Commit Graph

635110 Commits

Author SHA1 Message Date
Linus Torvalds
116fc01f2e - Bug Fixes
- Fix PCI properties in intel-lpss-pci
   - Fix Resetting issue during suspend in intel-lpss-pci
   - Seperate IRQs for USBC device and CHRG in intel_soc_pmic_bxtwc
   - Add timeout to fix Resetting issue in stmpe
   - Ensure we 'put' reference to device when done in mfd-core
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Merge tag 'mfd-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD fixes from Lee Jones:
 - Fix PCI properties in intel-lpss-pci
 - Fix Resetting issue during suspend in intel-lpss-pci
 - Seperate IRQs for USBC device and CHRG in intel_soc_pmic_bxtwc
 - Add timeout to fix Resetting issue in stmpe
 - Ensure we 'put' reference to device when done in mfd-core

* tag 'mfd-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
  mfd: core: Fix device reference leak in mfd_clone_cell
  mfd: stmpe: Fix RESET regression on STMPE2401
  mfd: intel_soc_pmic_bxtwc: Fix usbc interrupt
  mfd: intel-lpss: Do not put device in reset state on suspend
  mfd: lpss: Fix Intel Kaby Lake PCH-H properties
2016-11-16 09:09:00 -08:00
Mike Marshall
19ff7fcc76 orangefs: add .owner to debugfs file_operations
Without ".owner = THIS_MODULE" it is possible to crash the kernel
by unloading the Orangefs module while someone is reading debugfs
files.

Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2016-11-16 11:52:19 -05:00
Johan Hovold
722f191080 mfd: core: Fix device reference leak in mfd_clone_cell
Make sure to drop the reference taken by bus_find_device_by_name()
before returning from mfd_clone_cell().

Fixes: a9bbba9963 ("mfd: add platform_device sharing support for mfd")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16 09:50:41 +00:00
Linus Walleij
f40584200b mfd: stmpe: Fix RESET regression on STMPE2401
Since commit c4dd1ba355
("mfd: stmpe: Add reset support for all STMPE variant")
we're resetting the STMPE expanders before use.

This caused a regression on the STMP2401 on the Nomadik
NHK8815:

stmpe-i2c 0-0043: stmpe2401 detected, chip id: 0x101
nmk-i2c 101f8000.i2c0: write to slave 0x43 timed out
nmk-i2c 101f8000.i2c0: no ack received after address transmission
stmpe-i2c 0-0044: stmpe2401 detected, chip id: 0x101
nmk-i2c 101f8000.i2c0: write to slave 0x44 timed out
nmk-i2c 101f8000.i2c0: no ack received after address transmission

It turns out that we start to poll for the reset bit to
go low again too quickly: the STMPE2401 is not yet online and
ready to be asked for the status of the RESET bit.

By introducing a 10ms delay before starting to hammer
the register for information, we get back to normal:

stmpe-i2c 0-0043: stmpe2401 detected, chip id: 0x101
stmpe-i2c 0-0044: stmpe2401 detected, chip id: 0x101

Cc: stable@vger.kernel.org
Cc: Amelie Delaunay <amelie.delaunay@st.com>
Fixes: c4dd1ba355 ("mfd: stmpe: Add reset support for all STMPE variant")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16 09:50:33 +00:00
Heikki Krogerus
9600702082 mfd: intel_soc_pmic_bxtwc: Fix usbc interrupt
The wcove USB Type-C driver is currently being flooded with
interrupts that are not targeted to it. The reason for that
is because all CHRG first level interrupts are mapped to it.
This fixes the issue by introducing separate irq for the
usbc device, and mapping only USB Type-C PHY interrupts to
it.

Fixes: 9c6235c863 ("mfd: intel_soc_pmic_bxtwc: Add bxt_wcove_usbc device")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16 09:50:29 +00:00
Azhar Shaikh
274e43edcd mfd: intel-lpss: Do not put device in reset state on suspend
Commit 41a3da2b8e ("mfd: intel-lpss: Save register context on
suspend") saved the register context while going to suspend and
also put the device in reset state.

Due to the resetting of device, system cannot enter S3/S0ix
states when no_console_suspend flag is enabled. The system
and serial console both hang. The resetting of device is not
needed while going to suspend. Hence remove this code.

Cc: stable@vger.kernel.org
Fixes: 41a3da2b8e ("mfd: intel-lpss: Save register context on suspend")
Signed-off-by: Azhar Shaikh <azhar.shaikh@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16 09:50:25 +00:00
Jarkko Nikula
2c8c34167c mfd: lpss: Fix Intel Kaby Lake PCH-H properties
There are a few issues on Intel Kaby Lake PCH-H properties added by
commit a6a576b78e09 ("mfd: lpss: Add Intel Kaby Lake PCH-H PCI IDs"):

- Input clock of I2C controller on Intel Kaby Lake PCH-H is 120 MHz not
  133 MHz. This was probably copy-paste error from Intel Broxton I2C
  properties.
- There is no default I2C SDA hold time specified which is used when
  ACPI doesn't provide it. I got information from Windows driver team
  that Kaby Lake PCH-H can use the same configuration than Intel
  Sunrisepoint PCH.
- Common HS-UART properties are not used.

Fix these by reusing the Sunrisepoint properties on Kaby Lake PCH-H.

Fixes: a6a576b78e09 ("mfd: lpss: Add Intel Kaby Lake PCH-H PCI IDs")
Reported-by: Xiang A Wang <xiang.a.wang@intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16 09:50:18 +00:00
Kan Liang
c499336cea perf/x86/uncore: Fix crash by removing bogus event_list[] handling for SNB client uncore IMC
Vince Weaver reported the following bug when KASAN is enabled:

 [  205.748005] BUG: KASAN: slab-out-of-bounds in snb_uncore_imc_event_del+0x6c/0xa0 at addr ffff8800caa43768
 [  205.758324] Read of size 8 by task perf_fuzzer/6618

It's caused by accessing box->event_list.

For client IMC, there are no generic counters. It defines its own fixed
free running counters. So event_list and n_events are unused.

They can be removed safely, which fixes the bug.

( There's still the separate question of how uninitialized state snuck into
  this data structure - but that's a separate fix. )

Reported-by: Vince Weaver <vincent.weaver@maine.edu>
Tested-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@kernel.org
Cc: davej@codemonkey.org.uk
Cc: dvyukov@google.com
Cc: eranian@gmail.com
Link: http://lkml.kernel.org/r/1479235210-29090-1-git-send-email-kan.liang@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-11-16 09:46:35 +01:00
David Herrmann
f96acec8c8 x86/sysfb: Fix lfb_size calculation
The screen_info.lfb_size field is shifted by 16 bits *only* in case of
VBE. This has historical reasons since VBE advertised it similarly.
However, in case of EFI framebuffers, the size is no longer shifted. Fix
the x86 simple-framebuffer setup code to use the correct size in the
non-VBE case.

While at it, avoid variable abbreviations and rename 'len' to 'length',
and use the correct types matching the screen_info definition.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tom Gundersen <teg@jklm.no>
Link: http://lkml.kernel.org/r/20161115120158.15388-3-dh.herrmann@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-11-16 09:38:23 +01:00
David Herrmann
9164b4ceb7 x86/sysfb: Add support for 64bit EFI lfb_base
The screen_info object was extended to support 64-bit lfb_base addresses
in:

  ae2ee627dc ("efifb: Add support for 64-bit frame buffer addresses")

However, the x86 simple-framebuffer setup code never made use of it. Fix
it to properly assemble and verify the lfb_base before advertising
simple-framebuffer devices.

In particular, this means if VIDEO_CAPABILITY_64BIT_BASE is set, the
screen_info->ext_lfb_base field will contain the upper 32bit of the
actual lfb_base. Make sure the address is not 0 (i.e., unset), as well as
does not overflow the physical address type.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tom Gundersen <teg@jklm.no>
Link: http://lkml.kernel.org/r/20161115120158.15388-2-dh.herrmann@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-11-16 09:38:22 +01:00
Ville Syrjälä
bc9db5ad32 drm/i915: Assume non-DP++ port if dvo_port is HDMI and there's no AUX ch specified in the VBT
My heuristic for detecting type 1 DVI DP++ adaptors based on the VBT
port information apparently didn't survive the reality of buggy VBTs.
In this particular case we have a machine with a natice HDMI port, but
the VBT tells us it's a DP++ port based on its capabilities.

The dvo_port information in VBT does claim that we're dealing with a
HDMI port though, but we have other machines which do the same even
when they actually have DP++ ports. So that piece of information alone
isn't sufficient to tell the two apart.

After staring at a bunch of VBTs from various machines, I have to
conclude that the only other semi-reliable clue we can use is the
presence of the AUX channel in the VBT. On this particular machine
AUX channel is specified as zero, whereas on some of the other machines
which listed the DP++ port as HDMI have a non-zero AUX channel.

I've also seen VBTs which have dvo_port a DP but have a zero AUX
channel. I believe those we need to treat as DP ports, so we'll limit
the AUX channel check to just the cases where dvo_port is HDMI.

If we encounter any more serious failures with this heuristic I think
we'll have to have to throw it out entirely. But that could mean that
there is a risk of type 1 DVI dongle users getting greeted by a
black screen, so I'd rather not go there unless absolutely necessary.

v2: Remove the duplicate PORT_A check (Daniel)
    Fix some typos in the commit message

Cc: Daniel Otero <daniel.otero@outlook.com>
Cc: stable@vger.kernel.org
Tested-by: Daniel Otero <daniel.otero@outlook.com>
Fixes: d61992565b ("drm/i915: Determine DP++ type 1 DVI adaptor presence based on VBT")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97994
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1478884464-14251-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 7a17995a3d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2016-11-16 10:06:14 +02:00
Sabrina Dubroca
b3cfaa31e3 rtnetlink: fix rtnl message size computation for XDP
rtnl_xdp_size() only considers the size of the actual payload attribute,
and misses the space taken by the attribute used for nesting (IFLA_XDP).

Fixes: d1fdd91386 ("rtnl: add option for setting link xdp prog")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Brenden Blanco <bblanco@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 22:40:07 -05:00
Sabrina Dubroca
7e75f74a17 rtnetlink: fix rtnl_vfinfo_size
The size reported by rtnl_vfinfo_size doesn't match the space used by
rtnl_fill_vfinfo.

rtnl_vfinfo_size currently doesn't account for the nest attributes
used by statistics (added in commit 3b766cd832), nor for struct
ifla_vf_tx_rate (since commit ed616689a3, which added ifla_vf_rate
to the dump without removing ifla_vf_tx_rate, but replaced
ifla_vf_tx_rate with ifla_vf_rate in the size computation).

Fixes: 3b766cd832 ("net/core: Add reading VF statistics through the PF netdevice")
Fixes: ed616689a3 ("net-next:v4: Add support to configure SR-IOV VF minimum and maximum Tx rate through ip tool")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 22:40:07 -05:00
Eric Dumazet
e88a276614 gro_cells: mark napi struct as not busy poll candidates
Rolf Neugebauer reported very long delays at netns dismantle.

Eric W. Biederman was kind enough to look at this problem
and noticed synchronize_net() occurring from netif_napi_del() that was
added in linux-4.5

Busy polling makes no sense for tunnels NAPI.
If busy poll is used for sessions over tunnels, the poller will need to
poll the physical device queue anyway.

netif_tx_napi_add() could be used here, but function name is misleading,
and renaming it is not stable material, so set NAPI_STATE_NO_BUSY_POLL
bit directly.

This will avoid inserting gro_cells napi structures in napi_hash[]
and avoid the problematic synchronize_net() (per possible cpu) that
Rolf reported.

Fixes: 93d05d4a32 ("net: provide generic busy polling to all NAPI drivers")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Reported-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Tested-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 22:27:27 -05:00
Pablo Neira
73e2d5e34b udp: restore UDPlite many-cast delivery
Honor udptable parameter that is passed to __udp*_lib_mcast_deliver(),
otherwise udplite broadcast/multicast use the wrong table and it breaks.

Fixes: 2dc41cff75 ("udp: Use hash2 for long hash1 chains in __udp*_lib_mcast_deliver.")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 22:14:27 -05:00
Alexander Kochetkov
d0e3f65b34 net: arc_emac: don't pass multicast packets to kernel in non-multicast mode
The patch disable capturing multicast packets when multicast mode
disabled for ethernet ('ifconfig eth0 -multicast'). In that case
no multicast packet will be passed to kernel.

Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 19:58:13 -05:00
Alexander Kochetkov
c7a4e3d8c0 net: arc_emac: annonce IFF_MULTICAST support
Multicast support was implemented by commit 775dd682e2
('arc_emac: implement promiscuous mode and multicast filtering').

It can be enabled explicity using 'ifconfig eth0 multicast'.
The patch is needed in order to remove explicit configuration
as most devices has multicast mode enabled by default.

Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 19:58:13 -05:00
David S. Miller
744dfcb1d9 Merge branch 'stmmac-ptp'
Giuseppe Cavallaro says:

====================
stmmac: fix PTP support

This subset of patches aim to fix the PTP support
for the stmmac and especially for 4.x chip series.
While setting PTP on an ST box with 4.00a Ethernet
core, the kernel panics due to a broken settings
of the descriptors. The patches review the
register configuration, the algo used for configuring
the protocol, the way to get the timestamp inside
the RX/TX descriptors and, in the end, the statistics
displayed by ethtool.

V2: RESEND all the patches adding the Acked-by.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 19:56:18 -05:00
Giuseppe CAVALLARO
ee112c12eb stmmac: fix PTP type ethtool stats
This patch fixes the ethtool stats for PTP frames; previous
version does not take care about some message types: i.e.
announce, management and signaling. It also provided a
broken statistic in case of "No PTP message received".

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 19:56:17 -05:00
Giuseppe CAVALLARO
ba1ffd74df stmmac: fix PTP support for GMAC4
Due to bad management of the descriptors, when use ptp4l,
kernel panics as shown below:
-----------------------------------------------------------
 Unable to handle kernel NULL pointer dereference at virtual
 address 000001ac
 ...
 Internal error: Oops: 17 [#1] SMP ARM
 ...
 Hardware name: STi SoC with Flattened Device Tree
 task: c0c05e80 task.stack: c0c00000
 PC is at dwmac4_wrback_get_tx_timestamp_status+0x0/0xc
 LR is at stmmac_tx_clean+0x2f8/0x4d4
-----------------------------------------------------------

In case of GMAC4 the extended descriptor pointers were
used for getting the timestamp. These are NULL for this HW,
and the normal ones must be used.

The PTP also had problems on this chip due to the bad
register management and issues on the algo adopted to
setup the PTP and getting the timestamp values from the
descriptors.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 19:56:17 -05:00
Giuseppe CAVALLARO
d2042052a0 stmmac: update the PTP header file
This patch is to update this file by using BIT macros, removing
not used defines and fixes some typos.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 19:56:17 -05:00
Hangbin Liu
24803f38a5 igmp: do not remove igmp souce list info when set link down
In commit 24cf3af3fe ("igmp: call ip_mc_clear_src..."), we forgot to remove
igmpv3_clear_delrec() in ip_mc_down(), which also called ip_mc_clear_src().
This make us clear all IGMPv3 source filter info after NETDEV_DOWN.
Move igmpv3_clear_delrec() to ip_mc_destroy_dev() and then no need
ip_mc_clear_src() in ip_mc_destroy_dev().

On the other hand, we should restore back instead of free all source filter
info in igmpv3_del_delrec(). Or we will not able to restore IGMPv3 source
filter info after NETDEV_UP and NETDEV_POST_TYPE_CHANGE.

Fixes: 24cf3af3fe ("igmp: call ip_mc_clear_src() only when ...")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 19:51:16 -05:00
Dave Airlie
94ea29b116 sun4i-drm fixes for 4.9
A few patches to fix our error handling and our panel / bridge calls.
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Merge tag 'sunxi-drm-fixes-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-fixes

sun4i-drm fixes for 4.9

A few patches to fix our error handling and our panel / bridge calls.

* tag 'sunxi-drm-fixes-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  drm/sun4i: Propagate error to the caller
  drm/sun4i: Fix error handling
  drm/sun4i: rgb: Remove the bridge enable/disable functions
  drm/sun4i: rgb: Enable panel after controller
2016-11-16 09:41:08 +10:00
Dennis Dalessandro
2b16056f84 IB/hfi1: Remove incorrect IS_ERR check
Remove IS_ERR check from caching code as the function being called does
not actually return error pointers.

Fixes: f19bd643db: "IB/hfi1: Prevent NULL pointer deferences in caching code"
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:18:57 -05:00
Jianxin Xiong
09a7908b1b IB/hfi1: Prevent hardware counter names from being cut off
Increase the size of the buffer that is used to construct per-VL
and per-SDMA counter names.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:18:57 -05:00
Dasaratharaman Chandramouli
f2d8a0b367 IB/hfi1: Fix ECN processing in prescan_rxq
When processing ECN via the prescan_rxq path, some fields in the packet
structure are passed uninitialized. This can potentially
cause NULL pointer exceptions during ECN handling.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:46 -05:00
Jakub Pawlak
505efe3e46 IB/hfi1: Fix status error code for unsupported packets
Set the status code BAD_L2 when unsupported type of packet
is received and dropped.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:45 -05:00
Krzysztof Blaszkowski
11501ab9df IB/hfi1: Relocate rcvhdrcnt module parameter check.
Validate the rcvhdrcnt module parameter in a single function at module
load time. This allows proper error reporting.

Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Krzysztof Blaszkowski <krzysztof.blaszkowski@intel.com>
Signed-off-by: Tymoteusz Kielan <tymoteusz.kielan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:45 -05:00
Ira Weiny
458ed666fe IB/hfi1: Fix rnr_timer addition
The new s_rnr_timeout was not properly being set and the code was
incorrectly setting a different timer.

Found by code inspection.

Cc: <stable@vger.kernel.org> # 4.7.x
Fixes: 08279d5c94 ("staging/rdma/hfi1: use new RNR timer")
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:44 -05:00
Easwar Hariharan
f0f98f74c9 IB/hfi1: Delete unused lock
The lock is an unused vestige from qib. Remove it.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:44 -05:00
Easwar Hariharan
26ea2544dd IB/hfi1: Clean up unused argument
hfi1_pcie_ddinit takes the PCI device id as an argument but never
uses it. Clean it up.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:43 -05:00
Dennis Dalessandro
eacc830f95 IB/hfi1: Remove leftover snoop references
A few snoop related variables were missed in the snoop/capture removal
to get out of staging. Go back and clean those up too.

Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:43 -05:00
Jianxin Xiong
4dfe7cceb2 IB/hfi1: Fix a potential memory leak in hfi1_create_ctxts()
In the function hfi1_create_ctxts the array "dd->rcd" is allocated and
then populated with allocated resources in a loop. Previously, if
error happened during the loop, only resource allocated in the current
iteration would be freed. The array itself would then be freed, leaving
the resources that were allocated in previous iterations and referenced
by the array elements in limbo.

This patch makes sure all allocated resources are freed before freeing
the array "dd->rcd". Also the resource allocation now takes account of
the numa node the device is attached to.

Reviewed-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:42 -05:00
Krzysztof Blaszkowski
83fb4af680 IB/hfi1: Return ENODEV for unsupported PCI device ids.
Clean up device type checking.

Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Krzysztof Blaszkowski <krzysztof.blaszkowski@intel.com>
Signed-off-by: Tymoteusz Kielan <tymoteusz.kielan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:42 -05:00
Tadeusz Struk
acd7c8fe14 IB/hfi1: Fix an Oops on pci device force remove
This patch fixes an Oops on device unbind, when the device is used
by a PSM user process. PSM processes access device resources which
are freed on device removal. Similar protection exists in uverbs
in ib_core for Verbs clients, but PSM doesn't use ib_uverbs hence
a separate protection is required for PSM clients.

Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:41 -05:00
Jakub Pawlak
d9ac4555fb IB/hfi1: Fix integrity check flags default values
Prevent setting up integrity check flags when module is loaded
with NO_INTEGRITY capability.

Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:41 -05:00
Tadeusz Struk
39eb2795f1 IB/hfi1: Remove redundant sysfs irq affinity entry
The IRQ affinity entry is not needed after the irq notifier patch has been
added to the hfi1 driver.
The irq affinity settings for SDMA engine should be set using the standard
/proc/irq/<N>/ interface.

Reviewed-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:40 -05:00
Dennis Dalessandro
e1fafdcbe0 IB/rdmavt: rdmavt can handle non aligned page maps
The initial code for rdmavt carried with it a restriction that was a
vestige from the qib driver, that to dma map a page it had to be less
than a page size. This is not the case on modern hardware, both qib and
hfi1 will be just fine with unaligned map requests.

This fixes a 4.8 regression where by an IPoIB transfer of > PAGE_SIZE
will hang because the dma map page call always fails. This was
introduced after commit 5faba54695 ("IB/ipoib: Report SG feature
regardless of HW UD CSUM capability") added the capability to use SG by
default. Rather than override this, the HW supports it, so allow SG.

Cc: Stable <stable@vger.kernel.org> # 4.8
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-11-15 16:16:40 -05:00
Monk Liu
1da2c326e4 drm/amdgpu:fix vpost_needed routine
1,cleanup description/comments
2,for FIJI & passthrough, force post when smc fw version below 22.15
3,for other cases, follow regular rules

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-15 14:06:07 -05:00
Alex Deucher
cb434658a8 drm/amdgpu/powerplay: drop a redundant NULL check
Left over from an earlier rev of the patch.

Acked-by: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Colin King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-15 14:05:52 -05:00
Jia Jie Ho
f6c365fad1 net: ethernet: Fix SGMII unable to switch speed and autonego failure
TSE PCS SGMII ethernet has an issue where switching speed doesn't work
caused by a faulty register macro offset. This fixes the issue.

Signed-off-by: Jia Jie Ho <ho.jia.jie@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-15 12:06:24 -05:00
Linus Torvalds
81bcfe5e48 Alexei discovered a race condition in modules failing to load that
can cause a ftrace check to trigger and disable ftrace. This is because
 of the way modules are registered to ftrace. Their functions are
 loaded in the ftrace function tables but set to "disabled" since
 they are still in the process of being loaded by the module. After
 the module is finished, it calls back into the ftrace infrastructure
 to enable it. Looking deeper into the locations that access all the
 functions in the table, I found more locations that should ignore
 the disabled ones.
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Merge tag 'trace-v4.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Alexei discovered a race condition in modules failing to load that can
  cause a ftrace check to trigger and disable ftrace.

  This is because of the way modules are registered to ftrace. Their
  functions are loaded in the ftrace function tables but set to
  "disabled" since they are still in the process of being loaded by the
  module. After the module is finished, it calls back into the ftrace
  infrastructure to enable it.

  Looking deeper into the locations that access all the functions in the
  table, I found more locations that should ignore the disabled ones"

* tag 'trace-v4.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace: Add more checks for FTRACE_FL_DISABLED in processing ip records
  ftrace: Ignore FTRACE_FL_DISABLED while walking dyn_ftrace records
2016-11-15 08:49:13 -08:00
Linus Torvalds
80fc2f7fd8 fbdev fixes for 4.9
* Fix CLCD regression on Vexpress
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Merge tag 'fbdev-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev fix from Tomi Valkeinen:
 "Fix CLCD regression on Vexpress"

* tag 'fbdev-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  video: ARM CLCD: fix Vexpress regression
2016-11-15 08:28:59 -08:00
Borislav Petkov
c6a3855391 kbuild: Steal gcc's pie from the very beginning
So Sebastian turned off the PIE for kernel builds but that was too late
- Kbuild.include already uses KBUILD_CFLAGS and trying to disable gcc
options with, say cc-disable-warning, fails:

  gcc -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs
  ...
  -Wno-sign-compare -fno-asynchronous-unwind-tables -Wframe-address -c -x c /dev/null -o .31392.tmp
  /dev/null:1:0: error: code model kernel does not support PIC mode

because that returns an error and we can't disable the warning. For
example in this case:

KBUILD_CFLAGS   += $(call cc-disable-warning,frame-address,)

which leads to gcc issuing all those warnings again.

So let's turn off PIE/PIC at the earliest possible moment, when we
declare KBUILD_CFLAGS so that cc-disable-warning picks it up too.

Also, we need the $(call cc-option ...) because -fno-PIE is supported
since gcc v3.4 and our lowest supported gcc version is 3.2 right now.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: stable@vger.kernel.org
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Michal Marek <mmarek@suse.com>
2016-11-15 17:08:14 +01:00
Marek Szyprowski
256ff1cf6b ARM: 8628/1: dma-mapping: preallocate DMA-debug hash tables in core_initcall
fs_initcall is definitely too late to initialize DMA-debug hash tables,
because some drivers might get probed and use DMA mapping framework
already in core_initcall. Late initialization of DMA-debug results in
false warning about accessing memory, that was not allocated, like this
one:
------------[ cut here ]------------
WARNING: CPU: 5 PID: 1 at lib/dma-debug.c:1104 check_unmap+0xa1c/0xe50
exynos-sysmmu 10a60000.sysmmu: DMA-API: device driver tries to free DMA memory it has not allocated [device
address=0x000000006ebd0000] [size=16384 bytes]
Modules linked in:
CPU: 5 PID: 1 Comm: swapper/0 Not tainted 4.9.0-rc5-00028-g39dde3d-dirty #44
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[<c0119dd4>] (unwind_backtrace) from [<c01122bc>] (show_stack+0x20/0x24)
[<c01122bc>] (show_stack) from [<c062714c>] (dump_stack+0x84/0xa0)
[<c062714c>] (dump_stack) from [<c0132560>] (__warn+0x14c/0x180)
[<c0132560>] (__warn) from [<c01325dc>] (warn_slowpath_fmt+0x48/0x50)
[<c01325dc>] (warn_slowpath_fmt) from [<c06814f8>] (check_unmap+0xa1c/0xe50)
[<c06814f8>] (check_unmap) from [<c06819c4>] (debug_dma_unmap_page+0x98/0xc8)
[<c06819c4>] (debug_dma_unmap_page) from [<c076c3e8>] (exynos_iommu_domain_free+0x158/0x380)
[<c076c3e8>] (exynos_iommu_domain_free) from [<c0764a30>] (iommu_domain_free+0x34/0x60)
[<c0764a30>] (iommu_domain_free) from [<c011f168>] (release_iommu_mapping+0x30/0xb8)
[<c011f168>] (release_iommu_mapping) from [<c011f23c>] (arm_iommu_release_mapping+0x4c/0x50)
[<c011f23c>] (arm_iommu_release_mapping) from [<c0b061ac>] (s5p_mfc_probe+0x640/0x80c)
[<c0b061ac>] (s5p_mfc_probe) from [<c07e6750>] (platform_drv_probe+0x70/0x148)
[<c07e6750>] (platform_drv_probe) from [<c07e25c0>] (driver_probe_device+0x12c/0x6b0)
[<c07e25c0>] (driver_probe_device) from [<c07e2c6c>] (__driver_attach+0x128/0x17c)
[<c07e2c6c>] (__driver_attach) from [<c07df74c>] (bus_for_each_dev+0x88/0xc8)
[<c07df74c>] (bus_for_each_dev) from [<c07e1b6c>] (driver_attach+0x34/0x58)
[<c07e1b6c>] (driver_attach) from [<c07e1350>] (bus_add_driver+0x18c/0x32c)
[<c07e1350>] (bus_add_driver) from [<c07e4198>] (driver_register+0x98/0x148)
[<c07e4198>] (driver_register) from [<c07e5cb0>] (__platform_driver_register+0x58/0x74)
[<c07e5cb0>] (__platform_driver_register) from [<c174cb30>] (s5p_mfc_driver_init+0x1c/0x20)
[<c174cb30>] (s5p_mfc_driver_init) from [<c0102690>] (do_one_initcall+0x64/0x258)
[<c0102690>] (do_one_initcall) from [<c17014c0>] (kernel_init_freeable+0x3d0/0x4d0)
[<c17014c0>] (kernel_init_freeable) from [<c116eeb4>] (kernel_init+0x18/0x134)
[<c116eeb4>] (kernel_init) from [<c010bbd8>] (ret_from_fork+0x14/0x3c)
---[ end trace dc54c54bd3581296 ]---

This patch moves initialization of DMA-debug to core_initcall. This is
safe from the initialization perspective. dma_debug_do_init() internally calls
debugfs functions and debugfs also gets initialised at core_initcall(), and
that is earlier than arch code in the link order, so it will get initialized
just before the DMA-debug.

Reported-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2016-11-15 15:29:37 +00:00
Nicolas Pitre
544457fa27 ARM: 8624/1: proc-v7m.S: fix init section name
There is no .text.init sections.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2016-11-15 15:28:57 +00:00
Russell King
24c66dfd56 ARM: fix backtrace
Recent kernels have changed their behaviour to be more inconsistent
when handling printk continuations.  With todays kernels, the output
looks sane on the console, but dmesg splits individual printk()s which
do not have the KERN_CONT prefix into separate lines.

Since the assembly code is not trivial to add the KERN_CONT, and we
ideally want to avoid using KERN_CONT (as multiple printk()s can race
between different threads), convert the assembly dumping the register
values to C code, and have the C code build the output a line at a
time before dumping to the console.

This avoids the KERN_CONT issue, and also avoids situations where the
output is intermixed with other console activity.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-15 15:25:39 +00:00
Jens Axboe
959401aa2b Merge branch 'nvmf-4.9-rc' of git://git.infradead.org/nvme-fabrics into for-linus
Sagi writes:

These are the relevant fixes for rc6
- fix possible crash in nvmet-rdma cm_handler from Bart
- fix possible memory leak in nvmet-rdma for connection failures
- fix possible use-after-free conditions in nvmet-rdma
- fix possible IO errors during reconnect stage from Christoph
- fix possible memory leak in nvme-rdma during IO queues connect
  failures from Steve
2016-11-15 07:51:41 -07:00
Benjamin Beichler
4fb7f8af1f mac80211_hwsim: fix beacon delta calculation
Due to the cast from uint32_t to int64_t, a wrong next beacon timing is
calculated and effectively the beacon timer stops working. This is
especially bad for 802.11s mesh networks, because discovery breaks
without beacons.

Signed-off-by: Benjamin Beichler <benjamin.beichler@uni-rostock.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-11-15 14:39:56 +01:00
Felix Fietkau
a786f96da0 mac80211: fix A-MSDU aggregation with fast-xmit + txq
A-MSDU aggregation alters the QoS header after a frame has been
enqueued, so it needs to be ready before enqueue and not overwritten
again afterwards

Fixes: bb42f2d13f ("mac80211: Move reorder-sensitive TX handlers to after TXQ dequeue")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-11-15 14:37:30 +01:00