into penguin.transmeta.com:/home/penguin/torvalds/repositories/kernel/linux

Fix oops in getdfs when null path passed in on mount.  Fix oops when changed readsize caused readpages problem.  Add support for altering rsize so can reduce pages read across net
below default of 4

This fixes the SMP runqueue locking bug when updating the wakers
priority.  It also includes:

 - only update the priority and do a requeueing if the sleep average has
   changed. (this does not happen for pure CPU hogs or pure interactive
   tasks, so no need to requeue/recalc-prio in that case.) [All the
   necessary values are available at that point already, so gcc should
   have an easy job making this branch really cheap.]

 - do not do a full task activation in the migration-thread path - that is
   supposed to be near-atomic anyway.

 - fix up comments

I solved the SMP locking bug by moving the requeueing outside of
try_to_wake_up().  It does not matter that the priority update is not
atomically done now, since the current process wont do anything
inbetween.  (well, it could get preempted in a preemptible kernel, but
even that wont do any harm.)

The following messages are of interest only when debugging aio.
Otherwise, they are just console clutter.

- Remove broken lock accounting
- Introduce __locks_delete_block()
- Stop using kdevname()
- Fix locks_remove_posix()

 - fix a (now-) bug in kernel/softirq.c, it did a wakeup outside any
   atomic regions, which falsely identified random processes as a
   non-atomic wakeup, and which causes random priority boost to be
   distributed.

 - reset the initial idle thread's priority back to PRIO_MAX after doing
   the wakeup_forked_process() - correct preemption relies on this.

 - update current->prio immediately after a backboost.

 - clean up effective_prio() & sleep_avg calculations so that there are
   fewer RT-task special cases.  This has the advantage of the sleep_avg
   being maintained even for RT tasks - this could be advantegous for
   tasks that briefly enter/exit RT mode.

Seems there is a memleak on error exit path in drivers/char/vt.c, here's
the patch.  Found with help of smatch + enhanced unfree script.

__activate_task() and wake_up_forked_process() should call
nr_running_inc(rq) rather than doing a rq->nr_running++.

Noted by Rick Lindsley

The console initcall patch that went in contains a typo that prevents
alpha from building.

The stack reducing patch that recently went in prevent alpha from
building (missing some ELF_CORE_COPY_XFPREGS ifdefs). The excluded
patch fixes it.

This one simply sets TARGET_CPUS to cpu_callout_map instead of
cpu_online_map so that when we finally do boot we actually use the other
cpus for servicing interrupts.

This change was wrong. pfn_to_nid is a macro.

NODE_THRESHOLD got accidentally dropped in the interactive scheduler
changes merge. This puts it back.

Apple PowerBooks want <asm/prom.h> in ohci-pci.c for the prototype of
pci_device_to_OF_node().  This patch adds it to the already present
list of PowerBook specific #includes:

This squashes (gcc-3.2) "label and end of compound statement
deprecated" warnings in usb-serial.c.

into home.transmeta.com:/home/torvalds/v2.5/linux

into home.transmeta.com:/home/torvalds/v2.5/linux

into osdl.org:/home/mochel/src/kernel/devel/linux-2.5-core

Make CONFIG_SYSCTL control sys32_sysctl as well.  Based on a patch from Peter Chubb.

From Rusty Lynch:

* makes sysfs cleanup the buffer->data allocated by the attribute write
functions
* fixes a bug that causes the kernel to oops when somebody attempts to
write to the file.

This patch was previously integrated, but dropped erroneously by a bk 
merge. 

This fixes file cleanup during a sysfs directory removal by deleting files
from ->d_subdirs as they're iterated over, then checking if we can get a
reference on them.

Andy Grover told me this should be posted here.  It allows ACPI to
compile even with PCI turned off.  Patch against 2.5.60.

ia 64 part of the patch.  This gives you a 32 bit version of sys_futex (hopefully).

concurrent renames in another directory.

I doubt this can be triggered in practice, and the fix is
a bit heavy-handed, but let's see if numbers can show that
the simple fix doesn't show any real lock contention.

list.h must now include stddef since it uses NULL.

This is the "boot sector removal" patch for i386 updated for Linux
2.5.63-bk7.  The only change against the 2.5.59 version is that the
FDOPTS Makefile variable, which lets one create a floppy image with
arbitrary kernel options, has been merged from the x86-64 version, and
the comments have been updated.

The patch removes the in-kernel boot sector, which these days rarely
work correctly (it only supports up to 1 MB kernels, and only work on
legacy floppies -- not on IDE or USB devices, nor on any kind of
emulated devices like El Torito), replaces it with a placeholder stub,
and sets up the Makefile targets to create floppies or floppy images
using SYSLINUX.  The FDOPTS Makefile variable can be used to set
kernel command line options (thanks to a suggestion by Andi Kleen.)

Note that the same change has already been applied to the x86-64
architecture.  The last hunk of the patch corrects a comment in that
architecture.

  Now we tackle pci_add_new_bus and pci_scan_bridge.  The hotplug code
  currently uses this, but I'd like it to die off; pci_scan_bridge()
  should be used to scan behind bridges.  This may mean hotplug needs
  some changes to pci_scan_bridge - if so, we need to find out what
  changes are required and fix it.

  pci_alloc_child_bus() does what pci_add_new_bus() did, except it
  doesn't attach the new bus to the parents list of child buses.  The
  only way this bus can be reached from the parent bus is by scanning
  the parents devices list, and locating a device with a non-NULL
  subordinate bus.  The only code which should be doing this is the
  PCI code.

  Since the new bus will have an empty list head for bus->node, we can
  detect unattached buses prety easily.  (see pci-3.diff.)

  pci_scan_bridge() changes slightly - we use our new pci_scan_child_bus()
  function from pci-3.diff, which doesn't attach devices to the global
  tree.  This means callers of pci_scan_child_bus() and pci_scan_bridge()
  (ie, hotplug) will need to call pci_bus_add_devices().

- Convert setup-bus.c resource allocation to scan bus->devices rather
  than bus->children.  As noted previously, newly discovered child
  buses will not be on the parents list of children buses, so when
  we're trying to assign resources, we need to scan the bus for
  devices with subordinate buses rather than using the list of children
  buses.

  The pci_find* functions search using the following lists:
        bus->children   (for subordinate buses)
        pci_root_buses  (for all root buses)
        pci_devices     (for devices)

  This leaves one list which we can add devices to without any drivers
  finding the new devices before we've finished with them.

- initialise bus->node list head.

- pci_scan_slot will scan the specified slot, and add the discovered
  devices to the bus->devices list only.  These devices will not
  appear on the global device list, and do not show in sysfs, procfs.
  pci_scan_slot returns the number of functions found.  If you want
  to find the devices, you have to scan bus->devices and look for
  devices where list_empty(&dev->global_list) is true.

- new function "pci_bus_add_devices" adds newly discovered devices
  to the global device lists, and handles the sysfs and procfs
  stuff, making the devices available to drivers.  All our buses
  which have an empty list head are treated as "new" (since they
  are not attached to the parent buses list of children) and are
  also added.  Currently, no buses will be in this state when this
  function is called.

- new function "pci_scan_child_bus" scans a complete bus, building
  a list of devices on bus->devices only, performing bus fixups
  via pcibios_fixup_bus() and scanning behind bridges.  It does
  make devices externally visible.

- pci_do_scan_bus retains its original behaviour - ie, it scans
  and makes devices available immediately.

- Eliminate the stack allocation of a struct pci_dev, and make
  pci_scan_slot() take a bus and a devfn argument.
- Add "dev->multifunction" to indicate whether this is a multifunction
  device.
- Run header fixups before inserting the new pci device into any
  device lists or announcing it to the drivers.
- Convert some more stuff to use the list_for_each* macro(s).

- Separate out bus resource allocator (pci_bus_alloc_resource)
- Provide pci_enable_bridges to setup command register for all
  pci bridges.

into home.transmeta.com:/home/torvalds/v2.5/linux

The outbsync one has further changes to come in the next batch to sort
out some platforms like PPC