When testing another issue I faced the problem that
mv88e6xxx_port_setup_mac() failed due to DUPLEX_UNKNOWN being passed
as argument to mv88e6xxx_port_set_duplex(). We should handle this case
gracefully and return -EOPNOTSUPP, like e.g. mv88e6xxx_port_set_speed()
is doing it.
Fixes: 7f1ae07b51 ("net: dsa: mv88e6xxx: add port duplex setter")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add __user attributes in some of the casts in this function to avoid
the following sparse warnings:
net/compat.c:592:57: warning: cast removes address space of expression
net/compat.c:592:57: warning: incorrect type in initializer (different address spaces)
net/compat.c:592:57: expected struct compat_group_req [noderef] <asn:1>*gr32
net/compat.c:592:57: got void *<noident>
net/compat.c:613:65: warning: cast removes address space of expression
net/compat.c:613:65: warning: incorrect type in initializer (different address spaces)
net/compat.c:613:65: expected struct compat_group_source_req [noderef] <asn:1>*gsr32
net/compat.c:613:65: got void *<noident>
net/compat.c:634:60: warning: cast removes address space of expression
net/compat.c:634:60: warning: incorrect type in initializer (different address spaces)
net/compat.c:634:60: expected struct compat_group_filter [noderef] <asn:1>*gf32
net/compat.c:634:60: got void *<noident>
net/compat.c:672:52: warning: cast removes address space of expression
net/compat.c:672:52: warning: incorrect type in initializer (different address spaces)
net/compat.c:672:52: expected struct compat_group_filter [noderef] <asn:1>*gf32
net/compat.c:672:52: got void *<noident>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
We were skipping the prepare phase which causes some problems with at
least a couple of drivers:
- mv88e6xxx chooses to skip programming VID = 0 with -EOPNOTSUPP in
the prepare phase, but we would still try to force this VID since we
would only call the commit phase and so we would get the driver to
return -EINVAL instead
- qca8k does not currently have a port_vlan_add() callback implemented,
yet we would try to call that unconditionally leading to a NPD
Fix both issues by conforming to the current model doing a
prepare/commit phase, this makes us consistent throughout the code and
assumptions.
Reported-by: Heiner Kallweit <hkallweit1@gmail.com>
Reported-by: Michal Vokáč <michal.vokac@ysoft.com>
Fixes: 061f6a505a ("net: dsa: Add ndo_vlan_rx_{add, kill}_vid implementation")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ioana Ciornei says:
====================
dpaa2-eth: add XDP_REDIRECT support
The first patch adds different software annotation types for Tx frames
depending on frame type while the second one actually adds support for basic
XDP_REDIRECT.
Changes in v2:
- add missing xdp_do_flush_map() call
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement support for the XDP_REDIRECT action.
The redirected frame is transmitted and confirmed on the regular Tx/Tx
conf queues. Frame is marked with the "XDP" type in the software
annotation, since it requires special treatment.
We don't have good hardware support for TX batching, so the
XDP_XMIT_FLUSH flag doesn't make a difference for now; ndo_xdp_xmit
performs the actual Tx operation on the spot.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We write different metadata information in the software annotation
area of Tx frames, depending on frame type. Make this more explicit
by introducing a type field and separate structures for single buffer
and scatter-gather frames.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Toke Høiland-Jørgensen says:
====================
sched: Patches from out-of-tree version of sch_cake
This series includes a couple of patches with updates from the out-of-tree
version of sch_cake. The first one is a fix to the fairness scheduling when
dual-mode fairness is enabled. The second patch is an additional feature flag
that allows using fwmark as a tin selector, as a convenience for people who want
to customise tin selection. The third patch is just a cleanup to the tin
selection logic.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
With more modes added the logic in cake_select_tin() was getting a bit
hairy, and it turns out we can actually simplify it quite a bit. This also
allows us to get rid of one of the two diffserv parsing functions, which
has the added benefit that already-zeroed DSCP fields won't get re-written.
Suggested-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add flag 'FWMARK' to enable use of firewall connmarks as tin selector.
The connmark (skbuff->mark) needs to be in the range 1->tin_cnt ie.
for diffserv3 the mark needs to be 1->3.
Background
Typically CAKE uses DSCP as the basis for tin selection. DSCP values
are relatively easily changed as part of the egress path, usually with
iptables & the mangle table, ingress is more challenging. CAKE is often
used on the WAN interface of a residential gateway where passthrough of
DSCP from the ISP is either missing or set to unhelpful values thus use
of ingress DSCP values for tin selection isn't helpful in that
environment.
An approach to solving the ingress tin selection problem is to use
CAKE's understanding of tc filters. Naive tc filters could match on
source/destination port numbers and force tin selection that way, but
multiple filters don't scale particularly well as each filter must be
traversed whether it matches or not. e.g. a simple example to map 3
firewall marks to tins:
MAJOR=$( tc qdisc show dev $DEV | head -1 | awk '{print $3}' )
tc filter add dev $DEV parent $MAJOR protocol all handle 0x01 fw action skbedit priority ${MAJOR}1
tc filter add dev $DEV parent $MAJOR protocol all handle 0x02 fw action skbedit priority ${MAJOR}2
tc filter add dev $DEV parent $MAJOR protocol all handle 0x03 fw action skbedit priority ${MAJOR}3
Another option is to use eBPF cls_act with tc filters e.g.
MAJOR=$( tc qdisc show dev $DEV | head -1 | awk '{print $3}' )
tc filter add dev $DEV parent $MAJOR bpf da obj my-bpf-fwmark-to-class.o
This has the disadvantages of a) needing someone to write & maintain
the bpf program, b) a bpf toolchain to compile it and c) needing to
hardcode the major number in the bpf program so it matches the cake
instance (or forcing the cake instance to a particular major number)
since the major number cannot be passed to the bpf program via tc
command line.
As already hinted at by the previous examples, it would be helpful
to associate tins with something that survives the Internet path and
ideally allows tin selection on both egress and ingress. Netfilter's
conntrack permits setting an identifying mark on a connection which
can also be restored to an ingress packet with tc action connmark e.g.
tc filter add dev eth0 parent ffff: protocol all prio 10 u32 \
match u32 0 0 flowid 1:1 action connmark action mirred egress redirect dev ifb1
Since tc's connmark action has restored any connmark into skb->mark,
any of the previous solutions are based upon it and in one form or
another copy that mark to the skb->priority field where again CAKE
picks this up.
This change cuts out at least one of the (less intuitive &
non-scalable) middlemen and permit direct access to skb->mark.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
CAKE host fairness does not work well with TCP flows in dual-srchost and
dual-dsthost setup. The reason is that ACKs generated by TCP flows are
classified as sparse flows, and affect flow isolation from other hosts. Fix
this by calculating host_load based only on the bulk flows a host
generates. In a hash collision the host_bulk_flow_count values must be
decremented on the old hosts and incremented on the new ones *if* the queue
is in the bulk set.
Reported-by: Pete Heist <peteheist@gmail.com>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While the MSIOF variants in older SuperH and SH/R-Mobile SoCs support
bits-per-word values in the full range 8..32, the variants present in
R-Car Gen2 and Gen3 SoCs are restricted to 8, 16, 24, or 32.
Obtain the value from family-specific sh_msiof_chipdata to fix this.
Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Mark Brown <broonie@kernel.org>
These regulator_ops variables should never change, make them const.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The palmas_smps_ramp_delay array should never modify, make it const.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>;
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use regulator_set/get_current_limit_regmap helpers to save some code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
By setting curr_table, n_current_limits, csel_reg and csel_mask, the
regmap users can use regulator_set_current_limit_regmap and
regulator_get_current_limit_regmap for set/get_current_limit callbacks.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The csel_reg and csel_mask fields in struct regulator_desc needs to
be generic for drivers. Not just for TPS65218.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Harini Katakam says:
====================
Macb power management support for ZynqMP
This series adds support for macb suspend/resume with system power down.
In relation to the above, this series also updates mdio_read/write
function for PM and adds tsu clock management.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When macb device is suspended and system is powered down, the clocks
are removed and hence macb should be closed gracefully and restored
upon resume. This patch does the same by switching off the net device,
suspending phy and performing necessary cleanup of interrupts and BDs.
Upon resume, all these are reinitialized again.
Reset of macb device is done only when GEM is not a wake device.
Even when gem is a wake device, tx queues can be stopped and ptp device
can be closed (tsu clock will be disabled in pm_runtime_suspend) as
wake event detection has no dependency on this.
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add runtime pm functions and move clock handling there.
Add runtime PM calls to mdio functions to allow for active mdio bus.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
TSU clock needs to be enabled/disabled as per support in devicetree
and it should also be controlled during suspend/resume (WOL has no
dependency on this clock).
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Replace the while loop in MDIO read/write functions with a timeout.
In addition, add a check for MDIO bus busy before initiating a new
operation as well to make sure there is no ongoing MDIO operation.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tristram Ha says:
====================
net: dsa: microchip: add KSZ9893 switch support
This series of patches is to modify the KSZ9477 DSA driver to support
running KSZ9893 switch.
The KSZ9893 switch is similar to KSZ9477 except the ingress tail tag has
1 byte instead of 2 bytes. The XMII register that governs the MAC
communication also has different register definitions.
v1
- Put KSZ9893 tagging in separate patch
- Remove other switch support
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add KSZ9893 switch support in KSZ9477 driver. This switch is similar to
KSZ9477 except the ingress tail tag has 1 byte instead of 2 bytes, so
KSZ9893 tagging will be used.
The XMII register that governs how the host port communicates with the
MAC also has different register definitions.
Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
KSZ9893 switch is similar to KSZ9477 switch except the ingress tail tag
has 1 byte instead of 2 bytes. The size of the portmap is smaller and
so the override and lookup bits are also moved.
Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Document additional Microchip KSZ9477 family switches.
Show how KSZ8565 switch should be configured as the host port is port 7
instead of port 5.
Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yue Haibing says:
====================
appletalk: small cleanup and bugfix
v2:
- Add cover letter log
This patch series mainly fix a use-after-free bug in atalk_proc_exit.
patch 1 use remove_proc_subtree helper to simplify atalk_proc fs code,
also some other cleanup.
patch 2 add proper error cleanup path in atalk_init to fix the issue, which
based on the patch 1 because of the change of atalk_proc_exit context.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Use remove_proc_subtree to remove the whole subtree
on cleanup.Also do some cleanup.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When Ocelot phy-mode is QSGMII, all 4 ports involved in
QSGMII shall be kept out of reset and
Tx lanes shall be enabled to pass the data.
Fixes: a556c76adc ("net: mscc: Add initial Ocelot switch support")
Signed-off-by: Kavya Sree Kotagiri <kavyasree.kotagiri@microchip.com>
Signed-off-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Co-developed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
One more set of simple ARM platform fixes:
- A boot regression on qualcomm msm8998
- Gemini display controllers got turned off by accident
- incorrect reference counting in optee
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"One more set of simple ARM platform fixes:
- A boot regression on qualcomm msm8998
- Gemini display controllers got turned off by accident
- incorrect reference counting in optee"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
tee: optee: add missing of_node_put after of_device_is_available
arm64: dts: qcom: msm8998: Extend TZ reserved memory area
ARM: dts: gemini: Re-enable display controller
In the series fc8b81a598 ("Merge branch 'lockless-qdisc-series'")
John made the assumption that the data path had no need to read
the qdisc qlen (number of packets in the qdisc).
It is true when pfifo_fast is used as the root qdisc, or as direct MQ/MQPRIO
children.
But pfifo_fast can be used as leaf in class full qdiscs, and existing
logic needs to access the child qlen in an efficient way.
HTB breaks badly, since it uses cl->leaf.q->q.qlen in :
htb_activate() -> WARN_ON()
htb_dequeue_tree() to decide if a class can be htb_deactivated
when it has no more packets.
HFSC, DRR, CBQ, QFQ have similar issues, and some calls to
qdisc_tree_reduce_backlog() also read q.qlen directly.
Using qdisc_qlen_sum() (which iterates over all possible cpus)
in the data path is a non starter.
It seems we have to put back qlen in a central location,
at least for stable kernels.
For all qdisc but pfifo_fast, qlen is guarded by the qdisc lock,
so the existing q.qlen{++|--} are correct.
For 'lockless' qdisc (pfifo_fast so far), we need to use atomic_{inc|dec}()
because the spinlock might be not held (for example from
pfifo_fast_enqueue() and pfifo_fast_dequeue())
This patch adds atomic_qlen (in the same location than qlen)
and renames the following helpers, since we want to express
they can be used without qdisc lock, and that qlen is no longer percpu.
- qdisc_qstats_cpu_qlen_dec -> qdisc_qstats_atomic_qlen_dec()
- qdisc_qstats_cpu_qlen_inc -> qdisc_qstats_atomic_qlen_inc()
Later (net-next) we might revert this patch by tracking all these
qlen uses and replace them by a more efficient method (not having
to access a precise qlen, but an empty/non_empty status that might
be less expensive to maintain/track).
Another possibility is to have a legacy pfifo_fast version that would
be used when used a a child qdisc, since the parent qdisc needs
a spinlock anyway. But then, future lockless qdiscs would also
have the same problem.
Fixes: 7e66016f2c ("net: sched: helpers to sum qlen and qlen for per cpu logic")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This series adds multipath offload support and contains some small updates
to mlx5 driver.
Multipath offload support from Roi Dayan:
We are going to track SW multipath route and related nexthops and reflect
that as port affinity to the HW.
1) Some patches are preparation.
2) add the multipath mode and fib events handling.
3) add support to handle offload failure for net error, i.e.
port down.
4) Small updates to match the behavior of multipath
Two small updates from Eran Ben Elisha,
5) Make a function static
6) Update PCIe supported devices list.
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Merge tag 'mlx5-updates-2019-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2019-03-01
This series adds multipath offload support and contains some small updates
to mlx5 driver.
Multipath offload support from Roi Dayan:
We are going to track SW multipath route and related nexthops and reflect
that as port affinity to the HW.
1) Some patches are preparation.
2) add the multipath mode and fib events handling.
3) add support to handle offload failure for net error, i.e.
port down.
4) Small updates to match the behavior of multipath
Two small updates from Eran Ben Elisha,
5) Make a function static
6) Update PCIe supported devices list.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
The following patchset contains Netfilter/IPVS updates for net-next:
1) Add .release_ops to properly unroll .select_ops, use it from nft_compat.
After this change, we can remove list of extensions too to simplify this
codebase.
2) Update amanda conntrack helper to support v3.4, from Florian Tham.
3) Get rid of the obsolete BUGPRINT macro in ebtables, from
Florian Westphal.
4) Merge IPv4 and IPv6 masquerading infrastructure into one single module.
From Florian Westphal.
5) Patchset to remove nf_nat_l3proto structure to get rid of
indirections, from Florian Westphal.
6) Skip unnecessary conntrack timeout updates in case the value is
still the same, also from Florian Westphal.
7) Remove unnecessary 'fall through' comments in empty switch cases,
from Li RongQing.
8) Fix lookup to fixed size hashtable sets on big endian with 32-bit keys.
9) Incorrect logic to deactivate path of fixed size hashtable sets,
element was being tested to self.
10) Remove nft_hash_key(), the bitmap set is always selected for 16-bit
keys.
11) Use boolean whenever possible in IPVS codebase, from Andrea Claudi.
12) Enter close state in conntrack if RST matches exact sequence number,
from Florian Westphal.
13) Initialize dst_cache in tunnel extension, from wenxu.
14) Pass protocol as u16 to xt_check_match and xt_check_target, from
Li RongQing.
15) SCTP header is granted to be in a linear area from IPVS NAT handler,
from Xin Long.
16) Don't steal packets coming from slave VRF device from the
ip_sabotage_in() path, from David Ahern.
17) Fix unsafe update of basechain stats, from Li RongQing.
18) Make sure CONNTRACK_LOCKS is power of 2 to let compiler optimize
modulo operation as bitwise AND, from Li RongQing.
19) Use device_attribute instead of internal definition in the IDLETIMER
target, from Sami Tolvanen.
20) Merge redir, masq and IPv4/IPv6 NAT chain types, from Florian Westphal.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Johan Hedberg says:
====================
pull request: bluetooth-next 2019-03-02
Here's one more bluetooth-next pull request for the 5.1 kernel:
- Added support for MediaTek MT7663U and MT7668U UART devices
- Cleanups & fixes to the hci_qca driver
- Fixed wakeup pin behavior for QCA6174A controller
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull x86 fixes from Thomas Gleixner:
"Two last minute fixes:
- Prevent value evaluation via functions happening in the user access
enabled region of __put_user() (put another way: make sure to
evaluate the value to be stored in user space _before_ enabling
user space accesses)
- Correct the definition of a Hyper-V hypercall constant"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/hyper-v: Fix definition of HV_MAX_FLUSH_REP_COUNT
x86/uaccess: Don't leak the AC flag into __put_user() value evaluation
Nine small fixes. The resume fix is a cosmetic removal of a warning
with an incorrect condition causing it to alarm people wrongly. The
other eight patches correct a thinko in Christoph Hellwig's DMA
conversion series. Without it all these drivers end up with 32 bit
DMA masks meaning they bounce any page over 4GB before sending it to
the controller. Nowadays, even laptops mostly have memory above 4GB,
so this can lead to significant performance degradation with all the
bouncing.
Signed-off-by: James E.J. Bottomley <jejb@linux.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:
"Nine small fixes.
The resume fix is a cosmetic removal of a warning with an incorrect
condition causing it to alarm people wrongly.
The other eight patches correct a thinko in Christoph Hellwig's DMA
conversion series. Without it all these drivers end up with 32 bit DMA
masks meaning they bounce any page over 4GB before sending it to the
controller.
Nowadays, even laptops mostly have memory above 4GB, so this can lead
to significant performance degradation with all the bouncing"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: core: Avoid that system resume triggers a kernel warning
scsi: hptiop: fix calls to dma_set_mask()
scsi: hisi_sas: fix calls to dma_set_mask_and_coherent()
scsi: csiostor: fix calls to dma_set_mask_and_coherent()
scsi: bfa: fix calls to dma_set_mask_and_coherent()
scsi: aic94xx: fix calls to dma_set_mask_and_coherent()
scsi: 3w-sas: fix calls to dma_set_mask_and_coherent()
scsi: 3w-9xxx: fix calls to dma_set_mask_and_coherent()
scsi: lpfc: fix calls to dma_set_mask_and_coherent()
Stanislav Fomichev says:
====================
Recently we had linux-next bpf/bpf-next conflict when we added new
functionality to the test_progs.c at the same location. Let's split
test_progs.c the same way we recently split test_verifier.c.
I follow the same patten we did in commit 2dfb40121e ("selftests: bpf:
prepare for break up of verifier tests") for verifier: create
scaffolding to support dedicated files and slowly move the tests into
separate files.
The first patch adds scaffolding, subsequent patches move progs into
separate files.
In theory, many of the standalone tests can be migrated to this new
framework as well. They get the benefit of common CHECK macro and
bpf_find_map function which a lot of standalone tests need to redefine.
v3 changes:
* respin on top of commit ebace0e981 ("selftests/bpf: use
__bpf_constant_htons in test_prog.c for flow dissector")
* put bpf_rlimit.h into test_progs.c instead of test_progs.h
v2 changes:
* added cover letter, added more description about file structure
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
