Commit Graph

918682 Commits

Author SHA1 Message Date
Vladimir Oltean
fa83e5d918 net: dsa: sja1105: allow VLAN configuration from the bridge in all states
Let the DSA core call our .port_vlan_add methods every time the bridge
layer requests so. We will deal internally with saving/restoring VLANs
depending on our VLAN awareness state.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 13:08:08 -07:00
Vladimir Oltean
ec5ae61076 net: dsa: sja1105: save/restore VLANs using a delta commit method
Managing the VLAN table that is present in hardware will become very
difficult once we add a third operating state
(best_effort_vlan_filtering). That is because correct cleanup (not too
little, not too much) becomes virtually impossible, when VLANs can be
added from the bridge layer, from dsa_8021q for basic tagging, for
cross-chip bridging, as well as retagging rules for sub-VLANs and
cross-chip sub-VLANs. So we need to rethink VLAN interaction with the
switch in a more scalable way.

In preparation for that, use the priv->expect_dsa_8021q boolean to
classify any VLAN request received through .port_vlan_add or
.port_vlan_del towards either one of 2 internal lists: bridge VLANs and
dsa_8021q VLANs.

Then, implement a central sja1105_build_vlan_table method that creates a
VLAN configuration from scratch based on the 2 lists of VLANs kept by
the driver, and based on the VLAN awareness state. Currently, if we are
VLAN-unaware, install the dsa_8021q VLANs, otherwise the bridge VLANs.

Then, implement a delta commit procedure that identifies which VLANs
from this new configuration are actually different from the config
previously committed to hardware. We apply the delta through the dynamic
configuration interface (we don't reset the switch). The result is that
the hardware should see the exact sequence of operations as before this
patch.

This also helps remove the "br" argument passed to
dsa_8021q_crosschip_bridge_join, which it was only using to figure out
whether it should commit the configuration back to us or not, based on
the VLAN awareness state of the bridge. We can simplify that, by always
allowing those VLANs inside of our dsa_8021q_vlans list, and committing
those to hardware when necessary.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 13:08:08 -07:00
Vladimir Oltean
60b33aeb7e net: dsa: sja1105: deny alterations of dsa_8021q VLANs from the bridge
At the moment, this can never happen. The 2 modes that we operate in do
not permit that:

 - SJA1105_VLAN_UNAWARE: we are guarded from bridge VLANs added by the
   user by the DSA core. We will later lift this restriction by setting
   ds->vlan_bridge_vtu = true, and that is where we'll need it.

 - SJA1105_VLAN_FILTERING_FULL: in this mode, dsa_8021q configuration is
   disabled. So the user is free to add these VLANs in the 1024-3071
   range.

The reason for the patch is that we'll introduce a third VLAN awareness
state, where both dsa_8021q as well as the bridge are going to call our
.port_vlan_add and .port_vlan_del methods.

For that, we need a good way to discriminate between the 2. The easiest
(and less intrusive way for upper layers) is to recognize the fact that
dsa_8021q configurations are always driven by our driver - we _know_
when a .port_vlan_add method will be called from dsa_8021q because _we_
initiated it.

So introduce an expect_dsa_8021q boolean which is only used, at the
moment, for blacklisting VLANs in range 1024-3071 in the modes when
dsa_8021q is active.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 13:08:08 -07:00
Vladimir Oltean
7f14937fac net: dsa: sja1105: keep the VLAN awareness state in a driver variable
Soon we'll add a third operating mode to the driver. Introduce a
vlan_state to make things more easy to manage, and use it where
applicable.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 13:08:07 -07:00
Vladimir Oltean
1f66b0f0ae net: dsa: tag_8021q: introduce a vid_is_dsa_8021q helper
This function returns a boolean denoting whether the VLAN passed as
argument is part of the 1024-3071 range that the dsa_8021q tagging
scheme uses.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 13:08:07 -07:00
Russell King
54a0ed0df4 net: dsa: provide an option for drivers to always receive bridge VLANs
DSA assumes that a bridge which has vlan filtering disabled is not
vlan aware, and ignores all vlan configuration. However, the kernel
software bridge code allows configuration in this state.

This causes the kernel's idea of the bridge vlan state and the
hardware state to disagree, so "bridge vlan show" indicates a correct
configuration but the hardware lacks all configuration. Even worse,
enabling vlan filtering on a DSA bridge immediately blocks all traffic
which, given the output of "bridge vlan show", is very confusing.

Provide an option that drivers can set to indicate they want to receive
vlan configuration even when vlan filtering is disabled. At the very
least, this is safe for Marvell DSA bridges, which do not look up
ingress traffic in the VTU if the port is in 8021Q disabled state. It is
also safe for the Ocelot switch family. Whether this change is suitable
for all DSA bridges is not known.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 13:08:07 -07:00
Jason Gunthorpe
ccfdbaa5cf RDMA/uverbs: Move IB_EVENT_DEVICE_FATAL to destroy_uobj
When multiple async FDs were allowed to exist the idea was for all
broadcast events to be delivered to all async FDs, however
IB_EVENT_DEVICE_FATAL was missed.

Instead of having ib_uverbs_free_hw_resources() special case the global
async_fd, have it cause the event during the uobject destruction. Every
async fd is now a uobject so simply generate the IB_EVENT_DEVICE_FATAL
while destroying the async fd uobject. This ensures every async FD gets a
copy of the event.

Fixes: d680e88e20 ("RDMA/core: Add UVERBS_METHOD_ASYNC_EVENT_ALLOC")
Link: https://lore.kernel.org/r/20200507063348.98713-3-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 17:02:25 -03:00
Jason Gunthorpe
c485b19d52 RDMA/uverbs: Do not discard the IB_EVENT_DEVICE_FATAL event
The commit below moved all of the destruction to the disassociate step and
cleaned up the event channel during destroy_uobj.

However, when ib_uverbs_free_hw_resources() pushes IB_EVENT_DEVICE_FATAL
and then immediately goes to destroy all uobjects this causes
ib_uverbs_free_event_queue() to discard the queued event if userspace
hasn't already read() it.

Unlike all other event queues async FD needs to defer the
ib_uverbs_free_event_queue() until FD release. This still unregisters the
handler from the IB device during disassociation.

Fixes: 3e032c0e92 ("RDMA/core: Make ib_uverbs_async_event_file into a uobject")
Link: https://lore.kernel.org/r/20200507063348.98713-2-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 17:02:25 -03:00
Eric Dumazet
24adbc1676 tcp: fix SO_RCVLOWAT hangs with fat skbs
We autotune rcvbuf whenever SO_RCVLOWAT is set to account for 100%
overhead in tcp_set_rcvlowat()

This works well when skb->len/skb->truesize ratio is bigger than 0.5

But if we receive packets with small MSS, we can end up in a situation
where not enough bytes are available in the receive queue to satisfy
RCVLOWAT setting.
As our sk_rcvbuf limit is hit, we send zero windows in ACK packets,
preventing remote peer from sending more data.

Even autotuning does not help, because it only triggers at the time
user process drains the queue. If no EPOLLIN is generated, this
can not happen.

Note poll() has a similar issue, after commit
c7004482e8 ("tcp: Respect SO_RCVLOWAT in tcp_poll().")

Fixes: 03f45c883c ("tcp: avoid extra wakeups for SO_RCVLOWAT users")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:49:47 -07:00
David S. Miller
26831d7814 Merge branch 'sfc-siena_check_caps-fixups'
Edward Cree says:

====================
sfc: siena_check_caps fixups

Fix a bug and a build warning introduced in a recent refactor.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:47:40 -07:00
Edward Cree
1b0cde4091 sfc: siena_check_caps() can be static
Reported-by: Jakub Kicinski <kuba@kernel.org>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:47:40 -07:00
Edward Cree
527c1e615b sfc: actually wire up siena_check_caps()
Assign it to siena_a0_nic_type.check_caps function pointer.

Fixes: be904b8552 ("sfc: make capability checking a nic_type function")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:47:40 -07:00
Clay McClure
92db978f0d net: ethernet: ti: Remove TI_CPTS_MOD workaround
My recent commit b6d49cab44 ("net: Make PTP-specific drivers depend on
PTP_1588_CLOCK") exposes a missing dependency in defconfigs that select
TI_CPTS without selecting PTP_1588_CLOCK, leading to linker errors of the
form:

drivers/net/ethernet/ti/cpsw.o: in function `cpsw_ndo_stop':
cpsw.c:(.text+0x680): undefined reference to `cpts_unregister'
 ...

That's because TI_CPTS_MOD (which is the symbol gating the _compilation_ of
cpts.c) now depends on PTP_1588_CLOCK, and so is not enabled in these
configurations, but TI_CPTS (which is the symbol gating _calls_ to the cpts
functions) _is_ enabled. So we end up compiling calls to functions that
don't exist, resulting in the linker errors.

This patch fixes build errors and restores previous behavior by:
 - ensure PTP_1588_CLOCK=y in TI specific configs and CPTS will be built
 - remove TI_CPTS_MOD and, instead, add dependencies from CPTS in
   TI_CPSW/TI_KEYSTONE_NETCP/TI_CPSW_SWITCHDEV as below:

   config TI_CPSW_SWITCHDEV
   ...
    depends on TI_CPTS || !TI_CPTS

   which will ensure proper dependencies PTP_1588_CLOCK -> TI_CPTS ->
TI_CPSW/TI_KEYSTONE_NETCP/TI_CPSW_SWITCHDEV and build type selection.

Note. For NFS boot + CPTS all of above configs have to be built-in.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dan Murphy <dmurphy@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Fixes: b6d49cab44 ("net: Make PTP-specific drivers depend on PTP_1588_CLOCK")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Clay McClure <clay@daemons.net>
[grygorii.strashko@ti.com: rewording, add deps cpsw/netcp from cpts, drop IS_REACHABLE]
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:33:27 -07:00
Kunihiko Hayashi
966a5c08af dt-bindings: net: Convert UniPhier AVE4 controller to json-schema
Convert the UniPhier AVE4 controller binding to DT schema format.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:29:04 -07:00
David S. Miller
92a84c7806 Merge branch 'ionic-updates'
Shannon Nelson says:

====================
ionic updates

This set of patches is a bunch of code cleanup, a little
documentation, longer tx sg lists, more ethtool stats,
and a couple more transceiver types.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
7c7b58ecd6 ionic: update doc files
Update the basic doc file with some configuration hints and a
little bit of stats information.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
f64e0c5698 ionic: add more ethtool stats
Add hardware port stats and a few more driver collected
statistics to the ethtool stats output.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
c06107cabe ionic: more ionic name tweaks
Fix up a few more local names that need an "ionic" prefix.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
36ac2c5092 ionic: ionic_intr_free parameter change
Change the ionic_intr_free parameter from struct ionic_lif to
struct ionic since that's what it actually cares about.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
5c78431125 ionic: reset device at probe
Once we're talking to the device, tell it to reset to
be sure we've got a fresh, clean environment.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
62ba8766f7 ionic: shorter dev cmd wait time
Shorten our msleep time while polling for the dev command
request to finish.  Yes, checkpatch.pl complains that the
msleep might actually go longer - that won't hurt, but we'll
take the shorter time if we can get it.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
cba155d591 ionic: add support for more xcvr types
Add a couple more SFP and QSFP transceiver types to our
ethtool get link ksettings.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
a836c35229 ionic: protect vf calls from fw reset
When going into a firmware upgrade cycle, we set the device as
not present to keep some user commands from trying to change
the driver while we're only half there.  Unfortunately, the
ndo_vf_* calls don't check netif_device_present() so we need
to add a check in the callbacks.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
c4e7a75a09 ionic: updates to ionic FW api description
Lots of comment cleanup for better documentation, a few new
fields added, and a few minor mistakes fixed up.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
Shannon Nelson
5b3f3f2a71 ionic: support longer tx sg lists
The version 1 Tx queues can use longer SG lists than the
original version 0 queues, but we need to check to see if the
firmware supports the v1 Tx queues.  This implements the queue
type query for all queue types, and uses the information to
set up for using the longer Tx SG lists.

Because the Tx SG list can be longer, we need to limit the
max ring length to be sure we stay inside the boundaries of a
DMA allocation max size, so we lower the max Tx ring size.

The driver sets its highest known version in the Q_IDENTITY
command, and the FW returns the highest version that it knows,
bounded by the driver's version.  The negotiated version number
is later used in the Q_INIT commands.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:19:30 -07:00
David S. Miller
d6718ccb25 Merge branch 'ionic-fixes'
Shannon Nelson says:

====================
ionic fixes

These are a couple more fixes after more fw-upgrade testing.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:12:34 -07:00
Shannon Nelson
ddc5911b9b ionic: call ionic_port_init after fw-upgrade
Since the fw has been re-inited, we need to refresh the port
information dma address so we can see fresh port information.
Let's call ionic_port_init again, and tweak it to allow for
a call to simply refresh the existing dma address.

Fixes: c672412f61 ("ionic: remove lifs on fw reset")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:12:34 -07:00
Shannon Nelson
f20a4d4041 ionic: leave netdev mac alone after fw-upgrade
When running in a bond setup, or some other potential
configurations, the netdev mac may have been changed from
the default device mac.  Since the userland doesn't know
about the changes going on under the covers in a fw-upgrade
it doesn't know the re-push the mac filter.  The driver
needs to leave the netdev mac filter alone when rebuilding
after the fw-upgrade.

Fixes: c672412f61 ("ionic: remove lifs on fw reset")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:12:34 -07:00
Jacob Keller
2c864c78c2 ptp: fix struct member comment for do_aux_work
The do_aux_work callback had documentation in the structure comment
which referred to it as "do_work".

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:10:17 -07:00
Christoph Paasch
64d950ae0b mptcp: Initialize map_seq upon subflow establishment
When the other MPTCP-peer uses 32-bit data-sequence numbers, we rely on
map_seq to indicate how to expand to a 64-bit data-sequence number in
expand_seq() when receiving data.

For new subflows, this field is not initialized, thus results in an
"invalid" mapping being discarded.

Fix this by initializing map_seq upon subflow establishment time.

Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Reviewed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:08:22 -07:00
Linus Torvalds
24085f70a6 Tracing fixes to previous fixes:
Unfortunately, the last set of fixes introduced some minor bugs:
 
  - The bootconfig apply_xbc() leak fix caused the application to return
    a positive number on success, when it should have returned zero.
 
  - The preempt_irq_delay_thread fix to make the creation code
    wait for the kthread to finish to prevent it from executing after
    module unload, can now cause the kthread to exit before it even
    executes (preventing it to run its tests).
 
  - The fix to the bootconfig that fixed the initrd to remove the
    bootconfig from causing the kernel to panic, now prints a warning
    that the bootconfig is not found, even when bootconfig is not
    on the command line.
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Merge tag 'trace-v5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Fixes to previous fixes.

  Unfortunately, the last set of fixes introduced some minor bugs:

   - The bootconfig apply_xbc() leak fix caused the application to
     return a positive number on success, when it should have returned
     zero.

   - The preempt_irq_delay_thread fix to make the creation code wait for
     the kthread to finish to prevent it from executing after module
     unload, can now cause the kthread to exit before it even executes
     (preventing it to run its tests).

   - The fix to the bootconfig that fixed the initrd to remove the
     bootconfig from causing the kernel to panic, now prints a warning
     that the bootconfig is not found, even when bootconfig is not on
     the command line"

* tag 'trace-v5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  bootconfig: Fix to prevent warning message if no bootconfig option
  tracing: Wait for preempt irq delay thread to execute
  tools/bootconfig: Fix apply_xbc() to return zero on success
2020-05-12 11:06:26 -07:00
Linus Torvalds
8ec91c0fce Some GPIO fixes for the v5.7 kernel:
- Fix pin configuration in the PCA953x driver.
 - Ruggedize the watch/unwatch ioctl().
 - Possible call to a sleeping function when holding a spinlock,
   avoid this.
 - Fix UML builds with DT overlays.
 - Mask Tegra GPIO IRQs during shutdown().
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Merge tag 'gpio-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 "Some GPIO fixes for v5.7, slightly overdue. Been learning MMUs and
  KASan that is why it's late. Bartosz helped me out, luckily!

   - Fix pin configuration in the PCA953x driver

   - Ruggedize the watch/unwatch ioctl()

   - Possible call to a sleeping function when holding a spinlock, avoid
     this

   - Fix UML builds with DT overlays

   - Mask Tegra GPIO IRQs during shutdown()"

* tag 'gpio-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: tegra: mask GPIO IRQs during IRQ shutdown
  gpio: of: Build fails if CONFIG_OF_DYNAMIC enabled without CONFIG_OF_GPIO
  gpiolib: don't call sleeping functions with a spinlock taken
  gpiolib: improve the robustness of watch/unwatch ioctl()
  gpio: pca953x: Fix pca953x_gpio_set_config
2020-05-12 10:39:34 -07:00
Linus Torvalds
e719340f46 Various gfs2 fixes
Fixes for bugs prior to v5.7-rc1:
 - Fix random block reads when reading fragmented journals (v5.2).
 - Fix a possible random memory access in gfs2_walk_metadata (v5.3).
 
 Fixes for v5.7-rc1:
 - Fix several overlooked gfs2_qa_get / gfs2_qa_put imbalances.
 - Fix several bugs in the new filesystem withdraw logic.
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Merge tag 'gfs2-v5.7-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 fixes from Andreas Gruenbacher:
 "Various gfs2 fixes.

  Fixes for bugs prior to v5.7:
   - Fix random block reads when reading fragmented journals (v5.2)
   - Fix a possible random memory access in gfs2_walk_metadata (v5.3)

  Fixes for v5.7:
   - Fix several overlooked gfs2_qa_get / gfs2_qa_put imbalances
   - Fix several bugs in the new filesystem withdraw logic"

* tag 'gfs2-v5.7-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  Revert "gfs2: Don't demote a glock until its revokes are written"
  gfs2: If go_sync returns error, withdraw but skip invalidate
  gfs2: Grab glock reference sooner in gfs2_add_revoke
  gfs2: don't call quota_unhold if quotas are not locked
  gfs2: move privileged user check to gfs2_quota_lock_check
  gfs2: remove check for quotas on in gfs2_quota_check
  gfs2: Change BUG_ON to an assert_withdraw in gfs2_quota_change
  gfs2: Fix problems regarding gfs2_qa_get and _put
  gfs2: More gfs2_find_jhead fixes
  gfs2: Another gfs2_walk_metadata fix
  gfs2: Fix use-after-free in gfs2_logd after withdraw
  gfs2: Fix BUG during unmount after file system withdraw
  gfs2: Fix error exit in do_xmote
  gfs2: fix withdraw sequence deadlock
2020-05-12 10:32:32 -07:00
Potnuri Bharat Teja
c8b1f340e5 RDMA/iw_cxgb4: Fix incorrect function parameters
While reading the TCB field in t4_tcb_get_field32() the wrong mask is
passed as a parameter which leads the driver eventually to a kernel
panic/app segfault from access to an illegal SRQ index while flushing the
SRQ completions during connection teardown.

Fixes: 11a27e2121 ("iw_cxgb4: complete the cached SRQ buffers")
Link: https://lore.kernel.org/r/20200511185608.5202-1-bharat@chelsio.com
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 11:47:48 -03:00
Maor Gottlieb
50bbe3d34f RDMA/core: Fix double put of resource
Do not decrease the reference count of resource tracker object twice in
the error flow of res_get_common_doit.

Fixes: c5dfe0ea6f ("RDMA/nldev: Add resource tracker doit callback")
Link: https://lore.kernel.org/r/20200507062942.98305-1-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 11:47:48 -03:00
Jack Morgenstein
1901b91f99 IB/core: Fix potential NULL pointer dereference in pkey cache
The IB core pkey cache is populated by procedure ib_cache_update().
Initially, the pkey cache pointer is NULL. ib_cache_update allocates a
buffer and populates it with the device's pkeys, via repeated calls to
procedure ib_query_pkey().

If there is a failure in populating the pkey buffer via ib_query_pkey(),
ib_cache_update does not replace the old pkey buffer cache with the
updated one -- it leaves the old cache as is.

Since initially the pkey buffer cache is NULL, when calling
ib_cache_update the first time, a failure in ib_query_pkey() will cause
the pkey buffer cache pointer to remain NULL.

In this situation, any calls subsequent to ib_get_cached_pkey(),
ib_find_cached_pkey(), or ib_find_cached_pkey_exact() will try to
dereference the NULL pkey cache pointer, causing a kernel panic.

Fix this by checking the ib_cache_update() return value.

Fixes: 8faea9fd4a ("RDMA/cache: Move the cache per-port data into the main ib_port_data")
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Link: https://lore.kernel.org/r/20200507071012.100594-1-leon@kernel.org
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 11:47:48 -03:00
Mike Marciniszyn
fa8dac3968 IB/hfi1: Fix another case where pq is left on waitlist
The commit noted below fixed a case where a pq is left on the sdma wait
list.

It however missed another case.

user_sdma_send_pkts() has two calls from hfi1_user_sdma_process_request().

If the first one fails as indicated by -EBUSY, the pq will be placed on
the waitlist as by design.

If the second call then succeeds, the pq is still on the waitlist setting
up a race with the interrupt handler if a subsequent request uses a
different SDMA engine

Fix by deleting the first call.

The use of pcount and the intent to send a short burst of packets followed
by the larger balance of packets was never correctly implemented, because
the two calls always send pcount packets no matter what.  A subsequent
patch will correct that issue.

Fixes: 9a293d1e21 ("IB/hfi1: Ensure pq is not left on waitlist")
Link: https://lore.kernel.org/r/20200504130917.175613.43231.stgit@awfm-01.aw.intel.com
Cc: <stable@vger.kernel.org>
Reviewed-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 11:47:48 -03:00
Denis V. Lunev
856ec7f646 IB/i40iw: Remove bogus call to netdev_master_upper_dev_get()
Local variable netdev is not used in these calls.

It should be noted, that this change is required to work in bonded mode.
Otherwise we would get the following assert:

 "RTNL: assertion failed at net/core/dev.c (5665)"

With the calltrace as follows:
	dump_stack+0x19/0x1b
	netdev_master_upper_dev_get+0x61/0x70
	i40iw_addr_resolve_neigh+0x1e8/0x220
	i40iw_make_cm_node+0x296/0x700
	? i40iw_find_listener.isra.10+0xcc/0x110
	i40iw_receive_ilq+0x3d4/0x810
	i40iw_puda_poll_completion+0x341/0x420
	i40iw_process_ceq+0xa5/0x280
	i40iw_ceq_dpc+0x1e/0x40
	tasklet_action+0x83/0x140
	__do_softirq+0x125/0x2bb
	call_softirq+0x1c/0x30
	do_softirq+0x65/0xa0
	irq_exit+0x105/0x110
	do_IRQ+0x56/0xf0
	common_interrupt+0x16a/0x16a
	? cpuidle_enter_state+0x57/0xd0
	cpuidle_idle_call+0xde/0x230
	arch_cpu_idle+0xe/0xc0
	cpu_startup_entry+0x14a/0x1e0
	start_secondary+0x1f7/0x270
	start_cpu+0x5/0x14

Link: https://lore.kernel.org/r/20200428131511.11049-1-den@openvz.org
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 11:47:48 -03:00
Jack Morgenstein
6693ca95bd IB/mlx4: Test return value of calls to ib_get_cached_pkey
In the mlx4_ib_post_send() flow, some functions call ib_get_cached_pkey()
without checking its return value. If ib_get_cached_pkey() returns an
error code, these functions should return failure.

Fixes: 1ffeb2eb8b ("IB/mlx4: SR-IOV IB context objects and proxy/tunnel SQP support")
Fixes: 225c7b1fee ("IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters")
Fixes: e622f2f4ad ("IB: split struct ib_send_wr")
Link: https://lore.kernel.org/r/20200426075921.130074-1-leon@kernel.org
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 11:47:48 -03:00
Sudip Mukherjee
bb43c8e382 RDMA/rxe: Always return ERR_PTR from rxe_create_mmap_info()
The commit below modified rxe_create_mmap_info() to return ERR_PTR's but
didn't update the callers to handle them. Modify rxe_create_mmap_info() to
only return ERR_PTR and fix all error checking after
rxe_create_mmap_info() is called.

Ensure that all other exit paths properly set the error return.

Fixes: ff23dfa134 ("IB: Pass only ib_udata in function prototypes")
Link: https://lore.kernel.org/r/20200425233545.17210-1-sudipm.mukherjee@gmail.com
Link: https://lore.kernel.org/r/20200511183742.GB225608@mwanda
Cc: stable@vger.kernel.org [5.4+]
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-05-12 11:47:00 -03:00
Masami Hiramatsu
611d0a95d4 bootconfig: Fix to prevent warning message if no bootconfig option
Commit de462e5f10 ("bootconfig: Fix to remove bootconfig
data from initrd while boot") causes a cosmetic regression
on dmesg, which warns "no bootconfig data" message without
bootconfig cmdline option.

Fix setup_boot_config() by moving no bootconfig check after
commandline option check.

Link: http://lkml.kernel.org/r/9b1ba335-071d-c983-89a4-2677b522dcc8@molgen.mpg.de
Link: http://lkml.kernel.org/r/158916116468.21787.14558782332170588206.stgit@devnote2

Fixes: de462e5f10 ("bootconfig: Fix to remove bootconfig data from initrd while boot")
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2020-05-12 10:42:51 -04:00
Leo (Hanghong) Ma
650e723cec drm/amd/amdgpu: Update update_config() logic
[Why]
For MST case: when update_config is called to disable a stream,
this clears the settings for all the streams on that link.
We should only clear the settings for the stream that was disabled.

[How]
Clear the settings after the call to remove display is called.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-05-12 08:40:06 -04:00
Tom St Denis
975f543e75 drm/amd/amdgpu: add raven1 part to the gfxoff quirk list
On my raven1 system (rev c6) with VBIOS 113-RAVEN-114 GFXOFF is
not stable (resulting in large block tiling noise in some applications).

Disabling GFXOFF via the quirk list fixes the problems for me.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2020-05-12 08:39:33 -04:00
Phil Sutter
340eaff651 netfilter: nft_set_rbtree: Add missing expired checks
Expired intervals would still match and be dumped to user space until
garbage collection wiped them out. Make sure they stop matching and
disappear (from users' perspective) as soon as they expire.

Fixes: 8d8540c4f5 ("netfilter: nft_set_rbtree: add timeout support")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-05-12 13:19:34 +02:00
Pablo Neira Ayuso
9ed81c8e0d netfilter: flowtable: set NF_FLOW_TEARDOWN flag on entry expiration
If the flow timer expires, the gc sets on the NF_FLOW_TEARDOWN flag.
Otherwise, the flowtable software path might race to refresh the
timeout, leaving the state machine in inconsistent state.

Fixes: c29f74e0df ("netfilter: nf_flow_table: hardware offload support")
Reported-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-05-12 13:19:08 +02:00
Takashi Iwai
1b94e59d30 ALSA: hda/realtek - Add COEF workaround for ASUS ZenBook UX431DA
ASUS ZenBook UX431DA requires an additional COEF setup when booted
from the recent Windows 10, otherwise it produces the noisy output.
The quirk turns on COEF 0x1b bit 10 that has been cleared supposedly
due to the pop noise reduction.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=207553
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20200512073203.14091-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-05-12 09:32:49 +02:00
Rodrigo Vivi
475e842302 Merge tag 'gvt-fixes-2020-05-12' of https://github.com/intel/gvt-linux into drm-intel-fixes
gvt-fixes-2020-05-12

- Correct transcoder and DPLL initial clock to fix recent guest
  display probe failure. (Colin)
- Fix kernel oops on older guest using aliasing ppgtt. (Zhenyu)

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200512024803.GQ18545@zhen-hp.sh.intel.com
2020-05-11 23:55:26 -07:00
Jian-Hong Pan
7900e81797 ALSA: hda/realtek: Enable headset mic of ASUS UX581LV with ALC295
The ASUS UX581LV laptop's audio (1043:19e1) with ALC295 can't detect the
headset microphone until ALC295_FIXUP_ASUS_MIC_NO_PRESENCE quirk
applied.

Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Link: https://lore.kernel.org/r/20200512061525.133985-3-jian-hong@endlessm.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-05-12 08:44:26 +02:00
Jian-Hong Pan
ad97d66785 ALSA: hda/realtek - Enable headset mic of ASUS UX550GE with ALC295
The ASUS laptop UX550GE with ALC295 can't detect the headset microphone
until ALC295_FIXUP_ASUS_MIC_NO_PRESENCE quirk applied.

Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Signed-off-by: Daniel Drake <drake@endlessm.com>
Link: https://lore.kernel.org/r/20200512061525.133985-2-jian-hong@endlessm.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-05-12 08:44:19 +02:00
Chris Chiu
9e43342b46 ALSA: hda/realtek - Enable headset mic of ASUS GL503VM with ALC295
The ASUS laptop GL503VM with ALC295 can't detect the headset microphone.
The headset microphone does not work until pin 0x19 is enabled for it.

Signed-off-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Link: https://lore.kernel.org/r/20200512061525.133985-1-jian-hong@endlessm.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-05-12 08:44:05 +02:00