openwrt/staging/blogic.git
7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Wed, 11 Jan 2017 17:52:12 +0000 (09:52 -0800)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Fix rtlwifi crash, from Larry Finger.

 2) Memory disclosure in appletalk ipddp routing code, from Vlad
    Tsyrklevich.

 3) r8152 can erroneously split an RX packet into multiple URBs if the
    Rx FIFO is not empty when we suspend. Fix this by waiting for the
    FIFO to empty before suspending. From Hayes Wang.

 4) Two GRO fixes (enter slow path when not enough SKB tail room exists,
    disable frag0 optimizations when there are IPV6 extension headers)
    from Eric Dumazet and Herbert Xu.

 5) A series of mlx5e bug fixes (do source udp port offloading for
    tunnels properly, Ip fragment matching fixes, handling firmware
    errors properly when installing TC rules, etc.) from Saeed Mahameed,
    Or Gerlitz, Roi Dayan, Hadar Hen Zion, Gil Rockah, and Daniel
    Jurgens.

 6) Two VRF fixes from David Ahern (don't skip multipath selection for
    VRF paths, disallow VRF to be configured with table ID 0).

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (35 commits)
  net: vrf: do not allow table id 0
  net: phy: marvell: fix Marvell 88E1512 used in SGMII mode
  sctp: Fix spelling mistake: "Atempt" -> "Attempt"
  net: ipv4: Fix multipath selection with vrf
  cgroup: move CONFIG_SOCK_CGROUP_DATA to init/Kconfig
  gro: use min_t() in skb_gro_reset_offset()
  net/mlx5: Only cancel recovery work when cleaning up device
  net/mlx5e: Remove WARN_ONCE from adaptive moderation code
  net/mlx5e: Un-register uplink representor on nic_disable
  net/mlx5e: Properly handle FW errors while adding TC rules
  net/mlx5e: Fix kbuild warnings for uninitialized parameters
  net/mlx5e: Set inline mode requirements for matching on IP fragments
  net/mlx5e: Properly get address type of encapsulation IP headers
  net/mlx5e: TC ipv4 tunnel encap offload error flow fixes
  net/mlx5e: Warn when rejecting offload attempts of IP tunnels
  net/mlx5e: Properly handle offloading of source udp port for IP tunnels
  gro: Disable frag0 optimization on IPv6 ext headers
  gro: Enter slow-path if there is no tailroom
  mlx4: Return EOPNOTSUPP instead of ENOTSUPP
  net/af_iucv: don't use paged skbs for TX on HiperSockets
  ...

7 years agoMerge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Linus Torvalds [Wed, 11 Jan 2017 17:28:13 +0000 (09:28 -0800)]
Merge branch 'linus' of git://git./linux/kernel/git/herbert/crypto-2.6

Pull crypto fix from Herbert Xu:
 "This fixes a regression in aesni that renders it useless if it's
  built-in with a modular pcbc configuration"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: aesni - Fix failure when built-in with modular pcbc

7 years agonet: vrf: do not allow table id 0
David Ahern [Tue, 10 Jan 2017 23:22:25 +0000 (15:22 -0800)]
net: vrf: do not allow table id 0

Frank reported that vrf devices can be created with a table id of 0.
This breaks many of the run time table id checks and should not be
allowed. Detect this condition at create time and fail with EINVAL.

Fixes: 193125dbd8eb ("net: Introduce VRF device driver")
Reported-by: Frank Kellermann <frank.kellermann@atos.net>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: phy: marvell: fix Marvell 88E1512 used in SGMII mode
Russell King [Tue, 10 Jan 2017 23:13:45 +0000 (23:13 +0000)]
net: phy: marvell: fix Marvell 88E1512 used in SGMII mode

When an Marvell 88E1512 PHY is connected to a nic in SGMII mode, the
fiber page is used for the SGMII host-side connection.  The PHY driver
notices that SUPPORTED_FIBRE is set, so it tries reading the fiber page
for the link status, and ends up reading the MAC-side status instead of
the outgoing (copper) link.  This leads to incorrect results reported
via ethtool.

If the PHY is connected via SGMII to the host, ignore the fiber page.
However, continue to allow the existing power management code to
suspend and resume the fiber page.

Fixes: 6cfb3bcc0641 ("Marvell phy: check link status in case of fiber link.")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agosctp: Fix spelling mistake: "Atempt" -> "Attempt"
Colin Ian King [Tue, 10 Jan 2017 22:53:06 +0000 (22:53 +0000)]
sctp: Fix spelling mistake: "Atempt" -> "Attempt"

Trivial fix to spelling mistake in WARN_ONCE message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: ipv4: Fix multipath selection with vrf
David Ahern [Tue, 10 Jan 2017 22:37:35 +0000 (14:37 -0800)]
net: ipv4: Fix multipath selection with vrf

fib_select_path does not call fib_select_multipath if oif is set in the
flow struct. For VRF use cases oif is always set, so multipath route
selection is bypassed. Use the FLOWI_FLAG_SKIP_NH_OIF to skip the oif
check similar to what is done in fib_table_lookup.

Add saddr and proto to the flow struct for the fib lookup done by the
VRF driver to better match hash computation for a flow.

Fixes: 613d09b30f8b ("net: Use VRF device index for lookups on TX")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agocgroup: move CONFIG_SOCK_CGROUP_DATA to init/Kconfig
Arnd Bergmann [Tue, 10 Jan 2017 12:08:06 +0000 (13:08 +0100)]
cgroup: move CONFIG_SOCK_CGROUP_DATA to init/Kconfig

We now 'select SOCK_CGROUP_DATA' but Kconfig complains that this is
not right when CONFIG_NET is disabled and there is no socket interface:

warning: (CGROUP_BPF) selects SOCK_CGROUP_DATA which has unmet direct dependencies (NET)

I don't know what the correct solution for this is, but simply removing
the dependency on NET from SOCK_CGROUP_DATA by moving it out of the
'if NET' section avoids the warning and does not produce other build
errors.

Fixes: 483c4933ea09 ("cgroup: Fix CGROUP_BPF config")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agogro: use min_t() in skb_gro_reset_offset()
Eric Dumazet [Wed, 11 Jan 2017 03:52:43 +0000 (19:52 -0800)]
gro: use min_t() in skb_gro_reset_offset()

On 32bit arches, (skb->end - skb->data) is not 'unsigned int',
so we shall use min_t() instead of min() to avoid a compiler error.

Fixes: 1272ce87fa01 ("gro: Enter slow-path if there is no tailroom")
Reported-by: kernel test robot <fengguang.wu@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge branch 'mlx5-fixes'
David S. Miller [Wed, 11 Jan 2017 02:34:03 +0000 (21:34 -0500)]
Merge branch 'mlx5-fixes'

Saeed Mahameed says:

====================
Mellanox mlx5 fixes and cleanups 2017-01-10

This series includes some mlx5e general cleanups from Daniel, Gil, Hadar
and myself.
Also it includes some critical mlx5e TC offloads fixes from Or Gerlitz.

For -stable:
 - net/mlx5e: Remove WARN_ONCE from adaptive moderation code

   Although this fix doesn't affect any functionality, I thought it is
   better to clean this -WARN_ONCE- up for -stable in case someone hits
   such corner case.

Please apply and let me know if there's any problem.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5: Only cancel recovery work when cleaning up device
Daniel Jurgens [Tue, 10 Jan 2017 20:33:39 +0000 (22:33 +0200)]
net/mlx5: Only cancel recovery work when cleaning up device

Do not attempt to drain the health workqueue when unloading the device in
the recovery flow, this can cause a deadlock when the recovery work
tries to cancel itself with sync.

Because the work is no longer unconditionally canceled when unloading, it
must be explicitly canceled in the AER flow.

fixes: 689a248df83b ("net/mlx5: Cancel recovery work in remove flow")
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: Remove WARN_ONCE from adaptive moderation code
Gil Rockah [Tue, 10 Jan 2017 20:33:38 +0000 (22:33 +0200)]
net/mlx5e: Remove WARN_ONCE from adaptive moderation code

When trying to do interface down or changing interface configuration
under heavy traffic, some of the adaptive moderation corner cases can
occur and leave a WARN_ONCE call trace in the kernel log.

Those WARN_ONCE are meant for debug only, and should have been inserted
only under debug. We avoid such call traces by removing those WARN_ONCE.

Fixes: cb3c7fd4f839 ("net/mlx5e: Support adaptive RX coalescing")
Signed-off-by: Gil Rockah <gilr@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: Un-register uplink representor on nic_disable
Saeed Mahameed [Tue, 10 Jan 2017 20:33:37 +0000 (22:33 +0200)]
net/mlx5e: Un-register uplink representor on nic_disable

The code before this patch registered uplink e-Switch representor
on nic_enable and unregistered on nic_cleanup, the right place
for this unregister is in nic_disable.

Fixes: 127ea380acc9 ("net/mlx5: Add Representors registration API")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: Properly handle FW errors while adding TC rules
Or Gerlitz [Tue, 10 Jan 2017 20:33:36 +0000 (22:33 +0200)]
net/mlx5e: Properly handle FW errors while adding TC rules

When the firmware returns an error (common example is an attempt to
add twice the same rule which is refused by the some FWs), we are not
properly derefing/cleaning few resources allocated on the way.
Examples are vport vlan deref under eswitch vlan offloads, and encap
entry/neighbour deref under eswitch encapsulation offloads, fix that.

Fixes: a54e20b4fcae ('net/mlx5e: Add basic TC tunnel set action for SRIOV offloads')
Fixes: 8b32580df1cb ('net/mlx5e: Add TC vlan action for SRIOV offloads')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: Fix kbuild warnings for uninitialized parameters
Hadar Hen Zion [Tue, 10 Jan 2017 20:33:35 +0000 (22:33 +0200)]
net/mlx5e: Fix kbuild warnings for uninitialized parameters

kbuild warn about parameters that may be used uninitialized, fix it.

Fixes: a54e20b4fcae ('net/mlx5e: Add basic TC tunnel set action for SRIOV offloads')
Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: Set inline mode requirements for matching on IP fragments
Or Gerlitz [Tue, 10 Jan 2017 20:33:34 +0000 (22:33 +0200)]
net/mlx5e: Set inline mode requirements for matching on IP fragments

For e-switch level matching on packets being an IP fragment, we
need to make sure the source vport inline mode is L3, fix that.

Fixes: 3f7d0eb42d59 ('net/mlx5e: Offload TC matching on packets being IP fragments')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: Properly get address type of encapsulation IP headers
Or Gerlitz [Tue, 10 Jan 2017 20:33:33 +0000 (22:33 +0200)]
net/mlx5e: Properly get address type of encapsulation IP headers

As done elsewhere in our TC/flower offload code, the address type of
the encapsulation IP headers should be realized accroding to the
addr_type field of the encapsulation control dissector key, do that.

Fixes: bbd00f7e2349 ('net/mlx5e: Add TC tunnel release action for SRIOV offloads')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: TC ipv4 tunnel encap offload error flow fixes
Or Gerlitz [Tue, 10 Jan 2017 20:33:32 +0000 (22:33 +0200)]
net/mlx5e: TC ipv4 tunnel encap offload error flow fixes

When the route lookup fails we should return the actual error.

When the neigh isn't valid, we should return -EOPNOTSUPP as done
in similar cases along the code.

When the offload can't take place as of invalid neigh etc, we
must release the neigh.

Fixes: a54e20b4fcae ('net/mlx5e: Add basic TC tunnel set action for SRIOV offloads')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: Warn when rejecting offload attempts of IP tunnels
Or Gerlitz [Tue, 10 Jan 2017 20:33:31 +0000 (22:33 +0200)]
net/mlx5e: Warn when rejecting offload attempts of IP tunnels

We silently reject offloading of IPv6 tunnels, non vxlan tunnels,
vxlan tunnels where the dst port to match is not provided, etc.

Be a bit more verbose and print a warning so the user better
realizes what went wrong here and can fix it.

Fixes: a54e20b4fcae ('net/mlx5e: Add basic TC tunnel set action for SRIOV offloads')
Fixes: bbd00f7e2349 ('net/mlx5e: Add TC tunnel release action for SRIOV offloads')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/mlx5e: Properly handle offloading of source udp port for IP tunnels
Or Gerlitz [Tue, 10 Jan 2017 20:33:30 +0000 (22:33 +0200)]
net/mlx5e: Properly handle offloading of source udp port for IP tunnels

We can offload the matching on source udp port of ip tunnels for
decapsulation. We can not offload setting source udp port for tunnels
as part of encapsulation. Fix both the code that deals with matching
offload (decap) and the code that deal with encap offload to align with
that.

Fixes: a54e20b4fcae ('net/mlx5e: Add basic TC tunnel set action for SRIOV offloads')
Fixes: bbd00f7e2349 ('net/mlx5e: Add TC tunnel release action for SRIOV offloads')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agogro: Disable frag0 optimization on IPv6 ext headers
Herbert Xu [Tue, 10 Jan 2017 20:24:15 +0000 (12:24 -0800)]
gro: Disable frag0 optimization on IPv6 ext headers

The GRO fast path caches the frag0 address.  This address becomes
invalid if frag0 is modified by pskb_may_pull or its variants.
So whenever that happens we must disable the frag0 optimization.

This is usually done through the combination of gro_header_hard
and gro_header_slow, however, the IPv6 extension header path did
the pulling directly and would continue to use the GRO fast path
incorrectly.

This patch fixes it by disabling the fast path when we enter the
IPv6 extension header path.

Fixes: 78a478d0efd9 ("gro: Inline skb_gro_header and cache frag0 virtual address")
Reported-by: Slava Shwartsman <slavash@mellanox.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agogro: Enter slow-path if there is no tailroom
Herbert Xu [Tue, 10 Jan 2017 20:24:01 +0000 (12:24 -0800)]
gro: Enter slow-path if there is no tailroom

The GRO path has a fast-path where we avoid calling pskb_may_pull
and pskb_expand by directly accessing frag0.  However, this should
only be done if we have enough tailroom in the skb as otherwise
we'll have to expand it later anyway.

This patch adds the check by capping frag0_len with the skb tailroom.

Fixes: cb18978cbf45 ("gro: Open-code final pskb_may_pull")
Reported-by: Slava Shwartsman <slavash@mellanox.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agomlx4: Return EOPNOTSUPP instead of ENOTSUPP
Martin KaFai Lau [Tue, 10 Jan 2017 17:41:49 +0000 (09:41 -0800)]
mlx4: Return EOPNOTSUPP instead of ENOTSUPP

In commit b45f0674b997 ("mlx4: xdp: Allow raising MTU up to one page minus eth and vlan hdrs"),
it changed EOPNOTSUPP to ENOTSUPP by mistake.  This patch fixes it.

Fixes: b45f0674b997 ("mlx4: xdp: Allow raising MTU up to one page minus eth and vlan hdrs")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/af_iucv: don't use paged skbs for TX on HiperSockets
Julian Wiedmann [Tue, 10 Jan 2017 16:10:34 +0000 (17:10 +0100)]
net/af_iucv: don't use paged skbs for TX on HiperSockets

With commit e53743994e21
("af_iucv: use paged SKBs for big outbound messages"),
we transmit paged skbs for both of AF_IUCV's transport modes
(IUCV or HiperSockets).
The qeth driver for Layer 3 HiperSockets currently doesn't
support NETIF_F_SG, so these skbs would just be linearized again
by the stack.
Avoid that overhead by using paged skbs only for IUCV transport.

cc stable, since this also circumvents a significant skb leak when
sending large messages (where the skb then needs to be linearized).

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Cc: <stable@vger.kernel.org> # v4.8+
Fixes: e53743994e21 ("af_iucv: use paged SKBs for big outbound messages")
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: add the AF_QIPCRTR entries to family name tables
Anna, Suman [Tue, 10 Jan 2017 03:48:56 +0000 (21:48 -0600)]
net: add the AF_QIPCRTR entries to family name tables

Commit bdabad3e363d ("net: Add Qualcomm IPC router") introduced a
new address family. Update the family name tables accordingly so
that the lockdep initialization can use the proper names for this
family.

Cc: Courtney Cavin <courtney.cavin@sonymobile.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: qrtr: Mark 'buf' as little endian
Stephen Boyd [Mon, 9 Jan 2017 22:31:58 +0000 (14:31 -0800)]
net: qrtr: Mark 'buf' as little endian

Failure to mark this pointer as __le32 causes checkers like
sparse to complain:

net/qrtr/qrtr.c:274:16: warning: incorrect type in assignment (different base types)
net/qrtr/qrtr.c:274:16:    expected unsigned int [unsigned] [usertype] <noident>
net/qrtr/qrtr.c:274:16:    got restricted __le32 [usertype] <noident>
net/qrtr/qrtr.c:275:16: warning: incorrect type in assignment (different base types)
net/qrtr/qrtr.c:275:16:    expected unsigned int [unsigned] [usertype] <noident>
net/qrtr/qrtr.c:275:16:    got restricted __le32 [usertype] <noident>
net/qrtr/qrtr.c:276:16: warning: incorrect type in assignment (different base types)
net/qrtr/qrtr.c:276:16:    expected unsigned int [unsigned] [usertype] <noident>
net/qrtr/qrtr.c:276:16:    got restricted __le32 [usertype] <noident>

Silence it.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: dsa: Ensure validity of dst->ds[0]
Florian Fainelli [Mon, 9 Jan 2017 19:58:34 +0000 (11:58 -0800)]
net: dsa: Ensure validity of dst->ds[0]

It is perfectly possible to have non zero indexed switches being present
in a DSA switch tree, in such a case, we will be deferencing a NULL
pointer while dsa_cpu_port_ethtool_{setup,restore}. Be more defensive
and ensure that dst->ds[0] is valid before doing anything with it.

Fixes: 0c73c523cf73 ("net: dsa: Initialize CPU port ethtool ops per tree")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge tag 'linux-kselftest-4.10-rc4-fixes' of git://git.kernel.org/pub/scm/linux...
Linus Torvalds [Tue, 10 Jan 2017 21:51:54 +0000 (13:51 -0800)]
Merge tag 'linux-kselftest-4.10-rc4-fixes' of git://git./linux/kernel/git/shuah/linux-kselftest

Pull kselftest fixes from Shuah Khan:
 "This update consists of fixes to use shell instead of bash to run
  tests in embedded devices where the only shell available is the
  busybox ash.

  Also included is a typo fix to a test result message"

* tag 'linux-kselftest-4.10-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: x86/pkeys: fix spelling mistake: "itertation" -> "iteration"
  selftests: do not require bash to run netsocktests testcase
  selftests: do not require bash to run bpf tests
  selftests: do not require bash for the generated test

7 years agonet: skb_flow_get_be16() can be static
Eric Dumazet [Mon, 9 Jan 2017 19:18:01 +0000 (11:18 -0800)]
net: skb_flow_get_be16() can be static

Removes following sparse complain :

net/core/flow_dissector.c:70:8: warning: symbol 'skb_flow_get_be16'
was not declared. Should it be static?

Fixes: 972d3876faa8 ("flow dissector: ICMP support")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge branch 'r8152-fix-autosuspend'
David S. Miller [Tue, 10 Jan 2017 16:46:47 +0000 (11:46 -0500)]
Merge branch 'r8152-fix-autosuspend'

Hayes Wang says:

====================
r8152: fix autosuspend issue

Avoid rx is split into two parts when runtime suspend occurs.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agor8152: fix rx issue for runtime suspend
hayeswang [Tue, 10 Jan 2017 09:04:07 +0000 (17:04 +0800)]
r8152: fix rx issue for runtime suspend

Pause the rx and make sure the rx fifo is empty when the autosuspend
occurs.

If the rx data comes when the driver is canceling the rx urb, the host
controller would stop getting the data from the device and continue
it after next rx urb is submitted. That is, one continuing data is
split into two different urb buffers. That let the driver take the
data as a rx descriptor, and unexpected behavior happens.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agor8152: split rtl8152_suspend function
hayeswang [Tue, 10 Jan 2017 09:04:06 +0000 (17:04 +0800)]
r8152: split rtl8152_suspend function

Split rtl8152_suspend() into rtl8152_system_suspend() and
rtl8152_rumtime_suspend().

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: socket: Make unnecessarily global sockfs_setattr() static
Tobias Klauser [Tue, 10 Jan 2017 08:30:51 +0000 (09:30 +0100)]
net: socket: Make unnecessarily global sockfs_setattr() static

Make sockfs_setattr() static as it is not used outside of net/socket.c

This fixes the following GCC warning:
net/socket.c:534:5: warning: no previous prototype for ‘sockfs_setattr’ [-Wmissing-prototypes]

Fixes: 86741ec25462 ("net: core: Add a UID field to struct sock.")
Cc: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge tag 'wireless-drivers-for-davem-2017-01-10' of git://git.kernel.org/pub/scm...
David S. Miller [Tue, 10 Jan 2017 16:27:46 +0000 (11:27 -0500)]
Merge tag 'wireless-drivers-for-davem-2017-01-10' of git://git./linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
wireless-drivers fixes for 4.10

Only two fixes at this time. The rtlwifi fix is an important one as it
fixes a reported oops and Linus was already asking about it. The
orinoco fix is not tested on a real device, because it's old legacy
hardware and hardly no-one use it, but it should fix a (theoretical)
issue with VMAP_STACK.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agotcp: do not export tcp_peer_is_proven()
Eric Dumazet [Mon, 9 Jan 2017 16:51:32 +0000 (08:51 -0800)]
tcp: do not export tcp_peer_is_proven()

After commit 1fb6f159fd21 ("tcp: add tcp_conn_request"),
tcp_peer_is_proven() no longer needs to be exported.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: phy: Add Meson GXL PHY hardware dependency
Jean Delvare [Mon, 9 Jan 2017 14:17:27 +0000 (15:17 +0100)]
net: phy: Add Meson GXL PHY hardware dependency

As I understand it the Meson GXL PHY driver is only useful on one
architecture so only make it visible on that architecture.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes: 7334b3e47aee ("net: phy: Add Meson GXL Internal PHY driver")
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet/appletalk: Fix kernel memory disclosure
Vlad Tsyrklevich [Mon, 9 Jan 2017 13:57:48 +0000 (20:57 +0700)]
net/appletalk: Fix kernel memory disclosure

ipddp_route structs contain alignment padding so kernel heap memory
is leaked when they are copied to user space in
ipddp_ioctl(SIOCFINDIPDDPRT). Change kmalloc() to kzalloc() to clear
that memory.

Signed-off-by: Vlad Tsyrklevich <vlad@tsyrklevich.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoipv4: make tcp_notsent_lowat sysctl knob behave as true unsigned int
Pavel Tikhomirov [Mon, 9 Jan 2017 07:45:49 +0000 (10:45 +0300)]
ipv4: make tcp_notsent_lowat sysctl knob behave as true unsigned int

> cat /proc/sys/net/ipv4/tcp_notsent_lowat
-1
> echo 4294967295 > /proc/sys/net/ipv4/tcp_notsent_lowat
-bash: echo: write error: Invalid argument
> echo -2147483648 > /proc/sys/net/ipv4/tcp_notsent_lowat
> cat /proc/sys/net/ipv4/tcp_notsent_lowat
-2147483648

but in documentation we have "tcp_notsent_lowat - UNSIGNED INTEGER"

v2: simplify to just proc_douintvec
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoipv6: fix typos
Alexander Alemayhu [Sat, 7 Jan 2017 22:53:00 +0000 (23:53 +0100)]
ipv6: fix typos

o s/approriate/appropriate
o s/discouvery/discovery

Signed-off-by: Alexander Alemayhu <alexander@alemayhu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge tag 'drm-fixes-for-v4.10-rc4' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Mon, 9 Jan 2017 20:54:20 +0000 (12:54 -0800)]
Merge tag 'drm-fixes-for-v4.10-rc4' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "amdgpu, radeon, msm, meson, tilcdc, drm fixes.

  Just back online for a couple of days, gathered up the remaining fixes
  pull requests.

  This contains fixes for a few ARM platforms (msm, tilcdc, meson), and
  one core atomic fix. The AMD pull has some new hardware support
  (Polaris12) in it, but this is pretty limited to just hw enablement
  and shouldn't cause any problems"

* tag 'drm-fixes-for-v4.10-rc4' of git://people.freedesktop.org/~airlied/linux:
  drm/amdgpu: drop verde dpm quirks
  drm/radeon: drop verde dpm quirks
  drm/radeon: update smc firmware selection for SI
  drm/amdgpu: update si kicker smc firmware
  drm/amd/powerplay: extend smu's response timeout time.
  drm/amdgpu: remove static integer for uvd pp state
  drm/amd/amdgpu: add Polaris12 PCI ID
  drm/amdgpu/powerplay: add Polaris12 support
  drm/amd/amdgpu: add Polaris12 support (v3)
  MAINTAINERS: Update mailing list for radeon and amdgpu
  drm/meson: Fix CVBS VDAC disable
  drm/meson: Fix CVBS initialization when HDMI is configured by bootloader
  drm: Clean up planes in atomic commit helper failure path
  drm: tilcdc: simplify the recovery from sync lost error on rev1
  drm/meson: Fix plane atomic check when no crtc for the plane
  drm/msm: Verify that MSM_SUBMIT_BO_FLAGS are set
  drm/msm: Put back the vaddr in submit_reloc()
  drm/msm: Ensure that the hardware write pointer is valid

7 years agoMerge tag 'gpio-v4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
Linus Torvalds [Mon, 9 Jan 2017 20:50:33 +0000 (12:50 -0800)]
Merge tag 'gpio-v4.10-2' of git://git./linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:

 - move freeing of GPIO hogs to after freeing the device to get rid of a
   warning state.

 - a small compile warning fix

* tag 'gpio-v4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: Move freeing of GPIO hogs before numbing of the device
  gpio: mxs: remove __init annotation

7 years agophy state machine: failsafe leave invalid RUNNING state
Zefir Kurtisi [Fri, 6 Jan 2017 11:14:48 +0000 (12:14 +0100)]
phy state machine: failsafe leave invalid RUNNING state

While in RUNNING state, phy_state_machine() checks for link changes by
comparing phydev->link before and after calling phy_read_status().
This works as long as it is guaranteed that phydev->link is never
changed outside the phy_state_machine().

If in some setups this happens, it causes the state machine to miss
a link loss and remain RUNNING despite phydev->link being 0.

This has been observed running a dsa setup with a process continuously
polling the link states over ethtool each second (SNMPD RFC-1213
agent). Disconnecting the link on a phy followed by a ETHTOOL_GSET
causes dsa_slave_get_settings() / dsa_slave_get_link_ksettings() to
call phy_read_status() and with that modify the link status - and
with that bricking the phy state machine.

This patch adds a fail-safe check while in RUNNING, which causes to
move to CHANGELINK when the link is gone and we are still RUNNING.

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Mon, 9 Jan 2017 19:58:28 +0000 (11:58 -0800)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Fix dumping of nft_quota entries, from Pablo Neira Ayuso.

 2) Fix out of bounds access in nf_tables discovered by KASAN, from
    Florian Westphal.

 3) Fix IRQ enabling in dp83867 driver, from Grygorii Strashko.

 4) Fix unicast filtering in be2net driver, from Ivan Vecera.

 5) tg3_get_stats64() can race with driver close and ethtool
    reconfigurations, fix from Michael Chan.

 6) Fix error handling when pass limit is reached in bpf code gen on
    x86. From Daniel Borkmann.

 7) Don't clobber switch ops and use proper MDIO nested reads and writes
    in bcm_sf2 driver, from Florian Fainelli.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (21 commits)
  net: dsa: bcm_sf2: Utilize nested MDIO read/write
  net: dsa: bcm_sf2: Do not clobber b53_switch_ops
  net: stmmac: fix maxmtu assignment to be within valid range
  bpf: change back to orig prog on too many passes
  tg3: Fix race condition in tg3_get_stats64().
  be2net: fix unicast list filling
  be2net: fix accesses to unicast list
  netlabel: add CALIPSO to the list of built-in protocols
  vti6: fix device register to report IFLA_INFO_KIND
  net: phy: dp83867: fix irq generation
  amd-xgbe: Fix IRQ processing when running in single IRQ mode
  sh_eth: R8A7740 supports packet shecksumming
  sh_eth: fix EESIPR values for SH77{34|63}
  r8169: fix the typo in the comment
  nl80211: fix sched scan netlink socket owner destruction
  bridge: netfilter: Fix dropping packets that moving through bridge interface
  netfilter: ipt_CLUSTERIP: check duplicate config when initializing
  netfilter: nft_payload: mangle ckecksum if NFT_PAYLOAD_L4CSUM_PSEUDOHDR is set
  netfilter: nf_tables: fix oob access
  netfilter: nft_queue: use raw_smp_processor_id()
  ...

7 years agoMerge branch 'bcm_sf2-fixes'
David S. Miller [Mon, 9 Jan 2017 03:01:22 +0000 (22:01 -0500)]
Merge branch 'bcm_sf2-fixes'

Florian Fainelli says:

====================
net: dsa: bcm_sf2: Couple fixes

Here are a couple of fixes for bcm_sf2, please queue these up for -stable
as well, thank you very much!
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: dsa: bcm_sf2: Utilize nested MDIO read/write
Florian Fainelli [Sun, 8 Jan 2017 05:01:57 +0000 (21:01 -0800)]
net: dsa: bcm_sf2: Utilize nested MDIO read/write

We are implementing a MDIO bus which is behind another one, so use the
nested version of the accessors to get lockdep annotations correct.

Fixes: 461cd1b03e32 ("net: dsa: bcm_sf2: Register our slave MDIO bus")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: dsa: bcm_sf2: Do not clobber b53_switch_ops
Florian Fainelli [Sun, 8 Jan 2017 05:01:56 +0000 (21:01 -0800)]
net: dsa: bcm_sf2: Do not clobber b53_switch_ops

We make the bcm_sf2 driver override ds->ops which points to
b53_switch_ops since b53_switch_alloc() did the assignent. This is all
well and good until a second b53 switch comes in, and ends up using the
bcm_sf2 operations. Make a proper local copy, substitute the ds->ops
pointer and then override the operations.

Fixes: f458995b9ad8 ("net: dsa: bcm_sf2: Utilize core B53 driver when possible")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge branch 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux into drm...
Dave Airlie [Sun, 8 Jan 2017 23:47:19 +0000 (09:47 +1000)]
Merge branch 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

Fixes for 4.10:
- Polaris 12 support
- Add new amd-gfx mailing list to MAINTAINERS file
- UVD clockgating fix
- SI dpm fixes

* 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: drop verde dpm quirks
  drm/radeon: drop verde dpm quirks
  drm/radeon: update smc firmware selection for SI
  drm/amdgpu: update si kicker smc firmware
  drm/amd/powerplay: extend smu's response timeout time.
  drm/amdgpu: remove static integer for uvd pp state
  drm/amd/amdgpu: add Polaris12 PCI ID
  drm/amdgpu/powerplay: add Polaris12 support
  drm/amd/amdgpu: add Polaris12 support (v3)
  MAINTAINERS: Update mailing list for radeon and amdgpu

7 years agonet: stmmac: fix maxmtu assignment to be within valid range
Kweh, Hock Leong [Sat, 7 Jan 2017 09:32:03 +0000 (17:32 +0800)]
net: stmmac: fix maxmtu assignment to be within valid range

There is no checking valid value of maxmtu when getting it from
device tree. This resolution added the checking condition to
ensure the assignment is made within a valid range.

Signed-off-by: Kweh, Hock Leong <hock.leong.kweh@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge branch 'msm-fixes-4.10' of git://people.freedesktop.org/~robclark/linux into...
Dave Airlie [Sun, 8 Jan 2017 23:13:20 +0000 (09:13 +1000)]
Merge branch 'msm-fixes-4.10' of git://people.freedesktop.org/~robclark/linux into drm-fixes

A few fixes for 4.10.. the first fixes a long-standing logic bug, that
by luck (ie. size of packets written into RB for a submit) wasn't hit
on a3xx/a4xx but was causing intermittent GPU lockups on a5xx.  And a
couple other robustness issues that Jordan noticed.

* 'msm-fixes-4.10' of git://people.freedesktop.org/~robclark/linux:
  drm/msm: Verify that MSM_SUBMIT_BO_FLAGS are set
  drm/msm: Put back the vaddr in submit_reloc()
  drm/msm: Ensure that the hardware write pointer is valid

7 years agoMerge tag 'meson-drm-fixes-for-4.10' of git://people.freedesktop.org/~narmstrong...
Dave Airlie [Sun, 8 Jan 2017 23:13:13 +0000 (09:13 +1000)]
Merge tag 'meson-drm-fixes-for-4.10' of git://people.freedesktop.org/~narmstrong/linux into drm-fixes

- plan atomic check oops fix
- fix CVBS init when HDMI is configured by bootloader
- fix CVBS VDAC disable

* tag 'meson-drm-fixes-for-4.10' of git://people.freedesktop.org/~narmstrong/linux:
  drm/meson: Fix CVBS VDAC disable
  drm/meson: Fix CVBS initialization when HDMI is configured by bootloader
  drm/meson: Fix plane atomic check when no crtc for the plane

7 years agoMerge tag 'tilcdc-4.10-fixes' of https://github.com/jsarha/linux into drm-fixes
Dave Airlie [Sun, 8 Jan 2017 23:13:06 +0000 (09:13 +1000)]
Merge tag 'tilcdc-4.10-fixes' of https://github.com/jsarha/linux into drm-fixes

tilcdc fixes for v4.10.

* tag 'tilcdc-4.10-fixes' of https://github.com/jsarha/linux:
  drm: tilcdc: simplify the recovery from sync lost error on rev1

7 years agoMerge tag 'drm-misc-fixes-2017-01-04' of git://anongit.freedesktop.org/git/drm-misc...
Dave Airlie [Sun, 8 Jan 2017 23:12:45 +0000 (09:12 +1000)]
Merge tag 'drm-misc-fixes-2017-01-04' of git://anongit.freedesktop.org/git/drm-misc into drm-fixes

single drm fix.

* tag 'drm-misc-fixes-2017-01-04' of git://anongit.freedesktop.org/git/drm-misc:
  drm: Clean up planes in atomic commit helper failure path

7 years agoLinux 4.10-rc3
Linus Torvalds [Sun, 8 Jan 2017 22:18:17 +0000 (14:18 -0800)]
Linux 4.10-rc3

7 years agobpf: change back to orig prog on too many passes
Daniel Borkmann [Fri, 6 Jan 2017 23:26:33 +0000 (00:26 +0100)]
bpf: change back to orig prog on too many passes

If after too many passes still no image could be emitted, then
swap back to the original program as we do in all other cases
and don't use the one with blinding.

Fixes: 959a75791603 ("bpf, x86: add support for constant blinding")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge tag 'usb-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Sun, 8 Jan 2017 19:42:04 +0000 (11:42 -0800)]
Merge tag 'usb-4.10-rc3' of git://git./linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a bunch of USB fixes for 4.10-rc3. Yeah, it's a lot, an
  artifact of the holiday break I think.

  Lots of gadget and the usual XHCI fixups for reported issues (one day
  that driver will calm down...) Also included are a bunch of usb-serial
  driver fixes, and for good measure, a number of much-reported MUSB
  driver issues have finally been resolved.

  All of these have been in linux-next with no reported issues"

* tag 'usb-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (72 commits)
  USB: fix problems with duplicate endpoint addresses
  usb: ohci-at91: use descriptor-based gpio APIs correctly
  usb: storage: unusual_uas: Add JMicron JMS56x to unusual device
  usb: hub: Move hub_port_disable() to fix warning if PM is disabled
  usb: musb: blackfin: add bfin_fifo_offset in bfin_ops
  usb: musb: fix compilation warning on unused function
  usb: musb: Fix trying to free already-free IRQ 4
  usb: musb: dsps: implement clear_ep_rxintr() callback
  usb: musb: core: add clear_ep_rxintr() to musb_platform_ops
  USB: serial: ti_usb_3410_5052: fix NULL-deref at open
  USB: serial: spcp8x5: fix NULL-deref at open
  USB: serial: quatech2: fix sleep-while-atomic in close
  USB: serial: pl2303: fix NULL-deref at open
  USB: serial: oti6858: fix NULL-deref at open
  USB: serial: omninet: fix NULL-derefs at open and disconnect
  USB: serial: mos7840: fix misleading interrupt-URB comment
  USB: serial: mos7840: remove unused write URB
  USB: serial: mos7840: fix NULL-deref at open
  USB: serial: mos7720: remove obsolete port initialisation
  USB: serial: mos7720: fix parallel probe
  ...

7 years agoMerge tag 'char-misc-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregk...
Linus Torvalds [Sun, 8 Jan 2017 19:37:44 +0000 (11:37 -0800)]
Merge tag 'char-misc-4.10-rc3' of git://git./linux/kernel/git/gregkh/char-misc

Pull char/misc fixes from Greg KH:
 "Here are a few small char/misc driver fixes for 4.10-rc3.

  Two MEI driver fixes, and three NVMEM patches for reported issues, and
  a new Hyper-V driver MAINTAINER update. Nothing major at all, all have
  been in linux-next with no reported issues"

* tag 'char-misc-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  hyper-v: Add myself as additional MAINTAINER
  nvmem: fix nvmem_cell_read() return type doc
  nvmem: imx-ocotp: Fix wrong register size
  nvmem: qfprom: Allow single byte accesses for read/write
  mei: move write cb to completion on credentials failures
  mei: bus: fix mei_cldev_enable KDoc

7 years agoMerge tag 'staging-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sun, 8 Jan 2017 19:22:00 +0000 (11:22 -0800)]
Merge tag 'staging-4.10-rc3' of git://git./linux/kernel/git/gregkh/staging

Pull staging/IIO fixes from Greg KH:
 "Here are some staging and IIO driver fixes for 4.10-rc3.

  Most of these are minor IIO fixes of reported issues, along with one
  network driver fix to resolve an issue. And a MAINTAINERS update with
  a new mailing list. All of these, except the MAINTAINERS file update,
  have been in linux-next with no reported issues (the MAINTAINERS patch
  happened on Friday...)"

* tag 'staging-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  MAINTAINERS: add greybus subsystem mailing list
  staging: octeon: Call SET_NETDEV_DEV()
  iio: accel: st_accel: fix LIS3LV02 reading and scaling
  iio: common: st_sensors: fix channel data parsing
  iio: max44000: correct value in illuminance_integration_time_available
  iio: adc: TI_AM335X_ADC should depend on HAS_DMA
  iio: bmi160: Fix time needed to sleep after command execution
  iio: 104-quad-8: Fix active level mismatch for the preset enable option
  iio: 104-quad-8: Fix off-by-one errors when addressing IOR
  iio: 104-quad-8: Fix index control configuration

7 years agotg3: Fix race condition in tg3_get_stats64().
Michael Chan [Fri, 6 Jan 2017 21:18:53 +0000 (16:18 -0500)]
tg3: Fix race condition in tg3_get_stats64().

The driver's ndo_get_stats64() method is not always called under RTNL.
So it can race with driver close or ethtool reconfigurations.  Fix the
race condition by taking tp->lock spinlock in tg3_free_consistent()
when freeing the tp->hw_stats memory block.  tg3_get_stats64() is
already taking tp->lock.

Reported-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobe2net: fix unicast list filling
Ivan Vecera [Fri, 6 Jan 2017 20:59:30 +0000 (21:59 +0100)]
be2net: fix unicast list filling

The adapter->pmac_id[0] item is used for primary MAC address but
this is not true for adapter->uc_list[0] as is assumed in
be_set_uc_list(). There are N UC addresses copied first from net_device
to adapter->uc_list[1..N] and then N UC addresses from
adapter->uc_list[0..N-1] are sent to HW. So the last UC address is never
stored into HW and address 00:00:00:00;00:00 (from uc_list[0]) is used
instead.

Cc: Sathya Perla <sathya.perla@broadcom.com>
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Cc: Somnath Kotur <somnath.kotur@broadcom.com>
Fixes: b717241 be2net: replace polling with sleeping in the FW completion path
Signed-off-by: Ivan Vecera <cera@cera.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agomm: workingset: fix use-after-free in shadow node shrinker
Johannes Weiner [Sat, 7 Jan 2017 00:21:43 +0000 (19:21 -0500)]
mm: workingset: fix use-after-free in shadow node shrinker

Several people report seeing warnings about inconsistent radix tree
nodes followed by crashes in the workingset code, which all looked like
use-after-free access from the shadow node shrinker.

Dave Jones managed to reproduce the issue with a debug patch applied,
which confirmed that the radix tree shrinking indeed frees shadow nodes
while they are still linked to the shadow LRU:

  WARNING: CPU: 2 PID: 53 at lib/radix-tree.c:643 delete_node+0x1e4/0x200
  CPU: 2 PID: 53 Comm: kswapd0 Not tainted 4.10.0-rc2-think+ #3
  Call Trace:
     delete_node+0x1e4/0x200
     __radix_tree_delete_node+0xd/0x10
     shadow_lru_isolate+0xe6/0x220
     __list_lru_walk_one.isra.4+0x9b/0x190
     list_lru_walk_one+0x23/0x30
     scan_shadow_nodes+0x2e/0x40
     shrink_slab.part.44+0x23d/0x5d0
     shrink_node+0x22c/0x330
     kswapd+0x392/0x8f0

This is the WARN_ON_ONCE(!list_empty(&node->private_list)) placed in the
inlined radix_tree_shrink().

The problem is with 14b468791fa9 ("mm: workingset: move shadow entry
tracking to radix tree exceptional tracking"), which passes an update
callback into the radix tree to link and unlink shadow leaf nodes when
tree entries change, but forgot to pass the callback when reclaiming a
shadow node.

While the reclaimed shadow node itself is unlinked by the shrinker, its
deletion from the tree can cause the left-most leaf node in the tree to
be shrunk.  If that happens to be a shadow node as well, we don't unlink
it from the LRU as we should.

Consider this tree, where the s are shadow entries:

       root->rnode
            |
       [0       n]
        |       |
     [s    ] [sssss]

Now the shadow node shrinker reclaims the rightmost leaf node through
the shadow node LRU:

       root->rnode
            |
       [0        ]
        |
    [s     ]

Because the parent of the deleted node is the first level below the
root and has only one child in the left-most slot, the intermediate
level is shrunk and the node containing the single shadow is put in
its place:

       root->rnode
            |
       [s        ]

The shrinker again sees a single left-most slot in a first level node
and thus decides to store the shadow in root->rnode directly and free
the node - which is a leaf node on the shadow node LRU.

  root->rnode
       |
       s

Without the update callback, the freed node remains on the shadow LRU,
where it causes later shrinker runs to crash.

Pass the node updater callback into __radix_tree_delete_node() in case
the deletion causes the left-most branch in the tree to collapse too.

Also add warnings when linked nodes are freed right away, rather than
wait for the use-after-free when the list is scanned much later.

Fixes: 14b468791fa9 ("mm: workingset: move shadow entry tracking to radix tree exceptional tracking")
Reported-by: Dave Chinner <david@fromorbit.com>
Reported-by: Hugh Dickins <hughd@google.com>
Reported-by: Andrea Arcangeli <aarcange@redhat.com>
Reported-and-tested-by: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Chris Leech <cleech@redhat.com>
Cc: Lee Duncan <lduncan@suse.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@linuxonhyperv.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
7 years agomm: stop leaking PageTables
Hugh Dickins [Sat, 7 Jan 2017 23:37:31 +0000 (15:37 -0800)]
mm: stop leaking PageTables

4.10-rc loadtest (even on x86, and even without THPCache) fails with
"fork: Cannot allocate memory" or some such; and /proc/meminfo shows
PageTables growing.

Commit 953c66c2b22a ("mm: THP page cache support for ppc64") that got
merged in rc1 removed the freeing of an unused preallocated pagetable
after do_fault_around() has called map_pages().

This is usually a good optimization, so that the followup doesn't have
to reallocate one; but it's not sufficient to shift the freeing into
alloc_set_pte(), since there are failure cases (most commonly
VM_FAULT_RETRY) which never reach finish_fault().

Check and free it at the outer level in do_fault(), then we don't need
to worry in alloc_set_pte(), and can restore that to how it was (I
cannot find any reason to pte_free() under lock as it was doing).

And fix a separate pagetable leak, or crash, introduced by the same
change, that could only show up on some ppc64: why does do_set_pmd()'s
failure case attempt to withdraw a pagetable when it never deposited
one, at the same time overwriting (so leaking) the vmf->prealloc_pte?
Residue of an earlier implementation, perhaps? Delete it.

Fixes: 953c66c2b22a ("mm: THP page cache support for ppc64")
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
7 years agoMerge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Linus Torvalds [Sat, 7 Jan 2017 17:47:43 +0000 (09:47 -0800)]
Merge branch 'rc-fixes' of git://git./linux/kernel/git/mmarek/kbuild

Pull kbuild fix from Michal Marek:
 "The asm-prototypes.h file added in the last merge window results in
  invalid code with CONFIG_KMEMCHECK=y. The net result is that genksyms
  segfaults.

  This pull request fixes the header, the genksyms fix is in my kbuild
  branch for 4.11"

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  asm-prototypes: Clear any CPP defines before declaring the functions

7 years agoMAINTAINERS: add greybus subsystem mailing list
Greg Kroah-Hartman [Fri, 6 Jan 2017 07:20:03 +0000 (08:20 +0100)]
MAINTAINERS: add greybus subsystem mailing list

The Greybus driver subsystem has a mailing list, so list it in the
MAINTAINERS file so that people know to send patches there as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 years agobe2net: fix accesses to unicast list
Ivan Vecera [Fri, 6 Jan 2017 19:30:02 +0000 (20:30 +0100)]
be2net: fix accesses to unicast list

Commit 988d44b "be2net: Avoid redundant addition of mac address in HW"
introduced be_dev_mac_add & be_uc_mac_add helpers that incorrectly
access adapter->uc_list as an array of bytes instead of an array of
be_eth_addr. Consequently NIC is not filled with valid data so unicast
filtering is broken.

Cc: Sathya Perla <sathya.perla@broadcom.com>
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Cc: Somnath Kotur <somnath.kotur@broadcom.com>
Fixes: 988d44b be2net: Avoid redundant addition of mac address in HW
Signed-off-by: Ivan Vecera <cera@cera.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonetlabel: add CALIPSO to the list of built-in protocols
Paul Moore [Fri, 6 Jan 2017 19:26:54 +0000 (14:26 -0500)]
netlabel: add CALIPSO to the list of built-in protocols

When we added CALIPSO support in Linux v4.8 we forgot to add it to the
list of supported protocols with display at boot.

Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge tag 'sound-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
Linus Torvalds [Fri, 6 Jan 2017 23:38:39 +0000 (15:38 -0800)]
Merge tag 'sound-4.10-rc3' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Nothing particular stands out, only a few small fixes for USB-audio,
  HD-audio and Firewire. The USB-audio fix is the respin of the previous
  race fix after a revert due to the regression"

* tag 'sound-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  Revert "ALSA: firewire-lib: change structure member with proper type"
  ALSA: usb-audio: test EP_FLAG_RUNNING at urb completion
  ALSA: usb-audio: Fix irq/process data synchronization
  ALSA: hda - Apply asus-mode8 fixup to ASUS X71SL
  ALSA: hda - Fix up GPIO for ASUS ROG Ranger
  ALSA: firewire-lib: change structure member with proper type
  ALSA: firewire-tascam: Fix to handle error from initialization of stream data
  ALSA: fireworks: fix asymmetric API call at unit removal

7 years agoMerge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 6 Jan 2017 23:35:27 +0000 (15:35 -0800)]
Merge tag 'clk-fixes-for-linus' of git://git./linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "One fix for a broken driver on Renesas RZ/A1 SoCs with bootloaders
  that don't turn all the clks on and another fix for stm32f4 SoCs where
  we have multiple drivers attaching to the same DT node"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: stm32f4: Use CLK_OF_DECLARE_DRIVER initialization method
  clk: renesas: mstp: Support 8-bit registers for r7s72100

7 years agoMerge tag 'hwmon-for-linus-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 6 Jan 2017 23:32:40 +0000 (15:32 -0800)]
Merge tag 'hwmon-for-linus-v4.10-rc3' of git://git./linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:
 "Fix temp1_max_alarm attribute in lm90 driver"

* tag 'hwmon-for-linus-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (lm90) fix temp1_max_alarm attribute

7 years agoMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Fri, 6 Jan 2017 23:27:17 +0000 (15:27 -0800)]
Merge tag 'for-linus' of git://git./virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "MIPS:
   - fix host kernel crashes when receiving a signal with 64-bit
     userspace

   - flush instruction cache on all vcpus after generating entry code

     (both for stable)

  x86:
   - fix NULL dereference in MMU caused by SMM transitions (for stable)

   - correct guest instruction pointer after emulating some VMX errors

   - minor cleanup"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: VMX: remove duplicated declaration
  KVM: MIPS: Flush KVM entry code from icache globally
  KVM: MIPS: Don't clobber CP0_Status.UX
  KVM: x86: reset MMU on KVM_SET_VCPU_EVENTS
  KVM: nVMX: fix instruction skipping during emulated vm-entry

7 years agoMerge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Linus Torvalds [Fri, 6 Jan 2017 23:18:58 +0000 (15:18 -0800)]
Merge tag 'arm64-fixes' of git://git./linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - re-introduce the arm64 get_current() optimisation

 - KERN_CONT fallout fix in show_pte()

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: restore get_current() optimisation
  arm64: mm: fix show_pte KERN_CONT fallout

7 years agodrm/amdgpu: drop verde dpm quirks
Alex Deucher [Thu, 5 Jan 2017 18:02:37 +0000 (13:02 -0500)]
drm/amdgpu: drop verde dpm quirks

Port of radeon change to amdgpu.

Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
7 years agodrm/radeon: drop verde dpm quirks
Alex Deucher [Thu, 5 Jan 2017 17:39:01 +0000 (12:39 -0500)]
drm/radeon: drop verde dpm quirks

fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=98897
https://bugs.launchpad.net/bugs/1651981

Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Cc: Adrian Fiergolski <A.Fiergolski@gmail.com>
7 years agodrm/radeon: update smc firmware selection for SI
Alex Deucher [Thu, 5 Jan 2017 17:15:52 +0000 (12:15 -0500)]
drm/radeon: update smc firmware selection for SI

Use the appropriate smc firmware for each chip revision.
Using the wrong one can cause stability issues.

Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
7 years agodrm/amdgpu: update si kicker smc firmware
Flora Cui [Thu, 15 Dec 2016 05:43:59 +0000 (13:43 +0800)]
drm/amdgpu: update si kicker smc firmware

Use the appropriate smc firmware for each chip revision.
Using the wrong one can cause stability issues.

Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
7 years agodrm/amd/powerplay: extend smu's response timeout time.
Rex Zhu [Wed, 21 Dec 2016 09:44:59 +0000 (17:44 +0800)]
drm/amd/powerplay: extend smu's response timeout time.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
7 years agodrm/amdgpu: remove static integer for uvd pp state
Yintian Tao [Wed, 21 Dec 2016 06:32:21 +0000 (14:32 +0800)]
drm/amdgpu: remove static integer for uvd pp state

At two gpu core condition, static integer will cause that second gpu
core uvd state setting will be directly skipped due to the first one
setting

Signed-off-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
7 years agodrm/amd/amdgpu: add Polaris12 PCI ID
Junwei Zhang [Thu, 4 Aug 2016 04:54:22 +0000 (12:54 +0800)]
drm/amd/amdgpu: add Polaris12 PCI ID

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
7 years agodrm/amdgpu/powerplay: add Polaris12 support
Junwei Zhang [Wed, 14 Dec 2016 20:40:48 +0000 (15:40 -0500)]
drm/amdgpu/powerplay: add Polaris12 support

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
7 years agodrm/amd/amdgpu: add Polaris12 support (v3)
Junwei Zhang [Wed, 14 Dec 2016 20:32:28 +0000 (15:32 -0500)]
drm/amd/amdgpu: add Polaris12 support (v3)

v2: agd: squash in various fixes
v3: agd: squash in:
drm/amdgpu: remove unnecessary smc sk firmware for polaris12

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
7 years agoMAINTAINERS: Update mailing list for radeon and amdgpu
Alex Deucher [Mon, 19 Dec 2016 18:30:13 +0000 (13:30 -0500)]
MAINTAINERS: Update mailing list for radeon and amdgpu

amdgpu and radeon development has moved to this list.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
7 years agoMerge tag 'mac80211-for-davem-2017-01-06' of git://git.kernel.org/pub/scm/linux/kerne...
David S. Miller [Fri, 6 Jan 2017 21:26:19 +0000 (16:26 -0500)]
Merge tag 'mac80211-for-davem-2017-01-06' of git://git./linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Another single fix, to correctly handle destruction of a
single netlink socket having ownership of multiple objects
(scheduled scan requests and interfaces.)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agovti6: fix device register to report IFLA_INFO_KIND
David Forster [Fri, 6 Jan 2017 10:27:59 +0000 (10:27 +0000)]
vti6: fix device register to report IFLA_INFO_KIND

vti6 interface is registered before the rtnl_link_ops block
is attached. As a result the resulting RTM_NEWLINK is missing
IFLA_INFO_KIND. Re-order attachment of rtnl_link_ops block to fix.

Signed-off-by: Dave Forster <dforster@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: phy: dp83867: fix irq generation
Grygorii Strashko [Thu, 5 Jan 2017 20:48:07 +0000 (14:48 -0600)]
net: phy: dp83867: fix irq generation

For proper IRQ generation by DP83867 phy the INT/PWDN pin has to be
programmed as an interrupt output instead of a Powerdown input in
Configuration Register 3 (CFG3), Address 0x001E, bit 7 INT_OE = 1. The
current driver doesn't do this and as result IRQs will not be generated by
DP83867 phy even if they are properly configured in DT.

Hence, fix IRQ generation by properly configuring CFG3.INT_OE bit and
ensure that Link Status Change (LINK_STATUS_CHNG_INT) and Auto-Negotiation
Complete (AUTONEG_COMP_INT) interrupt are enabled. After this the DP83867
driver will work properly in interrupt enabled mode.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoamd-xgbe: Fix IRQ processing when running in single IRQ mode
Lendacky, Thomas [Wed, 4 Jan 2017 21:07:16 +0000 (15:07 -0600)]
amd-xgbe: Fix IRQ processing when running in single IRQ mode

When running in single IRQ mode, the additional IRQ routines were being
skipped because only the XGMAC interrupt status was being checked.
Update the code so that the additional IRQ routines are checked whenever
an interrupt is received.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agosh_eth: R8A7740 supports packet shecksumming
Sergei Shtylyov [Wed, 4 Jan 2017 21:29:32 +0000 (00:29 +0300)]
sh_eth: R8A7740 supports packet shecksumming

The R8A7740 GEther controller supports the packet checksum offloading
but the 'hw_crc' (bad name, I'll fix it) flag isn't set in the R8A7740
data,  thus CSMR isn't cleared...

Fixes: 73a0d907301e ("net: sh_eth: add support R8A7740")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agosh_eth: fix EESIPR values for SH77{34|63}
Sergei Shtylyov [Wed, 4 Jan 2017 19:18:24 +0000 (22:18 +0300)]
sh_eth: fix EESIPR values for SH77{34|63}

As the SH77{34|63} manuals are freely available,  I've checked the EESIPR
values written against the manuals, and they appeared to set the reserved
bits 11-15 (which should be 0 on write). Fix those EESIPR values.

Fixes: 380af9e390ec ("net: sh_eth: CPU dependency code collect to "struct sh_eth_cpu_data"")
Fixes: f5d12767c8fd ("sh_eth: get SH77{34|63} support out of #ifdef")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge tag 'vfio-v4.10-rc3' of git://github.com/awilliam/linux-vfio
Linus Torvalds [Fri, 6 Jan 2017 19:19:03 +0000 (11:19 -0800)]
Merge tag 'vfio-v4.10-rc3' of git://github.com/awilliam/linux-vfio

Pull VFIO fixes from Alex Williamson:
 - Add mtty sample driver properly into build system (Alex Williamson)
 - Restore type1 mapping performance after mdev (Alex Williamson)
 - Fix mdev device race (Alex Williamson)
 - Cleanups to the mdev ABI used by vendor drivers (Alex Williamson)
 - Build fix for old compilers (Arnd Bergmann)
 - Fix sample driver error path (Dan Carpenter)
 - Handle pci_iomap() error (Arvind Yadav)
 - Fix mdev ioctl return type (Paul Gortmaker)

* tag 'vfio-v4.10-rc3' of git://github.com/awilliam/linux-vfio:
  vfio-mdev: fix non-standard ioctl return val causing i386 build fail
  vfio-pci: Handle error from pci_iomap
  vfio-mdev: fix some error codes in the sample code
  vfio-pci: use 32-bit comparisons for register address for gcc-4.5
  vfio-mdev: Make mdev_device private and abstract interfaces
  vfio-mdev: Make mdev_parent private
  vfio-mdev: de-polute the namespace, rename parent_device & parent_ops
  vfio-mdev: Fix remove race
  vfio/type1: Restore mapping performance with mdev support
  vfio-mdev: Fix mtty sample driver building

7 years agoMerge branch 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 6 Jan 2017 18:53:21 +0000 (10:53 -0800)]
Merge branch 'stable/for-linus-4.10' of git://git./linux/kernel/git/konrad/swiotlb

Pull swiotlb fixes from Konrad Rzeszutek Wilk:
 "This has one fix to make i915 work when using Xen SWIOTLB, and a
  feature from Geert to aid in debugging of devices that can't do DMA
  outside the 32-bit address space.

  The feature from Geert is on top of v4.10 merge window commit
  (specifically you pulling my previous branch), as his changes were
  dependent on the Documentation/ movement patches.

  I figured it would just easier than me trying than to cherry-pick the
  Documentation patches to satisfy git.

  The patches have been soaking since 12/20, albeit I updated the last
  patch due to linux-next catching an compiler error and adding an
  Tested-and-Reported-by tag"

* 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
  swiotlb: Export swiotlb_max_segment to users
  swiotlb: Add swiotlb=noforce debug option
  swiotlb: Convert swiotlb_force from int to enum
  x86, swiotlb: Simplify pci_swiotlb_detect_override()

7 years agoMerge tag 'iommu-fixes-v4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 6 Jan 2017 18:49:36 +0000 (10:49 -0800)]
Merge tag 'iommu-fixes-v4.10-rc2' of git://git./linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Three fixes queued up:

   - fix an issue with command buffer overflow handling in the AMD IOMMU
     driver

   - add an additional context entry flush to the Intel VT-d driver to
     make sure any old context entry from kdump copying is flushed out
     of the cache

   - correct the encoding of the PASID table size in the Intel VT-d
     driver"

* tag 'iommu-fixes-v4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/amd: Fix the left value check of cmd buffer
  iommu/vt-d: Fix pasid table size encoding
  iommu/vt-d: Flush old iommu caches for kdump when the device gets context mapped

7 years agoMerge tag 'acpi-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
Linus Torvalds [Fri, 6 Jan 2017 18:40:17 +0000 (10:40 -0800)]
Merge tag 'acpi-4.10-rc3' of git://git./linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These fix a device enumeration problem related to _ADR matching and an
  IOMMU initialization issue related to the DMAR table missing, remove
  an excessive function call from the core ACPI code, update an error
  message in the ACPI WDAT watchdog driver and add a way to work around
  problems with unhandled GPE notifications.

  Specifics:

   - Fix a device enumeration issue leading to incorrect associations
     between ACPI device objects and platform device objects
     representing physical devices if the given device object has both
     _ADR and _HID (Rafael Wysocki).

   - Avoid passing NULL to acpi_put_table() during IOMMU initialization
     which triggers a (rightful) warning from ACPICA (Rafael Wysocki).

   - Drop an excessive call to acpi_dma_deconfigure() from the core code
     that binds ACPI device objects to device objects representing
     physical devices (Lorenzo Pieralisi).

   - Update an error message in the ACPI WDAT watchdog driver to make it
     provide more useful information (Mika Westerberg).

   - Add a mechanism to work around issues with unhandled GPE
     notifications that occur during system initialization and cannot be
     prevented by means of sysfs (Lv Zheng)"

* tag 'acpi-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / DMAR: Avoid passing NULL to acpi_put_table()
  ACPI / scan: Prefer devices without _HID/_CID for _ADR matching
  ACPI / watchdog: Print out error number when device creation fails
  ACPI / sysfs: Provide quirk mechanism to prevent GPE flooding
  ACPI: Drop misplaced acpi_dma_deconfigure() call from acpi_bind_one()

7 years agoMerge tag 'pm-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Linus Torvalds [Fri, 6 Jan 2017 18:37:50 +0000 (10:37 -0800)]
Merge tag 'pm-4.10-rc3' of git://git./linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix a few issues in the intel_pstate driver, a documetation
  issue, a false-positive compiler warning in the generic power domains
  framework and two problems in the devfreq subsystem. They also update
  the MAINTAINERS entry for devfreq and add a new "compatible" string to
  the generic cpufreq-dt driver.

  Specifics:

   - Fix a few intel_pstate driver issues: add missing locking it two
     places, avoid exposing a useless debugfs interface and keep the
     attribute values in sysfs in sync (Rafael Wysocki).

   - Drop confusing kernel-doc references related to power management
     and ACPI from the driver API manual (Rafael Wysocki).

   - Make a false-positive compiler warning in the generic power domains
     framework go away (Augusto Mecking Caringi).

   - Fix two initialization issues in the devfreq subsystem and update
     the MAINTAINERS entry for it (Chanwoo Choi).

   - Add a new "compatible" string for APM X-Gene 2 to the generic DT
     cpufreq driver (Hoan Tran)"

* tag 'pm-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: dt: Add support for APM X-Gene 2
  PM / devfreq: exynos-bus: Fix the wrong return value
  PM / devfreq: Fix the bug of devfreq_add_device when governor is NULL
  MAINTAINERS: Add myself as reviewer for DEVFREQ subsystem support
  PM / docs: Drop confusing kernel-doc references from infrastructure.rst
  PM / domains: Fix 'may be used uninitialized' build warning
  cpufreq: intel_pstate: Always keep all limits settings in sync
  cpufreq: intel_pstate: Use locking in intel_cpufreq_verify_policy()
  cpufreq: intel_pstate: Use locking in intel_pstate_resume()
  cpufreq: intel_pstate: Do not expose PID parameters in passive mode

7 years agoswiotlb: Export swiotlb_max_segment to users
Konrad Rzeszutek Wilk [Tue, 20 Dec 2016 15:02:02 +0000 (10:02 -0500)]
swiotlb: Export swiotlb_max_segment to users

So they can figure out what is the optimal number of pages
that can be contingously stitched together without fear of
bounce buffer.

We also expose an mechanism for sub-users of SWIOTLB API, such
as Xen-SWIOTLB to set the max segment value. And lastly
if swiotlb=force is set (which mandates we bounce buffer everything)
we set max_segment so at least we can bounce buffer one 4K page
instead of a giant 512KB one for which we may not have space.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reported-and-Tested-by: Juergen Gross <jgross@suse.com>
7 years agoMerge branches 'acpi-scan', 'acpi-sysfs', 'acpi-wdat' and 'acpi-tables'
Rafael J. Wysocki [Fri, 6 Jan 2017 13:36:30 +0000 (14:36 +0100)]
Merge branches 'acpi-scan', 'acpi-sysfs', 'acpi-wdat' and 'acpi-tables'

* acpi-scan:
  ACPI / scan: Prefer devices without _HID/_CID for _ADR matching
  ACPI: Drop misplaced acpi_dma_deconfigure() call from acpi_bind_one()

* acpi-sysfs:
  ACPI / sysfs: Provide quirk mechanism to prevent GPE flooding

* acpi-wdat:
  ACPI / watchdog: Print out error number when device creation fails

* acpi-tables:
  ACPI / DMAR: Avoid passing NULL to acpi_put_table()

7 years agoMerge branches 'pm-domains', 'pm-docs' and 'pm-devfreq'
Rafael J. Wysocki [Fri, 6 Jan 2017 13:35:32 +0000 (14:35 +0100)]
Merge branches 'pm-domains', 'pm-docs' and 'pm-devfreq'

* pm-domains:
  PM / domains: Fix 'may be used uninitialized' build warning

* pm-docs:
  PM / docs: Drop confusing kernel-doc references from infrastructure.rst

* pm-devfreq:
  PM / devfreq: exynos-bus: Fix the wrong return value
  PM / devfreq: Fix the bug of devfreq_add_device when governor is NULL
  MAINTAINERS: Add myself as reviewer for DEVFREQ subsystem support

7 years agoMerge branch 'pm-cpufreq'
Rafael J. Wysocki [Fri, 6 Jan 2017 13:34:52 +0000 (14:34 +0100)]
Merge branch 'pm-cpufreq'

* pm-cpufreq:
  cpufreq: dt: Add support for APM X-Gene 2
  cpufreq: intel_pstate: Always keep all limits settings in sync
  cpufreq: intel_pstate: Use locking in intel_cpufreq_verify_policy()
  cpufreq: intel_pstate: Use locking in intel_pstate_resume()
  cpufreq: intel_pstate: Do not expose PID parameters in passive mode

7 years agoMerge tag 'platform-drivers-x86-v4.10-3' of git://git.infradead.org/users/dvhart...
Linus Torvalds [Fri, 6 Jan 2017 07:17:41 +0000 (23:17 -0800)]
Merge tag 'platform-drivers-x86-v4.10-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform driver fixes from Darren Hart:
 "Just two small fixes for platform drivers x86:

   - use brightness_set_blocking for LED-setting callbacks on Fujitsu
     laptops

   - fix surface3_button build errors"

* tag 'platform-drivers-x86-v4.10-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
  platform/x86: fujitsu-laptop: use brightness_set_blocking for LED-setting callbacks
  platform/x86: fix surface3_button build errors

7 years agoMerge branch 'stable-4.10' of git://git.infradead.org/users/pcmoore/audit
Linus Torvalds [Fri, 6 Jan 2017 07:06:06 +0000 (23:06 -0800)]
Merge branch 'stable-4.10' of git://git.infradead.org/users/pcmoore/audit

Pull audit fixes from Paul Moore:
 "Two small fixes relating to audit's use of fsnotify.

  The first patch plugs a leak and the second fixes some lock
  shenanigans. The patches are small and I banged on this for an
  afternoon with our testsuite and didn't see anything odd"

* 'stable-4.10' of git://git.infradead.org/users/pcmoore/audit:
  audit: Fix sleep in atomic
  fsnotify: Remove fsnotify_duplicate_mark()

7 years agoMerge tag 'drm-intel-fixes-2017-01-05' of git://anongit.freedesktop.org/git/drm-intel
Linus Torvalds [Thu, 5 Jan 2017 23:06:02 +0000 (15:06 -0800)]
Merge tag 'drm-intel-fixes-2017-01-05' of git://anongit.freedesktop.org/git/drm-intel

Pull i915 drm fixes from Jani Nikula:
 "Here's a bunch of drm/i915 fixes for v4.10-rc3. It includes GVT-g
  fixes.

  My new year's resolution is to start using signed tags for pulls. If
  that feels like a déjà vu, it's ((new year's) resolution), not (new
  (year's resolution))"

[ Taking this directly from Jani because Dave Airlie is only partially
  connected right now.  - Linus ]

* tag 'drm-intel-fixes-2017-01-05' of git://anongit.freedesktop.org/git/drm-intel:
  drm/i915: Prevent timeline updates whilst performing reset
  drm/i915: Silence allocation failure during sg_trim()
  drm/i915: Don't clflush before release phys object
  drm/i915: Fix oops in overlay due to frontbuffer tracking
  drm/i915: Fix oopses in the overlay code due to i915_gem_active stuff
  drm/i915: Initialize overlay->last_flip properly
  drm/i915: Move the min_pixclk[] handling to the end of readout
  drm/i915: Force VDD off on the new power seqeuencer before starting to use it
  drm/i915/gvt: fix typo in cfg_space range check
  drm/i915/gvt: fix an issue in emulating cfg space PCI_COMMAND
  drm/i915/gvt/kvmgt: trival: code cleanup
  drm/i915/gvt/kvmgt: prevent double-release of vgpu
  drm/i915/gvt/kvmgt: check returned slot for gfn
  drm/i915/gvt/kvmgt: dereference the pointer within lock
  drm/i915/gvt: reset the GGTT entry when vGPU created
  drm/i915/gvt: fix an error in opregion handling

7 years agoselftests: x86/pkeys: fix spelling mistake: "itertation" -> "iteration"
Colin King [Tue, 27 Dec 2016 16:17:21 +0000 (16:17 +0000)]
selftests: x86/pkeys: fix spelling mistake: "itertation" -> "iteration"

Fix spelling mistake in print test pass message.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
7 years agoselftests: do not require bash to run netsocktests testcase
Rolf Eike Beer [Wed, 14 Dec 2016 10:59:57 +0000 (11:59 +0100)]
selftests: do not require bash to run netsocktests testcase

Nothing in this minimal script seems to require bash. We often run these
tests on embedded devices where the only shell available is the busybox
ash. Use sh instead.

Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Cc: stable@vger.kernel.org
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
7 years agoselftests: do not require bash to run bpf tests
Rolf Eike Beer [Wed, 14 Dec 2016 10:58:20 +0000 (11:58 +0100)]
selftests: do not require bash to run bpf tests

Nothing in this minimal script seems to require bash. We often run these
tests on embedded devices where the only shell available is the busybox
ash. Use sh instead.

Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Cc: stable@vger.kernel.org
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>