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661570 commits

Author SHA1 Message Date
Nicholas Bellinger
efb2ea770b iscsi-target: Fix TMR reference leak during session shutdown
This patch fixes a iscsi-target specific TMR reference leak
during session shutdown, that could occur when a TMR was
quiesced before the hand-off back to iscsi-target code
via transport_cmd_check_stop_to_fabric().

The reference leak happens because iscsit_free_cmd() was
incorrectly skipping the final target_put_sess_cmd() for
TMRs when transport_generic_free_cmd() returned zero because
the se_cmd->cmd_kref did not reach zero, due to the missing
se_cmd assignment in original code.

The result was iscsi_cmd and it's associated se_cmd memory
would be freed once se_sess->sess_cmd_map where released,
but the associated se_tmr_req was leaked and remained part
of se_device->dev_tmr_list.

This bug would manfiest itself as kernel paging request
OOPsen in core_tmr_lun_reset(), when a left-over se_tmr_req
attempted to dereference it's se_cmd pointer that had
already been released during normal session shutdown.

To address this bug, go ahead and treat ISCSI_OP_SCSI_CMD
and ISCSI_OP_SCSI_TMFUNC the same when there is an extra
se_cmd->cmd_kref to drop in iscsit_free_cmd(), and use
op_scsi to signal __iscsit_free_cmd() when the former
needs to clear any further iscsi related I/O state.

Reported-by: Rob Millner <rlm@daterainc.com>
Cc: Rob Millner <rlm@daterainc.com>
Reported-by: Chu Yuan Lin <cyl@datera.io>
Cc: Chu Yuan Lin <cyl@datera.io>
Tested-by: Chu Yuan Lin <cyl@datera.io>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-30 01:36:51 -07:00
Manish Narani
afea03fcf3 usb: gadget: Correct usb EP argument for BOT status request
This patch corrects the argument in usb_ep_free_request as it is
mistakenly set to ep_out. It should be ep_in for status request.

Signed-off-by: Manish Narani <mnarani@xilinx.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-30 01:36:50 -07:00
Nicholas Bellinger
740372b76e tcmu: Allow cmd_time_out to be set to zero (disabled)
The new cmd_time_out configfs attribute for TCMU is allowed to
be disabled, so go ahead and drop the tcmu_cmd_time_out_store()
check.

Reported-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-30 01:36:44 -07:00
Himanshu Madhani
6c611d18f3 qla2xxx: Update driver version to 9.00.00.00-k
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:38 -07:00
Quinn Tran
ec7193e260 qla2xxx: Fix delayed response to command for loop mode/direct connect.
Current driver wait for FW to be in the ready state before
processing in-coming commands. For Arbitrated Loop or
Point-to- Point (not switch), FW Ready state can take a while.
FW will transition to ready state after all Nports have been
logged in. In the mean time, certain initiators have completed
the login and starts IO. Driver needs to start processing all
queues if FW is already started.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:38 -07:00
Quinn Tran
482c9dc792 qla2xxx: Change scsi host lookup method.
For target mode, when new scsi command arrive, driver first performs
a look up of the SCSI Host. The current look up method is based on
the ALPA portion of the NPort ID. For Cisco switch, the ALPA can
not be used as the index. Instead, the new search method is based
on the full value of the Nport_ID via btree lib.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:37 -07:00
Himanshu Madhani
c423437e3f qla2xxx: Add DebugFS node to display Port Database
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:37 -07:00
Quinn Tran
15f30a5752 qla2xxx: Use IOCB interface to submit non-critical MBX.
The Mailbox interface is currently over subscribed. We like
to reserve the Mailbox interface for the chip managment and
link initialization. Any non essential Mailbox command will
be routed through the IOCB interface. The IOCB interface is
able to absorb more commands.

Following commands are being routed through IOCB interface

- Get ID List (007Ch)
- Get Port DB (0064h)
- Get Link Priv Stats (006Dh)

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:37 -07:00
Quinn Tran
f1443eebca qla2xxx: Add async new target notification
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:37 -07:00
Anil Gurumurthy
54b9993c8c qla2xxx: Export DIF stats via debugfs
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:36 -07:00
Quinn Tran
be25152c0d qla2xxx: Improve T10-DIF/PI handling in driver.
Add routines to support T10 DIF tag.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:36 -07:00
Quinn Tran
5b33469a05 qla2xxx: Allow relogin to proceed if remote login did not finish
If the remote port have started the login process, then the
PLOGI and PRLI should be back to back. Driver will allow
the remote port to complete the process. For the case where
the remote port decide to back off from sending PRLI, this
local port sets an expiration timer for the PRLI. Once the
expiration time passes, the relogin retry logic is allowed
to go through and perform login with the remote port.

Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:36 -07:00
Quinn Tran
f159b3c7cd qla2xxx: Fix sess_lock & hardware_lock lock order problem.
The main lock that needs to be held for CMD or TMR submission
to upper layer is the sess_lock. The sess_lock is used to
serialize cmd submission and session deletion. The addition
of hardware_lock being held is not necessary. This patch removes
hardware_lock dependency from CMD/TMR submission.

Use hardware_lock only for error response in this case.

Path1
       CPU0                    CPU1
       ----                    ----
  lock(&(&ha->tgt.sess_lock)->rlock);
                               lock(&(&ha->hardware_lock)->rlock);
                               lock(&(&ha->tgt.sess_lock)->rlock);
  lock(&(&ha->hardware_lock)->rlock);

Path2/deadlock
*** DEADLOCK ***
Call Trace:
dump_stack+0x85/0xc2
print_circular_bug+0x1e3/0x250
__lock_acquire+0x1425/0x1620
lock_acquire+0xbf/0x210
_raw_spin_lock_irqsave+0x53/0x70
qlt_sess_work_fn+0x21d/0x480 [qla2xxx]
process_one_work+0x1f4/0x6e0

Cc: <stable@vger.kernel.org>
Cc: Bart Van Assche <Bart.VanAssche@sandisk.com>
Reported-by: Bart Van Assche <Bart.VanAssche@sandisk.com>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:08 -07:00
Quinn Tran
8f6fc8d4e7 qla2xxx: Fix inadequate lock protection for ABTS.
Normally, ABTS is sent to Target Core as Task MGMT command.
In the case of error, qla2xxx needs to send response, hardware_lock
is required to prevent request queue corruption.

Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:08 -07:00
Quinn Tran
8b666809e1 qla2xxx: Fix request queue corruption.
When FW notify driver or driver detects low FW resource,
driver tries to send out Busy SCSI Status to tell Initiator
side to back off. During the send process, the lock was not held.

Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:08 -07:00
Quinn Tran
ae940f2c47 qla2xxx: Fix memory leak for abts processing
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:28:08 -07:00
Joe Carnuccio
c4a9b538ab qla2xxx: Allow vref count to timeout on vport delete.
Cc: <stable@vger.kernel.org>
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 17:27:56 -07:00
Nicholas Bellinger
7d7a743543 tcmu: Convert cmd_time_out into backend device attribute
Instead of putting cmd_time_out under ../target/core/user_0/foo/control,
which has historically been used by parameters needed for initial
backend device configuration, go ahead and move cmd_time_out into
a backend device attribute.

In order to do this, tcmu_module_init() has been updated to create
a local struct configfs_attribute **tcmu_attrs, that is based upon
the existing passthrough_attrib_attrs along with the new cmd_time_out
attribute.  Once **tcm_attrs has been setup, go ahead and point
it at tcmu_ops->tb_dev_attrib_attrs so it's picked up by target-core.

Also following MNC's previous change, ->cmd_time_out is stored in
milliseconds but exposed via configfs in seconds.  Also, note this
patch restricts the modification of ->cmd_time_out to before +
after the TCMU device has been configured, but not while it has
active fabric exports.

Cc: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 16:32:30 -07:00
Mike Christie
af980e46a2 tcmu: make cmd timeout configurable
A single daemon could implement multiple types of devices
using multuple types of real devices that may not support
restarting from crashes and/or handling tcmu timeouts. This
makes the cmd timeout configurable, so handlers that do not
support it can turn if off for now.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 16:32:27 -07:00
Mike Christie
972c7f1679 tcmu: add helper to check if dev was configured
This adds a helper to check if the dev was configured. It
will be used in the next patch to prevent updates to some
config settings after the device has been setup.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 16:32:19 -07:00
Mike Christie
760bf578ed target: fix race during implicit transition work flushes
This fixes the following races:

1. core_alua_do_transition_tg_pt could have read
tg_pt_gp_alua_access_state and gone into this if chunk:

if (!explicit &&
        atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state) ==
           ALUA_ACCESS_STATE_TRANSITION) {

and then core_alua_do_transition_tg_pt_work could update the
state. core_alua_do_transition_tg_pt would then only set
tg_pt_gp_alua_pending_state and the tg_pt_gp_alua_access_state would
not get updated with the second calls state.

2. core_alua_do_transition_tg_pt could be setting
tg_pt_gp_transition_complete while the tg_pt_gp_transition_work
is already completing. core_alua_do_transition_tg_pt then waits on the
completion that will never be called.

To handle these issues, we just call flush_work which will return when
core_alua_do_transition_tg_pt_work has completed so there is no need
to do the complete/wait. And, if core_alua_do_transition_tg_pt_work
was running, instead of trying to sneak in the state change, we just
schedule up another core_alua_do_transition_tg_pt_work call.

Note that this does not handle a possible race where there are multiple
threads call core_alua_do_transition_tg_pt at the same time. I think
we need a mutex in target_tg_pt_gp_alua_access_state_store.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:47:29 -07:00
Mike Christie
1ca4d4fa3b target: allow userspace to set state to transitioning
Userspace target_core_user handlers like tcmu-runner may want to set the
ALUA state to transitioning while it does implicit transitions. This
patch allows that state when set from configfs.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:47:28 -07:00
Mike Christie
d7175373f2 target: fix ALUA transition timeout handling
The implicit transition time tells initiators the min time
to wait before timing out a transition. We currently schedule
the transition to occur in tg_pt_gp_implicit_trans_secs
seconds so there is no room for delays. If
core_alua_do_transition_tg_pt_work->core_alua_update_tpg_primary_metadata
needs to write out info to a remote file, then the initiator can
easily time out the operation.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:47:28 -07:00
Mike Christie
207ee84133 target: Use system workqueue for ALUA transitions
If tcmu-runner is processing a STPG and needs to change the kernel's
ALUA state then we cannot use the same work queue for task management
requests and ALUA transitions, because we could deadlock. The problem
occurs when a STPG times out before tcmu-runner is able to
call into target_tg_pt_gp_alua_access_state_store->
core_alua_do_port_transition -> core_alua_do_transition_tg_pt ->
queue_work. In this case, the tmr is on the work queue waiting for
the STPG to complete, but the STPG transition is now queued behind
the waiting tmr.

Note:
This bug will also be fixed by this patch:
http://www.spinics.net/lists/target-devel/msg14560.html
which switches the tmr code to use the system workqueues.

For both, I am not sure if we need a dedicated workqueue since
it is not a performance path and I do not think we need WQ_MEM_RECLAIM
to make forward progress to free up memory like the block layer does.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:47:27 -07:00
Mike Christie
0a41457298 target: fail ALUA transitions for pscsi
We do not setup the LU group for pscsi devices, so if you write
a state to alua_access_state that will cause a transition you will
get a NULL pointer dereference.

This patch will fail attempts to try and transition the path
for backend devices that set the TRANSPORT_FLAG_PASSTHROUGH_ALUA
flag.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:47:26 -07:00
Mike Christie
530c6891b1 target: allow ALUA setup for some passthrough backends
This patch allows passthrough backends to use the core/base LIO
ALUA setup and state checks, but still handle the execution of
commands.

This will allow the target_core_user module to execute STPG and RTPG
in userspace, and not have to duplicate the ALUA state checks, path
information (needed so we can check if command is executable on
specific paths) and setup (rtslib sets/updates the configfs ALUA
interface like it does for iblock or file).

For STPG, the target_core_user userspace daemon, tcmu-runner will
still execute the STPG, and to update the core/base LIO state it
will use the existing configfs interface. For RTPG, tcmu-runner
will loop over configfs and/or cache the state.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:47:25 -07:00
Mike Christie
2579325ca0 tcmu: return on first Opt parse failure
We only were returing failure if the last opt to be parsed failed.
This has a return failure when we first detect a failure.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:47:25 -07:00
Mike Christie
3abaa2bfdb tcmu: allow hw_max_sectors greater than 128
tcmu hard codes the hw_max_sectors to 128 which is a litle small.
Userspace uses the max_sectors to report the optimal IO size and
some initiators perform better with larger IOs (open-iscsi seems
to do better with 256 to 512 depending on the test).

(Fix do not display hw max sectors twice - MNC)

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:46:52 -07:00
Nicholas Bellinger
9c28ca4ff8 target: Drop pointless tfo->check_stop_free check
All in-tree fabric drivers provide a tfo->check_stop_free(),
so there is no need to do the extra check within existing
transport_cmd_check_stop_to_fabric() code.

Just to be sure, add a check in target_fabric_tf_ops_check()
to notify any out-of-tree drivers that might be missing it.

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-18 14:42:50 -07:00
Max Lohrmann
13603685c1 target: Fix VERIFY_16 handling in sbc_parse_cdb
As reported by Max, the Windows 2008 R2 chkdsk utility expects
VERIFY_16 to be supported, and does not handle the returned
CHECK_CONDITION properly, resulting in an infinite loop.

The kernel will log huge amounts of this error:

kernel: TARGET_CORE[iSCSI]: Unsupported SCSI Opcode 0x8f, sending
CHECK_CONDITION.

Signed-off-by: Max Lohrmann <post@wickenrode.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-07 22:15:23 -08:00
Nicholas Bellinger
a04e54f2c3 target/pscsi: Fix TYPE_TAPE + TYPE_MEDIMUM_CHANGER export
The following fixes a divide by zero OOPs with TYPE_TAPE
due to pscsi_tape_read_blocksize() failing causing a zero
sd->sector_size being propigated up via dev_attrib.hw_block_size.

It also fixes another long-standing bug where TYPE_TAPE and
TYPE_MEDIMUM_CHANGER where using pscsi_create_type_other(),
which does not call scsi_device_get() to take the device
reference.  Instead, rename pscsi_create_type_rom() to
pscsi_create_type_nondisk() and use it for all cases.

Finally, also drop a dump_stack() in pscsi_get_blocks() for
non TYPE_DISK, which in modern target-core can get invoked
via target_sense_desc_format() during CHECK_CONDITION.

Reported-by: Malcolm Haak <insanemal@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-03-07 22:15:19 -08:00
Linus Torvalds
c1ae3cfa0e Linux 4.11-rc1 2017-03-05 12:59:56 -08:00
Linus Torvalds
8d70eeb84a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix double-free in batman-adv, from Sven Eckelmann.

 2) Fix packet stats for fast-RX path, from Joannes Berg.

 3) Netfilter's ip_route_me_harder() doesn't handle request sockets
    properly, fix from Florian Westphal.

 4) Fix sendmsg deadlock in rxrpc, from David Howells.

 5) Add missing RCU locking to transport hashtable scan, from Xin Long.

 6) Fix potential packet loss in mlxsw driver, from Ido Schimmel.

 7) Fix race in NAPI handling between poll handlers and busy polling,
    from Eric Dumazet.

 8) TX path in vxlan and geneve need proper RCU locking, from Jakub
    Kicinski.

 9) SYN processing in DCCP and TCP need to disable BH, from Eric
    Dumazet.

10) Properly handle net_enable_timestamp() being invoked from IRQ
    context, also from Eric Dumazet.

11) Fix crash on device-tree systems in xgene driver, from Alban Bedel.

12) Do not call sk_free() on a locked socket, from Arnaldo Carvalho de
    Melo.

13) Fix use-after-free in netvsc driver, from Dexuan Cui.

14) Fix max MTU setting in bonding driver, from WANG Cong.

15) xen-netback hash table can be allocated from softirq context, so use
    GFP_ATOMIC. From Anoob Soman.

16) Fix MAC address change bug in bgmac driver, from Hari Vyas.

17) strparser needs to destroy strp_wq on module exit, from WANG Cong.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (69 commits)
  strparser: destroy workqueue on module exit
  sfc: fix IPID endianness in TSOv2
  sfc: avoid max() in array size
  rds: remove unnecessary returned value check
  rxrpc: Fix potential NULL-pointer exception
  nfp: correct DMA direction in XDP DMA sync
  nfp: don't tell FW about the reserved buffer space
  net: ethernet: bgmac: mac address change bug
  net: ethernet: bgmac: init sequence bug
  xen-netback: don't vfree() queues under spinlock
  xen-netback: keep a local pointer for vif in backend_disconnect()
  netfilter: nf_tables: don't call nfnetlink_set_err() if nfnetlink_send() fails
  netfilter: nft_set_rbtree: incorrect assumption on lower interval lookups
  netfilter: nf_conntrack_sip: fix wrong memory initialisation
  can: flexcan: fix typo in comment
  can: usb_8dev: Fix memory leak of priv->cmd_msg_buffer
  can: gs_usb: fix coding style
  can: gs_usb: Don't use stack memory for USB transfers
  ixgbe: Limit use of 2K buffers on architectures with 256B or larger cache lines
  ixgbe: update the rss key on h/w, when ethtool ask for it
  ...
2017-03-04 17:31:39 -08:00
Linus Torvalds
2d62e0768d Second batch of KVM changes for 4.11 merge window
PPC:
  * correct assumption about ASDR on POWER9
  * fix MMIO emulation on POWER9
 
 x86:
  * add a simple test for ioperm
  * cleanup TSS
    (going through KVM tree as the whole undertaking was caused by VMX's
     use of TSS)
  * fix nVMX interrupt delivery
  * fix some performance counters in the guest
 
 And two cleanup patches.
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Merge tag 'kvm-4.11-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull more KVM updates from Radim Krčmář:
 "Second batch of KVM changes for the 4.11 merge window:

  PPC:
   - correct assumption about ASDR on POWER9
   - fix MMIO emulation on POWER9

  x86:
   - add a simple test for ioperm
   - cleanup TSS (going through KVM tree as the whole undertaking was
     caused by VMX's use of TSS)
   - fix nVMX interrupt delivery
   - fix some performance counters in the guest

  ... and two cleanup patches"

* tag 'kvm-4.11-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: nVMX: Fix pending events injection
  x86/kvm/vmx: remove unused variable in segment_base()
  selftests/x86: Add a basic selftest for ioperm
  x86/asm: Tidy up TSS limit code
  kvm: convert kvm.users_count from atomic_t to refcount_t
  KVM: x86: never specify a sample period for virtualized in_tx_cp counters
  KVM: PPC: Book3S HV: Don't use ASDR for real-mode HPT faults on POWER9
  KVM: PPC: Book3S HV: Fix software walk of guest process page tables
2017-03-04 11:36:19 -08:00
Linus Torvalds
be834aafdf A few fixes for the docs tree, including one for a 4.11 build regression.
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Merge tag 'docs-4.11-fixes' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A few fixes for the docs tree, including one for a 4.11 build
  regression"

* tag 'docs-4.11-fixes' of git://git.lwn.net/linux:
  Documentation/sphinx: fix primary_domain configuration
  docs: Fix htmldocs build failure
  doc/ko_KR/memory-barriers: Update control-dependencies section
  pcieaer doc: update the link
  Documentation: Update path to sysrq.txt
2017-03-04 11:32:18 -08:00
Linus Torvalds
91aff98b79 Staging/IIO driver fixes for 4.11-rc1
Here are a few small staging and IIO driver fixes for issues that showed
 up after the big set if changes you merged last week.
 
 Nothing major, just small bugs resolved in some IIO drivers, a lustre
 allocation fix, and some RaspberryPi driver fixes for reported problems,
 as well as a MAINTAINERS entry update.
 
 All of these have been in linux-next for a week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are a few small staging and IIO driver fixes for issues that
  showed up after the big set if changes you merged last week.

  Nothing major, just small bugs resolved in some IIO drivers, a lustre
  allocation fix, and some RaspberryPi driver fixes for reported
  problems, as well as a MAINTAINERS entry update.

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

* tag 'staging-4.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: fsl-mc: fix warning in DT ranges parser
  MAINTAINERS: Remove Noralf Trønnes as fbtft maintainer
  staging: vchiq_2835_arm: Make cache-line-size a required DT property
  staging: bcm2835/mmal-vchiq: unlock on error in buffer_from_host()
  staging/lustre/lnet: Fix allocation size for sv_cpt_data
  iio: adc: xilinx: Fix error handling
  iio: 104-quad-8: Fix off-by-one error when addressing flag register
  iio: adc: handle unknow of_device_id data
2017-03-04 11:26:18 -08:00
Linus Torvalds
33a8b3e99d Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:

 - vmalloc stack regression in CCM

 - Build problem in CRC32 on ARM

 - Memory leak in cavium

 - Missing Kconfig dependencies in atmel and mediatek

 - XTS Regression on some platforms (s390 and ppc)

 - Memory overrun in CCM test vector

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: vmx - Use skcipher for xts fallback
  crypto: vmx - Use skcipher for cbc fallback
  crypto: testmgr - Pad aes_ccm_enc_tv_template vector
  crypto: arm/crc32 - add build time test for CRC instruction support
  crypto: arm/crc32 - fix build error with outdated binutils
  crypto: ccm - move cbcmac input off the stack
  crypto: xts - Propagate NEED_FALLBACK bit
  crypto: api - Add crypto_requires_off helper
  crypto: atmel - CRYPTO_DEV_MEDIATEK should depend on HAS_DMA
  crypto: atmel - CRYPTO_DEV_ATMEL_TDES and CRYPTO_DEV_ATMEL_SHA should depend on HAS_DMA
  crypto: cavium - fix leak on curr if curr->head fails to be allocated
  crypto: cavium - Fix couple of static checker errors
2017-03-04 10:42:53 -08:00
Linus Torvalds
0710f3ff91 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc final vfs updates from Al Viro:
 "A few unrelated patches that got beating in -next.

  Everything else will have to go into the next window ;-/"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  hfs: fix hfs_readdir()
  selftest for default_file_splice_read() infoleak
  9p: constify ->d_name handling
2017-03-03 21:44:35 -08:00
Linus Torvalds
a3b4924b02 SCSI misc on 20170303
This is the set of stuff that didn't quite make the initial pull and a
 set of fixes for stuff which did.  The new stuff is basically lpfc
 (nvme), qedi and aacraid.  The fixes cover a lot of previously
 submitted stuff, the most important of which probably covers some of
 the failing irq vectors allocation and other fallout from having the
 SCSI command allocated as part of the block allocation functions.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is the set of stuff that didn't quite make the initial pull and a
  set of fixes for stuff which did.

  The new stuff is basically lpfc (nvme), qedi and aacraid. The fixes
  cover a lot of previously submitted stuff, the most important of which
  probably covers some of the failing irq vectors allocation and other
  fallout from having the SCSI command allocated as part of the block
  allocation functions"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (59 commits)
  scsi: qedi: Fix memory leak in tmf response processing.
  scsi: aacraid: remove redundant zero check on ret
  scsi: lpfc: use proper format string for dma_addr_t
  scsi: lpfc: use div_u64 for 64-bit division
  scsi: mac_scsi: Fix MAC_SCSI=m option when SCSI=m
  scsi: cciss: correct check map error.
  scsi: qla2xxx: fix spelling mistake: "seperator" -> "separator"
  scsi: aacraid: Fixed expander hotplug for SMART family
  scsi: mpt3sas: switch to pci_alloc_irq_vectors
  scsi: qedf: fixup compilation warning about atomic_t usage
  scsi: remove scsi_execute_req_flags
  scsi: merge __scsi_execute into scsi_execute
  scsi: simplify scsi_execute_req_flags
  scsi: make the sense header argument to scsi_test_unit_ready mandatory
  scsi: sd: improve TUR handling in sd_check_events
  scsi: always zero sshdr in scsi_normalize_sense
  scsi: scsi_dh_emc: return success in clariion_std_inquiry()
  scsi: fix memory leak of sdpk on when gd fails to allocate
  scsi: sd: make sd_devt_release() static
  scsi: qedf: Add QLogic FastLinQ offload FCoE driver framework.
  ...
2017-03-03 21:36:56 -08:00
WANG Cong
f78ef7cd9a strparser: destroy workqueue on module exit
Fixes: 43a0c6751a ("strparser: Stream parser for messages")
Cc: Tom Herbert <tom@herbertland.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-03 20:43:26 -08:00
David S. Miller
20b83643ab Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following patchset contains Netfilter fixes for your net tree,
they are:

1) Missing check for full sock in ip_route_me_harder(), from
   Florian Westphal.

2) Incorrect sip helper structure initilization that breaks it when
   several ports are used, from Christophe Leroy.

3) Fix incorrect assumption when looking up for matching with adjacent
   intervals in the nft_set_rbtree.

4) Fix broken netlink event error reporting in nf_tables that results
   in misleading ESRCH errors propagated to userspace listeners.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-03 20:40:06 -08:00
Linus Torvalds
0b94da8dfc Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
 "A fix and regression test case for nvdimm namespace label
  compatibility.

  Details:

   - An "nvdimm namespace label" is metadata on an nvdimm that
     provisions dimm capacity into a "namespace" that can host a block
     device / dax-filesytem, or a device-dax character device.

     A namespace is an object that other operating environment and
     platform firmware needs to comprehend for capabilities like booting
     from an nvdimm.

     The label metadata contains a checksum that Linux was not
     calculating correctly leading to other environments rejecting the
     Linux label.

   These have received a build success notification from the kbuild
   robot, and a positive test result from Nick who reported the problem"

* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  nfit, libnvdimm: fix interleave set cookie calculation
  tools/testing/nvdimm: make iset cookie predictable
2017-03-03 16:48:48 -08:00
Linus Torvalds
e27fd02d92 pci-v4.11-fixes-1
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Merge tag 'pci-v4.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - fix NULL pointer dereferences in many DesignWare-based drivers due to
   refactoring error

 - fix Altera config write breakage due to my refactoring error

* tag 'pci-v4.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: altera: Fix TLP_CFG_DW0 for TLP write
  PCI: dwc: Fix crashes seen due to missing assignments
2017-03-03 16:44:21 -08:00
Linus Torvalds
f47e2db43d Merge branch 'parisc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes and cleanups from Helge Deller:
 "Nothing really important in this patchset: fix resource leaks in error
  paths, coding style cleanups and code removal"

* 'parisc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Remove flush_user_dcache_range and flush_user_icache_range
  parisc: fix a printk
  parisc: ccio-dma: Handle return NULL error from ioremap_nocache
  parisc: Define access_ok() as macro
  parisc: eisa: Fix resource leaks in error paths
  parisc: eisa: Remove coding style errors
2017-03-03 16:20:06 -08:00
Linus Torvalds
606ed721af Xtensa improvements for v4.11:
- clean up bootable image build targets: provide separate 'Image',
   'zImage' and 'uImage' make targets that only build corresponding
   image type. Make 'all' build all images appropriate for a platform;
 - allow merging vectors code into .text section as a preparation step
   for XIP support;
 - fix handling external FDT when the kernel is built without
   BLK_DEV_INITRD support.
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Merge tag 'xtensa-20170303' of git://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa updates from Max Filippov:

 - clean up bootable image build targets: provide separate 'Image',
   'zImage' and 'uImage' make targets that only build corresponding
   image type. Make 'all' build all images appropriate for a platform

 - allow merging vectors code into .text section as a preparation step
   for XIP support

 - fix handling external FDT when the kernel is built without
   BLK_DEV_INITRD support

* tag 'xtensa-20170303' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: allow merging vectors into .text section
  xtensa: clean up bootable image build targets
  xtensa: move parse_tag_fdt out of #ifdef CONFIG_BLK_DEV_INITRD
2017-03-03 16:17:55 -08:00
Linus Torvalds
a1a0db36d8 ARM: SoC: late DT updates for v4.11
These updates have been kept in a separate branch mostly because
 they rely on updates to the respective clk drivers to keep the
 shared header files in sync.
 
 This includes two branches for arm64 dt updates, both following up
 on earlier changes for the same platforms that are already merged:
 
 Samsung:
   - add USB3 support in Exynos7
   - minor PM related updates
 
 Amlogic:
   - new machines: WeTek Set-top-boxes
   - various devices added to DT
 
 There are also a couple of bugfixes that trickled in since the
 start of the merge window:
 
 - The moxart_defconfig was not building the intended platform
 - CPU-hotplug was broken on ux500
 - Coresight was broken on Juno (never worked)
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late DT updates from Arnd Bergmann:
 "These updates have been kept in a separate branch mostly because they
  rely on updates to the respective clk drivers to keep the shared
  header files in sync.

  This includes two branches for arm64 dt updates, both following up on
  earlier changes for the same platforms that are already merged:

  Samsung:
   - add USB3 support in Exynos7
   - minor PM related updates

  Amlogic:
   - new machines: WeTek Set-top-boxes
   - various devices added to DT

  There are also a couple of bugfixes that trickled in since the start
  of the merge window:

   - The moxart_defconfig was not building the intended platform
   - CPU-hotplug was broken on ux500
   - Coresight was broken on Juno (never worked)"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
  ARM: deconfig: fix the moxart defconfig
  ARM: ux500: resume the second core properly
  arm64: dts: juno: update definition for programmable replicator
  arm64: dts: exynos: Add regulators for Vbus and Vbus-Boost
  arm64: dts: exynos: Add USB 3.0 controller node for Exynos7
  arm64: dts: exynos: Use macros for pinctrl configuration on Exynos7
  pinctrl: dt-bindings: samsung: Add Exynos7 specific pinctrl macro definitions
  arm64: dts: exynos: Add initial configuration for DISP clocks for TM2/TM2e
  ARM64: dts: meson-gxbb-p200: add ADC laddered keys
  ARM64: dts: meson: meson-gx: add the SAR ADC
  ARM64: dts: meson-gxl: add the pwm_ao_b pin
  ARM64: dts: meson-gx: add the missing pwm_AO_ab node
  clk: gxbb: fix CLKID_ETH defined twice
  ARM64: dts: meson-gxl: rename Nexbox A95x for consistency
  clk: gxbb: add the SAR ADC clocks and expose them
  dt-bindings: amlogic: Add WeTek boards
  ARM64: dts: meson-gxbb: Add support for WeTek Hub and Play
  dt-bindings: vendor-prefix: Add wetek vendor prefix
  ARM64: dts: meson-gxm: Rename q200 and q201 DT files for consistency
  ARM64: dts: meson-gx: Add HDMI HPD/DDC pinctrl nodes
  ...
2017-03-03 16:15:48 -08:00
Linus Torvalds
0a040b2113 Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull SMB3 fixes from Steve French:
 "Some small bug fixes as well as SMB2.1/SMB3 enablement for DFS (global
  namespace) which previously was only enabled for CIFS"

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  smb2: Enforce sec= mount option
  CIFS: Fix sparse warnings
  CIFS: implement get_dfs_refer for SMB2+
  CIFS: use DFS pathnames in SMB2+ Create requests
  CIFS: set signing flag in SMB2+ TreeConnect if needed
  CIFS: let ses->ipc_tid hold smb2 TreeIds
  CIFS: add use_ipc flag to SMB2_ioctl()
  CIFS: add build_path_from_dentry_optional_prefix()
  CIFS: move DFS response parsing out of SMB1 code
  CIFS: Fix possible use after free in demultiplex thread
2017-03-03 16:00:59 -08:00
John Keeping
fd5d666932 Documentation/sphinx: fix primary_domain configuration
With Sphinx 1.5.3 I get the warning:

	WARNING: primary_domain 'C' not found, ignored.

It seems that domain names in Sphinx are case-sensitive and for the C
domain the name must be lower case.

Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-03-03 16:12:30 -07:00
Martyn Welch
f3fc83e555 docs: Fix htmldocs build failure
Build of HTML docs failing due to conversion of deviceiobook.tmpl in
8a8a602f and regulator.tmpl in 028f2533 to RST without removing from
DOCBOOKS in Makefile, resulting (in the case of deviceiobook) the
following error:

make[1]: *** No rule to make target 'Documentation/DocBook/deviceiobook.xml', needed by 'Documentation/DocBook/deviceiobook.aux.xml'.  Stop.
Makefile:1452: recipe for target 'htmldocs' failed
make: *** [htmldocs] Error 2

Update DOCBOOKS to reflect available books.

Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-03-03 16:11:38 -07:00
SeongJae Park
9857b1ad47 doc/ko_KR/memory-barriers: Update control-dependencies section
This commit applies upstream change, commit c8241f8553 ("doc: Update
control-dependencies section of memory-barriers.txt"), to Korean
translation.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-03-03 15:54:55 -07:00