-by: Johan Hovold <johan@kernel.org>
Vivien Didelot says:
====================
net: dsa: voidify STP setter and FDB/VLAN add ops
Neither the DSA layer nor the bridge code (see br_set_state) really care
about eventual errors from STP state setters, so make it void.
The DSA layer separates the prepare and commit phases of switchdev in
two different functions. Logical errors must not happen in commit
routines, so make them void.
Changes v1 -> v2:
- rename port_stp_update to port_stp_state_set
- don't change code flow of bcm_sf2_sw_br_set_stp_state
- prefer netdev_err over netdev_warn
====================
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The switchdev design implies that a software error should not happen in
the commit phase since it must have been previously reported in the
prepare phase. If an hardware error occurs during the commit phase,
there is nothing switchdev can do about it.
The DSA layer separates port_vlan_prepare and port_vlan_add for
simplicity and convenience. If an hardware error occurs during the
commit phase, there is no need to report it outside the driver itself.
Make the DSA port_vlan_add routine return void for explicitness.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The switchdev design implies that a software error should not happen in
the commit phase since it must have been previously reported in the
prepare phase. If an hardware error occurs during the commit phase,
there is nothing switchdev can do about it.
The DSA layer separates port_fdb_prepare and port_fdb_add for simplicity
and convenience. If an hardware error occurs during the commit phase,
there is no need to report it outside the DSA driver itself.
Make the DSA port_fdb_add routine return void for explicitness.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The DSA layer doesn't care about the return code of the port_stp_update
routine, so make it void in the layer and the DSA drivers.
Replace the useless dsa_slave_stp_update function with a
dsa_slave_stp_state function used to reply to the switchdev
SWITCHDEV_ATTR_ID_PORT_STP_STATE attribute.
In the meantime, rename port_stp_update to port_stp_state_set to
explicit the state change.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add description for the missing port_vlan_prepare, port_fdb_prepare,
port_fdb_dump functions in the DSA documentation.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
* Bob's mesh mode rhashtable conversion, this includes
the rhashtable API change for allocation flags
* BSSID scan, connect() command reassoc support (Jouni)
* fast (optimised data only) and support for RSS in mac80211 (myself)
* various smaller changes
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Merge tag 'mac80211-next-for-davem-2016-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
For the 4.7 cycle, we have a number of changes:
* Bob's mesh mode rhashtable conversion, this includes
the rhashtable API change for allocation flags
* BSSID scan, connect() command reassoc support (Jouni)
* fast (optimised data only) and support for RSS in mac80211 (myself)
* various smaller changes
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
* TDLS fixes from Arik and Ilan
* rhashtable fixes from Ben and myself
* documentation fixes from Luis
* U-APSD fixes from Emmanuel
* a TXQ fix from Felix
* and a compiler warning suppression from Jeff
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Merge tag 'mac80211-for-davem-2016-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
For the current RC series, we have the following fixes:
* TDLS fixes from Arik and Ilan
* rhashtable fixes from Ben and myself
* documentation fixes from Luis
* U-APSD fixes from Emmanuel
* a TXQ fix from Felix
* and a compiler warning suppression from Jeff
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
I moderate these (lightly loaded) lists to block spam.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The verifier needs to go through every path of the program in
order to check that it terminates safely, which can be quite a
lot of instructions that need to be processed f.e. in cases with
more branchy programs. With search pruning from f1bca824da ("bpf:
add search pruning optimization to verifier") the search space can
already be reduced significantly when the verifier detects that
a previously walked path with same register and stack contents
terminated already (see verifier's states_equal()), so the search
can skip walking those states.
When working with larger programs of > ~2000 (out of max 4096)
insns, we found that the current limit of 32k instructions is easily
hit. For example, a case we ran into is that the search space cannot
be pruned due to branches at the beginning of the program that make
use of certain stack space slots (STACK_MISC), which are never used
in the remaining program (STACK_INVALID). Therefore, the verifier
needs to walk paths for the slots in STACK_INVALID state, but also
all remaining paths with a stack structure, where the slots are in
STACK_MISC, which can nearly double the search space needed. After
various experiments, we find that a limit of 64k processed insns is
a more reasonable choice when dealing with larger programs in practice.
This still allows to reject extreme crafted cases that can have a
much higher complexity (f.e. > ~300k) within the 4096 insns limit
due to search pruning not being able to take effect.
Furthermore, we found that a lot of states can be pruned after a
call instruction, f.e. we were able to reduce the search state by
~35% in some cases with this heuristic, trade-off is to keep a bit
more states in env->explored_states. Usually, call instructions
have a number of preceding register assignments and/or stack stores,
where search pruning has a better chance to suceed in states_equal()
test. The current code marks the branch targets with STATE_LIST_MARK
in case of conditional jumps, and the next (t + 1) instruction in
case of unconditional jump so that f.e. a backjump will walk it. We
also did experiments with using t + insns[t].off + 1 as a marker in
the unconditionally jump case instead of t + 1 with the rationale
that these two branches of execution that converge after the label
might have more potential of pruning. We found that it was a bit
better, but not necessarily significantly better than the current
state, perhaps also due to clang not generating back jumps often.
Hence, we left that as is for now.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
After commit f84bb1eac0 ("net: fix IFF_NO_QUEUE for drivers using
alloc_netdev"), default qdisc was changed to noqueue because
tuntap does not set tx_queue_len during .setup(). This patch restores
default qdisc by setting tx_queue_len in tun_setup().
Fixes: f84bb1eac0 ("net: fix IFF_NO_QUEUE for drivers using alloc_netdev")
Cc: Phil Sutter <phil@nwl.cc>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
* pm-core:
PM / wakeirq: fix wakeirq setting after wakup re-configuration from sysfs
PM / runtime: Document steps for device removal
* powercap:
powercap: intel_rapl: Add missing Haswell model
* pm-tools:
tools/power turbostat: work around RC6 counter wrap
tools/power turbostat: initial KBL support
tools/power turbostat: initial SKX support
tools/power turbostat: decode BXT TSC frequency via CPUID
tools/power turbostat: initial BXT support
tools/power turbostat: print IRTL MSRs
tools/power turbostat: SGX state should print only if --debug
* pm-cpufreq:
cpufreq: dt: Drop stale comment
cpufreq: intel_pstate: Documenation for structures
cpufreq: intel_pstate: fix inconsistency in setting policy limits
intel_pstate: Avoid extra invocation of intel_pstate_sample()
intel_pstate: Do not set utilization update hook too early
* pm-cpuidle:
intel_idle: Add KBL support
intel_idle: Add SKX support
intel_idle: Clean up all registered devices on exit.
intel_idle: Propagate hot plug errors.
intel_idle: Don't overreact to a cpuidle registration failure.
intel_idle: Setup the timer broadcast only on successful driver load.
intel_idle: Avoid a double free of the per-CPU data.
intel_idle: Fix dangling registration on error path.
intel_idle: Fix deallocation order on the driver exit path.
intel_idle: Remove redundant initialization calls.
intel_idle: Fix a helper function's return value.
intel_idle: remove useless return from void function.
* acpi-cppc:
mailbox: pcc: Don't access an unmapped memory address space
Ptr to devlink structure can be easily obtained from
devlink_port->devlink. So share user_ptr[0] pointer for both and leave
user_ptr[1] free for other users.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko says:
====================
mlxsw: small driver update + one tiny devlink dependency
Cosmetics, in preparation to sharedbuffer patchset.
First patch is here to allow patch number two.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix copy&paste error and state the name of SBPM register correctly.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Same field, same values, so share the same enum.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Instead of that, pass mlxsw_core and use a helper to get driver priv
from driver code. Looks much cleaner that way.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David Howells