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2011-07-19bnx2x: stop tx before CNIC_STOPVladislav Zolotarov
It may take some time to cnic to respond, this prevents tx_timeout when it happens. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-19bnx2x: add missing command in error handling flowDmitry Kravkov
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-19bnx2x: use correct dma_sync functionVladislav Zolotarov
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-19r8169: fix sticky accepts packet bits in RxConfig.Francois Romieu
e542a2269f232d61270ceddd42b73a4348dee2bb (r8169: adjust the RxConfig settings) broke the return from promiscuous mode to physical address match mode. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Signed-off-by: Hayes Wang <hayeswang@realtek.com>
2011-07-19vhost: optimize interrupt enable/disableMichael S. Tsirkin
As we now only update used ring after enabling the backend, we can write flags with __put_user: as that's done on data path, it matters. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-19vhost: fix zcopy reference countingMichael S. Tsirkin
Fix get/put refcount imbalance with zero copy, which caused qemu to hang forever on guest driver unload. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-19vhost: set log when updating used flags or avail eventJason Wang
We need to log writes when updating used flags and avail event fields. Otherwise the guest may see a stale value after migration and miss notifying the host. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-19vhost: init used ring after backend was setJason Wang
Move the used ring initialization after backend was set. This makes it possible to disable the backend and tweak the used ring, then restart. This will also make it possible to log the used ring write correctly. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-19netfilter: nfnetlink_queue: batch verdict supportFlorian Westphal
Introduces a new nfnetlink type that applies a given verdict to all queued packets with an id <= the id in the verdict message. If a mark is provided it is applied to all matched packets. This reduces the number of verdicts that have to be sent. Applications that make use of this feature need to maintain a timeout to send a batchverdict periodically to avoid starvation. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-07-19netfilter: nfnetlink_queue: assert monotonic packet idsEric Dumazet
Packet identifier is currently setup in nfqnl_build_packet_message(), using one atomic_inc_return(). Problem is that since several cpus might concurrently call nfqnl_enqueue_packet() for the same queue, we can deliver packets to consumer in non monotonic way (packet N+1 being delivered after packet N) This patch moves the packet id setup from nfqnl_build_packet_message() to nfqnl_enqueue_packet() to guarantee correct delivery order. This also removes one atomic operation. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Florian Westphal <fw@strlen.de> CC: Pablo Neira Ayuso <pablo@netfilter.org> CC: Eric Leblond <eric@regit.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-07-19davinci: DM365 EVM: fix video input mux bitsJon Povey
Video input mux settings for tvp7002 and imager inputs were swapped. Comment was correct. Tested on EVM with tvp7002 input. Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk> Acked-by: Manjunath Hadli <manjunath.hadli@ti.com> Cc: stable@kernel.org Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2011-07-19ALSA: hda - Add documentation for codec-specific mixer controlsTakashi Iwai
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-07-19ARM: davinci: Check for NULL return from irq_alloc_generic_chipTodd Poynor
Avoid NULL dereference of irq_alloc_generic_chip return in low memory conditions. Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2011-07-18RDMA/cxgb4: Use printk_ratelimited() instead of printk_ratelimit()Manuel Zerpies
Since printk_ratelimit() shouldn't be used anymore (see comment in include/linux/printk.h), replace it with printk_ratelimited(). Signed-off-by: Manuel Zerpies <manuel.f.zerpies@ww.stud.uni-erlangen.de> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18IB/mlx4: Support PMA counters for IBoEOr Gerlitz
Use the per port counter attached to all QPs created on that port to implement port level packets/bytes performance counters a la IB. Derived from a patch by Eli Cohen <eli@mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18IB/mlx4: Use flow counters on IBoE portsOr Gerlitz
Allocate flow counter per Ethernet/IBoE port, and attach this counter to all the QPs created on that port. Based on patch by Eli Cohen <eli@mellanox.co.il>. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18IB/pma: Add include file for IBA performance counters definitionsOr Gerlitz
Move the various definitions and mad structures needed for software implementation of IBA PM agent from the ipath and qib drivers into a single include file, which in turn could be used by more consumers. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18mlx4_core: Add network flow countersOr Gerlitz
ConnectX devices support a set of flow counters that can be attached to a set containing one or more QPs. Each such counter tracks receive and transmit packets and bytes of these QPs. This patch queries the device to check support for counters, handles initialization of the HCA to enable counters, and initializes a bitmap allocator to control counter allocations. Derived from patch by Eli Cohen <eli@mellanox.co.il>. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18mlx4_core: Fix location of counter index in QP context structOr Gerlitz
Fix the address handle portion of the QP context structure to have the correct bit location for the counter index field. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18mlx4_core: Read extended capabilities into the flags fieldOr Gerlitz
Query another dword containing up to 32 extended device capabilities and merge it into struct mlx4_caps.flags. Update the code that handles the current extended device capabilities (e.g UDP RSS, WoL, vep steering, etc) to use the extended device cap flags field instead of a field per extended capability. Initial patch done by Eli Cohen <eli@mellanox.co.il>. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18mlx4_core: Extend capability flags to 64 bitsOr Gerlitz
The latest firmware adds a second dword containing more device flags, so extend the device capabilities flags field from 32 to 64 bits. Derived from patch by Eli Cohen <eli@mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18IB/mlx4: Generate GID change events in IBoE codeOr Gerlitz
IBoE doesn't use LIDs. Use the GID change event to update the IB core cache for addition/deletion of GIDs. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18IB/core: Add GID change eventOr Gerlitz
Add IB GID change event type. This is needed for IBoE when the HW driver updates the GID (e.g when new VLANs are added/deleted) table and the change should be reflected to the IB core cache. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18RDMA/cma: Don't allow IPoIB port space for IBoEMoni Shoua
This patch fixes a kernel crash in cma_set_qkey(). When the link layer is Ethernet, it is wrong to use IPoIB port space since no IPoIB interface is available. Specifically, setting the Q_Key when port space is RDMA_PS_IPOIB requires MGID calculation and an SA query, which doesn't make sense over Ethernet. Signed-off-by: Moni Shoua <monis@mellanox.co.il> Acked-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18RDMA: Allow for NULL .modify_device() and .modify_port() methodsBart Van Assche
These methods don't make sense for iWARP devices, so rather than forcing them to implement stubs, just return -ENOSYS in the core if the hardware driver doesn't set .modify_device and/or .modify_port. Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18xen/trace: use class for multicall traceJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: convert mmu events to use DECLARE_EVENT_CLASS()/DEFINE_EVENT()Jeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/multicall: move *idx fields to start of mc_bufferJeremy Fitzhardinge
The CPU would prefer small offsets. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/multicall: special-case singleton hypercallsJeremy Fitzhardinge
Singleton calls seem to end up being pretty common, so just directly call the hypercall rather than going via multicall. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/multicalls: add unlikely around slowpath in __xen_mc_entry()Jeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/multicalls: disable MC_DEBUGJeremy Fitzhardinge
It's useful - and probably should be a config - but its very heavyweight, especially with the tracing stuff to help sort out problems. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/mmu: tune pgtable alloc/releaseJeremy Fitzhardinge
Make sure the fastpath code is inlined. Batch the page permission change and the pin/unpin, and make sure that it can be batched with any adjacent set_pte/pmd/etc operations. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/mmu: use extend_args for more mmuext updatesJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add tlb flush tracepointsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add segment desc tracingJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add xen_pgd_(un)pin tracepointsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add ptpage alloc/release tracepointsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add mmu tracepointsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add multicall tracingJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: set up tracepoint skeletonJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/multicalls: remove debugfs statsJeremy Fitzhardinge
Remove debugfs stats to make way for tracing. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18trace/xen: add skeleton for Xen trace eventsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18dt: include linux/errno.h in linux/of_address.hGrant Likely
of_address.h makes reference to some of the error code #defines, so it needs to include errno.h. If CONFIG_PCI is not selected, then some files will fail to compile. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-18of/address: Add of_find_matching_node_by_address helperGrant Likely
of_find_matching_node_by_address() can be used to find a device tree node for a device at a specific address. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-18drm/i915: Fix unfenced alignment on pre-G33 hardwareChris Wilson
Align unfenced buffers on older hardware to the power-of-two object size. The docs suggest that it should be possible to align only to a power-of-two tile height, but using the already computed fence size is easier and always correct. We also have to make sure that we unbind misaligned buffers upon tiling changes. In order to prevent a repetition of this bug, we change the interface to the alignment computation routines to force the caller to provide the requested alignment and size of the GTT binding rather than assume the current values on the object. Reported-and-tested-by: Sitosfe Wheeler <sitsofe@yahoo.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36326 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Keith Packard <keithp@keithp.com>
2011-07-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: pppoe: Must flush connections when MAC address changes too. include/linux/sdla.h: remove the prototype of sdla() tulip: dmfe: Remove old log spamming pr_debugs
2011-07-18connector: add an event for monitoring process tracersVladimir Zapolskiy
This change adds a procfs connector event, which is emitted on every successful process tracer attach or detach. If some process connects to other one, kernelspace connector reports process id and thread group id of both these involved processes. On disconnection null process id is returned. Such an event allows to create a simple automated userspace mechanism to be aware about processes connecting to others, therefore predefined process policies can be applied to them if needed. Note, a detach signal is emitted only in case, if a tracer process explicitly executes PTRACE_DETACH request. In other cases like tracee or tracer exit detach event from proc connector is not reported. Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Oleg Nesterov <oleg@redhat.com>
2011-07-18x86, vdso: Drop now wrong commentBorislav Petkov
Now that 1b3f2a72bbcfdf92e368a44448c45eb639b05b5e is in, it is very important that the below lying comment be removed! :-) Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/20110718191054.GA18359@liondog.tnic Acked-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-07-18IB/qib: Update active link widthMitko Haralanov
Update the active link width on QLE7220 chips when link goes down if chip width does not match shadowed width. 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>
2011-07-18IB/qib: Fix potential deadlock with link down interruptRam Vepa
There is a possibility of a deadlock due to the way locks are acquired and released in qib_set_uevent_bits(). The function qib_set_uevent_bits() is called in process context and it uses spin_lock() and spin_unlock(). This same lock is acquired/released in interrupt context which can lead to a deadlock when running on the same cpu. The fix is to replace spin_lock() and spin_unlock() with spin_lock_irqsave() and spin_unlock_irqrestore() respectively in qib_set_uevent_bits(). Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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