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Extract the allocation and filling in the control message header fields
to a separate function in order to reuse this in subsequent patches.
Cc: Courtney Cavin <ccavin@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove unnecessary variable assignments.
Addresses-Coverity-ID: 1226917
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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DRAM supply shortage and poor memory pressure tracking in TCP
stack makes any change in SO_SNDBUF/SO_RCVBUF (or equivalent autotuning
limits) and tcp_mem[] quite hazardous.
TCPMemoryPressures SNMP counter is an indication of tcp_mem sysctl
limits being hit, but only tracking number of transitions.
If TCP stack behavior under stress was perfect :
1) It would maintain memory usage close to the limit.
2) Memory pressure state would be entered for short times.
We certainly prefer 100 events lasting 10ms compared to one event
lasting 200 seconds.
This patch adds a new SNMP counter tracking cumulative duration of
memory pressure events, given in ms units.
$ cat /proc/sys/net/ipv4/tcp_mem
3088 4117 6176
$ grep TCP /proc/net/sockstat
TCP: inuse 180 orphan 0 tw 2 alloc 234 mem 4140
$ nstat -n ; sleep 10 ; nstat |grep Pressure
TcpExtTCPMemoryPressures 1700
TcpExtTCPMemoryPressuresChrono 5209
v2: Used EXPORT_SYMBOL_GPL() instead of EXPORT_SYMBOL() as David
instructed.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet says:
====================
tcp: Namespaceify 3 sysctls
Move tcp_sack, tcp_window_scaling and tcp_timestamps
sysctls to network namespaces.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We want to move some TCP sysctls to net namespaces in the future.
tcp_window_scaling, tcp_sack and tcp_timestamps being fetched
from tcp_parse_options(), we need to pass an extra parameter.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to push the chain index down to the drivers, so they have the
information to which chain the rule belongs. For now, no driver supports
multichain offload, so only chain 0 is supported. This is needed to
prevent chain squashes during offload for now. Later this will be used
to implement multichain offload.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tariq Toukan says:
====================
mlx4 drivers: version update
This patchset contains version updates for the MLX4 drivers:
Core, EN, and IB.
Just like we've done in mlx5, we modify the outdated driver
version (reported in ethtool for example).
This better reflects the current driver state, and removes the
redundant date string.
We are not going to change this frequently or even use it.
I include the IB patch in this series as it has similar subject
and content.
It does not cause any kind of conflict with Doug's tree.
The rdma mailing list is CCed.
Please let me know if I need to submit this differently.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove date and bump version for mlx4_ib driver.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove date and bump version for mlx4_en driver.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove date and bump version for mlx4_core driver.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mv88e6161 and mv88e6123 are capable of using EDSA tags when
passing frames from the host to the switch and back.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When stopping the vxlan interface we detach it from the socket.
Use RCU_INIT_POINTER() and not rcu_assign_pointer() to do so.
Suggested-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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the adapter consumes two tids for every ipv6 offload
connection be it active or passive, calculate tid usage
count accordingly.
Also change the signatures of relevant functions to get
the address family.
Signed-off-by: Rizwan Ansari <rizwana@chelsio.com>
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski says:
====================
nfp: ctrl vNIC
This series adds the ability to use one vNIC as a control channel
for passing messages to and from the application firmware. The
implementation restructures the existing netdev vNIC code to be able
to deal with nfp_nets with netdev pointer set to NULL. Control vNICs
are not visible to userspace (other than for dumping ring state), and
since they don't have netdevs we use a tasklet for RX and simple skb
list for TX queuing.
Due to special status of the control vNIC we have to reshuffle the
init code a bit to make sure control vNIC will be fully brought up
(and therefore communication with app FW can happen) before any netdev
or port is visible to user space.
FW will designate which vNIC is supposed to be used as control one
by setting _pf%u_net_ctrl_bar symbol. Some FWs depend on metadata
being prepended to control message, some prefer to look at queue ID
to decide that something is a control message. Our implementation
can cater to both.
First two users of this code will be eBPF maps and flower offloads.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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NFD ABI 0.5 is equivalent to NFD ABI 3.0 but requires that the
driver checks the APP id symbol and makes sure it can support
given app. Most advanced apps will likely require control vNIC
(ability to exchange control messages between the driver and
app FW). Detailed app version checking and capability exchange
is left to app-specific code.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When driver encounters an nfp_app which has a control message handler
defined, allocate a control vNIC. This control channel will be used
to exchange data with the application FW such as flow table programming,
statistics and global datapath control.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Thus far the code assumed all vNICs will request similar number of IRQs.
This will be no longer true with control vNICs (where 1 IRQ will suffice).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We want to be able to create a special vNIC for control messages.
This vNIC should be created before any netdev is registered to allow
nfp_app logic to exchange messages with the FW app before any netdev
is visible to user space. Unfortunately we can't enable IRQs until
we know how many vNICs we will need to spawn.
Divide the function which spawns netdevs for vNICs into three parts:
- vNIC/memory allocation;
- IRQ allocation;
- netdev init and register.
This will help us insert the initialization of the control channel
after IRQ allocation but before netdev init and register.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading fw version from the BAR is trivial. Don't pass it around
through layers of init functions, simply read it again where needed.
This commit has the side effect of each vNIC having the exact NFD
version from its own control memory, rather than all data vNICs
assuming the version of the first one. This should not result in
user-visible changes, though. Capabilities of data vNICs of trival
apps are identical.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RX and TX queue controllers are interleaved. Instead of creating
two mappings which map the same area at slightly different offset,
create only one mapping. Always map all queue controllers to simplify
the code and allow reusing the mapping for non-data vNICs.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We will soon need to map control vNIC PCI memory as well as data vNIC
memory. Make the function for mapping areas pointed to by an RTsym
reusable.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since control vNICs don't have a netdev, they can't use napi and
queuing stack provides. Add simple tasklet-based data receive
and send of control messages with queuing on a skb_list.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Out of the three stages of ifup/ifdown (allocate, configure, start)
- this commit prepares the configuration stage for working with
control vNICs.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vNICs used for sending and receiving control messages shouldn't
really have a netdev. Add the ability to initialize vNICs for
netdev-less operation.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We want to be able to inspect the state of descriptor rings of
the control vNIC, so it will use the same interface as data vNICs.
Make sure the code doesn't use netdevs to determine state
of the rings and names things appropriately.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To be able to reuse print macros easily with control vNICs make the
macros check if netdev pointer is populated and use dev_* print
functions otherwise.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move nfp_net_vecs_init() after all datapath functions. We will need
to init poll() callbacks from this function soon.
No functional changes.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On the close path reuse the ring free helpers introduced for runtime
reconfiguration.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Our open/close implementations have 3 stages:
- allocation/freeing of ring resources, irqs etc.,
- device config,
- device/stack enable (can't fail).
Right now all of those stages are placed in separate functions,
apart from allocation during open. Fix that. It will make it
easier for us to allocate resources for netdev-less vNICs.
Because we want to reuse allocation code in netdev-less vNICs
leave the netif_set_real_num_[rt]x_queues() calls inside open.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We will soon reuse parts of .ndo_stop() for clean up after errors
in .ndo_open(). Reorder the associated functions to make that possible.
No functional changes.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Both the IMX51 and IMX53 datasheet indicates that the MIB counters
should be cleared during setup. Otherwise random numbers are returned
via ethtool -S. Add a quirk and a function to do this.
Tested on an IMX51.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just some simple overlapping changes in marvell PHY driver
and the DSA core code.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Russell King says:
====================
net: Add phylib support for MV88X3310 10G phy
This patch series adds support for the Marvell 88x3310 PHY found on
the SolidRun Macchiatobin board.
The first patch introduces a set of generic Clause 45 PHY helpers that
C45 PHY drivers can make use of if they wish.
Patch 2 ensures that the Clause 22 aneg_done function will not be
called for incompatible Clause 45 PHYs.
Patch 3 fixes the aneg restart to be compatible with C45 PHYs - it can
currently only cope with C22 PHYs.
Patch 4 moves the "gen10g" driver into the Clause 45 code, grouping all
core clause 45 code together.
Patch 5 adds the phy_interface_t types for XAUI and 10GBase-KR links.
As 10GBase-KR appears to be compatible with XFI and SFI, XFI and SFI,
I currently see no reason to add XFI and SFI interface modes. There
seems to be vendor code out there using these, but they all alias back
to the same hardware settings.
Patch 6 adds support for the MV88X3310 PHY, which supports both the
copper and fiber interfaces. It should be noted that the MV88X3310
automatically switches its MAC facing interface between 10GBase-KR
and SGMII depending on the negotiated speed. This was discussed with
Florian, and we agreed to update the phy interface mode depending on
the properties of the actual link mode to the PHY.
v2:
- update sysfs-class-net-phydev documentation
- avoid genphy_aneg_done for non-C22 PHYs
- expand comment about 0x30 constant
- add comment about lack of reset
- configure driver using MARVELL_10G_PHY
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add phylib support for the Marvell Alaska X 10 Gigabit PHY (MV88X3310).
This phy is able to operate at 10G, 1G, 100M and 10M speeds, and only
supports Clause 45 accesses.
The PHY appears (based on the vendor IDs) to be two different vendors
IP, with each devad containing several instances.
This PHY driver has only been tested with the RJ45 copper port, fiber
port and a Marvell Armada 8040-based ethernet interface.
It should be noted that to use the full range of speeds, MAC drivers
need to also reconfigure the link mode as per phydev->interface, since
the PHY automatically changes its interface mode depending on the
negotiated speed.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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XAUI allows XGMII to reach an extended distance by using a XGXS layer at
each end of the MAC to PHY link, operating over four Serdes lanes.
10GBASE-KR is a single lane Serdes backplane ethernet connection method
with autonegotiation on the link. Some PHYs use this to connect to the
ethernet interface at 10G speeds, switching to other connection types
when utilising slower speeds.
10GBASE-KR is also used for XFI and SFI to connect to XFP and SFP fiber
modules.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the old 10G genphy support to sit beside the new clause 45 library
functions, so all the 10G phy code is together.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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genphy_restart_aneg() can only restart autonegotiation on clause 22
PHYs. Add a phy_restart_aneg() function which selects between the
clause 22 and clause 45 restart functionality depending on the PHY
type and whether the Clause 45 PHY supports the Clause 22 register set.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid calling genphy_aneg_done() for PHYs that do not implement the
Clause 22 register set.
Clause 45 PHYs may implement the Clause 22 register set along with the
Clause 22 extension MMD. Hence, we can't simply block access to the
Clause 22 functions based on the PHY being a Clause 45 PHY.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add generic helpers for 802.3 clause 45 PHYs for >= 10Gbps support.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) Made TCP congestion control documentation match current reality,
from Anmol Sarma.
2) Various build warning and failure fixes from Arnd Bergmann.
3) Fix SKB list leak in ipv6_gso_segment().
4) Use after free in ravb driver, from Eugeniu Rosca.
5) Don't use udp_poll() in ping protocol driver, from Eric Dumazet.
6) Don't crash in PCI error recovery of cxgb4 driver, from Guilherme
Piccoli.
7) _SRC_NAT_DONE_BIT needs to be cleared using atomics, from Liping
Zhang.
8) Use after free in vxlan deletion, from Mark Bloch.
9) Fix ordering of NAPI poll enabled in ethoc driver, from Max
Filippov.
10) Fix stmmac hangs with TSO, from Niklas Cassel.
11) Fix crash in CALIPSO ipv6, from Richard Haines.
12) Clear nh_flags properly on mpls link up. From Roopa Prabhu.
13) Fix regression in sk_err socket error queue handling, noticed by
ping applications. From Soheil Hassas Yeganeh.
14) Update mlx4/mlx5 MAINTAINERS information.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (78 commits)
net: stmmac: fix a broken u32 less than zero check
net: stmmac: fix completely hung TX when using TSO
net: ethoc: enable NAPI before poll may be scheduled
net: bridge: fix a null pointer dereference in br_afspec
ravb: Fix use-after-free on `ifconfig eth0 down`
net/ipv6: Fix CALIPSO causing GPF with datagram support
net: stmmac: ensure jumbo_frm error return is correctly checked for -ve value
Revert "sit: reload iphdr in ipip6_rcv"
i40e/i40evf: proper update of the page_offset field
i40e: Fix state flags for bit set and clean operations of PF
iwlwifi: fix host command memory leaks
iwlwifi: fix min API version for 7265D, 3168, 8000 and 8265
iwlwifi: mvm: clear new beacon command template struct
iwlwifi: mvm: don't fail when removing a key from an inexisting sta
iwlwifi: pcie: only use d0i3 in suspend/resume if system_pm is set to d0i3
iwlwifi: mvm: fix firmware debug restart recording
iwlwifi: tt: move ucode_loaded check under mutex
iwlwifi: mvm: support ibss in dqa mode
iwlwifi: mvm: Fix command queue number on d0i3 flow
iwlwifi: mvm: rs: start using LQ command color
...
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Pull sparc fixes from David Miller:
1) Fix TLB context wrap races, from Pavel Tatashin.
2) Cure some gcc-7 build issues.
3) Handle invalid setup_hugepagesz command line values properly, from
Liam R Howlett.
4) Copy TSB using the correct address shift for the huge TSB, from Mike
Kravetz.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: delete old wrap code
sparc64: new context wrap
sparc64: add per-cpu mm of secondary contexts
sparc64: redefine first version
sparc64: combine activate_mm and switch_mm
sparc64: reset mm cpumask after wrap
sparc/mm/hugepages: Fix setup_hugepagesz for invalid values.
sparc: Machine description indices can vary
sparc64: mm: fix copy_tsb to correctly copy huge page TSBs
arch/sparc: support NR_CPUS = 4096
sparc64: Add __multi3 for gcc 7.x and later.
sparc64: Fix build warnings with gcc 7.
arch/sparc: increase CONFIG_NODES_SHIFT on SPARC64 to 5
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GCC explicitly does not warn for unused static inline functions for
-Wunused-function. The manual states:
Warn whenever a static function is declared but not defined or
a non-inline static function is unused.
Clang does warn for static inline functions that are unused.
It turns out that suppressing the warnings avoids potentially complex
#ifdef directives, which also reduces LOC.
Suppress the warning for clang.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pavel Tatashin says:
====================
sparc64: context wrap fixes
This patch series contains fixes for context wrap: when we are out of
context ids, and need to get a new version.
It fixes memory corruption issues which happen when more than number of
context ids (currently set to 8K) number of processes are started
simultaneously, and processes can get a wrong context.
sparc64: new context wrap:
- contains explanation of new wrap method, and also explanation of races
that it solves
sparc64: reset mm cpumask after wrap
- explains issue of not reseting cpu mask on a wrap
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The old method that is using xcall and softint to get new context id is
deleted, as it is replaced by a method of using per_cpu_secondary_mm
without xcall to perform the context wrap.
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Bob Picco <bob.picco@oracle.com>
Reviewed-by: Steven Sistare <steven.sistare@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current wrap implementation has a race issue: it is called outside of
the ctx_alloc_lock, and also does not wait for all CPUs to complete the
wrap. This means that a thread can get a new context with a new version
and another thread might still be running with the same context. The
problem is especially severe on CPUs with shared TLBs, like sun4v. I used
the following test to very quickly reproduce the problem:
- start over 8K processes (must be more than context IDs)
- write and read values at a memory location in every process.
Very quickly memory corruptions start happening, and what we read back
does not equal what we wrote.
Several approaches were explored before settling on this one:
Approach 1:
Move smp_new_mmu_context_version() inside ctx_alloc_lock, and wait for
every process to complete the wrap. (Note: every CPU must WAIT before
leaving smp_new_mmu_context_version_client() until every one arrives).
This approach ends up with deadlocks, as some threads own locks which other
threads are waiting for, and they never receive softint until these threads
exit smp_new_mmu_context_version_client(). Since we do not allow the exit,
deadlock happens.
Approach 2:
Handle wrap right during mondo interrupt. Use etrap/rtrap to enter into
into C code, and issue new versions to every CPU.
This approach adds some overhead to runtime: in switch_mm() we must add
some checks to make sure that versions have not changed due to wrap while
we were loading the new secondary context. (could be protected by PSTATE_IE
but that degrades performance as on M7 and older CPUs as it takes 50 cycles
for each access). Also, we still need a global per-cpu array of MMs to know
where we need to load new contexts, otherwise we can change context to a
thread that is going way (if we received mondo between switch_mm() and
switch_to() time). Finally, there are some issues with window registers in
rtrap() when context IDs are changed during CPU mondo time.
The approach in this patch is the simplest and has almost no impact on
runtime. We use the array with mm's where last secondary contexts were
loaded onto CPUs and bump their versions to the new generation without
changing context IDs. If a new process comes in to get a context ID, it
will go through get_new_mmu_context() because of version mismatch. But the
running processes do not need to be interrupted. And wrap is quicker as we
do not need to xcall and wait for everyone to receive and complete wrap.
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Bob Picco <bob.picco@oracle.com>
Reviewed-by: Steven Sistare <steven.sistare@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new wrap is going to use information from this array to figure out
mm's that currently have valid secondary contexts setup.
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Bob Picco <bob.picco@oracle.com>
Reviewed-by: Steven Sistare <steven.sistare@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CTX_FIRST_VERSION defines the first context version, but also it defines
first context. This patch redefines it to only include the first context
version.
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Bob Picco <bob.picco@oracle.com>
Reviewed-by: Steven Sistare <steven.sistare@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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