While testing the np->opt RCU conversion, I found that UDP/IPv6 was
using a mixture of xchg() and sk_dst_lock to protect concurrent changes
to sk->sk_dst_cache, leading to possible corruptions and crashes.
ip6_sk_dst_lookup_flow() uses sk_dst_check() anyway, so the simplest
way to fix the mess is to remove sk_dst_lock completely, as we did for
IPv4.
__ip6_dst_store() and ip6_dst_store() share same implementation.
sk_setup_caps() being called with socket lock being held or not,
we have to use sk_dst_set() instead of __sk_dst_set()
Note that I had to move the "np->dst_cookie = rt6_get_cookie(rt);"
in ip6_dst_store() before the sk_setup_caps(sk, dst) call.
This is because ip6_dst_store() can be called from process context,
without any lock held.
As soon as the dst is installed in sk->sk_dst_cache, dst can be freed
from another cpu doing a concurrent ip6_dst_store()
Doing the dst dereference before doing the install is needed to make
sure no use after free would trigger.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
They don't need to be any bigger than that and with this we start a new
bitfield for tracking association runtime stuff, like zero window
situation.
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch addresses multiple problems :
UDP/RAW sendmsg() need to get a stable struct ipv6_txoptions
while socket is not locked : Other threads can change np->opt
concurrently. Dmitry posted a syzkaller
(http://github.com/google/syzkaller) program desmonstrating
use-after-free.
Starting with TCP/DCCP lockless listeners, tcp_v6_syn_recv_sock()
and dccp_v6_request_recv_sock() also need to use RCU protection
to dereference np->opt once (before calling ipv6_dup_options())
This patch adds full RCU protection to np->opt
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dmitry provided a syzkaller (http://github.com/google/syzkaller)
triggering a fault in sock_wake_async() when async IO is requested.
Said program stressed af_unix sockets, but the issue is generic
and should be addressed in core networking stack.
The problem is that by the time sock_wake_async() is called,
we should not access the @flags field of 'struct socket',
as the inode containing this socket might be freed without
further notice, and without RCU grace period.
We already maintain an RCU protected structure, "struct socket_wq"
so moving SOCKWQ_ASYNC_NOSPACE & SOCKWQ_ASYNC_WAITDATA into it
is the safe route.
It also reduces number of cache lines needing dirtying, so might
provide a performance improvement anyway.
In followup patches, we might move remaining flags (SOCK_NOSPACE,
SOCK_PASSCRED, SOCK_PASSSEC) to save 8 bytes and let 'struct socket'
being mostly read and let it being shared between cpus.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is a cleanup to make following patch easier to
review.
Goal is to move SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA
from (struct socket)->flags to a (struct socket_wq)->flags
to benefit from RCU protection in sock_wake_async()
To ease backports, we rename both constants.
Two new helpers, sk_set_bit(int nr, struct sock *sk)
and sk_clear_bit(int net, struct sock *sk) are added so that
following patch can change their implementation.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit ab450605b3.
In IPv6, we cannot inherit the dst of the original dst. ndisc packets
are IPv6 packets and may take another route than the original packet.
This patch breaks the following scenario: a packet comes from eth0 and
is forwarded through vxlan1. The encapsulated packet triggers an NS
which cannot be sent because of the wrong route.
CC: Jiri Benc <jbenc@redhat.com>
CC: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 9c7077622d ("packet: make packet_snd fail on len smaller
than l2 header") added validation for the packet size in packet_snd.
This change enforces that every packet needs a header (with at least
hard_header_len bytes) plus a payload with at least one byte. Before
this change the payload was optional.
This fixes PPPoE connections which do not have a "Service" or
"Host-Uniq" configured (which is violating the spec, but is still
widely used in real-world setups). Those are currently failing with the
following message: "pppd: packet size is too short (24 <= 24)"
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, when having map file descriptors pointing to program arrays,
there's still the issue that we unconditionally flush program array
contents via bpf_fd_array_map_clear() in bpf_map_release(). This happens
when such a file descriptor is released and is independent of the map's
refcount.
Having this flush independent of the refcount is for a reason: there
can be arbitrary complex dependency chains among tail calls, also circular
ones (direct or indirect, nesting limit determined during runtime), and
we need to make sure that the map drops all references to eBPF programs
it holds, so that the map's refcount can eventually drop to zero and
initiate its freeing. Btw, a walk of the whole dependency graph would
not be possible for various reasons, one being complexity and another
one inconsistency, i.e. new programs can be added to parts of the graph
at any time, so there's no guaranteed consistent state for the time of
such a walk.
Now, the program array pinning itself works, but the issue is that each
derived file descriptor on close would nevertheless call unconditionally
into bpf_fd_array_map_clear(). Instead, keep track of users and postpone
this flush until the last reference to a user is dropped. As this only
concerns a subset of references (f.e. a prog array could hold a program
that itself has reference on the prog array holding it, etc), we need to
track them separately.
Short analysis on the refcounting: on map creation time usercnt will be
one, so there's no change in behaviour for bpf_map_release(), if unpinned.
If we already fail in map_create(), we are immediately freed, and no
file descriptor has been made public yet. In bpf_obj_pin_user(), we need
to probe for a possible map in bpf_fd_probe_obj() already with a usercnt
reference, so before we drop the reference on the fd with fdput().
Therefore, if actual pinning fails, we need to drop that reference again
in bpf_any_put(), otherwise we keep holding it. When last reference
drops on the inode, the bpf_any_put() in bpf_evict_inode() will take
care of dropping the usercnt again. In the bpf_obj_get_user() case, the
bpf_any_get() will grab a reference on the usercnt, still at a time when
we have the reference on the path. Should we later on fail to grab a new
file descriptor, bpf_any_put() will drop it, otherwise we hold it until
bpf_map_release() time.
Joint work with Alexei.
Fixes: b2197755b2 ("bpf: add support for persistent maps/progs")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
If a fragmented multicast packet is received on an ethernet device which
has an active macvlan on top of it, each fragment is duplicated and
received both on the underlying device and the macvlan. If some
fragments for macvlan are processed before the whole packet for the
underlying device is reassembled, the "overlapping fragments" test in
ip6_frag_queue() discards the whole fragment queue.
To resolve this, add device ifindex to the search key and require it to
match reassembling multicast packets and packets to link-local
addresses.
Note: similar patch has been already submitted by Yoshifuji Hideaki in
http://patchwork.ozlabs.org/patch/220979/
but got lost and forgotten for some reason.
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rainer Weikusat <rweikusat@mobileactivedefense.com> writes:
An AF_UNIX datagram socket being the client in an n:1 association with
some server socket is only allowed to send messages to the server if the
receive queue of this socket contains at most sk_max_ack_backlog
datagrams. This implies that prospective writers might be forced to go
to sleep despite none of the message presently enqueued on the server
receive queue were sent by them. In order to ensure that these will be
woken up once space becomes again available, the present unix_dgram_poll
routine does a second sock_poll_wait call with the peer_wait wait queue
of the server socket as queue argument (unix_dgram_recvmsg does a wake
up on this queue after a datagram was received). This is inherently
problematic because the server socket is only guaranteed to remain alive
for as long as the client still holds a reference to it. In case the
connection is dissolved via connect or by the dead peer detection logic
in unix_dgram_sendmsg, the server socket may be freed despite "the
polling mechanism" (in particular, epoll) still has a pointer to the
corresponding peer_wait queue. There's no way to forcibly deregister a
wait queue with epoll.
Based on an idea by Jason Baron, the patch below changes the code such
that a wait_queue_t belonging to the client socket is enqueued on the
peer_wait queue of the server whenever the peer receive queue full
condition is detected by either a sendmsg or a poll. A wake up on the
peer queue is then relayed to the ordinary wait queue of the client
socket via wake function. The connection to the peer wait queue is again
dissolved if either a wake up is about to be relayed or the client
socket reconnects or a dead peer is detected or the client socket is
itself closed. This enables removing the second sock_poll_wait from
unix_dgram_poll, thus avoiding the use-after-free, while still ensuring
that no blocked writer sleeps forever.
Signed-off-by: Rainer Weikusat <rweikusat@mobileactivedefense.com>
Fixes: ec0d215f94 ("af_unix: fix 'poll for write'/connected DGRAM sockets")
Reviewed-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Changes the definition of the pointer _expiry from time_t to
time64_t. This is to handle the Y2038 problem where time_t
will overflow in the year 2038. The change is safe because
the kernel subsystems that call dns_query pass NULL.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull networking fixes from David Miller:
1) Fix list tests in netfilter ingress support, from Florian Westphal.
2) Fix reversal of input and output interfaces in ingress hook
invocation, from Pablo Neira Ayuso.
3) We have a use after free in r8169, caught by Dave Jones, fixed by
Francois Romieu.
4) Splice use-after-free fix in AF_UNIX frmo Hannes Frederic Sowa.
5) Three ipv6 route handling bug fixes from Martin KaFai Lau:
a) Don't create clone routes not managed by the fib6 tree
b) Don't forget to check expiration of DST_NOCACHE routes.
c) Handle rt->dst.from == NULL properly.
6) Several AF_PACKET fixes wrt transport header setting and SKB
protocol setting, from Daniel Borkmann.
7) Fix thunder driver crash on shutdown, from Pavel Fedin.
8) Several Mellanox driver fixes (max MTU calculations, use of correct
DMA unmap in TX path, etc.) from Saeed Mahameed, Tariq Toukan, Doron
Tsur, Achiad Shochat, Eran Ben Elisha, and Noa Osherovich.
9) Several mv88e6060 DSA driver fixes (wrong bit definitions for
certain registers, etc.) from Neil Armstrong.
10) Make sure to disable preemption while updating per-cpu stats of ip
tunnels, from Jason A. Donenfeld.
11) Various ARM64 bpf JIT fixes, from Yang Shi.
12) Flush icache properly in ARM JITs, from Daniel Borkmann.
13) Fix masking of RX and TX interrupts in ravb driver, from Masaru
Nagai.
14) Fix netdev feature propagation for devices not implementing
->ndo_set_features(). From Nikolay Aleksandrov.
15) Big endian fix in vmxnet3 driver, from Shrikrishna Khare.
16) RAW socket code increments incorrect SNMP counters, fix from Ben
Cartwright-Cox.
17) IPv6 multicast SNMP counters are bumped twice, fix from Neil Horman.
18) Fix handling of VLAN headers on stacked devices when REORDER is
disabled. From Vlad Yasevich.
19) Fix SKB leaks and use-after-free in ipvlan and macvlan drivers, from
Sabrina Dubroca.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (83 commits)
MAINTAINERS: Update Mellanox's Eth NIC driver entries
net/core: revert "net: fix __netdev_update_features return.." and add comment
af_unix: take receive queue lock while appending new skb
rtnetlink: fix frame size warning in rtnl_fill_ifinfo
net: use skb_clone to avoid alloc_pages failure.
packet: Use PAGE_ALIGNED macro
packet: Don't check frames_per_block against negative values
net: phy: Use interrupts when available in NOLINK state
phy: marvell: Add support for 88E1540 PHY
arm64: bpf: make BPF prologue and epilogue align with ARM64 AAPCS
macvlan: fix leak in macvlan_handle_frame
ipvlan: fix use after free of skb
ipvlan: fix leak in ipvlan_rcv_frame
vlan: Do not put vlan headers back on bridge and macvlan ports
vlan: Fix untag operations of stacked vlans with REORDER_HEADER off
via-velocity: unconditionally drop frames with bad l2 length
ipg: Remove ipg driver
dl2k: Add support for IP1000A-based cards
snmp: Remove duplicate OUTMCAST stat increment
net: thunder: Check for driver data in nicvf_remove()
...
The 88E1540 can be found embedded in the Marvell 88E6352 switch. It
is compatible with the 88E1510, so add support for it, using the
88E1510 specific functions.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a vlan is configured with REORDER_HEADER set to 0, the vlan
header is put back into the packet and makes it appear that
the vlan header is still there even after it's been processed.
This posses a problem for bridge and macvlan ports. The packets
passed to those device may be forwarded and at the time of the
forward, vlan headers end up being unexpectedly present.
With the patch, we make sure that we do not put the vlan header
back (when REORDER_HEADER is 0) if a bridge or macvlan has
been configured on top of the vlan device.
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
rtnl_fdb_dump always expects an index to be returned by the ndo_fdb_dump op,
but when CONFIG_NET_SWITCHDEV is off, it returns an error.
Fix that by returning the given unmodified idx.
A similar fix was 0890cf6cb6 ("switchdev: fix return value of
switchdev_port_fdb_dump in case of error") but for the CONFIG_NET_SWITCHDEV=y
case.
Fixes: 45d4122ca7 ("switchdev: add support for fdb add/del/dump via switchdev_port_obj ops.")
Signed-off-by: Dragos Tatulea <dragos@endocode.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Drivers like vxlan use the recently introduced
udp_tunnel_xmit_skb/udp_tunnel6_xmit_skb APIs. udp_tunnel6_xmit_skb
makes use of ip6tunnel_xmit, and ip6tunnel_xmit, after sending the
packet, updates the struct stats using the usual
u64_stats_update_begin/end calls on this_cpu_ptr(dev->tstats).
udp_tunnel_xmit_skb makes use of iptunnel_xmit, which doesn't touch
tstats, so drivers like vxlan, immediately after, call
iptunnel_xmit_stats, which does the same thing - calls
u64_stats_update_begin/end on this_cpu_ptr(dev->tstats).
While vxlan is probably fine (I don't know?), calling a similar function
from, say, an unbound workqueue, on a fully preemptable kernel causes
real issues:
[ 188.434537] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u8:0/6
[ 188.435579] caller is debug_smp_processor_id+0x17/0x20
[ 188.435583] CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.2.6 #2
[ 188.435607] Call Trace:
[ 188.435611] [<ffffffff8234e936>] dump_stack+0x4f/0x7b
[ 188.435615] [<ffffffff81915f3d>] check_preemption_disabled+0x19d/0x1c0
[ 188.435619] [<ffffffff81915f77>] debug_smp_processor_id+0x17/0x20
The solution would be to protect the whole
this_cpu_ptr(dev->tstats)/u64_stats_update_begin/end blocks with
disabling preemption and then reenabling it.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Prevent outgoing multicast frames from looping back to the RX queue.
By introducing new HW capability self_lb_en_modifiable, which indicates
the support to modify self_lb_en bit in modify_tir command.
When this capability is set we can prevent TIRs from sending back
loopback multicast traffic to their own RQs, by "refreshing TIRs" with
modify_tir command, on every time new channels (SQs/RQs) are created at
device open.
This is needed since TIRs are static and only allocated once on driver
load, and the loopback decision is under their responsibility.
Fixes issues of the kind:
"IPv6: eth2: IPv6 duplicate address fe80::e61d:2dff:fe5c:f2e9 detected!"
The issue is seen since the IPv6 solicitations multicast messages are
loopedback and the network stack thinks they are coming from another host.
Fixes: 5c50368f38 ("net/mlx5e: Light-weight netdev open/stop")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some functions access TCP sockets without holding a lock and
might output non consistent data, depending on compiler and or
architecture.
tcp_diag_get_info(), tcp_get_info(), tcp_poll(), get_tcp4_sock() ...
Introduce sk_state_load() and sk_state_store() to fix the issues,
and more clearly document where this lack of locking is happening.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All DST_NOCACHE rt6_info used to have rt->dst.from set to
its parent.
After commit 8e3d5be736 ("ipv6: Avoid double dst_free"),
DST_NOCACHE is also set to rt6_info which does not have
a parent (i.e. rt->dst.from is NULL).
This patch catches the rt->dst.from == NULL case.
Fixes: 8e3d5be736 ("ipv6: Avoid double dst_free")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull MIPS updates from Ralf Baechle:
"These are the highlists of the main MIPS pull request for 4.4:
- Add latencytop support
- Support appended DTBs
- VDSO support and initially use it for gettimeofday.
- Drop the .MIPS.abiflags and ELF NOTE sections from vmlinux
- Support for the 5KE, an internal test core.
- Switch all MIPS platfroms to libata drivers.
- Improved support, cleanups for ralink and Lantiq platforms.
- Support for the new xilfpga platform.
- A number of DTB improvments for BMIPS.
- Improved support for CM and CPS.
- Minor JZ4740 and BCM47xx enhancements"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (120 commits)
MIPS: idle: add case for CPU_5KE
MIPS: Octeon: Support APPENDED_DTB
MIPS: vmlinux: create a section for appended DTB
MIPS: Clean up compat_siginfo_t
MIPS: Fix PAGE_MASK definition
MIPS: BMIPS: Enable GZIP ramdisk and timed printks
MIPS: Add xilfpga defconfig
MIPS: xilfpga: Add mipsfpga platform code
MIPS: xilfpga: Add xilfpga device tree files.
dt-bindings: MIPS: Document xilfpga bindings and boot style
MIPS: Make MIPS_CMDLINE_DTB default
MIPS: Make the kernel arguments from dtb available
MIPS: Use USE_OF as the guard for appended dtb
MIPS: BCM63XX: Use pr_* instead of printk
MIPS: Loongson: Cleanup CONFIG_LOONGSON_SUSPEND.
MIPS: lantiq: Disable xbar fpi burst mode
MIPS: lantiq: Force the crossbar to big endian
MIPS: lantiq: Initialize the USB core on boot
MIPS: lantiq: Return correct value for fpi clock on ar9
MIPS: ralink: Add missing clock on rt305x
...
Here's the branch of chrome platform changes for v4.4. Some have been queued
up for the full 4.3 release cycle since I forgot to send them in for that
round (rebased early on to deal with fixes conflicts).
Most of these enable EC communication stuff -- Pixel 2015 support, enabling
building for ARM64 platforms, and a few fixes for memory leaks.
There's also a patch in here to allow reading/writing the verified boot
context, which depends on a sysfs patch acked by Greg.
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Merge tag 'chrome-platform-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform
Pull chrome platform updates from Olof Johansson:
"Here's the branch of chrome platform changes for v4.4. Some have been
queued up for the full 4.3 release cycle since I forgot to send them
in for that round (rebased early on to deal with fixes conflicts).
Most of these enable EC communication stuff -- Pixel 2015 support,
enabling building for ARM64 platforms, and a few fixes for memory
leaks.
There's also a patch in here to allow reading/writing the verified
boot context, which depends on a sysfs patch acked by Greg"
* tag 'chrome-platform-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform:
platform/chrome: Fix i2c-designware adapter name
platform/chrome: Support reading/writing the vboot context
sysfs: Support is_visible() on binary attributes
platform/chrome: cros_ec: Fix possible leak in led_rgb_store()
platform/chrome: cros_ec: Fix leak in sequence_store()
platform/chrome: Enable Chrome platforms on 64-bit ARM
platform/chrome: cros_ec_dev - Add a platform device ID table
platform/chrome: cros_ec_lpc - Add support for Google Pixel 2
platform/chrome: cros_ec_lpc - Use existing function to check EC result
platform/chrome: Make depends on MFD_CROS_EC instead CROS_EC_PROTO
Revert "platform/chrome: Don't make CHROME_PLATFORMS depends on X86 || ARM"
Sorry for the delay in this patch which was mostly caused by getting the
merger of the mpt2/mpt3sas driver, which was seen as an essential item of
maintenance work to do before the drivers diverge too much. Unfortunately,
this caused a compile failure (detected by linux-next), which then had to be
fixed up and incubated. In addition to the mpt2/3sas rework, there are
updates from pm80xx, lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc
and ufs plus an assortment of changes including some year 2038 issues, a fix
for a remove before detach issue in some drivers and a couple of other minor
issues.
Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull final round of SCSI updates from James Bottomley:
"Sorry for the delay in this patch which was mostly caused by getting
the merger of the mpt2/mpt3sas driver, which was seen as an essential
item of maintenance work to do before the drivers diverge too much.
Unfortunately, this caused a compile failure (detected by linux-next),
which then had to be fixed up and incubated.
In addition to the mpt2/3sas rework, there are updates from pm80xx,
lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc and ufs plus
an assortment of changes including some year 2038 issues, a fix for a
remove before detach issue in some drivers and a couple of other minor
issues"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits)
mpt3sas: fix inline markers on non inline function declarations
sd: Clear PS bit before Mode Select.
ibmvscsi: set max_lun to 32
ibmvscsi: display default value for max_id, max_lun and max_channel.
mptfusion: don't allow negative bytes in kbuf_alloc_2_sgl()
scsi: pmcraid: replace struct timeval with ktime_get_real_seconds()
mvumi: 64bit value for seconds_since1970
be2iscsi: Fix bogus WARN_ON length check
scsi_scan: don't dump trace when scsi_prep_async_scan() is called twice
mpt3sas: Bump mpt3sas driver version to 09.102.00.00
mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs
mpt2sas, mpt3sas: Update the driver versions
mpt3sas: setpci reset kernel oops fix
mpt3sas: Added OEM Gen2 PnP ID branding names
mpt3sas: Refcount fw_events and fix unsafe list usage
mpt3sas: Refcount sas_device objects and fix unsafe list usage
mpt3sas: sysfs attribute to report Backup Rail Monitor Status
mpt3sas: Ported WarpDrive product SSS6200 support
mpt3sas: fix for driver fails EEH, recovery from injected pci bus error
mpt3sas: Manage MSI-X vectors according to HBA device type
...
Pull SCSI target updates from Nicholas Bellinger:
"This series contains HCH's changes to absorb configfs attribute
->show() + ->store() function pointer usage from it's original
tree-wide consumers, into common configfs code.
It includes usb-gadget, target w/ drivers, netconsole and ocfs2
changes to realize the improved simplicity, that now renders the
original include/target/configfs_macros.h CPP magic for fabric drivers
and others, unnecessary and obsolete.
And with common code in place, new configfs attributes can be added
easier than ever before.
Note, there are further improvements in-flight from other folks for
v4.5 code in configfs land, plus number of target fixes for post -rc1
code"
In the meantime, a new user of the now-removed old configfs API came in
through the char/misc tree in commit 7bd1d4093c ("stm class: Introduce
an abstraction for System Trace Module devices").
This merge resolution comes from Alexander Shishkin, who updated his stm
class tracing abstraction to account for the removal of the old
show_attribute and store_attribute methods in commit 517982229f
("configfs: remove old API") from this pull. As Alexander says about
that patch:
"There's no need to keep an extra wrapper structure per item and the
awkward show_attribute/store_attribute item ops are no longer needed.
This patch converts policy code to the new api, all the while making
the code quite a bit smaller and easier on the eyes.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>"
That patch was folded into the merge so that the tree should be fully
bisectable.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (23 commits)
configfs: remove old API
ocfs2/cluster: use per-attribute show and store methods
ocfs2/cluster: move locking into attribute store methods
netconsole: use per-attribute show and store methods
target: use per-attribute show and store methods
spear13xx_pcie_gadget: use per-attribute show and store methods
dlm: use per-attribute show and store methods
usb-gadget/f_serial: use per-attribute show and store methods
usb-gadget/f_phonet: use per-attribute show and store methods
usb-gadget/f_obex: use per-attribute show and store methods
usb-gadget/f_uac2: use per-attribute show and store methods
usb-gadget/f_uac1: use per-attribute show and store methods
usb-gadget/f_mass_storage: use per-attribute show and store methods
usb-gadget/f_sourcesink: use per-attribute show and store methods
usb-gadget/f_printer: use per-attribute show and store methods
usb-gadget/f_midi: use per-attribute show and store methods
usb-gadget/f_loopback: use per-attribute show and store methods
usb-gadget/ether: use per-attribute show and store methods
usb-gadget/f_acm: use per-attribute show and store methods
usb-gadget/f_hid: use per-attribute show and store methods
...
Now that the xattr handler is passed to the xattr handler operations, we
can use the same get and set operations for the user, trusted, and security
xattr namespaces. In those namespaces, we can access the full attribute
name by "reattaching" the name prefix the vfs has skipped for us. Add a
xattr_full_name helper to make this obvious in the code.
For the "system.posix_acl_access" and "system.posix_acl_default"
attributes, handler->prefix is the full attribute name; the suffix is the
empty string.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Cc: v9fs-developer@lists.sourceforge.net
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
- Use kernel interfaces for VPD emulation (Alex Williamson)
- Platform fix for releasing IRQs (Eric Auger)
- Type1 IOMMU always advertises PAGE_SIZE support when smaller
mapping sizes are available (Eric Auger)
- Platform fixes for incorrectly using copies of structures rather
than pointers to structures (James Morse)
- Rework platform reset modules, fix leak, and add AMD xgbe reset
module (Eric Auger)
- Fix vfio_device_get_from_name() return value (Joerg Roedel)
- No-IOMMU interface (Alex Williamson)
- Fix potential out of bounds array access in PCI config handling
(Dan Carpenter)
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Merge tag 'vfio-v4.4-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Use kernel interfaces for VPD emulation (Alex Williamson)
- Platform fix for releasing IRQs (Eric Auger)
- Type1 IOMMU always advertises PAGE_SIZE support when smaller mapping
sizes are available (Eric Auger)
- Platform fixes for incorrectly using copies of structures rather than
pointers to structures (James Morse)
- Rework platform reset modules, fix leak, and add AMD xgbe reset
module (Eric Auger)
- Fix vfio_device_get_from_name() return value (Joerg Roedel)
- No-IOMMU interface (Alex Williamson)
- Fix potential out of bounds array access in PCI config handling (Dan
Carpenter)
* tag 'vfio-v4.4-rc1' of git://github.com/awilliam/linux-vfio:
vfio/pci: make an array larger
vfio: Include No-IOMMU mode
vfio: Fix bug in vfio_device_get_from_name()
VFIO: platform: reset: AMD xgbe reset module
vfio: platform: reset: calxedaxgmac: fix ioaddr leak
vfio: platform: add dev_info on device reset
vfio: platform: use list of registered reset function
vfio: platform: add compat in vfio_platform_device
vfio: platform: reset: calxedaxgmac: add reset function registration
vfio: platform: introduce module_vfio_reset_handler macro
vfio: platform: add capability to register a reset function
vfio: platform: introduce vfio-platform-base module
vfio/platform: store mapped memory in region, instead of an on-stack copy
vfio/type1: handle case where IOMMU does not support PAGE_SIZE size
VFIO: platform: clear IRQ_NOAUTOEN when de-assigning the IRQ
vfio/pci: Use kernel VPD access functions
vfio: Whitelist PCI bridges
Pull Ceph updates from Sage Weil:
"There are several patches from Ilya fixing RBD allocation lifecycle
issues, a series adding a nocephx_sign_messages option (and associated
bug fixes/cleanups), several patches from Zheng improving the
(directory) fsync behavior, a big improvement in IO for direct-io
requests when striping is enabled from Caifeng, and several other
small fixes and cleanups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
libceph: clear msg->con in ceph_msg_release() only
libceph: add nocephx_sign_messages option
libceph: stop duplicating client fields in messenger
libceph: drop authorizer check from cephx msg signing routines
libceph: msg signing callouts don't need con argument
libceph: evaluate osd_req_op_data() arguments only once
ceph: make fsync() wait unsafe requests that created/modified inode
ceph: add request to i_unsafe_dirops when getting unsafe reply
libceph: introduce ceph_x_authorizer_cleanup()
ceph: don't invalidate page cache when inode is no longer used
rbd: remove duplicate calls to rbd_dev_mapping_clear()
rbd: set device_type::release instead of device::release
rbd: don't free rbd_dev outside of the release callback
rbd: return -ENOMEM instead of pool id if rbd_dev_create() fails
libceph: use local variable cursor instead of &msg->cursor
libceph: remove con argument in handle_reply()
ceph: combine as many iovec as possile into one OSD request
ceph: fix message length computation
ceph: fix a comment typo
rbd: drop null test before destroy functions
Pull drm fixes from Dave Airlie:
"One urgent fix for an oops under console lock in some drivers, one
uapi fix, and one revert to fix rockchip regression"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
Revert "drm/rockchip: Convert the probe function to the generic drm_of_component_probe()"
drm: Don't oops in drm_calc_timestamping_constants() if drm_vblank_init() wasn't called
drm: Use userspace compatible type in fourcc_mod_code macro
Single fix for uapi.
* tag 'topic/drm-fixes-2015-11-11' of git://anongit.freedesktop.org/drm-intel:
drm: Use userspace compatible type in fourcc_mod_code macro
Pull misc block fixes from Jens Axboe:
"Stuff that got collected after the merge window opened. This
contains:
- NVMe:
- Fix for non-striped transfer size setting for NVMe from
Sathyavathi.
- (Some) support for the weird Apple nvme controller in the
macbooks. From Stephan Günther.
- The error value leak for dax from Al.
- A few minor blk-mq tweaks from me.
- Add the new linux-block@vger.kernel.org mailing list to the
MAINTAINERS file.
- Discard fix for brd, from Jan.
- A kerneldoc warning for block core from Randy.
- An older fix from Vivek, converting a WARN_ON() to a rate limited
printk when a device is hot removed with dirty inodes"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: don't hardcode blk_qc_t -> tag mask
dax_io(): don't let non-error value escape via retval instead of EFAULT
block: fix blk-core.c kernel-doc warning
fs/block_dev.c: Remove WARN_ON() when inode writeback fails
NVMe: add support for Apple NVMe controller
NVMe: use split lo_hi_{read,write}q
blk-mq: mark __blk_mq_complete_request() static
MAINTAINERS: add reference to new linux-block list
NVMe: Increase the max transfer size when mdts is 0
brd: Refuse improperly aligned discard requests
- x86: work around two nasty cases where a benign exception occurs while
another is being delivered. The endless stream of exceptions causes an
infinite loop in the processor, which not even NMIs or SMIs can interrupt;
in the virt case, there is no possibility to exit to the host either.
- x86: support for Skylake per-guest TSC rate. Long supported by AMD,
the patches mostly move things from there to common arch/x86/kvm/ code.
- generic: remove local_irq_save/restore from the guest entry and exit
paths when context tracking is enabled. The patches are a few months
old, but we discussed them again at kernel summit. Andy will pick up
from here and, in 4.5, try to remove it from the user entry/exit paths.
- PPC: Two bug fixes, see merge commit 370289756b for details.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull second batch of kvm updates from Paolo Bonzini:
"Four changes:
- x86: work around two nasty cases where a benign exception occurs
while another is being delivered. The endless stream of exceptions
causes an infinite loop in the processor, which not even NMIs or
SMIs can interrupt; in the virt case, there is no possibility to
exit to the host either.
- x86: support for Skylake per-guest TSC rate. Long supported by
AMD, the patches mostly move things from there to common
arch/x86/kvm/ code.
- generic: remove local_irq_save/restore from the guest entry and
exit paths when context tracking is enabled. The patches are a few
months old, but we discussed them again at kernel summit. Andy
will pick up from here and, in 4.5, try to remove it from the user
entry/exit paths.
- PPC: Two bug fixes, see merge commit 370289756b for details"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits)
KVM: x86: rename update_db_bp_intercept to update_bp_intercept
KVM: svm: unconditionally intercept #DB
KVM: x86: work around infinite loop in microcode when #AC is delivered
context_tracking: avoid irq_save/irq_restore on guest entry and exit
context_tracking: remove duplicate enabled check
KVM: VMX: Dump TSC multiplier in dump_vmcs()
KVM: VMX: Use a scaled host TSC for guest readings of MSR_IA32_TSC
KVM: VMX: Setup TSC scaling ratio when a vcpu is loaded
KVM: VMX: Enable and initialize VMX TSC scaling
KVM: x86: Use the correct vcpu's TSC rate to compute time scale
KVM: x86: Move TSC scaling logic out of call-back read_l1_tsc()
KVM: x86: Move TSC scaling logic out of call-back adjust_tsc_offset()
KVM: x86: Replace call-back compute_tsc_offset() with a common function
KVM: x86: Replace call-back set_tsc_khz() with a common function
KVM: x86: Add a common TSC scaling function
KVM: x86: Add a common TSC scaling ratio field in kvm_vcpu_arch
KVM: x86: Collect information for setting TSC scaling ratio
KVM: x86: declare a few variables as __read_mostly
KVM: x86: merge handle_mmio_page_fault and handle_mmio_page_fault_common
KVM: PPC: Book3S HV: Don't dynamically split core when already split
...
- Support for the ACPI _CCA configuration object intended to tell
the OS whether or not a bus master device supports hardware
managed cache coherency and a new set of functions to allow
drivers to check the cache coherency support for devices in a
platform firmware interface agnostic way (Suravee Suthikulpanit,
Jeremy Linton).
- ACPI backlight quirks for ESPRIMO Mobile M9410 and Dell XPS L421X
(Aaron Lu, Hans de Goede).
- Fixes for the arm_big_little and s5pv210-cpufreq cpufreq drivers
(Jon Medhurst, Nicolas Pitre).
- kfree()-related fixup for the recently introduced CPPC cpufreq
frontend (Markus Elfring).
- intel_pstate fix reducing kernel log noise on systems where
P-states are managed by hardware (Prarit Bhargava).
- intel_pstate maintainers information update (Srinivas Pandruvada).
- cpufreq core optimization related to the handling of delayed work
items used by governors (Viresh Kumar).
- Locking fixes and cleanups of the Operating Performance Points
(OPP) framework (Viresh Kumar).
- Generic power domains framework cleanups (Lina Iyer).
- cpupower tool updates (Jacob Tanenbaum, Sriram Raghunathan,
Thomas Renninger).
- turbostat tool updates (Len Brown).
/
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Merge tag 'pm+acpi-4.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"The only new feature in this batch is support for the ACPI _CCA device
configuration object, which it a pre-requisite for future ACPI PCI
support on ARM64, but should not affect the other architectures.
The rest is fixes and cleanups, mostly in cpufreq (including
intel_pstate), the Operating Performace Points (OPP) framework and
tools (cpupower and turbostat).
Specifics:
- Support for the ACPI _CCA configuration object intended to tell the
OS whether or not a bus master device supports hardware managed
cache coherency and a new set of functions to allow drivers to
check the cache coherency support for devices in a platform
firmware interface agnostic way (Suravee Suthikulpanit, Jeremy
Linton).
- ACPI backlight quirks for ESPRIMO Mobile M9410 and Dell XPS L421X
(Aaron Lu, Hans de Goede).
- Fixes for the arm_big_little and s5pv210-cpufreq cpufreq drivers
(Jon Medhurst, Nicolas Pitre).
- kfree()-related fixup for the recently introduced CPPC cpufreq
frontend (Markus Elfring).
- intel_pstate fix reducing kernel log noise on systems where
P-states are managed by hardware (Prarit Bhargava).
- intel_pstate maintainers information update (Srinivas Pandruvada).
- cpufreq core optimization related to the handling of delayed work
items used by governors (Viresh Kumar).
- Locking fixes and cleanups of the Operating Performance Points
(OPP) framework (Viresh Kumar).
- Generic power domains framework cleanups (Lina Iyer).
- cpupower tool updates (Jacob Tanenbaum, Sriram Raghunathan, Thomas
Renninger).
- turbostat tool updates (Len Brown)"
* tag 'pm+acpi-4.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
PCI: ACPI: Add support for PCI device DMA coherency
PCI: OF: Move of_pci_dma_configure() to pci_dma_configure()
of/pci: Fix pci_get_host_bridge_device leak
device property: ACPI: Remove unused DMA APIs
device property: ACPI: Make use of the new DMA Attribute APIs
device property: Adding DMA Attribute APIs for Generic Devices
ACPI: Adding DMA Attribute APIs for ACPI Device
device property: Introducing enum dev_dma_attr
ACPI: Honor ACPI _CCA attribute setting
cpufreq: CPPC: Delete an unnecessary check before the function call kfree()
PM / OPP: Add opp_rcu_lockdep_assert() to _find_device_opp()
PM / OPP: Hold dev_opp_list_lock for writers
PM / OPP: Protect updates to list_dev with mutex
PM / OPP: Propagate error properly from dev_pm_opp_set_sharing_cpus()
cpufreq: s5pv210-cpufreq: fix wrong do_div() usage
MAINTAINERS: update for intel P-state driver
Creating a common structure initialization pattern for struct option
cpupower: Enable disabled Cstates if they are below max latency
cpupower: Remove debug message when using cpupower idle-set -D switch
cpupower: cpupower monitor reports uninitialized values for offline cpus
...
Pablo Neira Ayuso:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for your net tree. This
large batch that includes fixes for ipset, netfilter ingress, nf_tables
dynamic set instantiation and a longstanding Kconfig dependency problem.
More specifically, they are:
1) Add missing check for empty hook list at the ingress hook, from
Florian Westphal.
2) Input and output interface are swapped at the ingress hook,
reported by Patrick McHardy.
3) Resolve ipset extension alignment issues on ARM, patch from Jozsef
Kadlecsik.
4) Fix bit check on bitmap in ipset hash type, also from Jozsef.
5) Release buckets when all entries have expired in ipset hash type,
again from Jozsef.
6) Oneliner to initialize conntrack tuple object in the PPTP helper,
otherwise the conntrack lookup may fail due to random bits in the
structure holes, patch from Anthony Lineham.
7) Silence a bogus gcc warning in nfnetlink_log, from Arnd Bergmann.
8) Fix Kconfig dependency problems with TPROXY, socket and dup, also
from Arnd.
9) Add __netdev_alloc_pcpu_stats() to allow creating percpu counters
from atomic context, this is required by the follow up fix for
nf_tables.
10) Fix crash from the dynamic set expression, we have to add new clone
operation that should be defined when a simple memcpy is not enough.
This resolves a crash when using per-cpu counters with new Patrick
McHardy's flow table nft support.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
the breakup of the big NFSv4 state lock in 3.17--thanks especially to
Andrew Elble and Jeff Layton for tracking down some of the remaining
races.
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Merge tag 'nfsd-4.4' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"Apologies for coming a little late in the merge window. Fortunately
this is another fairly quiet one:
Mainly smaller bugfixes and cleanup. We're still finding some bugs
from the breakup of the big NFSv4 state lock in 3.17 -- thanks
especially to Andrew Elble and Jeff Layton for tracking down some of
the remaining races"
* tag 'nfsd-4.4' of git://linux-nfs.org/~bfields/linux:
svcrpc: document lack of some memory barriers
nfsd: fix race with open / open upgrade stateids
nfsd: eliminate sending duplicate and repeated delegations
nfsd: remove recurring workqueue job to clean DRC
SUNRPC: drop stale comment in svc_setup_socket()
nfsd: ensure that seqid morphing operations are atomic wrt to copies
nfsd: serialize layout stateid morphing operations
nfsd: improve client_has_state to check for unused openowners
nfsd: fix clid_inuse on mount with security change
sunrpc/cache: make cache flushing more reliable.
nfsd: move include of state.h from trace.c to trace.h
sunrpc: avoid warning in gss_key_timeout
lockd: get rid of reference-counted NSM RPC clients
SUNRPC: Use MSG_SENDPAGE_NOTLAST when calling sendpage()
lockd: create NSM handles per net namespace
nfsd: switch unsigned char flags in svc_fh to bools
nfsd: move svc_fh->fh_maxsize to just after fh_handle
nfsd: drop null test before destroy functions
nfsd: serialize state seqid morphing operations
- Add empty of_translate_address needed for HiSilicon network driver.
- Fix alignment requirements for CMA regions in DT.
- Fix booting on PPC systems which can't do WARN() early.
- Rename ak4554 binding doc from .c to .txt.
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Merge tag 'devicetree-fixes-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
- Add empty of_translate_address needed for HiSilicon network driver.
- Fix alignment requirements for CMA regions in DT.
- Fix booting on PPC systems which can't do WARN() early.
- Rename ak4554 binding doc from .c to .txt.
* tag 'devicetree-fixes-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: Provide static inline function for of_translate_address if needed
drivers: of: of_reserved_mem: fixup the alignment with CMA setup
of: Print rather than WARN'ing when overlap check fails
dt-bindings: ak4554: extension should be .txt
Pull vfs update from Al Viro:
- misc stable fixes
- trivial kernel-doc and comment fixups
- remove never-used block_page_mkwrite() wrapper function, and rename
the function that is _actually_ used to not have double underscores.
* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: 9p: cache.h: Add #define of include guard
vfs: remove stale comment in inode_operations
vfs: remove unused wrapper block_page_mkwrite()
binfmt_elf: Correct `arch_check_elf's description
fs: fix writeback.c kernel-doc warnings
fs: fix inode.c kernel-doc warning
fs/pipe.c: return error code rather than 0 in pipe_write()
fs/pipe.c: preserve alloc_file() error code
binfmt_elf: Don't clobber passed executable's file header
FS-Cache: Handle a write to the page immediately beyond the EOF marker
cachefiles: perform test on s_blocksize when opening cache file.
FS-Cache: Don't override netfs's primary_index if registering failed
FS-Cache: Increase reference of parent after registering, netfs success
debugfs: fix refcount imbalance in start_creating
This round contains a couple of new drivers for the Marvell Berlin
family of SoCs, various SoCs from Renesas and Broadcom as well as the
backlight PWM present on MediaTek SoCs.
Further existing drivers are extended to support a wider range of
hardware.
The remaining patches are minor fixes and cleanups across the board.
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Merge tag 'pwm/for-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This round contains a couple of new drivers for the Marvell Berlin
family of SoCs, various SoCs from Renesas and Broadcom as well as the
backlight PWM present on MediaTek SoCs.
Further existing drivers are extended to support a wider range of
hardware.
The remaining patches are minor fixes and cleanups across the board.
Note that one of the patches included in this pull request is against
arch/unicore32. I've included it here because I couldn't get a
response from Guan Xuetao and I consider the change low-risk.
Equivalent patches have been merged and tested in Samsung and PXA
trees. The goal is to finally get rid of legacy code paths that have
repeatedly been causing headaches"
* tag 'pwm/for-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (24 commits)
pwm: sunxi: Fix whitespace issue
pwm: sysfs: Make use of the DEVICE_ATTR_[RW][WO] macro's
pwm: sysfs: Remove unnecessary temporary variable
unicore32: nb0916: Use PWM lookup table
pwm: pwm-rcar: Revise the device tree binding document about compatible
pwm: Return -ENODEV if no PWM lookup match is found
pwm: sun4i: Add support for PWM controller on sun5i SoCs
pwm: Set enable state properly on failed call to enable
pwm: lpss: Add support for runtime PM
pwm: lpss: Add more Intel Broxton IDs
pwm: lpss: Support all four PWMs on Intel Broxton
pwm: lpss: Add support for multiple PWMs
pwm-pca9685: enable ACPI device found on Galileo Gen2
pwm: Add MediaTek display PWM driver support
dt-bindings: pwm: Add MediaTek display PWM bindings
pwm: tipwmss: Enable on TI DRA7x and AM437x
pwm: atmel-hlcdc: add sama5d2 SoC support.
pwm: Add Broadcom BCM7038 PWM controller support
Documentation: dt: add Broadcom BCM7038 PWM controller binding
pwm: Add support for R-Car PWM Timer
...
Pull thermal updates from Zhang Rui:
- Implement generic devfreq cooling mechanism through frequency
reduction for devices using devfreq. From Ørjan Eide and Javi
Merino.
- Introduce OMAP3 support on TI SoC thermal driver. From Pavel Mack
and Eduardo Valentin.
- A bounch of small fixes on devfreq_cooling, Exynos, IMX, Armada, and
Rockchip thermal drivers.
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (24 commits)
thermal: exynos: Directly return 0 instead of using local ret variable
thermal: exynos: Remove unneeded semicolon
thermal: exynos: Use IS_ERR() because regulator cannot be NULL
thermal: exynos: Fix first temperature read after registering sensor
thermal: exynos: Fix unbalanced regulator disable on probe failure
devfreq_cooling: return on allocation failure
thermal: rockchip: support the sleep pinctrl state to avoid glitches in s2r
dt-bindings: rockchip-thermal: Add the pinctrl states in this document
thermal: devfreq_cooling: Make power a u64
thermal: devfreq_cooling: use a thermal_cooling_device for register and unregister
thermal: underflow bug in imx_set_trip_temp()
thermal: armada: Fix possible overflow in the Armada 380 thermal sensor formula
thermal: imx: register irq handler later in probe
thermal: rockhip: fix setting thermal shutdown polarity
thermal: rockchip: fix handling of invalid readings
devfreq_cooling: add trace information
thermal: Add devfreq cooling
PM / OPP: get the voltage for all OPPs
tools/thermal: tmon: use pkg-config also for CFLAGS
linux/thermal.h: rename KELVIN_TO_CELSIUS to DECI_KELVIN_TO_CELSIUS
...
The GIC provides a "user-mode visible" section containing a mirror of
the counter registers which can be mapped into user memory. This will
be used by the VDSO time function implementations, so provide a
function to map it in.
When the GIC is not enabled in Kconfig a dummy inline version of this
function is provided, along with "#define gic_present 0", so that we
don't have to litter the VDSO code with ifdefs.
[markos.chandras@imgtec.com:
- Move mapping code to arch/mips/kernel/vdso.c and use a resource
type to get the GIC usermode information
- Avoid renaming function arguments and use __gic_base_addr to hold
the base GIC address prior to ioremap.]
[ralf@linux-mips.org: Fix up gic_get_usm_range() to compile and make inline
again.]
Signed-off-by: Alex Smith <alex.smith@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Alex Smith <alex.smith@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/11281/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The big warning comment that is currently at the end of struct
inode_operations was added as part of this commit:
4aa7c6346b ("vfs: add i_op->dentry_open()")
It was added to warn people not to use the newly added 'dentry_open'
function pointer.
This function pointer was removed as part of this commit:
4bacc9c923 ("overlayfs: Make f_path always point to the overlay and
f_inode to the underlay")
The comment was left behind and now refers to nothing, so remove it.
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The function currently called "__block_page_mkwrite()" used to be called
"block_page_mkwrite()" until a wrapper for this function was added by:
commit 24da4fab5a ("vfs: Create __block_page_mkwrite() helper passing
error values back")
This wrapper, the current "block_page_mkwrite()", is currently unused.
__block_page_mkwrite() is used directly by ext4, nilfs2 and xfs.
Remove the unused wrapper, rename __block_page_mkwrite() back to
block_page_mkwrite() and update the comment above block_page_mkwrite().
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.com>
Cc: Jan Kara <jack@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Merge final patch-bomb from Andrew Morton:
"Various leftovers, mainly Christoph's pci_dma_supported() removals"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
pci: remove pci_dma_supported
usbnet: remove ifdefed out call to dma_supported
kaweth: remove ifdefed out call to dma_supported
sfc: don't call dma_supported
nouveau: don't call pci_dma_supported
netup_unidvb: use pci_set_dma_mask insted of pci_dma_supported
cx23885: use pci_set_dma_mask insted of pci_dma_supported
cx25821: use pci_set_dma_mask insted of pci_dma_supported
cx88: use pci_set_dma_mask insted of pci_dma_supported
saa7134: use pci_set_dma_mask insted of pci_dma_supported
saa7164: use pci_set_dma_mask insted of pci_dma_supported
tw68-core: use pci_set_dma_mask insted of pci_dma_supported
pcnet32: use pci_set_dma_mask insted of pci_dma_supported
lib/string.c: add ULL suffix to the constant definition
hugetlb: trivial comment fix
selftests/mlock2: add ULL suffix to 64-bit constants
selftests/mlock2: add missing #define _GNU_SOURCE
Pull networking fixes from David Miller:
1) Fix null deref in xt_TEE netfilter module, from Eric Dumazet.
2) Several spots need to get to the original listner for SYN-ACK
packets, most spots got this ok but some were not. Whilst covering
the remaining cases, create a helper to do this. From Eric Dumazet.
3) Missiing check of return value from alloc_netdev() in CAIF SPI code,
from Rasmus Villemoes.
4) Don't sleep while != TASK_RUNNING in macvtap, from Vlad Yasevich.
5) Use after free in mvneta driver, from Justin Maggard.
6) Fix race on dst->flags access in dst_release(), from Eric Dumazet.
7) Add missing ZLIB_INFLATE dependency for new qed driver. From Arnd
Bergmann.
8) Fix multicast getsockopt deadlock, from WANG Cong.
9) Fix deadlock in btusb, from Kuba Pawlak.
10) Some ipv6_add_dev() failure paths were not cleaning up the SNMP6
counter state. From Sabrina Dubroca.
11) Fix packet_bind() race, which can cause lost notifications, from
Francesco Ruggeri.
12) Fix MAC restoration in qlcnic driver during bonding mode changes,
from Jarod Wilson.
13) Revert bridging forward delay change which broke libvirt and other
userspace things, from Vlad Yasevich.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (65 commits)
Revert "bridge: Allow forward delay to be cfgd when STP enabled"
bpf_trace: Make dependent on PERF_EVENTS
qed: select ZLIB_INFLATE
net: fix a race in dst_release()
net: mvneta: Fix memory use after free.
net: Documentation: Fix default value tcp_limit_output_bytes
macvtap: Resolve possible __might_sleep warning in macvtap_do_read()
mvneta: add FIXED_PHY dependency
net: caif: check return value of alloc_netdev
net: hisilicon: NET_VENDOR_HISILICON should depend on HAS_DMA
drivers: net: xgene: fix RGMII 10/100Mb mode
netfilter: nft_meta: use skb_to_full_sk() helper
net_sched: em_meta: use skb_to_full_sk() helper
sched: cls_flow: use skb_to_full_sk() helper
netfilter: xt_owner: use skb_to_full_sk() helper
smack: use skb_to_full_sk() helper
net: add skb_to_full_sk() helper and use it in selinux_netlbl_skbuff_setsid()
bpf: doc: correct arch list for supported eBPF JIT
dwc_eth_qos: Delete an unnecessary check before the function call "of_node_put"
bonding: fix panic on non-ARPHRD_ETHER enslave failure
...
Pull block IO poll support from Jens Axboe:
"Various groups have been doing experimentation around IO polling for
(really) fast devices. The code has been reviewed and has been
sitting on the side for a few releases, but this is now good enough
for coordinated benchmarking and further experimentation.
Currently O_DIRECT sync read/write are supported. A framework is in
the works that allows scalable stats tracking so we can auto-tune
this. And we'll add libaio support as well soon. Fow now, it's an
opt-in feature for test purposes"
* 'for-4.4/io-poll' of git://git.kernel.dk/linux-block:
direct-io: be sure to assign dio->bio_bdev for both paths
directio: add block polling support
NVMe: add blk polling support
block: add block polling support
blk-mq: return tag/queue combo in the make_request_fn handlers
block: change ->make_request_fn() and users to return a queue cookie
If OF_ADDRESS is not configured, builds can fail with errors such as
drivers/net/ethernet/hisilicon/hns_mdio.c:
In function 'hns_mdio_bus_name':
drivers/net/ethernet/hisilicon/hns_mdio.c:411:3:
error: implicit declaration of function 'of_translate_address'
as currently seen when building sparc:allmodconfig.
Introduce a static inline function if OF_ADDRESS is not configured to fix
the build failure. Return OF_BAD_ADDR in this case. For this to work, the
definition of OF_BAD_ADDR has to be moved outside CONFIG_OF conditional
code.
Fixes: 876133d316 ("net: hisilicon: add OF dependency")
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Frank Rowand <frank.rowand@sonymobile.com>
Signed-off-by: Rob Herring <robh@kernel.org>
As usual, this is the massive branch we have for each release. Lots of
various updates and additions of hardware descriptions on existing hardware,
as well as the usual additions of new boards and SoCs.
This is also the first release where we've started mixing 64- and 32-bit
DT updates in one branch.
(Specific details on what's actually here and new is pretty easy to tell
from the diffstat, so there's little point in duplicating listing it here.)
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Olof Johansson:
"As usual, this is the massive branch we have for each release. Lots
of various updates and additions of hardware descriptions on existing
hardware, as well as the usual additions of new boards and SoCs.
This is also the first release where we've started mixing 64- and
32-bit DT updates in one branch.
(Specific details on what's actually here and new is pretty easy to
tell from the diffstat, so there's little point in duplicating listing
it here)"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (499 commits)
ARM: dts: uniphier: add system-bus-controller nodes
ARM64: juno: disable NOR flash node by default
ARM: dts: uniphier: add outer cache controller nodes
arm64: defconfig: Enable PCI generic host bridge by default
arm64: Juno: Add support for the PCIe host bridge on Juno R1
Documentation: of: Document the bindings used by Juno R1 PCIe host bridge
ARM: dts: uniphier: add I2C aliases for ProXstream2 boards
dts/Makefile: Add build support for LS2080a QDS & RDB board DTS
dts/ls2080a: Add DTS support for LS2080a QDS & RDB boards
dts/ls2080a: Update Simulator DTS to add support of various peripherals
dts/ls2080a: Remove text about writing to Free Software Foundation
dts/ls2080a: Update DTSI to add support of various peripherals
doc: DTS: Update DWC3 binding to provide reference to generic bindings
doc/bindings: Update GPIO devicetree binding documentation for LS2080A
Documentation/dts: Move FSL board-specific bindings out of /powerpc
Documentation: DT: Add entry for FSL LS2080A QDS and RDB boards
arm64: Rename FSL LS2085A SoC support code to LS2080A
arm64: Use generic Layerscape SoC family naming
ARM: dts: uniphier: add ProXstream2 Vodka board support
ARM: dts: uniphier: add ProXstream2 Gentil board support
...
As we've enabled multiplatform kernels on ARM, and greatly done away with
the contents under arch/arm/mach-*, there's still need for SoC-related
drivers to go somewhere.
Many of them go in through other driver trees, but we still have
drivers/soc to hold some of the "doesn't fit anywhere" lowlevel code
that might be shared between ARM and ARM64 (or just in general makes
sense to not have under the architecture directory).
This branch contains mostly such code:
- Drivers for qualcomm SoCs for SMEM, SMD and SMD-RPM, used to communicate
with power management blocks on these SoCs for use by clock, regulator and
bus frequency drivers.
- Allwinner Reduced Serial Bus driver, again used to communicate with PMICs.
- Drivers for ARM's SCPI (System Control Processor). Not to be confused with
PSCI (Power State Coordination Interface). SCPI is used to communicate with
the assistant embedded cores doing power management, and we have yet to see
how many of them will implement this for their hardware vs abstracting in
other ways (or not at all like in the past).
- To make confusion between SCPI and PSCI more likely, this release also
includes an update of PSCI to interface version 1.0.
- Rockchip support for power domains.
- A driver to talk to the firmware on Raspberry Pi.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"As we've enabled multiplatform kernels on ARM, and greatly done away
with the contents under arch/arm/mach-*, there's still need for
SoC-related drivers to go somewhere.
Many of them go in through other driver trees, but we still have
drivers/soc to hold some of the "doesn't fit anywhere" lowlevel code
that might be shared between ARM and ARM64 (or just in general makes
sense to not have under the architecture directory).
This branch contains mostly such code:
- Drivers for qualcomm SoCs for SMEM, SMD and SMD-RPM, used to
communicate with power management blocks on these SoCs for use by
clock, regulator and bus frequency drivers.
- Allwinner Reduced Serial Bus driver, again used to communicate with
PMICs.
- Drivers for ARM's SCPI (System Control Processor). Not to be
confused with PSCI (Power State Coordination Interface). SCPI is
used to communicate with the assistant embedded cores doing power
management, and we have yet to see how many of them will implement
this for their hardware vs abstracting in other ways (or not at all
like in the past).
- To make confusion between SCPI and PSCI more likely, this release
also includes an update of PSCI to interface version 1.0.
- Rockchip support for power domains.
- A driver to talk to the firmware on Raspberry Pi"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
soc: qcom: smd-rpm: Correct size of outgoing message
bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus
bus: sunxi-rsb: Add Allwinner Reduced Serial Bus (RSB) controller bindings
ARM: bcm2835: add mutual inclusion protection
drivers: psci: make PSCI 1.0 functions initialization version dependent
dt-bindings: Correct paths in Rockchip power domains binding document
soc: rockchip: power-domain: don't try to print the clock name in error case
soc: qcom/smem: add HWSPINLOCK dependency
clk: berlin: add cpuclk
ARM: berlin: dts: add CLKID_CPU for BG2Q
ARM: bcm2835: Add the Raspberry Pi firmware driver
soc: qcom: smem: Move RPM message ram out of smem DT node
soc: qcom: smd-rpm: Correct the active vs sleep state flagging
soc: qcom: smd: delete unneeded of_node_put
firmware: qcom-scm: build for correct architecture level
soc: qcom: smd: Correct SMEM items for upper channels
qcom-scm: add missing prototype for qcom_scm_is_available()
qcom-scm: fix endianess issue in __qcom_scm_is_call_available
soc: qcom: smd: Reject send of too big packets
soc: qcom: smd: Handle big endian CPUs
...
