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The callers of these functions are all within RCU locked sections
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Update the out-dated comments as well, and have them point to
the correct sections in the D4.0 spec.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since an element is limited to 255 octets, a profile may be split
split to several elements. Support the split as defined in the 11ax
draft 3.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since an element is limited to 255 octets, a profile may be split
split to several elements. Support the split as defined in the 11ax
draft 3. Detect legacy split and print a net-rate limited warning,
since there is no ROI in supporting this probably non-existent
split.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Subelement profile may specify element IDs it doesn't inherit
from the management frame. Support it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Subelement profile may specify element IDs it doesn't inherit
from the management frame. Support it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When creating the IEs for the nontransmitted BSS, the index
element is skipped. However, we need to get DTIM values from
it, so don't skip it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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P2P device interface type was not indicated in the supported
interface types even when hwsim was configured with p2p device
support. Fix it.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The iwlwifi driver creates one rule per channel, thus it needs more
rules than normal. To solve this, increase NL80211_MAX_SUPP_REG_RULES
so iwlwifi can also fit UHB (ultra high band) channels.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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With git commit 1e941d39493f1820475d80729a03cd7ab8c3c86d
"s390: move ipl block to .boot.preserved.data section" the earl_ipl_block
got renamed to ipl_block and became publicly available via boot_data.h.
This might cause problems with zcore, which has it's own ipl_block
variable. Thus rename the ipl_block in zcore to prevent name collision
and highlight that it's only used locally.
Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Fixes: 1e941d39493f ("s390: move ipl block to .boot.preserved.data section")
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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In order to be able to sign the bzImage independent of the block size
of the IPL device, align the bzImage to 4096 bytes.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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PR: Adjusted to the use in kexec_file later.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Read the IPL Report block provided by secure-boot, add the entries
of the certificate list to the system key ring and print the list
of components.
PR: Adjust to Vasilys bootdata_preserved patch set. Preserve ipl_cert_list
for later use in kexec_file.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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To transport the information required for secure boot a new IPL report
will be created at boot time. It will be written to memory right after
the IPL parameter block. To work with the IPL report a couple of
additional structure definitions are added the the uapi/ipl.h header.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The IPL parameter block is used as an interface between Linux and
the machine to query and change the boot device and boot options.
To be able to create IPL parameter block in user space and pass it
as segment to kexec provide an uapi header with proper structure
definitions for the block.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The ipl_info union in struct ipl_parameter_block has the same name as
the struct ipl_info. This does not help while reading the code and the
union in struct ipl_parameter_block does not need to be named. Drop
the name from the union.
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Move flush_tlb_info variables off the stack. This allows to align
flush_tlb_info to cache-line and avoid potentially unnecessary cache
line movements. It also allows to have a fixed virtual-to-physical
translation of the variables, which reduces TLB misses.
Use per-CPU struct for flush_tlb_mm_range() and
flush_tlb_kernel_range(). Add debug assertions to ensure there are
no nested TLB flushes that might overwrite the per-CPU data. For
arch_tlbbatch_flush() use a const struct.
Results when running a microbenchmarks that performs 10^6 MADV_DONTEED
operations and touching a page, in which 3 additional threads run a
busy-wait loop (5 runs, PTI and retpolines are turned off):
base off-stack
---- ---------
avg (usec/op) 1.629 1.570 (-3%)
stddev 0.014 0.009
Signed-off-by: Nadav Amit <namit@vmware.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20190425230143.7008-1-namit@vmware.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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sky81452_reg_ops is never changed, make it const.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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All the fields in struct sy8106a are only used in sy8106a_i2c_probe(), so
use local variables instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Temporary failures to get a regulator (EPROBE_DEFER) should be logged
as debug information instead of errors.
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Convert MediaTek mt63xx PMIC drivers to SPDX identifier.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The *regmap and *rdev can be replaced by local variables.
The slew_rate is no longer used since commit dd7e71fbeefe
("regulator: fan53555: use set_ramp_delay to set the ramp up slew rate").
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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After converting to use simplified DT parsing, the struct ltc3589_regulator
only has a desc member. So let's remove struct ltc3589_regulator and use
struct regulator_desc instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use regulator core's simplified DT parsing code to simplify the driver
implementation.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Simplify init_termios which is only used to override the initial
baudrate.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Simplify init_termios which is only used to override the initial
baudrate.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Override the initial terminal settings provided by core directly instead
of first resetting them to tty_std_termios.
Also reorder the cflags as they are usually seen (in bit order).
Signed-off-by: Johan Hovold <johan@kernel.org>
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Drop bogus TIOCM_CTS, which is not a cflag, from the initial terminal
settings.
Note that the corresponding bit is already set by CS8.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Now that init_termios() is only called on first use, we can clean up the
cypress_m8 initial-termios handling.
Note that only the earthmate chip type used settings different from the
defaults provided by USB serial core, and that the chip type is indeed
known when init_termios is called at tty-install time.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Drop driver termios structure that held a copy of the tty termios for
no good reason.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Drop the isthrottled flag which has never been used.
Signed-off-by: Johan Hovold <johan@kernel.org>
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The initial terminal settings set by the driver matches the default
settings provided by core so drop the redundant init_termios callback.
Signed-off-by: Johan Hovold <johan@kernel.org>
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The USB-serial driver init_termios callback is used to override the
default initial terminal settings provided by USB-serial core.
After a bug was fixed in the original implementation introduced by
commit fe1ae7fdd2ee ("tty: USB serial termios bits"), the init_termios
callback was no longer called just once on first use as intended but
rather on every (first) open.
This specifically meant that the terminal settings saved on (final)
close were ignored when reopening a port for drivers overriding the
initial settings.
Also update the outdated function header referring to the creation of
termios objects.
Fixes: 7e29bb4b779f ("usb-serial: fix termios initialization logic")
Signed-off-by: Johan Hovold <johan@kernel.org>
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Alexei Starovoitov says:
====================
pull-request: bpf 2019-04-25
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) the bpf verifier fix to properly mark registers in all stack frames, from Paul.
2) preempt_enable_no_resched->preempt_enable fix, from Peter.
3) other misc fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jiri Pirko says:
====================
netdevsim: implement proper device model
Currently the model of netdevsim is a bit odd in multiple ways.
1) devlink instance is not in any way related with actual netdevsim
netdevices. Instead, it is created per-namespace.
2) multi-port netdevsim device is done using "link" attribute.
3) netdevsim bus is there only to have something to bind the netdev to,
it really does not act as a bus.
4) netdevsim instances are created by "ip link add" which is great for
soft devices with no hw backend. The rtnl core allocates netdev and
calls into driver holding rtnl mutex. For hw-backed devices, this
flow is wrong as it breaks order in which things are done.
This patchset adjust netdevsim to fix all above.
In order to support proper devlink and devlink port instances and to be
able to emulate real devices, there is need to implement bus probe and
instantiate everything from there. User can specify device id and port
count to be instantianted. For example:
$ echo "10 4" > /sys/bus/netdevsim/new_device
Then devlink shows this:
$ devlink dev
netdevsim/netdevsim10
$ devlink port
netdevsim/netdevsim10/0: type eth netdev eni0np1 flavour physical
netdevsim/netdevsim10/1: type eth netdev eni0np2 flavour physical
netdevsim/netdevsim10/2: type eth netdev eni0np3 flavour physical
netdevsim/netdevsim10/3: type eth netdev eni0np4 flavour physical
There is possible to add and delete ports using their indexes
during netdevsim device lifetime like this:
Then devlink shows this:
$ devlink port
netdevsim/netdevsim10/1: type eth netdev eni10np2 flavour physical
netdevsim/netdevsim10/2: type eth netdev eni10np3 flavour physical
netdevsim/netdevsim10/3: type eth netdev eni10np4 flavour physical
netdevsim/netdevsim10/43: type eth netdev eni10np44 flavour physical
Debugfs topology is also adjusted a bit. The rest stays the same as
before.
Udev bits are merged un systemd upstream git:
https://github.com/systemd/systemd/commit/eaa9d507d85509c8bf727356e3884ec54b0fc646
See individual patches for changelog.
====================
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement ndo_get_devlink_port and allow switch_id and port_name to be
handled by devlink.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the existing way to create netdevsim over rtnetlink and move the
netdev creation/destruction to dev probe, so for every probed port,
a netdevsim-netdev instance is created.
Adjust selftests to work with new interface.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to test flows in core, it is beneficial to maintain previously
supported possibility to add and delete ports during netdevsim lifetime.
Do it by extending device sysfs attrs by "new_port" and "del_port".
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement netdevsim bus probing of netdevsim devices. For every probed
device create a devlink instance. According to the user-passed value,
create a number of ports represented by devlink port instances.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With the model where dev is represented by devlink and ports are
represented by devlink ports, make debugfs file names independent
on netdev names. Change the topology to the one illustrated
by the following example:
$ ls /sys/kernel/debug/netdevsim/
netdevsim1
$ ls /sys/kernel/debug/netdevsim/netdevsim1/
bpf_bind_accept bpf_bind_verifier_delay bpf_bound_progs ports
$ ls /sys/kernel/debug/netdevsim/netdevsim1/ports/
0 1
$ ls /sys/kernel/debug/netdevsim/netdevsim1/ports/0/
bpf_map_accept bpf_offloaded_id bpf_tc_accept bpf_tc_non_bound_accept bpf_xdpdrv_accept bpf_xdpoffload_accept dev ipsec
$ ls /sys/kernel/debug/netdevsim/netdevsim1/ports/0/dev -l
lrwxrwxrwx 1 root root 0 Apr 13 15:58 /sys/kernel/debug/netdevsim/netdevsim1/ports/0/dev -> ../../../netdevsim1
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current implementation of parent_id/switch_id does not follow the
original idea of being unique. The values are "0", "1", etc. Instead of
that, generate 32 random bytes.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As previously introduce dev which is mapped 1:1 to a bus device covers
the purpose of the original shared device, merge the sdev code into dev.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These functions are going to be called from bus probe/release(),
therefore make them independent on ns struct and rename accordingly.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a way to add new netdevsim device on netdevsim bus and also to
delete existing netdevsim device from the bus. Track the bus devices
in using a list.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of increments of u32 value, use ida to manage bus device ids.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to bus probing to work correctly, register a simple netdevsim
driver implementation.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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