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When set MTU to the minimum value 68, there are increasing number
of error packets occur, which is caused by the overflowed value of
mss. This patch fix the bug.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If mtu for debug port is set more than 1500, it may cause that packets
are dropped by ppe. So maximum value for debug port should be 1500.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In chip V1, the maximum mtu value is 9600. But in chip V2, it is 9728.
And it is always configurates as 9600 before this patch.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If trying to get receive flow hash indirection table by ethtool, it needs
to call .get_rxnfc to get ring number first. So this patch implements the
.get_rxnfc of ethtool. And the data type of rss_indir_table is u32, it has
to be multiply by the width of data type when using memcpy.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Both .get_rxfh and .set_rxfh are always return 0, it should return result
from hardware when getting or setting rss. And the rss function should
return the correct data type.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the user manual of HNS V2 describs, XGE_DFX_CTRL_CFG.xge_dfx_ctrl_cfg
should be configed as zero if we want xge statistic reg to be read only.
But HNS V1 gets the other meanings. It needs to be identified the process
and then config it rightly.
Signed-off-by: Qianqian Xie <xieqianqian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When sending a pause frame out from GMACs, the packets' source MAC address
does not match the GMACs' MAC address. It causes by the condition before
the mac address setting routine for GMACs, the mac address cannot be set
into loacal mac table for service ports. It obviously the condition needs
to be deleted.
Signed-off-by: Sheng Li <lisheng011@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Debug ports receives lots of packets with dest mac addr does not match
local mac addr, because the filter is close, and it does not drop the
useless packets. This patch adds ON/OFF switch of filtering the packets
whose dest mac addr do not match the local addr in mac table. And the
switch is ON in initialization.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In chip V2, the default value of port id in tx BD is Zero. If it is not
configurated to the other value, all management packets will be sent out
from port0. So port_id in the tx BD needs to be updated when sending a
management packet.
In V2 chip, when sending mamagement packets, the driver should
config the port id to BD descs.
Signed-off-by: Sheng Li <lisheng011@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current upstreaming code fails to ping other IPv6 net device, because
the enet receives the multicast packets with the src mac addr which is the
same as its mac addr. These packets need to be dropped.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct in6_addr isn't used anymore in inet6_connection_sock.h, removing
the forward declaration.
Fixes: 1b33bc3e9e90 ("ipv6: remove obsolete inet6 functions")
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
By returning -ENOIOCTLCMD, sock_do_ioctl() falls back to calling
dev_ioctl(), which provides support for NIC driver ioctls, which
includes ethtool support. This is similar to the way ioctls are handled
in udp.c or tcp.c.
This removes the requirement that ethtool for example be tied to the
support of a specific L3 protocol (ethtool uses an AF_INET socket
today).
Signed-off-by: David Decotigny <decot@googlers.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Updates: commit 793cf87de9d1 ("ethtool: Set cmd field in
ETHTOOL_GLINKSETTINGS response to wrong nwords")
Signed-off-by: David Decotigny <decot@googlers.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The millisecond timestamps returned by the function is
converted to network byte order by making a call to htons().
htons() only returns __be16 while __be32 is required here.
This was identified by the sparse warning from the buildbot:
net/ipv4/af_inet.c:1405:16: sparse: incorrect type in return
expression (different base types)
net/ipv4/af_inet.c:1405:16: expected restricted __be32
net/ipv4/af_inet.c:1405:16: got restricted __be16 [usertype] <noident>
Change the function to use htonl() to return the correct __be32 type
instead so that the millisecond value doesn't get truncated.
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: James Morris <jmorris@namei.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Fixes: 822c868532ca ("net: ipv4: Convert IP network timestamps to be y2038 safe")
Reported-by: Fengguang Wu <fengguang.wu@intel.com> [0-day test robot]
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 911362c70d ("net: add dst_cache support") added a new
kconfig option that gets selected by other networking options.
It seems the intent wasn't to offer this as a user-selectable
option given the lack of help text, so this patch converts it
to a silent option.
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
.//include/linux/netdevice.h:1826: warning: No description found for parameter 'ptype_all'
.//include/linux/netdevice.h:1826: warning: No description found for parameter 'ptype_specific'
Introduced by commit 7866a621043f ("dev: add per net_device packet type
chains")
Cc: Salam Noureddine <noureddine@arista.com>
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The flags IFF_XMIT_DST_RELEASE_PERM, IFF_IPVLAN_MASTER and
IFF_IPVLAN_SLAVE are missing descriptions for the Documentation. Adding
them.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Suggested-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit d67ef35fff67 ("clarify documentation for
net.ipv4.igmp_max_memberships") mistakenly indented a block of
documentation such that it now looks like it belongs to a specific sysctl.
Restore that block's original position.
Cc: Jeremy Eder <jeder@redhat.com>
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet says:
====================
net: propagate max_gso_segs and max_gso_size
bridge code does not properly update max_gso_segs and max_gso_size.
Since this was not really obvious, first patch adds two new rtnetlink
attributes to help debugging this kind of issues (ip -d link)
Second patch fixes bridge code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
It can be useful to lower max_gso_segs on NIC with very low
number of TX descriptors like bcmgenet.
However, this is defeated by bridge since it does not propagate
the lower value of max_gso_segs and max_gso_size.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Petri Gynther <pgynther@google.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
It can be useful to report dev->gso_max_segs and dev->gso_max_size
so that "ip -d link" can display them to help debugging.
For the moment, these attributes are read-only.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Petri Gynther <pgynther@google.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
vxlan_remcsum is called after iptunnel_pull_header and thus the skb has
vxlan header already pulled. Don't include vxlan header again in the
calculation.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sparse reports false positives for the header manipulation inlines. Annotate
them correctly.
Tested by sparse on a little endian and big endian machine.
Fixes: 54bfd872bf16d ("vxlan: keep flags and vni in network byte order")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the function dev_get_phys_port_name was added it missed a description
for it's len argument. Adding it.
Fixes: db24a9044ee1 ("net: add support for phys_port_name")
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We could end up dereferencing an error pointer when we call
regulator_disable().
Fixes: 4bdcb1dd9feb ('net: Add MDIO bus driver for the Allwinner EMAC')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The change to use the generic DMA engine API in the smc911x
driver has led to a harmless warning about unused local variables:
smsc/smc911x.c: In function 'smc911x_probe':
smsc/smc911x.c:1796:20: error: unused variable 'param'
smsc/smc911x.c:1795:17: error: unused variable 'mask'
smsc/smc911x.c:1794:26: error: unused variable 'config'
This puts the variable declarations inside of the same #ifdef
that protects their use.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 79d3b59a93ba ("net: smc911x: convert pxa dma to dmaengine")
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit a59f8c5b048dc938fb958c91c282c865cd845705.
There are several bugs in this new code, for example:
1) Uses sleeping locks in get_stats64, which is not allowed,
as the operation can be invoked in an atomic context.
2) Uses PM fields without CONFIG_PM or similar guards.
3) Does not synchronize HW stats when the device runtime
suspends.
Therefore this is being reverted until a correct version
is implemented.
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 22e0f8b9322c ("net: sched: make bstats per cpu and estimator RCU safe")
added the argument cpu_bstats to functions gen_new_estimator and
gen_replace_estimator and now the descriptions of these are missing for the
documentation. Adding them.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Function gnet_stats_copy_basic is missing the description of the cpu
argument in the documentation. Adding it.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
'struct timeval' uses 32-bit representation for seconds which will
overflow in year 2038 and beyond. mISDN/clock.c needs to compute and
store elapsed time in intervals of 125 microseconds. This patch replaces
the usage of 'struct timeval' with 64-bit ktime_t which is y2038 safe.
The patch also replaces do_gettimeofday() (wall-clock time) with
ktime_get() (monotonic time) since we only care about elapsed time here.
Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com>
Suggested-by: Arnd Bergmnann <arnd@arndb.de>
Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesse Gross says:
====================
Tunneling fixes
This series fixes a problem that was reported where encapsulated packets
do not have their encapsulation offload markers stripped off when being
decapsulated. This causes a significant performance drop if the packets
are later retransmitted.
Fixing this revealed two other bugs which are also addressed as prerequisites:
* GRO can aggregate packets for multiple layers of encapsulation which the
stack cannot properly handle.
* IPIP packets which are combined by GRO are not marked properly with their
GSO type.
Note that this is based off the net-next tree as the current target for
bug fixes.
v2: No code changes, just additional information in commit messages and
a new cover letter.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If a packet is either locally encapsulated or processed through GRO
it is marked with the offloads that it requires. However, when it is
decapsulated these tunnel offload indications are not removed. This
means that if we receive an encapsulated TCP packet, aggregate it with
GRO, decapsulate, and retransmit the resulting frame on a NIC that does
not support encapsulation, we won't be able to take advantage of hardware
offloads even though it is just a simple TCP packet at this point.
This fixes the problem by stripping off encapsulation offload indications
when packets are decapsulated.
The performance impacts of this bug are significant. In a test where a
Geneve encapsulated TCP stream is sent to a hypervisor, GRO'ed, decapsulated,
and bridged to a VM performance is improved by 60% (5Gbps->8Gbps) as a
result of avoiding unnecessary segmentation at the VM tap interface.
Reported-by: Ramu Ramamurthy <sramamur@linux.vnet.ibm.com>
Fixes: 68c33163 ("v4 GRE: Add TCP segmentation offload for GRE")
Signed-off-by: Jesse Gross <jesse@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When drivers express support for TSO of encapsulated packets, they
only mean that they can do it for one layer of encapsulation.
Supporting additional levels would mean updating, at a minimum,
more IP length fields and they are unaware of this.
No encapsulation device expresses support for handling offloaded
encapsulated packets, so we won't generate these types of frames
in the transmit path. However, GRO doesn't have a check for
multiple levels of encapsulation and will attempt to build them.
UDP tunnel GRO actually does prevent this situation but it only
handles multiple UDP tunnels stacked on top of each other. This
generalizes that solution to prevent any kind of tunnel stacking
that would cause problems.
Fixes: bf5a755f ("net-gre-gro: Add GRE support to the GRO stack")
Signed-off-by: Jesse Gross <jesse@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
ipip encapsulated packets can be merged together by GRO but the result
does not have the proper GSO type set or even marked as being
encapsulated at all. Later retransmission of these packets will likely
fail if the device does not support ipip offloads. This is similar to
the issue resolved in IPv6 sit in feec0cb3
("ipv6: gro: support sit protocol").
Reported-by: Patrick Boutilier <boutilpj@ednet.ns.ca>
Fixes: 9667e9bb ("ipip: Add gro callbacks to ipip offload")
Tested-by: Patrick Boutilier <boutilpj@ednet.ns.ca>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jesse Gross <jesse@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the user supply a different fragmentation point or if there is a
network header that cause it to not be aligned, force it to be aligned.
Fragmentation point at a value that is not aligned is not optimal. It
causes extra padding to be used and has just no pros.
v2:
- Make use of the new WORD_TRUNC macro
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SCTP is a protocol that is aligned to a word (4 bytes). Thus using bare
MTU can sometimes return values that are not aligned, like for loopback,
which is 65536 but ipv4_mtu() limits that to 65535. This mis-alignment
will cause the last non-aligned bytes to never be used and can cause
issues with congestion control.
So it's better to just consider a lower MTU and keep congestion control
calcs saner as they are based on PMTU.
Same applies to icmp frag needed messages, which is also fixed by this
patch.
One other effect of this is the inability to send MTU-sized packet
without queueing or fragmentation and without hitting Nagle. As the
check performed at sctp_packet_can_append_data():
if (chunk->skb->len + q->out_qlen >= transport->pathmtu - packet->overhead)
/* Enough data queued to fill a packet */
return SCTP_XMIT_OK;
with the above example of MTU, if there are no other messages queued,
one cannot send a packet that just fits one packet (65532 bytes) and
without causing DATA chunk fragmentation or a delay.
v2:
- Added WORD_TRUNC macro
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, if a chunk is scheduled to be sent through a transport that
is currently unconfirmed, it will be leaked as it is dequeued from outq
and is not re-queued nor freed.
As I'm not aware of any situation that may lead to this situation, I'm
fixing this by freeing the chunk and also logging a trace so that we can
fix the other bug if it ever happens.
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SACK can be lost pretty much elsewhere, but if its allocation fail,
we know we are not sending it, so it is better to revert a_rwnd to its
previous value as this may give it a chance to issue a window update
later.
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
TCP protocol is still used these days, and TCP uses
clones in its transmit path. We can not optimize linux
stack assuming it is mostly used in routers, or that TCP
is dead.
Fixes: 795bb1c00d ("net: bulk free infrastructure for NAPI context, use napi_consume_skb")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
zero_gid is not used, so remove this redundant array.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann says:
====================
flowi6_tos fixes
This set is a follow-up to address Jiri's recent feedback [1] on
the flowi6_tos issue, that it is not used for IPv6 route lookups.
The three patches fix all current users of flowi6_tos and remove
the define to avoid any future confusion on this. Tested the vxlan
and geneve ones with IPv6 routing rules. For details, please see
individual patches.
[ As fixes are currently applied against net-next tree, I've rebased
it against that. ]
Thanks!
[1] http://patchwork.ozlabs.org/patch/592055/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
flowi6_tos of struct flowi6 is unused in IPv6, therefore dumping tos on
that tracepoint will also give incorrect information wrt traffic class.
If we want to fix it, we need to extract it via ip6_tclass(flp->flowlabel).
While for the same test case I get a count of 0 non-zero tos values before
the change, they now start to show up after the change:
# ./perf record -e fib6:fib6_table_lookup -a sleep 10
# ./perf script | grep -v "tos 0" | wc -l
60
Since there's no user in the kernel tree anymore of flowi6_tos, remove the
define to avoid any future confusion on this.
Fixes: b811580d91e9 ("net: IPv6 fib lookup tracepoint")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The struct flowi6's flowi6_tos is not used in IPv6 route lookup, the
traffic class information is handled in the flowi6's flowlabel member
instead. For example, for policy routing, fib6_rule_match() uses
ip6_tclass() that is applied on the flowlabel for matching on tclass,
which would currently not work as expected.
Fixes: 3a56f86f1be6 ("geneve: handle ipv6 priority like ipv4 tos")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri mentioned that flowi6_tos of struct flowi6 is never used/read
anywhere. In fact, rest of the kernel uses the flowi6's flowlabel,
where the traffic class _and_ the flowlabel (aka flowinfo) is encoded.
For example, for policy routing, fib6_rule_match() uses ip6_tclass()
that is applied on the flowlabel member for matching on tclass. Similar
fix is needed for geneve, where flowi6_tos is set as well. Installing
a v6 blackhole rule that f.e. matches on tos is now working with vxlan.
Fixes: 1400615d64cf ("vxlan: allow setting ipv6 traffic class")
Reported-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull ARM updates from Russell King:
"Another mixture of changes this time around:
- Split XIP linker file from main linker file to make it more
maintainable, and various XIP fixes, and clean up a resulting
macro.
- Decompressor cleanups from Masahiro Yamada
- Avoid printing an error for a missing L2 cache
- Remove some duplicated symbols in System.map, and move
vectors/stubs back into kernel VMA
- Various low priority fixes from Arnd
- Updates to allow bus match functions to return negative errno
values, touching some drivers and the driver core. Greg has acked
these changes.
- Virtualisation platform udpates form Jean-Philippe Brucker.
- Security enhancements from Kees Cook
- Rework some Kconfig dependencies and move PSCI idle management code
out of arch/arm into drivers/firmware/psci.c
- ARM DMA mapping updates, touching media, acked by Mauro.
- Fix places in ARM code which should be using virt_to_idmap() so
that Keystone2 can work.
- Fix Marvell Tauros2 to work again with non-DT boots.
- Provide a delay timer for ARM Orion platforms"
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (45 commits)
ARM: 8546/1: dma-mapping: refactor to fix coherent+cma+gfp=0
ARM: 8547/1: dma-mapping: store buffer information
ARM: 8543/1: decompressor: rename suffix_y to compress-y
ARM: 8542/1: decompressor: merge piggy.*.S and simplify Makefile
ARM: 8541/1: decompressor: drop redundant FORCE in Makefile
ARM: 8540/1: decompressor: use clean-files instead of extra-y to clean files
ARM: 8539/1: decompressor: drop more unneeded assignments to "targets"
ARM: 8538/1: decompressor: drop unneeded assignments to "targets"
ARM: 8532/1: uncompress: mark putc as inline
ARM: 8531/1: turn init_new_context into an inline function
ARM: 8530/1: remove VIRT_TO_BUS
ARM: 8537/1: drop unused DEBUG_RODATA from XIP_KERNEL
ARM: 8536/1: mm: hide __start_rodata_section_aligned for non-debug builds
ARM: 8535/1: mm: DEBUG_RODATA makes no sense with XIP_KERNEL
ARM: 8534/1: virt: fix hyp-stub build for pre-ARMv7 CPUs
ARM: make the physical-relative calculation more obvious
ARM: 8512/1: proc-v7.S: Adjust stack address when XIP_KERNEL
ARM: 8411/1: Add default SPARSEMEM settings
ARM: 8503/1: clk_register_clkdev: remove format string interface
ARM: 8529/1: remove 'i' and 'zi' targets
...
crash that likely affects all sh models with MMU, and introduction of
a framework for boards described by device tree, which sets the stage
for future J2 support.
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Merge tag 'tag-sh-for-4.6' of git://git.libc.org/linux-sh
Pull arch/sh updates from Rich Felker:
"This includes minor cleanups, a fix for a crash that likely affects
all sh models with MMU, and introduction of a framework for boards
described by device tree, which sets the stage for future J2 support"
* tag 'tag-sh-for-4.6' of git://git.libc.org/linux-sh:
sched/preempt, sh: kmap_coherent relies on disabled preemption
sh: add SMP method selection to device tree pseudo-board
sh: add device tree support and generic board using device tree
sh: remove arch-specific localtimer and use generic one
sh: make MMU-specific SMP code conditional on CONFIG_MMU
sh: provide unified syscall trap compatible with all SH models
sh: New gcc support
sh: Disable trace for kernel uncompressing.
sh: Use generic clkdev.h header
Highlights:
- Restructure Linux PTE on Book3S/64 to Radix format from Paul Mackerras
- Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh Kumar K.V
- Add POWER9 cputable entry from Michael Neuling
- FPU/Altivec/VSX save/restore optimisations from Cyril Bur
- Add support for new ftrace ABI on ppc64le from Torsten Duwe
Various cleanups & minor fixes from:
- Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy, Cyril
Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell Currey,
Sukadev Bhattiprolu, Suraj Jitindar Singh.
General:
- atomics: Allow architectures to define their own __atomic_op_* helpers from
Boqun Feng
- Implement atomic{, 64}_*_return_* variants and acquire/release/relaxed
variants for (cmp)xchg from Boqun Feng
- Add powernv_defconfig from Jeremy Kerr
- Fix BUG_ON() reporting in real mode from Balbir Singh
- Add xmon command to dump OPAL msglog from Andrew Donnellan
- Add xmon command to dump process/task similar to ps(1) from Douglas Miller
- Clean up memory hotplug failure paths from David Gibson
pci/eeh:
- Redesign SR-IOV on PowerNV to give absolute isolation between VFs from Wei
Yang.
- EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
- PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
- PCI: Add pcibios_bus_add_device() weak function from Wei Yang
- MAINTAINERS: Update EEH details and maintainership from Russell Currey
cxl:
- Support added to the CXL driver for running on both bare-metal and
hypervisor systems, from Christophe Lombard and Frederic Barrat.
- Ignore probes for virtual afu pci devices from Vaibhav Jain
perf:
- Export Power8 generic and cache events to sysfs from Sukadev Bhattiprolu
- hv-24x7: Fix usage with chip events, display change in counter values,
display domain indices in sysfs, eliminate domain suffix in event names,
from Sukadev Bhattiprolu
Freescale:
- Updates from Scott: "Highlights include 8xx optimizations, 32-bit checksum
optimizations, 86xx consolidation, e5500/e6500 cpu hotplug, more fman and
other dt bits, and minor fixes/cleanup."
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Merge tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"This was delayed a day or two by some build-breakage on old toolchains
which we've now fixed.
There's two PCI commits both acked by Bjorn.
There's one commit to mm/hugepage.c which is (co)authored by Kirill.
Highlights:
- Restructure Linux PTE on Book3S/64 to Radix format from Paul
Mackerras
- Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh
Kumar K.V
- Add POWER9 cputable entry from Michael Neuling
- FPU/Altivec/VSX save/restore optimisations from Cyril Bur
- Add support for new ftrace ABI on ppc64le from Torsten Duwe
Various cleanups & minor fixes from:
- Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy,
Cyril Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell
Currey, Sukadev Bhattiprolu, Suraj Jitindar Singh.
General:
- atomics: Allow architectures to define their own __atomic_op_*
helpers from Boqun Feng
- Implement atomic{, 64}_*_return_* variants and acquire/release/
relaxed variants for (cmp)xchg from Boqun Feng
- Add powernv_defconfig from Jeremy Kerr
- Fix BUG_ON() reporting in real mode from Balbir Singh
- Add xmon command to dump OPAL msglog from Andrew Donnellan
- Add xmon command to dump process/task similar to ps(1) from Douglas
Miller
- Clean up memory hotplug failure paths from David Gibson
pci/eeh:
- Redesign SR-IOV on PowerNV to give absolute isolation between VFs
from Wei Yang.
- EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
- PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
- PCI: Add pcibios_bus_add_device() weak function from Wei Yang
- MAINTAINERS: Update EEH details and maintainership from Russell
Currey
cxl:
- Support added to the CXL driver for running on both bare-metal and
hypervisor systems, from Christophe Lombard and Frederic Barrat.
- Ignore probes for virtual afu pci devices from Vaibhav Jain
perf:
- Export Power8 generic and cache events to sysfs from Sukadev
Bhattiprolu
- hv-24x7: Fix usage with chip events, display change in counter
values, display domain indices in sysfs, eliminate domain suffix in
event names, from Sukadev Bhattiprolu
Freescale:
- Updates from Scott: "Highlights include 8xx optimizations, 32-bit
checksum optimizations, 86xx consolidation, e5500/e6500 cpu
hotplug, more fman and other dt bits, and minor fixes/cleanup"
* tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
powerpc: Fix unrecoverable SLB miss during restore_math()
powerpc/8xx: Fix do_mtspr_cpu6() build on older compilers
powerpc/rcpm: Fix build break when SMP=n
powerpc/book3e-64: Use hardcoded mttmr opcode
powerpc/fsl/dts: Add "jedec,spi-nor" flash compatible
powerpc/T104xRDB: add tdm riser card node to device tree
powerpc32: PAGE_EXEC required for inittext
powerpc/mpc85xx: Add pcsphy nodes to FManV3 device tree
powerpc/mpc85xx: Add MDIO bus muxing support to the board device tree(s)
powerpc/86xx: Introduce and use common dtsi
powerpc/86xx: Update device tree
powerpc/86xx: Move dts files to fsl directory
powerpc/86xx: Switch to kconfig fragments approach
powerpc/86xx: Update defconfigs
powerpc/86xx: Consolidate common platform code
powerpc32: Remove one insn in mulhdu
powerpc32: small optimisation in flush_icache_range()
powerpc: Simplify test in __dma_sync()
powerpc32: move xxxxx_dcache_range() functions inline
powerpc32: Remove clear_pages() and define clear_page() inline
...
- New tool dtx_diff to diff DT files.
- Sync kernel's dtc/libfdt to current dtc repo master.
- Fix for reserved memory regions located in highmem.
- Document standard unit suffixes for DT properties.
- Various DT binding doc updates.
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Merge tag 'devicetree-for-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
- new tool 'dtx_diff' to diff DT files
- sync kernel's dtc/libfdt to current dtc repo master
- fix for reserved memory regions located in highmem
- document standard unit suffixes for DT properties
- various DT binding doc updates
* tag 'devicetree-for-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: Add vendor prefix for eGalax_eMPIA Technology Inc
Input: ads7846: Add description how to use internal reference (ADS7846)
ARM: realview: add EB syscon variants to bindings
devicetree: bindings: ARM: Use "uV" for micro-volt
serial: fsl-imx-uart: Fix typo in fsl,dte-mode description
of: add 'const' for of_property_*_string*() parameter '*np'
of/unittest: fix infinite loop in of_unittest_destroy_tracked_overlays()
of: alloc anywhere from memblock if range not specified
kbuild: Allow using host dtc instead of kernel's copy
of: resolver: Add missing of_node_get and of_node_put
of: Add United Radiant Technology Corporation vendor prefix
dt/bindings: add documentation on standard property unit suffixes
scripts/dtc: Update to upstream commit b06e55c88b9b
ARM: boot: Add an implementation of strnlen for libfdt
scripts/dtc: dtx_diff - add info to error message
dtc: create tool to diff device trees
