Commit graph

100,877 commits

Author SHA1 Message Date
Linus Walleij
89b0b4e2d3 Merge branch 'gpio-reserved-ranges' into devel 2018-03-27 15:34:40 +02:00
Stephen Boyd
726cb3ba49 gpiolib: Support 'gpio-reserved-ranges' property
Some qcom platforms make some GPIOs or pins unavailable for use by
non-secure operating systems, and thus reading or writing the registers
for those pins will cause access control issues. Add support for a DT
property to describe the set of GPIOs that are available for use so that
higher level OSes are able to know what pins to avoid reading/writing.
Non-DT platforms can add support by directly updating the
chip->valid_mask.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Timur Tabi <timur@codeaurora.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-03-27 15:34:20 +02:00
Arnd Bergmann
d45357e40e arm64: tegra: Device tree changes for v4.17-rc1
Adds initial support for the P2972-0000 development board based on
 Tegra194 and enables the AHCI controller on Jetson TX1.
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Merge tag 'tegra-for-4.17-arm64-dt' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt

Pull "arm64: tegra: Device tree changes for v4.17-rc1" from Thierry Reding:

Adds initial support for the P2972-0000 development board based on
Tegra194 and enables the AHCI controller on Jetson TX1.

* tag 'tegra-for-4.17-arm64-dt' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  arm64: tegra: Enable AHCI on Jetson TX1
  arm64: tegra: Add SATA node for Tegra210
  arm64: tegra: Add device tree for the Tegra194 P2972-0000 board
  arm64: tegra: Add Tegra194 chip device tree
2018-03-27 13:27:04 +02:00
Andy Shevchenko
3af3452586 firmware/dmi_scan: Uninline dmi_get_bios_year() helper
Uninline dmi_get_bios_year() which, in particular, allows us
to optimize it in the future.

While doing this, convert the function to return an error code
when BIOS date is not present or not parsable, or CONFIG_DMI=n.

Additionally, during the move, add a bit of documentation.

Suggested-by: Bjorn Helgaas <helgaas@kernel.org>
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J . Wysocki <rjw@rjwysocki.net>
Cc: linux-acpi@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Fixes: 492a1abd61 ("dmi: Introduce the dmi_get_bios_year() helper function")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-27 11:33:15 +02:00
Philipp Zabel
0089313d85 Merge branch 'reset/lookup' into reset/next
Merge the reset lookup support for non-DT platforms, from an
immutable branch provided for merging into the davinci tree.
2018-03-27 11:03:43 +02:00
Gabriel Fernandez
dae5af9762 dt-bindings: reset: add STM32MP1 resets
This patch adds the reset binding entry for STM32MP1

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2018-03-27 10:44:03 +02:00
Bartosz Golaszewski
e2749bb998 reset: modify the way reset lookup works for board files
Commit 7af1bb19f1d7 ("reset: add support for non-DT systems")
introduced reset control lookup mechanism for boards that still use
board files.

The routine used to register lookup entries takes the corresponding
reset_controlled_dev structure as argument.

It's been determined however that for the first user of this new
interface - davinci psc driver - it will be easier to register the
lookup entries using the reset controller device name.

This patch changes the way lookup entries are added.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
[p.zabel@pengutronix.de: added missing ERR_PTR]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2018-03-27 10:39:47 +02:00
Bartosz Golaszewski
6691dffab0 reset: add support for non-DT systems
The reset framework only supports device-tree. There are some platforms
however, which need to use it even in legacy, board-file based mode.

An example of such architecture is the DaVinci family of SoCs which
supports both device tree and legacy boot modes and we don't want to
introduce any regressions.

We're currently working on converting the platform from its hand-crafted
clock API to using the common clock framework. Part of the overhaul will
be representing the chip's power sleep controller's reset lines using
the reset framework.

This changeset extends the core reset code with a new reset lookup
entry structure. It contains data allowing the reset core to associate
reset lines with devices by comparing the dev_id and con_id strings.

It also provides a function allowing drivers to register lookup entries
with the framework.

The new lookup function is only called as a fallback in case the
of_node field is NULL and doesn't change anything for current users.

Tested with a dummy reset driver with several lookup entries.

An example lookup table registration from a driver can be found below:

static struct reset_control_lookup foobar_reset_lookup[] = {
	RESET_LOOKUP("foo.0", "foo", 15),
	RESET_LOOKUP("bar.0", NULL,   5),
};

foobar_probe()
{
...

        reset_controller_add_lookup(&rcdev, foobar_reset_lookup,
                                    ARRAY_SIZE(foobar_reset_lookup));

...
}

Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2018-03-27 10:39:47 +02:00
Geert Uytterhoeven
b903036aad net: Spelling s/stucture/structure/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2018-03-27 09:51:23 +02:00
Rafał Miłecki
5b644aa012 mtd: partitions: add of_match_table parser matching for the "ofpart" type
In order to properly support compatibility strings as described in the
bindings/mtd/partition.txt "ofpart" type should be treated as an
indication for looking into OF. MTD should check "compatible" property
and search for a matching parser rather than blindly trying the one
supporting "fixed-partitions".

It also means that existing "fixed-partitions" parser should get renamed
to use a more meaningful name.

This commit achievies that aim by introducing a new mtd_part_of_parse().
It works by looking for a matching parser for every string in the
"compatibility" property (starting with the most specific one).

Please note that driver-specified parsers still take a precedence. It's
assumed that driver providing a parser type has a good reason for that
(e.g. having platform data with device-specific info). Also doing
otherwise could break existing setups. The same applies to using default
parsers (including "cmdlinepart") as some overwrite DT data with cmdline
argument.

Partition parsers can now provide an of_match_table to enable
flash<-->parser matching via device tree as documented in the
mtd/partition.txt.

This support is currently limited to built-in parsers as it uses
request_module() and friends. This should be sufficient for most cases
though as compiling parsers as modules isn't a common choice.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Tested-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-03-27 09:10:48 +02:00
David Rientjes
fc5d1073ca x86/mm/32: Remove unused node_memmap_size_bytes() & CONFIG_NEED_NODE_MEMMAP_SIZE logic
node_memmap_size_bytes() has been unused since the v3.9 kernel, so remove it.

Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Fixes: f03574f2d5 ("x86-32, mm: Rip out x86_32 NUMA remapping code")
Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1803262325540.256524@chino.kir.corp.google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-27 08:45:02 +02:00
Ingo Molnar
0bc91d4ba7 Linux 4.16-rc7
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Merge tag 'v4.16-rc7' into x86/mm, to fix up conflict

 Conflicts:
	arch/x86/mm/init_64.c

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-27 08:43:39 +02:00
Or Gerlitz
0c06897a9a net/mlx5: Add core support for vlan push/pop steering action
Newer NICs (ConnectX-5 and onward) can apply vlan pop or push as an
action taking place during flow steering. Add the core bits for that.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-26 13:47:13 -07:00
Moshe Shemesh
aaabd0783b net/mlx5: Add packet dropped while vport down statistics
Added the following packets dropped while vport down statistics:

Rx dropped while vport down - counts packets which were steered by
e-switch to a vport, but dropped since the vport was down. This counter
will be shown on ip link tool as part of the vport rx_dropped counter.

Tx dropped while vport down - counts packets which were transmitted by
a vport, but dropped due to vport logical link down. This counter
will be shown on ip link tool as part of the vport tx_dropped counter.

The counters are read from FW by command QUERY_VNIC_ENV.

Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-26 13:47:11 -07:00
Moshe Shemesh
5c298143be net/mlx5e: Add vnic steering drop statistics
Added the following packets drop counter:
Rx steering missed dropped packets - counts packets which were dropped
due to miss on NIC rx steering rules.
This counter will be shown on ethtool as a new counter called
rx_steer_missed_packets.

Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-26 13:47:10 -07:00
Moshe Shemesh
61c5b5c917 net/mlx5: Add support for QUERY_VNIC_ENV command
Add support for new FW command QUERY_VNIC_ENV.
The command is used by the driver to query vnic diagnostic statistics
from FW.

Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-26 13:47:10 -07:00
Inbar Karmy
2afa609f5c net/mlx5e: PFC stall prevention support
Implement set/get functions to configure PFC stall prevention
timeout by tunables api through ethtool.
By default the stall prevention timeout is configured to 8 sec.
Timeout range is: 80-8000 msec.

Enabling stall prevention with the auto timeout will set
the timeout to 100 msec.

Signed-off-by: Inbar Karmy <inbark@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-26 13:46:46 -07:00
Inbar Karmy
e1577c1c88 ethtool: Add support for configuring PFC stall prevention in ethtool
In the event where the device unexpectedly becomes unresponsive
for a long period of time, flow control mechanism may propagate
pause frames which will cause congestion spreading to the entire
network.
To prevent this scenario, when the device is stalled for a period
longer than a pre-configured timeout, flow control mechanisms are
automatically disabled.

This patch adds support for the ETHTOOL_PFC_STALL_PREVENTION
as a tunable.
This API provides support for configuring flow control storm prevention
timeout (msec).

Signed-off-by: Inbar Karmy <inbark@mellanox.com>
Cc: Michal Kubecek <mkubecek@suse.cz>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-26 13:46:46 -07:00
Inbar Karmy
2fcb12df7d net/mlx5e: Expose PFC stall prevention counters
Add the needed capability bit and counters to device spec description.
Expose the following two counters in ethtool:

tx_pause_storm_warning_events: when the device is stalled for a period
longer than a pre-configured watermark, the counter increase, allowing
the debug utility an insight into current device status.

tx_pause_storm_error_events: when the device is stalled for a period
longer than a pre-configured timeout, the pause transmission is disabled,
and the counter increase.

Signed-off-by: Inbar Karmy <inbark@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-03-26 13:42:19 -07:00
Alex Williamson
30656177c4 vfio/pci: Add ioeventfd support
The ioeventfd here is actually irqfd handling of an ioeventfd such as
supported in KVM.  A user is able to pre-program a device write to
occur when the eventfd triggers.  This is yet another instance of
eventfd-irqfd triggering between KVM and vfio.  The impetus for this
is high frequency writes to pages which are virtualized in QEMU.
Enabling this near-direct write path for selected registers within
the virtualized page can improve performance and reduce overhead.
Specifically this is initially targeted at NVIDIA graphics cards where
the driver issues a write to an MMIO register within a virtualized
region in order to allow the MSI interrupt to re-trigger.

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-03-26 13:22:58 -06:00
Yuval Mintz
8c13af2a21 ip6mr: Add refcounting to mfc
Since ipmr and ip6mr are using the same mr_mfc struct at their core, we
can now refactor the ipmr_cache_{hold,put} logic and apply refcounting
to both ipmr and ip6mr.

Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 13:14:43 -04:00
Yuval Mintz
d3c07e5b99 ip6mr: Add API for default_rule fib
Add the ability to discern whether a given FIB rule notification relates
to the default rule inserted when registering ip6mr or a different one.

Would later be used by drivers wishing to offload ipv6 multicast routes
but unable to offload rules other than the default one.

Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 13:14:43 -04:00
Yuval Mintz
088aa3eec2 ip6mr: Support fib notifications
In similar fashion to ipmr, support fib notifications for ip6mr mfc and
vif related events. This would later allow drivers to react to said
notifications and offload the IPv6 mroutes.

Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 13:14:43 -04:00
Yuval Mintz
cdc9f9443b ipmr: Make ipmr_dump() common
Since all the primitive elements used for the notification done by ipmr
are now common [mr_table, mr_mfc, vif_device] we can refactor the logic
for dumping them to a common file.

Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 13:14:43 -04:00
Yuval Mintz
54c4cad97b ipmr: Make MFC fib notifiers common
Like vif notifications, move the notifier struct for MFC as well as its
helpers into a common file; Currently they're only used by ipmr.

Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 13:14:42 -04:00
Yuval Mintz
bc67a0daf8 ipmr: Make vif fib notifiers common
The fib-notifiers are tightly coupled with the vif_device which is
already common. Move the notifier struct definition and helpers to the
common file; Currently they're only used by ipmr.

Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 13:14:42 -04:00
John Fastabend
eb82a99447 net: sched, fix OOO packets with pfifo_fast
After the qdisc lock was dropped in pfifo_fast we allow multiple
enqueue threads and dequeue threads to run in parallel. On the
enqueue side the skb bit ooo_okay is used to ensure all related
skbs are enqueued in-order. On the dequeue side though there is
no similar logic. What we observe is with fewer queues than CPUs
it is possible to re-order packets when two instances of
__qdisc_run() are running in parallel. Each thread will dequeue
a skb and then whichever thread calls the ndo op first will
be sent on the wire. This doesn't typically happen because
qdisc_run() is usually triggered by the same core that did the
enqueue. However, drivers will trigger __netif_schedule()
when queues are transitioning from stopped to awake using the
netif_tx_wake_* APIs. When this happens netif_schedule() calls
qdisc_run() on the same CPU that did the netif_tx_wake_* which
is usually done in the interrupt completion context. This CPU
is selected with the irq affinity which is unrelated to the
enqueue operations.

To resolve this we add a RUNNING bit to the qdisc to ensure
only a single dequeue per qdisc is running. Enqueue and dequeue
operations can still run in parallel and also on multi queue
NICs we can still have a dequeue in-flight per qdisc, which
is typically per CPU.

Fixes: c5ad119fb6 ("net: sched: pfifo_fast use skb_array")
Reported-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 12:36:23 -04:00
Kirill Tkhai
070f2d7e26 net: Drop NETDEV_UNREGISTER_FINAL
Last user is gone after bdf5bd7f21 "rds: tcp: remove
register_netdevice_notifier infrastructure.", so we can
remove this netdevice command. This allows to delete
rtnl_lock() in netdev_run_todo(), which is hot path for
net namespace unregistration.

dev_change_net_namespace() and netdev_wait_allrefs()
have rcu_barrier() before NETDEV_UNREGISTER_FINAL call,
and the source commits say they were introduced to
delemit the call with NETDEV_UNREGISTER, but this patch
leaves them on the places, since they require additional
analysis, whether we need in them for something else.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 11:34:00 -04:00
Kirill Tkhai
ede2762d93 net: Make NETDEV_XXX commands enum { }
This patch is preparation to drop NETDEV_UNREGISTER_FINAL.
Since the cmd is used in usnic_ib_netdev_event_to_string()
to get cmd name, after plain removing NETDEV_UNREGISTER_FINAL
from everywhere, we'd have holes in event2str[] in this
function.

Instead of that, let's make NETDEV_XXX commands names
available for everyone, and to define netdev_cmd_to_name()
in the way we won't have to shaffle names after their
numbers are changed.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26 11:33:26 -04:00
Sagi Grimberg
a470143fc8 net/utils: Introduce inet_addr_is_any
Can be useful to check INET_ANY address for both ipv4/ipv6 addresses.

Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-03-26 08:53:43 -06:00
Arnd Bergmann
a9762b704f usb: musb: remove blackfin port
The blackfin architecture is getting removed, so we can clean up
all the special cases in the musb driver.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Aaron Wu <aaron.wu@analog.com>
Acked-by: Bin Liu <b-liu@ti.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
[arnd: adding in fixups from Aaron and Stephen]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:57:12 +02:00
Arnd Bergmann
03f4c9abd7 usb: host: remove tilegx platform glue
The tile architecture is getting removed, so the ehci and ohci platform
glue drivers are no longer needed. In case of ohci, this is the last
one to define a PLATFORM_DRIVER macro, so we can remove even more.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:57:10 +02:00
Arnd Bergmann
c957ea5c79 input: misc: remove blackfin rotary driver
The blackfin architecture is getting removed, so this
one is obsolete as well.

Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:59 +02:00
Arnd Bergmann
f59b2dc2de pinctrl: remove adi2/blackfin drivers
The blackfin architecture is getting removed, so these are
now obsolete.

Acked-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:55 +02:00
Arnd Bergmann
3e3a5f7d57 media: platform: remove blackfin capture driver
The blackfin architecture is getting removed, so the video
capture driver is also obsolete.

Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:47 +02:00
Arnd Bergmann
e3ed8b436b fbdev: remove blackfin drivers
The blackfin architecture is getting removed, this removes the
associated fbdev drivers as well.

Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:44 +02:00
Arnd Bergmann
8cbfbae850 video/logo: remove obsolete logo files
The blackfin and m32r architectures are getting removed, so it's
time to clean up the logos as well.

Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:42 +02:00
Arnd Bergmann
889ce12b16 raid: remove tile specific raid6 implementation
The Tile architecture is getting removed, so we no longer need this either.

Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:28 +02:00
Arnd Bergmann
768a032d0e net: adi: remove blackfin ethernet drivers
The blackfin architecture is getting removed, so the bfin_mac driver
is now obsolete.

Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:20 +02:00
Arnd Bergmann
a0673fdbcd asm-generic: clean up asm/unistd.h
The score architecture used a number of old system calls for compatibility
with a traditional libc port, all architectures that got added later
skip these. With score out of the way, we can finally clean up the
syscall list to no longer provide these.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:08 +02:00
Arnd Bergmann
a402ab8cc7 asm-generic: siginfo: define ia64 si_codes unconditionally
Unlike system call numbers the assignment of si_codes has never had a
reason to be made per architecture.  Some architectures have had unique
conditions to report and reporting those conditions needed new si_codes.
Nothing has ever needed si_codes to have different values on different
architectures.  The si_code space is vast so even with defining all
si_codes on all architectures there is no danger in running out of
si_code values.

The history of the si_codes BUS_MCEERR_AR, BUS_MCEER_AO, SEGV_BNDERR,
and SEGV_PKUERR show that a need of one architecture frequently becomes
a need of another architecture which makes sharing si_codes between
architectures a positive benefit and something to be encouraged.

Where there are no conflicts with the historical ia64 arch specific
si_codes and any other si_codes make them generic si_codes.  We might
need them on another architecture someday.

This leaves only the good example of arch generic si_codes in the kernel
for future architectures and architecture enhancments to follow.
Without bad examples to follow it should be easy to avoid the mistakes
of the past.

Reported-by: Eric W. Biederman <ebiederm@xmission.com>
[arnd: took Eric's changelog text]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:06 +02:00
Arnd Bergmann
3f664931b3 asm-generic: siginfo: remove obsolete #ifdefs
The frv, tile and blackfin architectures are being removed, so
we can clean up this header by removing all the special cases
except those for ia64.

The SEGV_BNDERR and BUS_MCEERR_AR si_code macros are now
defined unconditionally on all remaining architectures.

Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:05 +02:00
Arnd Bergmann
a687a53370 treewide: simplify Kconfig dependencies for removed archs
A lot of Kconfig symbols have architecture specific dependencies.
In those cases that depend on architectures we have already removed,
they can be omitted.

Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:55:57 +02:00
Nikolay Borisov
df91f56adc libcrc32c: Add crc32c_impl function
This function returns a string with the currently in-use implementation
of the crc32c algorithm, i.e crc32c-generic (for unoptimised, generic
implementation) or crc32c-intel for the sse optimised version. This
will be used by btrfs.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
[ use crypto_shash_driver_name as suggested by Herbert ]
Signed-off-by: David Sterba <dsterba@suse.com>
2018-03-26 15:09:38 +02:00
Liu Bo
393da91819 Btrfs: add tracepoint for em's EEXIST case
This is adding a tracepoint 'btrfs_handle_em_exist' to help debug the
subtle bugs around merge_extent_mapping.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2018-03-26 15:09:38 +02:00
Ritesh Harjani
b91ed9d808 quota: Kill an unused extern entry form quota.h
Kill an unused extern entry from quota.h
which is leftover of below patch.

[f32764bd2: quota: Convert quota statistics to generic percpu_counter]

Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
Signed-off-by: Jan Kara <jack@suse.cz>
2018-03-26 13:11:35 +02:00
Martin KaFai Lau
77d2e05abd bpf: Add bpf_verifier_vlog() and bpf_verifier_log_needed()
The BTF (BPF Type Format) verifier needs to reuse the current
BPF verifier log.  Hence, it requires the following changes:

(1) Expose log_write() in verifier.c for other users.
    Its name is renamed to bpf_verifier_vlog().

(2) The BTF verifier also needs to check
'log->level && log->ubuf && !bpf_verifier_log_full(log);'
independently outside of the current log_write().  It is
because the BTF verifier will do one-check before
making multiple calls to btf_verifier_vlog to log
the details of a type.

Hence, this check is also re-factored to a new function
bpf_verifier_log_needed().  Since it is re-factored,
we can check it before va_start() in the current
bpf_verifier_log_write() and verbose().

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-03-26 09:58:17 +02:00
Martin KaFai Lau
b9193c1b61 bpf: Rename bpf_verifer_log
bpf_verifer_log =>
bpf_verifier_log

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-03-26 09:58:17 +02:00
David S. Miller
996bfed118 wireless-drivers-next patches for 4.17
The biggest changes are the bluetooth related patches to the rsi
 driver. It adds a new bluetooth driver which communicates directly
 with the wireless driver and the interface is defined in
 include/net/rsi_91x.h.
 
 Major changes:
 
 wl1251
 
 * read the MAC address from the NVS file
 
 rtlwifi
 
 * enable mac80211 fast-tx support
 
 mt76
 
 * add capability to select tx/rx antennas
 
 mt7601
 
 * let mac80211 validate rx CCMP Packet Number (PN)
 
 rsi
 
 * bluetooth: add new btrsi driver
 
 * btcoex support with the new btrsi driver
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Merge tag 'wireless-drivers-next-for-davem-2018-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.17

The biggest changes are the bluetooth related patches to the rsi
driver. It adds a new bluetooth driver which communicates directly
with the wireless driver and the interface is defined in
include/net/rsi_91x.h.

Major changes:

wl1251

* read the MAC address from the NVS file

rtlwifi

* enable mac80211 fast-tx support

mt76

* add capability to select tx/rx antennas

mt7601

* let mac80211 validate rx CCMP Packet Number (PN)

rsi

* bluetooth: add new btrsi driver

* btcoex support with the new btrsi driver
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-25 21:27:38 -04:00
Dave Airlie
33d009cd88 Merge branch 'drm-next-4.17' of git://people.freedesktop.org/~agd5f/linux into drm-next
Last pull for 4.17.  Highlights:
- Vega12 support
- A few more bug fixes and cleanups for powerplay

* 'drm-next-4.17' of git://people.freedesktop.org/~agd5f/linux: (77 commits)
  drm/amd/pp: clean header file hwmgr.h
  drm/amd/pp: use mlck_table.count for array loop index limit
  drm/amdgpu: Add an ATPX quirk for hybrid laptop
  drm/amdgpu: fix spelling mistake: "asssert" -> "assert"
  drm/amd/pp: Add new asic support in pp_psm.c
  drm/amd/pp: Clean up powerplay code on Vega12
  drm/amd/pp: Add smu irq handlers for legacy asics
  drm/amd/pp: Fix set wrong temperature range on smu7
  drm/amdgpu: Don't change preferred domian when fallback GTT v5
  drm/amdgpu: Fix NULL ptr on driver unload due to init failure.
  drm/amdgpu: fix "mitigate workaround for i915"
  drm/amd/pp: Add smu irq handlers in sw_init instand of hw_init
  drm/amd/pp: Refine register_thermal_interrupt function
  drm/amdgpu: Remove wrapper layer of cgs irq handling
  drm/amd/powerplay: Return per DPM level clock
  drm/amd/powerplay: Remove the SOC floor voltage setting
  drm/amdgpu: no job timeout setting on compute queues
  drm/amdgpu: add vega12 pci ids (v2)
  drm/amd/powerplay: add the hw manager for vega12 (v4)
  drm/amd/powerplay: add the smu manager for vega12 (v4)
  ...
2018-03-26 10:01:11 +10:00