Merge commit 'v3.4-rc2' into linux-next

Merge commit 'v3.4-rc2' into linux-next

* commit 'v3.4-rc2': (3021 commits)
  Linux 3.4-rc2
  tcm_fc: Do not free tpg structure during wq allocation failure
  tcm_fc: Add abort flag for gracefully handling exchange timeout
  MAINTAINERS: Update git url for ACPI
  Make the "word-at-a-time" helper functions more commonly usable
  cpuidle: Fix panic in CPU off-lining with no idle driver
  xen/pcifront: avoid pci_frontend_enable_msix() falsely returning success
  xen/pciback: fix XEN_PCI_OP_enable_msix result
  xen/smp: Remove unnecessary call to smp_processor_id()
  xen/x86: Workaround 'x86/ioapic: Add register level checks to detect bogus io-apic entries'
  xen: only check xen_platform_pci_unplug if hvm
  net: fix a race in sock_queue_err_skb()
  netlink: fix races after skb queueing
  doc, net: Update ndo_start_xmit return type and values
  doc, net: Remove instruction to set net_device::trans_start
  doc, net: Update netdev operation names
  doc, net: Update documentation of synchronisation for TX multiqueue
  doc, net: Remove obsolete reference to dev->poll
  ethtool: Remove exception to the requirement of holding RTNL lock
  blackfin: update defconfig for bf527-ezkit
  ...