Commit Graph

662972 Commits

Author SHA1 Message Date
Peng Tao
16320f363a vhost-vsock: add pkt cancel capability
To allow canceling all packets of a connection.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:41:46 -07:00
Peng Tao
36d277bac8 vsock: track pkt owner vsock
So that we can cancel a queued pkt later if necessary.

Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:41:46 -07:00
Ezequiel Lara Gomez
b3407c8e5e Cleanup some warning from timestamping code.
Following checkpatch.pl recommendations (which include
replacing with <linux/io.h> the <asm/io.h>, since linux/io.h includes
it).

Signed-off-by: Ezequiel Lara Gomez <ezegomez@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:40:02 -07:00
Ezequiel Lara Gomez
6df014cffb Enable tx timestamping on loopback and dummy
This enables developing code that uses SOF_TIMESTAMPING_TX_SOFTWARE
by using localhost addresses (without needing to send packets outside),
as well as enabling unit and functional testing of TX timestamping code
without needing hardware support or network access.

It also fulfills the expectation of software network devices supporting
software-based timestamping.

Tested on qemu using txtimestamping.c from the kernel selftests, and
ethtool -T.

Signed-off-by: Ezequiel Lara Gomez <ezegomez@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:40:01 -07:00
Herbert Xu
8a0f5ccfb3 crypto: deadlock between crypto_alg_sem/rtnl_mutex/genl_mutex
On Tue, Mar 14, 2017 at 10:44:10AM +0100, Dmitry Vyukov wrote:
>
> Yes, please.
> Disregarding some reports is not a good way long term.

Please try this patch.

---8<---
Subject: netlink: Annotate nlk cb_mutex by protocol

Currently all occurences of nlk->cb_mutex are annotated by lockdep
as a single class.  This causes a false lcokdep cycle involving
genl and crypto_user.

This patch fixes it by dividing cb_mutex into individual classes
based on the netlink protocol.  As genl and crypto_user do not
use the same netlink protocol this breaks the false dependency
loop.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:38:15 -07:00
hayeswang
98d068ab52 r8152: fix the list rx_done may be used without initialization
The list rx_done would be initialized when the linking on occurs.
Therefore, if a napi is scheduled without any linking on before,
the following kernel panic would happen.

	BUG: unable to handle kernel NULL pointer dereference at 000000000000008
	IP: [<ffffffffc085efde>] r8152_poll+0xe1e/0x1210 [r8152]
	PGD 0
	Oops: 0002 [#1] SMP

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:37:10 -07:00
David S. Miller
406910a8ba Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:

====================
40GbE Intel Wired LAN Driver Updates 2017-03-20

This series contains updates to i40e and i40evf only.

Philippe Reynes updates i40e and i40evf to use the new ethtool API for
{get|set}_link_ksettings.

Jake provides the remaining patches in the series, starting with a fix
for i40e where the firmware expected the port numbers for the offloaded
UDP tunnels in Little Endian format and we were sending them in Big Endian
format which put the wrong port number to be put in the UDP tunnel list.
Changed the driver to use __be32 values instead of arrays for
(src|dst)_ip.  Refactored the exit flow of i40e_add_fdir_ethtool() which
removes the dependency on having a non-zero return value.  Fixed a memory
leak by running kfree() and returning immediately when we fail to add
flow director filter.  Fixed a potential issue where could update the
filter count without actually succeeding in adding a filter, by moving
the ATR exit check to after we have sent the TCP/IPv4 filter to the ring
successfully.  Ensures that the fd_tcp_rule count is reset to 0, before
we reprogram the filters so that we do not end up with a stale count
which does not correctly reflect the number of programmed filters.  Added
a check whether we have TCP/IPv4 filters before re-enabling ATR after
flushing and replaying FDIR filters.  Added counters for each filter
type in preparation for adding code to properly check the mask value.
Fixed potential issues by explicitly checking the flow type at the
start of i40e_add_fdir_ethtool().  To avoid possible memory leaks,
we now unconditionally delete the old filter, even if it is identical to
the new filter and ensures will always update the filters as expected.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:35:21 -07:00
David S. Miller
41e95736b3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
Netfilter/IPVS updates for net-next

The following patchset contains Netfilter/IPVS updates for your
net-next tree. A couple of new features for nf_tables, and unsorted
cleanups and incremental updates for the Netfilter tree. More
specifically, they are:

1) Allow to check for TCP option presence via nft_exthdr, patch
   from Phil Sutter.

2) Add symmetric hash support to nft_hash, from Laura Garcia Liebana.

3) Use pr_cont() in ebt_log, from Joe Perches.

4) Remove some dead code in arp_tables reported via static analysis
   tool, from Colin Ian King.

5) Consolidate nf_tables expression validation, from Liping Zhang.

6) Consolidate set lookup via nft_set_lookup().

7) Remove unnecessary rcu read lock side in bridge netfilter, from
   Florian Westphal.

8) Remove unused variable in nf_reject_ipv4, from Tahee Yoo.

9) Pass nft_ctx struct to object initialization indirections, from
   Florian Westphal.

10) Add code to integrate conntrack helper into nf_tables, also from
    Florian.

11) Allow to check if interface index or name exists via
    NFTA_FIB_F_PRESENT, from Phil Sutter.

12) Simplify resolve_normal_ct(), from Florian.

13) Use per-limit spinlock in nft_limit and xt_limit, from Liping Zhang.

14) Use rwlock in nft_set_rbtree set, also from Liping Zhang.

15) One patch to remove a useless printk at netns init path in ipvs,
    and several patches to document IPVS knobs.

16) Use refcount_t for reference counter in the Netfilter/IPVS code,
    from Elena Reshetova.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:28:08 -07:00
David S. Miller
b9974d76f2 Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:

====================
1GbE Intel Wired LAN Driver Updates 2017-03-17

This series contains updates to mainly igb, with one fix for ixgbe.

Alex does all the changes in the series, starting with adding support
for DMA_ATTR_WEAK_ORDERING to improve performance on some platforms.
Modified igb to use the length of the packet instead of the DD status
bit to determine if a new descriptor is ready to be processed.  Modified
the driver to only go through the region in the receive ring that was
designated to be cleaned up, instead of going through the entire ring
on cleanup.  Cleaned up the transmit side, by clearing the transmit
buffer_info only when resetting the rings.  Added a new upper limit for
receive, which is based on the size of a 2K buffer minus padding, which
will allow us to support build_skb going forward.  Fixed ethtool testing
to only sync on the size of the frame that is being tested, instead of
the entire receive buffer.  Updated the handling of page addresses to
always use a void pointer with the consistent name of "va" to indicate
that we are working with a virtual address.  Added a "chicken bit" so
that we can turn off the new receive allocation feature, in the case
where we need to fallback to the legacy receive path.  Added support for
using 3K buffers in order 1 pages the same way we were using 2K buffers
in 4K pages.  Added support for padding packet, since we limit the size
of the frame, we are able to write to an offset within the buffer instead
of having to write at the very start of the buffer.  This allows us to
leaving padding room for things like supporting XDP in the future.
Refactored the receive buffer page management, since there are 2-3 paths
that can be taken depending on what receive modes are enabled, so to
improve maintainability, break out the common bits into their own
functions.  Add support for build_skb, again.  Lastly, fixed a typo in
igb and ixgbe code comments.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-21 14:19:20 -07:00
Huang Ying
093b995e3b mm, swap: Remove WARN_ON_ONCE() in free_swap_slot()
Before commit 452b94b8c8 ("mm/swap: don't BUG_ON() due to
uninitialized swap slot cache"), the following bug is reported,

  ------------[ cut here ]------------
  kernel BUG at mm/swap_slots.c:270!
  invalid opcode: 0000 [#1] SMP
  CPU: 5 PID: 1745 Comm: (sd-pam) Not tainted 4.11.0-rc1-00243-g24c534bb161b #1
  Hardware name: System manufacturer System Product Name/Z170-K, BIOS 1803 05/06/2016
  RIP: 0010:free_swap_slot+0xba/0xd0
  Call Trace:
   swap_free+0x36/0x40
   do_swap_page+0x360/0x6d0
   __handle_mm_fault+0x880/0x1080
   handle_mm_fault+0xd0/0x240
   __do_page_fault+0x232/0x4d0
   do_page_fault+0x20/0x70
   page_fault+0x22/0x30
  ---[ end trace aefc9ede53e0ab21 ]---

This is raised by the BUG_ON(!swap_slot_cache_initialized) in
free_swap_slot().  This is incorrect, because even if the swap slots
cache fails to be initialized, the swap should operate properly without
the swap slots cache.  And the use_swap_slot_cache check later in the
function will protect the uninitialized swap slots cache case.

In commit 452b94b8c8, the BUG_ON() is replaced by WARN_ON_ONCE().  In
the patch, the WARN_ON_ONCE() is removed too.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-21 14:13:19 -07:00
Linus Torvalds
1f02071358 SCSI fixes on 20170321
Nine small fixes: the biggest is probably finally sorting out Kconfig
 issues with lpfc nvme.  There are some performance fixes for megaraid
 and hpsa and a static checker fix.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Nine small fixes: the biggest is probably finally sorting out Kconfig
  issues with lpfc nvme.  There are some performance fixes for megaraid
  and hpsa and a static checker fix"

[ Johannes Thumshirn points out that there still seems to be more lpfc
  vs nvme config issues.  Oh well.   - Linus ]

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: lpfc: Finalize Kconfig options for nvme
  scsi: ufs: don't check unsigned type for a negative value
  scsi: hpsa: do not timeout reset operations
  scsi: hpsa: limit outstanding rescans
  scsi: hpsa: update check for logical volume status
  scsi: megaraid_sas: Driver version upgrade
  scsi: megaraid_sas: raid6 also require cpuSel check same as raid5
  scsi: megaraid_sas: add correct return type check for ldio hint logic for raid1
  scsi: megaraid_sas: enable intx only if msix request fails
2017-03-21 13:10:17 -07:00
Linus Torvalds
2c867ac395 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:

 - regression fixes for Wacom devices, from Aaron Armstrong Skomra and
   Ping Cheng

 - memory leak in hid-sony driver from Roderick Colenbrander

 - new device IDs support from Oscar Campos and Daniel Drake

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: wacom: generic: Wacom mouse is only provided for opaque tablets
  HID: corsair: Add driver Scimitar Pro RGB gaming mouse 1b1c:1b3e support to hid-corsair
  HID: corsair: support for K65-K70 Rapidfire and Scimitar Pro RGB
  HID: wacom: don't manually release resources for the EKR
  HID: wacom: Correct Intuos Pro 2 resolution
  HID: sony: Fix input device leak when connecting a DS4 twice using USB/BT
  HID: chicony: Add support for another ASUS Zen AiO keyboard
2017-03-21 13:07:18 -07:00
Linus Torvalds
4719177780 GPIO fixes for the v4.11 series:
- Set the parent on the Altera A10SR driver, also fix
   high level IRQs.
 
 - Fix error path on the mockup driver.
 
 - Compilation noise about unused functions fixed.
 
 - Fix missed interrupts on the MCP23S08 expander, this is also
   tagged for stable.
 
 - Retire the interrim helpers devm_get_gpiod_from_child() used
   to smoothen merging in the merge window.
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Merge tag 'gpio-v4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 "Here is the first set of GPIO fixes for 4.11. It was delayed a bit
  beacuse I was chicken when linux-next was not rotating last week.

  This hits the ST serial driver in drivers/tty/serial and that has an
  ACK from Greg, he suggested to keep the old GPIO fwnode API around to
  smoothen things in the merge Windod and those have now served their
  purpose so we take them out and convert the last driver to the new
  API.

  Apart from that it's fixes as usual.

  Summary:

   - set the parent on the Altera A10SR driver, also fix high level
     IRQs.

   - fix error path on the mockup driver.

   - compilation noise about unused functions fixed.

   - fix missed interrupts on the MCP23S08 expander, this is also tagged
     for stable.

   - retire the interrim helpers devm_get_gpiod_from_child() used to
     smoothen merging in the merge window"

* tag 'gpio-v4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio:mcp23s08 Fixed missing interrupts
  serial: st-asc: Use new GPIOD API to obtain RTS pin
  gpio: altera: Use handle_level_irq when configured as a level_high
  gpio: xgene: mark PM functions as __maybe_unused
  gpio: mockup: return -EFAULT if copy_from_user() fails
  gpio: altera-a10sr: Set gpio_chip parent property
2017-03-21 13:01:53 -07:00
Linus Torvalds
8a01150840 remoteproc fix for v4.11
This fixes a Kbuild dependency issue related to the Qualcomm remoteproc
 drivers.
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Merge tag 'rproc-v4.11-fixes' of git://github.com/andersson/remoteproc

Pull remoteproc fix from Bjorn Andersson:
 "This fixes a Kbuild dependency issue related to the Qualcomm
  remoteproc drivers"

* tag 'rproc-v4.11-fixes' of git://github.com/andersson/remoteproc:
  remoteproc: qcom: fix QCOM_SMD dependencies
2017-03-21 12:54:12 -07:00
Linus Torvalds
689b957baf Bug fix for f2fs
- Fix performance regression reported by lkp-rebot
 - Fix potential data lost after power-cut due to SSR reallocation
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Merge tag 'for-f2fs-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs fixes from Jaegeuk Kim:

 - fix performance regression reported by lkp-rebot

 - fix potential data lost after power-cut due to SSR reallocation

* tag 'for-f2fs-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
  f2fs: combine nat_bits and free_nid_bitmap cache
  f2fs: skip scanning free nid bitmap of full NAT blocks
  f2fs: use __set{__clear}_bit_le
  f2fs: declare static functions
  f2fs: don't overwrite node block by SSR
2017-03-21 12:27:06 -07:00
Ping Cheng
6e5364f5f4 HID: wacom: generic: Wacom mouse is only provided for opaque tablets
Commit f85c9dc ("Support tool ID and additional tool types") introduced mouse
and lens cursor tools to generic codepath, which covers both display (direct)
and opaque tablets (indirect devices). However, mouse and lens cursor tools are
only provided for opaque tablets. This patch ignores mouse and lens cursor tools
if the device is a display tablet.

Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-03-21 14:48:29 +01:00
Oscar Campos
01adc47e88 HID: corsair: Add driver Scimitar Pro RGB gaming mouse 1b1c:1b3e support to hid-corsair
This mouse sold by Corsair as Scimitar PRO RGB defines two consecutive
Logical Minimum items in its Application (Consumer.0001) report making
it non parseable. This patch fixes the report descriptor overriding
byte 77 in rdesc from 0x16 (Logical Minimum with 16 bits value) to 0x26
(Logical Maximum with 16 bits value).

Signed-off-by: Oscar Campos <oscar.campos@member.fsf.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-03-21 14:46:15 +01:00
Oscar Campos
deaba63699 HID: corsair: support for K65-K70 Rapidfire and Scimitar Pro RGB
Add quirks for several corsair gaming devices to avoid long delays on
report initialization

Supported devices:

 - Corsair K65RGB Rapidfire Gaming Keyboard
 - Corsair K70RGB Rapidfire Gaming Keyboard
 - Corsair Scimitar Pro RGB Gaming Mouse

Signed-off-by: Oscar Campos <oscar.campos@member.fsf.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-03-21 14:46:15 +01:00
Aaron Armstrong Skomra
b6b1f19b06 HID: wacom: don't manually release resources for the EKR
Commit 5b779fc introduces the manual release of resources in wacom_remove() as
an addition to the driver's use of devm.  The EKR resources can only be
released through wacom_remote_destroy_one() so we skip the manual release for
it.

Fixes: 5b779fc ("HID: wacom: release the resources before leaving despite devm")
Signed-off-by: Aaron Armstrong Skomra <skomra@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-03-21 14:44:37 +01:00
Aaron Armstrong Skomra
49cc4c217c HID: wacom: Correct Intuos Pro 2 resolution
The features struct for the second gen Intuos Pro uses the wrong constant for
the resolution. This fix is for commit 4922cd2.

Fixes: 4922cd2 ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Signed-off-by: Aaron Armstrong Skomra <skomra@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-03-21 14:44:37 +01:00
Takashi Iwai
c520ff3d03 ALSA: seq: Fix racy cell insertions during snd_seq_pool_done()
When snd_seq_pool_done() is called, it marks the closing flag to
refuse the further cell insertions.  But snd_seq_pool_done() itself
doesn't clear the cells but just waits until all cells are cleared by
the caller side.  That is, it's racy, and this leads to the endless
stall as syzkaller spotted.

This patch addresses the racy by splitting the setup of pool->closing
flag out of snd_seq_pool_done(), and calling it properly before
snd_seq_pool_done().

BugLink: http://lkml.kernel.org/r/CACT4Y+aqqy8bZA1fFieifNxR2fAfFQQABcBHj801+u5ePV0URw@mail.gmail.com
Reported-and-tested-by: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-03-21 14:01:10 +01:00
Takashi Iwai
c6736a94d0 ALSA: x86: Make CONFIG_SND_X86 bool
CONFIG_SND_X86 is a menu config to filter only for x86-specific
drivers in its sub-menu, and this doesn't have to be tristate but
rather it should be a bool.  Also, like other sub-menu configs, it's
more user-friendly to be default=y; it's merely a menu config and the
actual drivers are configured in the sub-menu, after all.

Fixes: 287599cf2d ("ALSA: add Intel HDMI LPE audio driver for BYT/CHT-T")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-03-21 13:26:02 +01:00
Jacob Keller
c6da525de7 i40e: always remove old filter when adding new FDir filter
The previous code relied on i40e_match_fdir_input_set to determine when
determining whether to free the old filter. Change this code so that we
simply unconditionally delete the old filter, even if it's identical to
the new filter. This ensures that we don't leak any memory, and that we
always update the filters as expected.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:22 -07:00
Jacob Keller
1ec8deac8c i40e: explicitly fail on extended MAC field for ethtool_rx_flow_spec
Although we will fail the filter later due to checking flow_type which
will have a bogus invalid type, it is possible future refactoring will
remove this hidden failure case. Avoid a possible issue in the future by
explicitly checking the flow type at the start.

Change-Id: Ia98eb26f7b93ccbe38c7141e8f203ef496fc6598
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:22 -07:00
Jacob Keller
097dbf5250 i40e: add counters for UDP/IPv4 and IPv4 filters
In preparation for adding code to properly check the mask values, we
will need to know the number of active filters for each type. Add
counters for each filter type. Rename the already existing fd_tcp_rule
to fd_tcp4_filter_cnt to match the style of other names. To avoid style
warnings, avoid assigning multiple parameters at once, and fix up one
other case where we did so previously.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:22 -07:00
Jacob Keller
510dd4609f i40e: don't re-enable ATR when flushing filters if SB has TCP4/IPv4 rules
When flushing and replaying FDIR filters, it is possible we would
disable ATR, and then re-enable it even though we should have kept
it disabled due to existing TCP/IPv4 filters. Fix this by checking
whether we have TCP4/IPv4 filters before re-enabling.

Alternatively, we could instead restore ATR and then replay filters,
however, this would cause us to rapidly enable and then disable ATR in
some cases.

Change-ID: I076e4cc1e4409bce7f98f3c213295433a4ff43d8
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Avinash Dayanand <avinash.dayanand@intel.com>
Reviewed-by: Alan Brady <alan.brady@intel.com>
Reviewed-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:21 -07:00
Jacob Keller
6d069425f0 i40e: reset fd_tcp_rule count when restoring filters
Since we're about to reprogram the filters, we need to ensure that the
fd_tcp_rule count is correctly reset to 0. Otherwise, we will keep
a stale count that does not accurately reflect the number of programmed
TCPv4 filters.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:21 -07:00
Jacob Keller
e122eb7482 i40e: remove redundant check for fd_tcp_rule when restoring filters
i40e_fdir_filter_restore re-adds all existing filters, which already
checks when adding a TCPv4 filter to disable ATR. We don't need to make
the check twice, so remove this redundant code.

Change-ID: Ia0b0690e23523915199d601494557def135c9d7f
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:21 -07:00
Jacob Keller
377cc24980 i40e: exit ATR mode only when adding TCP/IPv4 filter succeeds
Move ATR exit check after we have sent the TCP/IPv4 filter to the ring
successfully. This avoids an issue where we potentially update the
filter count without actually succeeding in adding the filter. Now, we
only increment the fd_tcp_rule after we've succeeded. Additionally, we
will re-enable ATR mode only after deletion of the filter is actually
posted to the FDIR ring.

Change-ID: If5c1dea422081cc5e2de65618b01b4c3bf6bd586
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:20 -07:00
Jacob Keller
e5187ee3ee i40e: return immediately when failing to add fdir filter
Instead of setting err=true and checking this to determine when to free
the raw_packet near the end of the function, simply kfree and return
immediately. The resulting code is a bit cleaner and has one less
variable. This also resolves a subtle bug in the ipv4 case which could
fail to add the first filter and then never free the memory, resulting
in a small memory leak.

Change-ID: I7583aac033481dc794b4acaa14445059c8930ff1
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Avinash Dayanand <avinash.dayanand@intel.com>
Reviewed-by: Alan Brady <alan.brady@intel.com>
Reviewed-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:20 -07:00
Jacob Keller
01016da1e5 i40e: rework exit flow of i40e_add_fdir_ethtool
Refactor the exit flow of the i40e_add_fdir_ethtool function. Move the
input_label to the end of the function, removing the dependency on
having a non-zero return value. Add a comment explaining why it is ok
not to free the fdir data structure, because the structure is now stored
in the fdir_filter_list.

Change-Id: I723342181d59cd0c9f3b31140c37961ba37bb242
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:20 -07:00
Jacob Keller
8ce43dce6f i40e: don't use arrays for (src|dst)_ip
The code originally included src_ip and dst_ip with enough space to
support ipv6 filters. However, no actual support for ipv6 filters has
been implemented. Thus, remove the arrays and just use __be32 values.
Should ipv6 support be added in the future, we can replace these with
a union that has sizes for both values.

Change-Id: I1bc04032244a80eb6ebc8a4e6c723a4a665c1dd5
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:20 -07:00
Jacob Keller
fe0b0cd97b i40e: send correct port number to AdminQ when enabling UDP tunnels
The firmware expects the port numbers for offloaded UDP tunnels in
Little Endian format. We accidentally sent the value in Big Endian
format which obviously will cause the wrong port number to be put into
the UDP tunnels list. This results in VxLAN and Geneve tunnel Rx
offloads being essentially disabled, unless the port number happens to
be identical after byte swapping. Note that i40e_aq_add_udp_tunnel()
will byteswap the parameter from host order into Little Endian so we
don't need worry about passing strictly a __le16 value to the command.

This patch essentially reverts b3f5c7bc88 ("i40e: Fix for extra byte
swap in tunnel setup", 2016-08-24), but in a way that makes the result
much more clear to the reader.

Fixes: b3f5c7bc88 ("i40e: Fix for extra byte swap in tunnel setup", 2016-08-24)
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Williams, Mitch A <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:45:19 -07:00
Philippe Reynes
48ce88022d i40evf: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-20 16:43:30 -07:00
Arnd Bergmann
c3104aae5d remoteproc: qcom: fix QCOM_SMD dependencies
qcom_smd_register_edge() is provided by either QCOM_SMD or RPMSG_QCOM_SMD,
and if both of them are disabled, it does nothing.

The check for the PIL drivers however only checks for QCOM_SMD, so it breaks
with QCOM_SMD=n && RPMSG_QCOM_SMD=m:

drivers/remoteproc/built-in.o: In function `smd_subdev_remove':
qcom_wcnss_iris.c:(.text+0x231c): undefined reference to `qcom_smd_unregister_edge'
drivers/remoteproc/built-in.o: In function `smd_subdev_probe':
qcom_wcnss_iris.c:(.text+0x2344): undefined reference to `qcom_smd_register_edge'
drivers/remoteproc/built-in.o: In function `smd_subdev_probe':
qcom_q6v5_pil.c:(.text+0x3538): undefined reference to `qcom_smd_register_edge'
qcom_q6v5_pil.c:(.text+0x3538): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `qcom_smd_register_edge'

This clarifies the Kconfig dependency.

Fixes: 4b48921a8f ("remoteproc: qcom: Use common SMD edge handler")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-03-20 14:45:44 -07:00
Ryan Hsu
6be3b6cce1 ath10k: fix incorrect wlan_mac_base in qca6174_regs
In the 'commit ebee76f7fa ("ath10k: allow setting coverage class")',
it inherits the design and the address offset from ath9k, but the address
is not applicable to QCA6174, which leads to a random crash while doing the
resume() operation, since the set_coverage_class.ops will be called from
ieee80211_reconfig() when resume() (if the wow is not configured).

Fix the incorrect address offset here to avoid the random crash.

Verified on QCA6174/hw3.0 with firmware WLAN.RM.4.4-00022-QCARMSWPZ-2.

kvalo: this also seems to fix a regression with firmware restart.

Fixes: ebee76f7fa ("ath10k: allow setting coverage class")
Cc: <stable@vger.kernel.org> # v4.10
Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-03-20 17:11:31 +02:00
Chao Yu
7041d5d286 f2fs: combine nat_bits and free_nid_bitmap cache
Both nat_bits cache and free_nid_bitmap cache provide same functionality
as a intermediate cache between free nid cache and disk, but with
different granularity of indicating free nid range, and different
persistence policy. nat_bits cache provides better persistence ability,
and free_nid_bitmap provides better granularity.

In this patch we combine advantage of both caches, so finally policy of
the intermediate cache would be:
- init: load free nid status from nat_bits into free_nid_bitmap
- lookup: scan free_nid_bitmap before load NAT blocks
- update: update free_nid_bitmap in real-time
- persistence: udpate and persist nat_bits in checkpoint

This patch also resolves performance regression reported by lkp-robot.

commit:
  4ac912427c ("f2fs: introduce free nid bitmap")
  d00030cf9cd0bb96fdccc41e33d3c91dcbb672ba ("f2fs: use __set{__clear}_bit_le")
  1382c0f3f9d3f936c8bc42ed1591cf7a593ef9f7 ("f2fs: combine nat_bits and free_nid_bitmap cache")

4ac912427c d00030cf9cd0bb96fdccc41e33 1382c0f3f9d3f936c8bc42ed15
---------------- -------------------------- --------------------------
         %stddev     %change         %stddev     %change         %stddev
             \          |                \          |                \
     77863 ±  0%      +2.1%      79485 ±  1%     +50.8%     117404 ±  0%  aim7.jobs-per-min
    231.63 ±  0%      -2.0%     227.01 ±  1%     -33.6%     153.80 ±  0%  aim7.time.elapsed_time
    231.63 ±  0%      -2.0%     227.01 ±  1%     -33.6%     153.80 ±  0%  aim7.time.elapsed_time.max
    896604 ±  0%      -0.8%     889221 ±  3%     -20.2%     715260 ±  1%  aim7.time.involuntary_context_switches
      2394 ±  1%      +4.6%       2503 ±  1%      +3.7%       2481 ±  2%  aim7.time.maximum_resident_set_size
      6240 ±  0%      -1.5%       6145 ±  1%     -14.1%       5360 ±  1%  aim7.time.system_time
   1111357 ±  3%      +1.9%    1132509 ±  2%      -6.2%    1041932 ±  2%  aim7.time.voluntary_context_switches
...

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Tested-by: Xiaolong Ye <xiaolong.ye@intel.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-03-20 10:00:18 -04:00
Chao Yu
586d1492f3 f2fs: skip scanning free nid bitmap of full NAT blocks
This patch adds to account free nids for each NAT blocks, and while
scanning all free nid bitmap, do check count and skip lookuping in
full NAT block.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-03-20 10:00:17 -04:00
Jaegeuk Kim
23380b8568 f2fs: use __set{__clear}_bit_le
This patch uses __set{__clear}_bit_le for highter speed.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-03-20 10:00:16 -04:00
Jaegeuk Kim
9f7e4a2c49 f2fs: declare static functions
This is to avoid build warning reported by kbuild test robot.

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-03-20 10:00:15 -04:00
Jaegeuk Kim
720037f939 f2fs: don't overwrite node block by SSR
This patch fixes that SSR can overwrite previous warm node block consisting of
a node chain since the last checkpoint.

Fixes: 5b6c6be2d8 ("f2fs: use SSR for warm node as well")
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-03-20 10:00:14 -04:00
Jaroslav Kysela
cc3a47a248 ALSA: hda - add support for docking station for HP 840 G3
This tested patch adds missing initialization for Line-In/Out PINs for
the docking station for HP 840 G3.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-03-20 12:18:05 +01:00
Jaroslav Kysela
04d5466a97 ALSA: hda - add support for docking station for HP 820 G2
This tested patch adds missing initialization for Line-In/Out PINs for
the docking station for HP 820 G2.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-03-20 12:18:00 +01:00
Reshetova, Elena
4485a841be netfilter: fix the warning on unused refcount variable
net/netfilter/nfnetlink_acct.c: In function 'nfnl_acct_try_del':
net/netfilter/nfnetlink_acct.c:329:15: warning: unused variable 'refcount' [-Wunused-variable]
unsigned int refcount;
             ^

Fixes: b54ab92b84 ("netfilter: refcounter conversions")
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2017-03-20 10:49:12 +01:00
Takashi Iwai
f363a06642 ALSA: ctxfi: Fix the incorrect check of dma_set_mask() call
In the commit [15c75b09f8: ALSA: ctxfi: Fallback DMA mask to 32bit],
I forgot to put "!" at dam_set_mask() call check in cthw20k1.c (while
cthw20k2.c is OK).  This patch fixes that obvious bug.

(As a side note: although the original commit was completely wrong,
 it's still working for most of machines, as it sets to 32bit DMA mask
 in the end.  So the bug severity is low.)

Fixes: 15c75b09f8 ("ALSA: ctxfi: Fallback DMA mask to 32bit")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-03-20 10:08:19 +01:00
Linus Torvalds
97da3854c5 Linux 4.11-rc3 2017-03-19 19:09:39 -07:00
Linus Torvalds
452b94b8c8 mm/swap: don't BUG_ON() due to uninitialized swap slot cache
This BUG_ON() triggered for me once at shutdown, and I don't see a
reason for the check.  The code correctly checks whether the swap slot
cache is usable or not, so an uninitialized swap slot cache is not
actually problematic afaik.

I've temporarily just switched the BUG_ON() to a WARN_ON_ONCE(), since
I'm not sure why that seemingly pointless check was there.  I suspect
the real fix is to just remove it entirely, but for now we'll warn about
it but not bring the machine down.

Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-19 19:00:47 -07:00
Linus Torvalds
a07a6e4121 powerpc fixes for 4.11 #5
- Wire up statx() syscall
  - Don't print a warning on memory hotplug when HPT resizing isn't available
 
 Thanks to:
   David Gibson, Chandan Rajendra.
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Merge tag 'powerpc-4.11-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc fixes from Michael Ellerman:
 "A couple of minor powerpc fixes for 4.11:

   - wire up statx() syscall

   - don't print a warning on memory hotplug when HPT resizing isn't
     available

  Thanks to: David Gibson, Chandan Rajendra"

* tag 'powerpc-4.11-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/pseries: Don't give a warning when HPT resizing isn't available
  powerpc: Wire up statx() syscall
2017-03-19 18:49:28 -07:00
Linus Torvalds
4571bc5abf Merge branch 'parisc-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:

 - Mikulas Patocka added support for R_PARISC_SECREL32 relocations in
   modules with CONFIG_MODVERSIONS.

 - Dave Anglin optimized the cache flushing for vmap ranges.

 - Arvind Yadav provided a fix for a potential NULL pointer dereference
   in the parisc perf code (and some code cleanups).

 - I wired up the new statx system call, fixed some compiler warnings
   with the access_ok() macro and fixed shutdown code to really halt a
   system at shutdown instead of crashing & rebooting.

* 'parisc-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Fix system shutdown halt
  parisc: perf: Fix potential NULL pointer dereference
  parisc: Avoid compiler warnings with access_ok()
  parisc: Wire up statx system call
  parisc: Optimize flush_kernel_vmap_range and invalidate_kernel_vmap_range
  parisc: support R_PARISC_SECREL32 relocation in modules
2017-03-19 18:11:13 -07:00
Linus Torvalds
8aa3417255 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "The bulk of the changes are in qla2xxx target driver code to address
  various issues found during Cavium/QLogic's internal testing (stable
  CC's included), along with a few other stability and smaller
  miscellaneous improvements.

  There are also a couple of different patch sets from Mike Christie,
  which have been a result of his work to use target-core ALUA logic
  together with tcm-user backend driver.

  Finally, a patch to address some long standing issues with
  pass-through SCSI export of TYPE_TAPE + TYPE_MEDIUM_CHANGER devices,
  which will make folks using physical (or virtual) magnetic tape happy"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (28 commits)
  qla2xxx: Update driver version to 9.00.00.00-k
  qla2xxx: Fix delayed response to command for loop mode/direct connect.
  qla2xxx: Change scsi host lookup method.
  qla2xxx: Add DebugFS node to display Port Database
  qla2xxx: Use IOCB interface to submit non-critical MBX.
  qla2xxx: Add async new target notification
  qla2xxx: Export DIF stats via debugfs
  qla2xxx: Improve T10-DIF/PI handling in driver.
  qla2xxx: Allow relogin to proceed if remote login did not finish
  qla2xxx: Fix sess_lock & hardware_lock lock order problem.
  qla2xxx: Fix inadequate lock protection for ABTS.
  qla2xxx: Fix request queue corruption.
  qla2xxx: Fix memory leak for abts processing
  qla2xxx: Allow vref count to timeout on vport delete.
  tcmu: Convert cmd_time_out into backend device attribute
  tcmu: make cmd timeout configurable
  tcmu: add helper to check if dev was configured
  target: fix race during implicit transition work flushes
  target: allow userspace to set state to transitioning
  target: fix ALUA transition timeout handling
  ...
2017-03-19 18:06:31 -07:00