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2011-10-31openrisc: drop unused Kconfig symbolsPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31arm: at91: drop unused Kconfig symbolPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31samples: drop unused Kconfig symbolPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31m32r: drop unused Kconfig symbolPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31score: drop unused Kconfig symbolsPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31sh: drop unused Kconfig symbolPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Tested-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31um: drop unused Kconfig symbolPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Richard Weinberger <richard@nod.at> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31sparc: drop unused Kconfig symbolPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31alpha: drop unused Kconfig symbolPaul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Reviewed-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-10-31Merge branch 'next/fixes' into next/cleanupArnd Bergmann
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
2011-10-31Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
* 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 ...
2011-10-31Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: Fix masking and shifting in VIS fpcmp emulation. sparc32: Correct the return value of memcpy. sparc32: Remove uses of %g7 in memcpy implementation. sparc32: Remove non-kernel code from memcpy implementation.
2011-10-31ext4: remove comments about extent mount option in ext4_new_inode()Eryu Guan
Remove comments about 'extent' mount option in ext4_new_inode(), since it's no longer exists. Signed-off-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-10-31Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds
* 'for-linus' of git://neil.brown.name/md: md/raid10: Fix bug when activating a hot-spare.
2011-10-31Merge branch 'depends/omap2_dss' into next/cleanupArnd Bergmann
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>
2011-10-31Merge branch 'depends/rmk/memory_h' into next/fixesArnd Bergmann
Fix up all conflicts between the memory.h cleanup and bug fixes. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-10-31ext4: let ext4_discard_partial_buffers handle unaligned range correctlyYongqiang Yang
As comment says, we should handle unaligned range rather than aligned one. This fixes a bug found by running xfstests #91. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
2011-10-31ext4: return ENOMEM if find_or_create_pages failsYongqiang Yang
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-10-31ext4: move vars to local scope in ext4_discard_partial_page_buffers_no_lock()Yongqiang Yang
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-10-31Merge branch 'depends/rmk/gpio' into next/fixesArnd Bergmann
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>
2011-10-31ext4: Create helper function for EXT4_IO_END_UNWRITTEN and i_aiodio_unwrittenTao Ma
EXT4_IO_END_UNWRITTEN flag set and the increase of i_aiodio_unwritten should be done simultaneously since ext4_end_io_nolock always clear the flag and decrease the counter in the same time. We have found some bugs that the flag is set while leaving i_aiodio_unwritten unchanged(commit 32c80b32c053d). So this patch just tries to create a helper function to wrap them to avoid any future bug. The idea is inspired by Eric. Cc: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Tao Ma <boyu.mt@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-10-31dm: raid fix device status indicator when array initializingJonathan E Brassow
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>
2011-10-31dm log userspace: add log device dependencyJonathan E Brassow
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>
2011-10-31dm log userspace: fix comment hyphensJonathan Brassow
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>
2011-10-31dm: add thin provisioning targetJoe Thornber
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>
2011-10-31dm: add persistent data libraryJoe Thornber
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>
2011-10-31dm: add bufioMikulas Patocka
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>
2011-10-31dm: export dm get mdAlasdair G Kergon
Export dm_get_md() for the new thin provisioning target to use. Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2011-10-31dm table: add immutable featureAlasdair G Kergon
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>
2011-10-31dm table: add always writeable featureAlasdair G Kergon
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>
2011-10-31dm table: add singleton featureAlasdair G Kergon
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>
2011-10-31dm kcopyd: add dm_kcopyd_zero to zero an areaMikulas Patocka
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>
2011-10-31dm: remove superfluous smp_mbNamhyung Kim
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>
2011-10-31dm: use local printk ratelimitNamhyung Kim
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>
2011-10-31dm table: propagate non rotational flagMandeep Singh Baines
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>
2011-10-31Bluetooth: bfusb: Fix error path on firmware loadDavid Herrmann
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>
2011-10-31Bluetooth: bcm203x: Use GFP_KERNEL in workqueueDavid Herrmann
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>
2011-10-31Bluetooth: bcm203x: Fix race condition on disconnectDavid Herrmann
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>
2011-10-31Bluetooth: ath3k: Use GFP_KERNEL instead of GFP_ATOMICDavid Herrmann
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>
2011-10-31Bluetooth: Set HCI_MGMT flag only in read_controller_infoJohan Hedberg
The HCI_MGMT flag should only be set when user space requests the full controller information. This way we avoid potential issues with setting change events ariving before the actual read_controller_info command finishes. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-10-31Bluetooth: Increase HCI reset timeout in hci_dev_do_closeSzymon Janc
I've noticed that my CSR usb dongle was not working if it was plugged in when PC was booting. It looks like I get two HCI reset command complete events (see hcidump logs below). The root cause is reset called from off_timer. Timeout for this reset to complete is set to 250ms and my bt dongle requires more time for replying with command complete event. After that, chip seems to reply with reset command complete event for next non-reset command. Attached patch increase mentioned timeout to HCI_INIT_TIMEOUT, this value is already used for timeouting hci_reset_req in hci_dev_reset(). This might also be related to BT not working after suspend that was reported here some time ago. Hcidump log: 2011-09-12 23:13:27.379465 < HCI Command: Reset (0x03|0x0003) plen 0 2011-09-12 23:13:27.380797 > HCI Event: Command Complete (0x0e) plen 4 Reset (0x03|0x0003) ncmd 1 status 0x00 2011-09-12 23:13:27.380859 < HCI Command: Read Local Supported Features (0x04|0x000 3) plen 0 2011-09-12 23:13:27.760789 > HCI Event: Command Complete (0x0e) plen 4 Reset (0x03|0x0003) ncmd 1 status 0x00 2011-09-12 23:13:27.760831 < HCI Command: Read Local Version Information (0x04|0x00 01) plen 0 2011-09-12 23:13:27.764780 > HCI Event: Command Complete (0x0e) plen 12 Read Local Version Information (0x04|0x0001) ncmd 1 status 0x00 HCI Version: 1.1 (0x1) HCI Revision: 0x36f LMP Version: 1.1 (0x1) LMP Subversion: 0x36f Manufacturer: Cambridge Silicon Radio (10) Signed-off-by: Szymon Janc <szymon@janc.net.pl> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-10-31ASoC: Fix return value of wm5100_gpio_direction_out()Mark Brown
We can't just pass back the return value of snd_soc_update_bits() as it will be 1 if a bit changed rather than zero. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-10-31mlx4_core: Deprecate log_num_vlan module paramOr Gerlitz
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>
2011-10-31IB/mlx4: Don't set VLAN in IBoE WQEs' control segmentOr Gerlitz
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>
2011-10-31IB/mlx4: Enable 4K mtu for IBoEOr Gerlitz
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>
2011-10-31RDMA/cxgb4: Mark QP in error before disabling the queue in firmwareTom Tucker
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>
2011-10-31RDMA/cxgb4: Serialize calls to CQ's comp_handlerKumar Sanghvi
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>
2011-10-31RDMA/cxgb3: Serialize calls to CQ's comp_handlerKumar Sanghvi
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>
2011-10-31IB/qib: Fix issue with link states and QSFP cablesMitko Haralanov
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>
2011-10-31x86, MCE: Use notifier chain only for MCE decodingBorislav Petkov
Drop the edac_mce custom hook in favor of the generic notifier mechanism. Also, do not log the error to mcelog if the notified agent was able to decode it. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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