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We want to clean up the implicit everywhere presence of module.h
which means files like this that use module infrastructure need
to explicitly call it out for inclusion.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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These guys were getting it implicitly via module.h before,
when module.h was everywhere.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Fix several compile errors on s390 caused by splitting module.h.
Some include additions [e.g. qdio_setup.c, zfcp_qdio.c] are in
anticipation of pending changes queued for s390 that increase
the modular use footprint.
[PG: added additional obvious changes since Heiko's original patch]
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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So that we can clean up the header files and not be relying
on implicit includes from device.h ---> module.h
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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With module.h being implicitly everywhere via device.h, the absence
of explicitly including something for EXPORT_SYMBOL went unnoticed.
Since we are heading to fix things up and clean module.h from the
device.h file, we need to explicitly include these files now.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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These files aren't just exporting symbols -- they are also defining
a MODULE_LICENSE etc. so give them the full module.h file.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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These files were relying on module.h to come in via the path
in an include/acpi header file, but we don't want to have
instances of module.h being included from include/* files
if it can be avoided. Have the files include export.h instead.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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If a file is only exporting symbols and not using the core
modular infrastructure, it can get by with just including
the smaller export.h header, which is a lot smaller than the
module.h header.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Files which aren't actually using infrastructure from module.h
shouldn't include it, as it is a big header with lots of child
includes spawned off.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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These files are using standard module API things like MODULE_AUTHOR
etc. and so should not be relying on an implicit presence of the
module.h header.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Fix up all conflicts between the memory.h cleanup and bug fixes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (54 commits)
[S390] Remove error checking from copy_oldmem_page()
[S390] qdio: prevent dsci access without adapter interrupts
[S390] irqstats: split IPI interrupt accounting
[S390] add missing __tlb_flush_global() for !CONFIG_SMP
[S390] sparse: fix sparse symbol shadow warning
[S390] sparse: fix sparse NULL pointer warnings
[S390] sparse: fix sparse warnings with __user pointers
[S390] sparse: fix sparse warnings in math-emu
[S390] sparse: fix sparse warnings about missing prototypes
[S390] sparse: fix sparse ANSI-C warnings
[S390] sparse: fix sparse static warnings
[S390] sparse: fix access past end of array warnings
[S390] dasd: prevent path verification before resume
[S390] qdio: remove multicast polling
[S390] qdio: reset outbound SBAL error states
[S390] qdio: EQBS retry after CCQ 96
[S390] qdio: add timestamp for last queue scan time
[S390] Introduce get_clock_fast()
[S390] kvm: Handle diagnose 0x10 (release pages)
[S390] take mmap_sem when walking guest page table
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* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (45 commits)
acer-wmi: replaced the hard coded bitmap by the communication devices bitmap from SMBIOS
acer-wmi: check the existence of internal wireless device when set capability
acer-wmi: add ACER_WMID_v2 interface flag to represent new notebooks
sony-laptop:irq: Remove IRQF_DISABLED
asus-laptop: Add rfkill support for Pegatron Lucid tablet
asus-laptop: pega_accel - Report accelerometer orientation change through udev
asus-laptop: fix module description
asus-laptop: hide leds on Pegatron Lucid
asus-laptop: Pegatron Lucid accelerometer
asus-laptop: allow boot time control of Pegatron ALS sensor
Platform: samsung_laptop: add support for X520 machines.
platform: samsung_laptop: add dmi information for Samsung R700 laptops
hp_accel: Add axis-mapping for HP ProBook / EliteBook
hp_accel: Add a new PNP id
WMI: properly cleanup devices to avoid crashes
ideapad: remove sysfs node for cfg
ideapad: add debugfs support
ideapad: add event for Novo key
ideapad: change parameter of ideapad_sync_rfk_state
ideapad: define vpc commands
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Conflicts:
arch/arm/mach-mxs/include/mach/gpio.h
arch/arm/plat-mxc/include/mach/gpio.h
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (348 commits)
[media] pctv452e: Remove bogus code
[media] adv7175: Make use of media bus pixel codes
[media] media: vb2: fix incorrect return value
[media] em28xx: implement VIDIOC_ENUM_FRAMESIZES
[media] cx23885: Stop the risc video fifo before reconfiguring it
[media] cx23885: Avoid incorrect error handling and reporting
[media] cx23885: Avoid stopping the risc engine during buffer timeout
[media] cx23885: Removed a spurious function cx23885_set_scale()
[media] cx23885: v4l2 api compliance, set the audioset field correctly
[media] cx23885: hook the audio selection functions into the main driver
[media] cx23885: add generic functions for dealing with audio input selection
[media] cx23885: fixes related to maximum number of inputs and range checking
[media] cx23885: Initial support for the MPX-885 mini-card
[media] cx25840: Ensure AUDIO6 and AUDIO7 trigger line-in baseband use
[media] cx23885: Enable audio line in support from the back panel
[media] cx23885: Allow the audio mux config to be specified on a per input basis
[media] cx25840: Enable support for non-tuner LR1/LR2 audio inputs
[media] cx23885: Name an internal i2c part and declare a bitfield by name
[media] cx23885: Ensure VBI buffers timeout quickly - bugfix for vbi hangs during streaming
[media] cx23885: remove channel dump diagnostics when a vbi buffer times out
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Fix up trivial conflicts in drivers/misc/altera-stapl/altera.c (header
file rename vs add)
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Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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There's no other Kconfig symbol that depends on XEN_PCIDEV_FE_DEBUG.
Neither is there anything that uses CONFIG_XEN_PCIDEV_FE_DEBUG.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Conflicts:
arch/arm/mach-mxs/include/mach/gpio.h
arch/arm/plat-mxc/include/mach/gpio.h
drivers/video/omap/lcd_apollon.c
drivers/video/omap/lcd_ldp.c
drivers/video/omap/lcd_overo.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits)
vlan: allow nested vlan_do_receive()
ipv6: fix route lookup in addrconf_prefix_rcv()
bonding: eliminate bond_close race conditions
qlcnic: fix beacon and LED test.
qlcnic: Updated License file
qlcnic: updated reset sequence
qlcnic: reset loopback mode if promiscous mode setting fails.
qlcnic: skip IDC ack check in fw reset path.
i825xx: Fix incorrect dependency for BVME6000_NET
ipv6: fix route error binding peer in func icmp6_dst_alloc
ipv6: fix error propagation in ip6_ufo_append_data()
stmmac: update normal descriptor structure (v2)
stmmac: fix NULL pointer dereference in capabilities fixup (v2)
stmmac: fix a bug while checking the HW cap reg (v2)
be2net: Changing MAC Address of a VF was broken.
be2net: Refactored be_cmds.c file.
bnx2x: update driver version to 1.70.30-0
bnx2x: use FW 7.0.29.0
bnx2x: Enable changing speed when port type is PORT_DA
bnx2x: Fix 54618se LED behavior
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* 'for-linus' of git://neil.brown.name/md:
md/raid10: Fix bug when activating a hot-spare.
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Omap cleanups conflicted with omap2_dss work in a nontrivial
way, this is the most logical fixup.
Conflicts:
arch/arm/mach-omap2/board-2430sdp.c
arch/arm/mach-omap2/board-4430sdp.c
arch/arm/mach-omap2/board-apollon.c
arch/arm/mach-omap2/board-h4.c
arch/arm/mach-omap2/board-ldp.c
arch/arm/mach-omap2/board-rx51.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Fix up all conflicts between the memory.h cleanup and bug fixes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This sorts out merge conflicts with the arm/gpio branch that
already got merged into mainline Linux.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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When devices in a RAID array are not in-sync, they are supposed to be
reported as such in the status output as an 'a' character, which means
"alive, but not in-sync". But when the entire array is rebuilt 'A' is
being used, which is incorrect. This patch corrects this to 'a'.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Allow userspace dm log implementations to register their log device so it
is no longer missing from the list of device dependencies.
When device mapper targets use a device they normally call dm_get_device
which includes it in the device list returned to userspace applications
such as LVM through the DM_TABLE_DEPS ioctl. Userspace log devices
don't use dm_get_device as userspace opens them so they are missing from
the list of dependencies.
This patch extends the DM_ULOG_CTR operation to allow userspace to
respond with the name of the log device (if appropriate) to be
registered via 'dm_get_device'. DM_ULOG_REQUEST_VERSION is incremented.
This is backwards compatible. If the kernel and userspace log server
have both been updated, the new information will be passed down to the
kernel and the device will be registered. If the kernel is new, but
the log server is old, the log server will not pass down any device
information and the kernel will simply bypass the device registration
as before. If the kernel is old but the log server is new, the log
server will see the old version number and not pass the device info.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Fix comments: clustered-disk needs a hyphen not an underscore.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Initial EXPERIMENTAL implementation of device-mapper thin provisioning
with snapshot support. The 'thin' target is used to create instances of
the virtual devices that are hosted in the 'thin-pool' target. The
thin-pool target provides data sharing among devices. This sharing is
made possible using the persistent-data library in the previous patch.
The main highlight of this implementation, compared to the previous
implementation of snapshots, is that it allows many virtual devices to
be stored on the same data volume, simplifying administration and
allowing sharing of data between volumes (thus reducing disk usage).
Another big feature is support for arbitrary depth of recursive
snapshots (snapshots of snapshots of snapshots ...). The previous
implementation of snapshots did this by chaining together lookup tables,
and so performance was O(depth). This new implementation uses a single
data structure so we don't get this degradation with depth.
For further information and examples of how to use this, please read
Documentation/device-mapper/thin-provisioning.txt
Signed-off-by: Joe Thornber <thornber@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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The persistent-data library offers a re-usable framework for the storage
and management of on-disk metadata in device-mapper targets.
It's used by the thin-provisioning target in the next patch and in an
upcoming hierarchical storage target.
For further information, please read
Documentation/device-mapper/persistent-data.txt
Signed-off-by: Joe Thornber <thornber@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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The dm-bufio interface allows you to do cached I/O on devices,
holding recently-read blocks in memory and performing delayed writes.
We don't use buffer cache or page cache already present in the kernel, because:
* we need to handle block sizes larger than a page
* we can't allocate memory to perform reads or we'd have deadlocks
Currently, when a cache is required, we limit its size to a fraction of
available memory. Usage can be viewed and changed in
/sys/module/dm_bufio/parameters/ .
The first user is thin provisioning, but more dm users are planned.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Export dm_get_md() for the new thin provisioning target to use.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Introduce DM_TARGET_IMMUTABLE to indicate that the target type cannot be mixed
with any other target type, and once loaded into a device, it cannot be
replaced with a table containing a different type.
The thin provisioning pool device will use this.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Add a target feature flag DM_TARGET_ALWAYS_WRITEABLE to indicate that a target
does not support read-only mode.
The initial implementation of the thin provisioning target uses this.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Introduce the concept of a singleton table which contains exactly one target.
If a target type sets the DM_TARGET_SINGLETON feature bit device-mapper
will ensure that any table that includes that target contains no others.
The thin provisioning pool target uses this.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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This patch introduces dm_kcopyd_zero() to make it easy to use
kcopyd to write zeros into the requested areas instead
instead of copying. It is implemented by passing a NULL
copying source to dm_kcopyd_copy().
The forthcoming thin provisioning target uses this.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Since set_current_state() contains a memory barrier in it,
an additional barrier isn't needed.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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printk_ratelimit() shares global ratelimiting state with all
other subsystems, so its usage is discouraged. Instead,
define and use dm's local state.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Allow QUEUE_FLAG_NONROT to propagate up the device stack if all
underlying devices are non-rotational. Tools like ureadahead will
schedule IOs differently based on the rotational flag.
With this patch, I see boot time go from 7.75 s to 7.46 s on my device.
Suggested-by: J. Richard Barnette <jrbarnette@chromium.org>
Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: Neil Brown <neilb@suse.de>
Cc: Jens Axboe <jaxboe@fusionio.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: dm-devel@redhat.com
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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When loading the usb-configuration we do not signal the end of configuration on
memory allocation error. This patch moves the memory allocation to the top so
every error path uses "goto error" now to correctly send the usb-ctrl message
when detecting some error.
This also replaces GFP_ATOMIC with GFP_KERNEL as we are allowed to sleep here.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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A workqueue is allowed to sleep so we can safely use GFP_KERNEL instead of
GFP_ATOMIC. This is still legacy code when the driver used timer BHs and not a
worqueue.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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When disconnecting a bcm203x device we kill and destroy the usb-urb, however,
there might still be a pending work-structure which resubmits the now invalid
urb. To avoid this race condition, we simply set a shutdown-flag and
synchronously kill the worker first.
This also adds a comment to all schedule_work()s, as it is really not clear
that they are used as replacement for short timers (which can be seen in the git
history).
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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We are allowed to sleep here so no need to use GFP_ATOMIC. The caller
(ath3k_probe) calls request_firmware() which definitely sleeps. Hence, we should
avoid using GFP_ATOMIC.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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Enable the maximum size (128) supported by the device for the shadow
vlans table, ignoring the module parameter that overrides it. This
table is only used by the IBoE control plane for setting a vlan index
into an RC/UC QP context or UD Address Handle.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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There's no need to set the vlan-related fields in an IBoE send WQE
control segment:
- the vlan to be used by a UD QP is set in the datagram segment.
- for GSI (CM) QP, all the headers down to 8021q and MAC are built by
the software anyway.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The IBoE port MTU is derived from the corresponding Ethernet netdevice
MTU, which can support jumbo frames of 9K, and hence surely supports
the max IB mtu of 4K.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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QPs need to be moved to error before telling the firwmare to shutdown
the queue. Otherwise, the application can submit WRs that will never
get fetched by the hardware and never flushed by the driver.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Acked-by: Steve Wise <swsie@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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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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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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