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Commit 01e7da6ba53c ("RDMA/cxgb4: Make sure flush CQ entries are
collected on connection close") introduced a potential problem where a
CQ's comp_handler can get called simultaneously from different places
in the iw_cxgb4 driver. This does not comply with
Documentation/infiniband/core_locking.txt, which states that at a
given point of time, there should be only one callback per CQ should
be active.
This problem was reported by Parav Pandit <Parav.Pandit@Emulex.Com>.
Based on discussion between Parav Pandit and Steve Wise, this patch
fixes the above problem by serializing the calls to a CQ's
comp_handler using a spin_lock.
Reported-by: Parav Pandit <Parav.Pandit@Emulex.Com>
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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iw_cxgb3 has a potential problem where a CQ's comp_handler can get
called simultaneously from different places in iw_cxgb3 driver. This
does not comply with Documentation/infiniband/core_locking.txt, which
states that at a given point of time, there should be only one
callback per CQ should be active.
Such problem was reported by Parav Pandit <Parav.Pandit@Emulex.Com>
for iw_cxgb4 driver. Based on discussion between Parav Pandit and
Steve Wise, this patch fixes the above problem by serializing the
calls to a CQ's comp_handler using a spin_lock.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix an issue where the link would come up after replugging a cable
even if it has been DISABLED manually.
Signed-off-by: Mitko Haralanov <mitko@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This avoids the PCI_PRI question in 'make config' when PCI
is not selected.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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If the kernel has requested control of the PCIe native hotplug
feature for a given root complex, the acpiphp driver should not try
to handle that root complex and it should leave it to pciehp.
Failing to do so causes problems to happen if acpiphp is loaded
before pciehp on such systems.
To address this issue make find_root_bridges() ignore PCIe root
complexes with PCIe native hotplug enabled and make add_bridge()
return error code if PCIe native hotplug is enabled for the given
root port. This causes acpiphp to refuse to load if PCIe native
hotplug is enabled for all complexes and to refuse binding to
the root complexes with PCIe native hotplug is enabled.
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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mce->socketid and cpu_data(mce->cpu).phys_proc_id are the same,
compare with mce_setup (in mce.c):
m->cpu = m->extcpu = smp_processor_id();
...
m->socketid = cpu_data(m->extcpu).phys_proc_id;
This makes it easier for example for XEN patches to hook into
the MCE subsystem.
Compile tested on x86_64.
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: JBeulich@novell.com
CC: linux-edac@vger.kernel.org
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
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Xeon 35xx doesn't mention memory scrub. It seems that only Xeon 55xx
and above supports it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add scrubbing support to i7core_edac, tested on intel Xeon L5638.
Signed-off-by: Samuel Gabrielsson <samuel.gabrielsson@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As we'll need to use those structs for trace functions, they should
be on a more public place. So, move struct mem_ctl_info & friends
to edac.h.
No functional changes on this patch.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
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Error injection needs the pci device 0:0. So, we need to revert
this changeset: 79daef2099a02fed35747c23bad22f30441133ea.
Tests need to be made to be sure that refcount won't be wrong
as noticed before.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Conflicts:
arch/arm/include/asm/localtimer.h
arch/arm/mach-msm/board-msm8x60.c
arch/arm/mach-omap2/board-generic.c
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of_irq_init will scan the devicetree for matching interrupt controller
nodes. Then it calls an initialization function for each found controller
in the proper order with parent nodes initialized before child nodes.
Based on initial pseudo code from Grant Likely.
Changes in v4:
- Drop unnecessary empty list check
- Be more verbose on errors
- Simplify "if (!desc) WARN_ON(1)" to "if (WARN_ON(!desc))"
Changes in v3:
- add missing kfree's found by Jamie
- Implement Grant's comments to simplify the init loop
- fix function comments
Changes in v2:
- Complete re-write of list searching code from Grant Likely
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Tested-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
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In the OCZ RevoDrive3/zDrive R4 series, the "OCZ SuperScale Storage
Controller" with "Virtualized Controller Architecture 2.0" really seems
to be a Marvell 88SE9485 part, with OCZ firmware/BIOS.
Developed and tested on OCZ RevoDrive3 120GB [PCI 1b85:1021]
Should work on:
- OCZ RevoDrive3 (2x SandForce 2281)
- OCZ RevoDrive3 X2 (4x SandForce 2281)
- OCZ zDrive R4 CM84 (4x SandForce 2281)
- OCZ zDrive R4 CM88 (8x SandForce 2281)
- OCZ zDrive R4 RM84 (4x SandForce 2582)
- OCZ zDrive R4 RM88 (8x SandForce 2582)
All of this because a friend recently bought a OCZ RevoDrive3 and was
bitten by the lack of Linux support.
Notes from testing:
-------------------
- SMART works.
- VPD Device Identification is "OCZ-REVODRIVE3"
- Thin provisioning/TRIM seems to be implemented as WRITE SAME UNMAP,
with deterministic (non-zero) read after TRIM, but I'm not sure if it
works 100% in my testing.
- Some of the tuning in the firmware seems to ensure much better
performance when in a RAID0 setup than using the two devices
seperately.
I have not tested booting from the SSD, because all of this was
developed and tested remotely from the actual hardware.
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
Thanks-To: Gordon Pritchard <gordp@sfu.ca>
Acked-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Adds more cases to do flogi retry, now also retry
on getting bad response due to either no ELS response
or flogi response payload length not large enough.
In those cases flogi was not retried and that
was leaving lport offline.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Currently timer delay is large and is using msleep to avoid
avoid exchanges collision across lport reset, so instead
do this by initializing exches pool indexes during
reset also.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Its checked after skb freed, so instead have fh_type
cached and then check FC_TYPE_BLS against cached
fh_type value.
This wrong check was causing double exch locking as
reported by Bhanu at
https://lists.open-fcoe.org/pipermail/devel/2011-October/011793.html
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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PCI Express devices will return "XPRS" host bus type during BIOS EDD
call. "XPRS" should be treated just like "PCI" so that the proper
pci_dev symlink will be created. Scripts such as fcoe_edd.sh will
then work correctly.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Matt Domsch <Matt_Domsch@dell.com>
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Fixes bug where max_concurr_spinup oem parameter should be
overriden by max_concurr_spinup user parameter. Override should
happen only when max_concurr_spinup user parameter is specified
in command line (greater than 0). Also this fix shortens variables
representing max_conxurr_spinup for oem and user parameters.
Signed-off-by: Andrzej Jakowski <andrzej.jakowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The initial bcn filtering implementation was validated on a kernel
baseline that predated the switch to new libata error handling. Also,
prior to that conversion we borrowed the mvsas MVS_DEV_EH approach to
prevent the unwanted extra ap->ops->phy_reset(ap) that occurred in the
ata_bus_probe() path.
After the conversion to new libata eh resets at discovery are more
frequent and get filtered prematurely by IDEV_EH. The result is that
our bcn filtering has been blocked from running and at discovery and it
appears to stall discovery completion to the point of triggering hung
task timeouts. So, revert the implementation for now. When it returns
it will go into libsas proper.
The domain rediscovery that takes place due to ->lldd_I_T_nexus_reset()
events should now be properly waited for by the ata_port_wait_eh() call
in ata_port_probe(). So the hard coded delay in the isci
->lldd_I_T_nexus_reset() and other libsas drivers should help debounce
the libsas thread from seeing temporary device removals.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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A hard reset can timeout before or after the last phy in the
port goes away. If after, then notify the OS that the last
phy has failed.
The recovery for the failed hard reset has been removed.
This recovery code was unecessary in that the link would
recover from the failure normally by a new link reset sequence
or hotplug of the remote device.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The lldd does not need to look at or manage the pending device
reset bit in pending sas_tasks.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Use the existing IREQ_TMF flag as a request type indicator.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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libsas uses the LLDD abort task interface to handle I/O timeouts
in the SATA/STP and SMP discovery paths, so this change will terminate
STP/SMP requests. Also, if the device is gone, the lldd will prevent
libsas from further escalations in the error handler.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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libsas will cleanup pending sas_tasks after error handler
path functions are called; do not call task_done callbacks.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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In the case where "task" requests timeout (note that this class of
requests can also include SATA/STP soft reset FIS transmissions),
handle the case where the task was being managed by some call to
terminate the task request by completing both the tmf and the aborting
process.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Make sure terminated requests and completed task tags are freed.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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In the case where an I/O fails to start in isci_request_execute,
only allow retries if the device is not already gone.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The LLDD needs to obtain a reference to the device through the request
itself and not through the domain_device, because the
domain_device.lldd_dev is set to NULL early in the lldd_dev_gone call.
This relies on the fact that the isci_remote_device object is keeping a
seperate reference count of outstanding requests. TODO: unify the
request count tracking with the isci_remote_device kref.
The failure signature of this condition looks like the following
log, where the important bits are the call to lldd_dev_gone followed
by a crash in isci_terminate_request_core:
[ 229.151541] isci 0000:0b:00.0: isci_remote_device_gone: domain_device = ffff8801492d4800, isci_device = ffff880143c657d0, isci_port = ffff880143c63658
[ 229.166007] isci 0000:0b:00.0: isci_remote_device_stop: isci_device = ffff880143c657d0
[ 229.175317] isci 0000:0b:00.0: isci_terminate_pending_requests: idev=ffff880143c657d0 request=ffff88014741f000; task=ffff8801470f46c0 old_state=2
[ 229.189702] isci 0000:0b:00.0: isci_terminate_request_core: device = ffff880143c657d0; request = ffff88014741f000
[ 229.201339] isci 0000:0b:00.0: isci_terminate_request_core: before completion wait (ffff88014741f000/ffff880149715ad0)
[ 229.213414] isci 0000:0b:00.0: sci_controller_process_completions: completion queue entry:0x8000a0e9
[ 229.214401] BUG: unable to handle kernel NULL pointer dereference at 0000000000000228
[ 229.214401] IP:jdskirvi-testlbo [<ffffffffa00a58be>] sci_request_completed_state_enter+0x50/0xafb [isci]
[ 229.214401] PGD 13d19e067 PUD 13d104067 PMD 0
[ 229.214401] Oops: 0000 [#1] SMP
[ 229.214401] CPU 0 x kernel: [ 226
[ 229.214401] Modules linked in: ipv6 dm_multipath uinput nouveau snd_hda_codec_realtek snd_hda_intel ttm drm_kms_helper drm snd_hda_codec snd_hwdep snd_pcm snd_timer i2c_algo_bit isci snd libsas ioatdma mxm_wmi iTCO_wdt soundcore snd_page_alloc scsi_transport_sas iTCO_vendor_support wmi dca video i2c_i801 i2c_core [last unloaded: speedstep_lib]
[ 229.214401]
[ 229.214401] Pid: 5, comm: kworker/u:0 Not tainted 3.0.0-isci-11.7.29+ #30.353196] Buffer Intel Corporation Stoakley/Pearlcity Workstation
[ 229.214401] RIP: 0010:[<ffffffffa00a58be>] I/O error on dev [<ffffffffa00a58be>] sci_request_completed_state_enter+0x50/0xafb [isci]
[ 229.214401] RSP: 0018:ffff88014fc03d20 EFLAGS: 00010046
[ 229.214401] RAX: 0000000000000000 RBX: ffff88014741f000 RCX: 0000000000000000
[ 229.214401] RDX: ffffffffa00b2c90 RSI: 0000000000000017 RDI: ffff88014741f0a0
[ 229.214401] RBP: ffff88014fc03d90 R08: 0000000000000018 R09: 0000000000000000
[ 229.214401] R10: 0000000000000000 R11: ffffffff81a17d98 R12: 000000000000001d
[ 229.214401] R13: ffff8801470f46c0 R14: 0000000000000000 R15: 0000000000008000
[ 229.214401] FS: 0000000000000000(0000) GS:ffff88014fc00000(0000) knlGS:0000000000000000
[ 229.214401] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 229.214401] CR2: 0000000000000228 CR3: 000000013ceaa000 CR4: 00000000000406f0
[ 229.214401] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 229.214401] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 229.214401] Process kworker/u:0 (pid: 5, threadinfo ffff880149714000, task ffff880149718000)
[ 229.214401] Call Trace:
[ 229.214401] <IRQ>
[ 229.214401] [<ffffffffa00aa6ce>] sci_change_state+0x4a/0x4f [isci]
[ 229.214401] [<ffffffffa00a4ca6>] sci_io_request_tc_completion+0x79c/0x7a0 [isci]
[ 229.214401] [<ffffffffa00acf35>] sci_controller_process_completions+0x14f/0x396 [isci]
[ 229.214401] [<ffffffffa00abbda>] ? spin_lock_irq+0xe/0x10 [isci]
[ 229.214401] [<ffffffffa00ad2cf>] isci_host_completion_routine+0x71/0x2be [isci]
[ 229.214401] [<ffffffff8107c6b3>] ? mark_held_locks+0x52/0x70
[ 229.214401] [<ffffffff810538e8>] tasklet_action+0x90/0xf1
[ 229.214401] [<ffffffff81054050>] __do_softirq+0xe5/0x1bf
[ 229.214401] [<ffffffff8106d9d1>] ? hrtimer_interrupt+0x129/0x1bb
[ 229.214401] [<ffffffff814ff69c>] call_softirq+0x1c/0x30
[ 229.214401] [<ffffffff8100bb67>] do_softirq+0x4b/0xa3
[ 229.214401] [<ffffffff81053d84>] irq_exit+0x53/0xb4
[ 229.214401] [<ffffffff814fffe7>] smp_apic_timer_interrupt+0x83/0x91
[ 229.214401] [<ffffffff814fee53>] apic_timer_interrupt+0x13/0x20
[ 229.214401] <EOI>
[ 229.214401] [<ffffffff814f7ad4>] ? retint_restore_args+0x13/0x13
[ 229.214401] [<ffffffff8107af29>] ? trace_hardirqs_off+0xd/0xf
[ 229.214401] [<ffffffff8104ea71>] ? vprintk+0x40b/0x452
[ 229.214401] [<ffffffff814f4b5a>] printk+0x41/0x47
[ 229.214401] [<ffffffff81314484>] __dev_printk+0x78/0x7a
[ 229.214401] [<ffffffff8131471e>] dev_printk+0x45/0x47
[ 229.214401] [<ffffffffa00ae2a3>] isci_terminate_request_core+0x15d/0x317 [isci]
[ 229.214401] [<ffffffffa00af1ad>] isci_terminate_pending_requests+0x1a4/0x204 [isci]
[ 229.214401] [<ffffffffa00229f6>] ? sas_phye_oob_error+0xc3/0xc3 [libsas]
[ 229.214401] [<ffffffffa00a7d9e>] isci_remote_device_nuke_requests+0xa6/0xff [isci]
[ 229.214401] [<ffffffffa00a811a>] isci_remote_device_stop+0x7c/0x166 [isci]
[ 229.214401] [<ffffffffa00229f6>] ? sas_phye_oob_error+0xc3/0xc3 [libsas]
[ 229.214401] [<ffffffffa00a827a>] isci_remote_device_gone+0x76/0x7e [isci]
[ 229.214401] [<ffffffffa002363e>] sas_notify_lldd_dev_gone+0x34/0x36 [libsas]
[ 229.214401] [<ffffffffa0023945>] sas_unregister_dev+0x57/0x9c [libsas]
[ 229.214401] [<ffffffffa00239c0>] sas_unregister_domain_devices+0x36/0x65 [libsas]
[ 229.214401] [<ffffffffa0022cb8>] sas_deform_port+0x72/0x1ac [libsas]
[ 229.214401] [<ffffffffa00229f6>] ? sas_phye_oob_error+0xc3/0xc3 [libsas]
[ 229.214401] [<ffffffffa0022a34>] sas_phye_loss_of_signal+0x3e/0x42 [libsas]
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Add the appropriate definition and table entry for an additional adapter.
Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This patch validates sdev pointer in scsi_dh_activate before proceeding further.
Without this check we might see the panic as below. I have seen this
panic multiple times..
Call trace:
#0 [ffff88007d647b50] machine_kexec at ffffffff81020902
#1 [ffff88007d647ba0] crash_kexec at ffffffff810875b0
#2 [ffff88007d647c70] oops_end at ffffffff8139c650
#3 [ffff88007d647c90] __bad_area_nosemaphore at ffffffff8102dd15
#4 [ffff88007d647d50] page_fault at ffffffff8139b8cf
[exception RIP: scsi_dh_activate+0x82]
RIP: ffffffffa0041922 RSP: ffff88007d647e00 RFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000000093c5
RDX: 00000000000093c5 RSI: ffffffffa02e6640 RDI: ffff88007cc88988
RBP: 000000000000000f R8: ffff88007d646000 R9: 0000000000000000
R10: ffff880082293790 R11: 00000000ffffffff R12: ffff88007cc88988
R13: 0000000000000000 R14: 0000000000000286 R15: ffff880037b845e0
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000
#5 [ffff88007d647e38] run_workqueue at ffffffff81060268
#6 [ffff88007d647e78] worker_thread at ffffffff81060386
#7 [ffff88007d647ee8] kthread at ffffffff81064436
#8 [ffff88007d647f48] kernel_thread at ffffffff81003fba
Signed-off-by: Babu Moger <babu.moger@netapp.com>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Based on a patch by Mark Wu <dwu@redhat.com>
Current index allocation in virtio-blk is based on a monotonically
increasing variable "index". This means we'll run out of numbers
after a while. It also could cause confusion about the disk
name in the case of hot-plugging disks.
Change virtio-blk to use ida to allocate index, instead.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This is a fairly serious bug in RAID10.
When a RAID10 array is degraded and a hot-spare is activated, the
spare does not take up the empty slot, but rather replaces the first
working device.
This is likely to make the array non-functional. It would normally
be possible to recover the data, but that would need care and is not
guaranteed.
This bug was introduced in commit
2bb77736ae5dca0a189829fbb7379d43364a9dac
which first appeared in 3.1.
Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c: Functions for byte-swapped smbus_write/read_word_data
i2c-algo-pca: Return standard fault codes
i2c-algo-bit: Return standard fault codes
i2c-algo-bit: Be verbose on bus testing failure
i2c-algo-bit: Let user test buses without failing
i2c/scx200_acb: Fix section mismatch warning in scx200_pci_drv
i2c: I2C_ELEKTOR should depend on HAS_IOPORT
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* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (33 commits)
iommu/core: Remove global iommu_ops and register_iommu
iommu/msm: Use bus_set_iommu instead of register_iommu
iommu/omap: Use bus_set_iommu instead of register_iommu
iommu/vt-d: Use bus_set_iommu instead of register_iommu
iommu/amd: Use bus_set_iommu instead of register_iommu
iommu/core: Use bus->iommu_ops in the iommu-api
iommu/core: Convert iommu_found to iommu_present
iommu/core: Add bus_type parameter to iommu_domain_alloc
Driver core: Add iommu_ops to bus_type
iommu/core: Define iommu_ops and register_iommu only with CONFIG_IOMMU_API
iommu/amd: Fix wrong shift direction
iommu/omap: always provide iommu debug code
iommu/core: let drivers know if an iommu fault handler isn't installed
iommu/core: export iommu_set_fault_handler()
iommu/omap: Fix build error with !IOMMU_SUPPORT
iommu/omap: Migrate to the generic fault report mechanism
iommu/core: Add fault reporting mechanism
iommu/core: Use PAGE_SIZE instead of hard-coded value
iommu/core: use the existing IS_ALIGNED macro
iommu/msm: ->unmap() should return order of unmapped page
...
Fixup trivial conflicts in drivers/iommu/Makefile: "move omap iommu to
dedicated iommu folder" vs "Rename the DMAR and INTR_REMAP config
options" just happened to touch lines next to each other.
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
amd64_edac: Cleanup return type of amd64_determine_edac_cap()
amd64_edac: Add a fix for Erratum 505
EDAC, MCE, AMD: Simplify NB MCE decoder interface
EDAC, MCE, AMD: Drop local coreid reporting
EDAC, MCE, AMD: Print valid addr when reporting an error
EDAC, MCE, AMD: Print CPU number when reporting the error
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* 'fbdev-next' of git://github.com/schandinat/linux-2.6: (270 commits)
video: platinumfb: Add __devexit_p at necessary place
drivers/video: fsl-diu-fb: merge diu_pool into fsl_diu_data
drivers/video: fsl-diu-fb: merge diu_hw into fsl_diu_data
drivers/video: fsl-diu-fb: only DIU modes 0 and 1 are supported
drivers/video: fsl-diu-fb: remove unused panel operating mode support
drivers/video: fsl-diu-fb: use an enum for the AOI index
drivers/video: fsl-diu-fb: add several new video modes
drivers/video: fsl-diu-fb: remove broken screen blanking support
drivers/video: fsl-diu-fb: move some definitions out of the header file
drivers/video: fsl-diu-fb: fix some ioctls
video: da8xx-fb: Increased resolution configuration of revised LCDC IP
OMAPDSS: picodlp: add missing #include <linux/module.h>
fb: fix au1100fb bitrot.
mx3fb: fix NULL pointer dereference in screen blanking.
video: irq: Remove IRQF_DISABLED
smscufx: change edid data to u8 instead of char
OMAPDSS: DISPC: zorder support for DSS overlays
OMAPDSS: DISPC: VIDEO3 pipeline support
OMAPDSS/OMAP_VOUT: Fix incorrect OMAP3-alpha compatibility setting
video/omap: fix build dependencies
...
Fix up conflicts in:
- drivers/staging/xgifb/XGI_main_26.c
Changes to XGIfb_pan_var()
- drivers/video/omap/{lcd_apollon.c,lcd_ldp.c,lcd_overo.c}
Removed (or in the case of apollon.c, merged into the generic
DSS panel in drivers/video/omap2/displays/panel-generic-dpi.c)
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The tests may erase mtd devices, so annotate them as suggested per
coding style and add a paragraph to the help text as well.
Artem: amended the help test a bit.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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Conflicts:
arch/arm/mach-s3c2416/s3c2416.c
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A kernel panic may occur during sending or receiving network packets
on a machine without adapter interrupts since commit d36deae.
The bug is triggered by writing to the shared indicator address which
is set to 0 if the machine doesn't have adapter interrupts.
Make the reading and setting of the shared indicator dependent on the
adapter interrupt feature and while at it move the code to the
file containing the adapter interrupt related code.
Thanks to Jan Jaeger for tracking this down.
Reported-by: Jan Jaeger <jan.jaeger@westnet.com.au>
Tested-by: Jan Jaeger <jan.jaeger@westnet.com.au>
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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to_kvmdev and dev_to_virtio both use container_of. Avoid to nest the
two macros to quiet the following sparse warning:
drivers/s390/kvm/kvm_virtio.c:337:20: warning: symbol '__mptr' shadows an earlier one
drivers/s390/kvm/kvm_virtio.c:337:20: originally declared here
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Fix two NULL pointer warnings in the dasd driver:
drivers/s390/block/dasd_eckd.c:2353:20: warning: Using plain integer as NULL pointer
drivers/s390/block/dasd_eckd.c:2415:44: warning: Using plain integer as NULL pointer
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add prototypes and includes for functions used in different modules.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Make functions and data static to avoid sparse warnings.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Mark the device as suspended and delay execution of the path
verification worker to prevent mix-up.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The multicast poll check for the outbound queue is redundant since
3d6c76f "[S390] qdio: outbound tasklet scan threshold". Remove the check.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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