Kernel 2.6 based: April 2004 stream

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linux-2.6.5-s390-base-april2004.tar.gz / MD5 ... accumulated patch, recommended (2004-04-16)

linux-2.6.5-s390-base-april2004-patches.tar.gz / MD5 ... per-problem-patches, recommended (2004-04-16)

This patch contains the initial S/390 and zSeries patches for the kernel v2.6.5.

s390 core changes:

• Add NULL pointer check to pte_alloc_one.
• Remove rule to generate kernel listing.
• Add code to generate kerntypes for use with the lkcd utils.
• Fix _raw_spin_trylock for 64 bit.
• Add clarification to s390 debug debug documentation.

Common i/o layer changes:

• Avoid de-registering a ccwgroup device multiple times.
• Remove check for channel path objects in get_subchannel_by_schid.
  Channel patch objects are never in the bus list.
• Avoid NULL pointer deref. in qdio_unmark_q.
• Fix reference counting on subchannel objects.
• Add shutdown function to terminate I/O and disable subchannels at re-ipl.
• Remove all ccwgroup devices if the ccwgroup driver is unregistered.

Tape driver changes:

• Add missing break in tape_34xx_work_handler to avoid misleading message.
• Cleanup offline/remove code.

Dasd driver changes:

• Fix check for device type in error recovery for FBA devices.

Network driver changes:

• ctc: move kfree of driver structure after the last use of it.
• netiucv: stay in state startwait if peer is down.
• lcs: initialize ipm_list and unregister netdev only if it is present.

DCSS block device driver changes:

• Fix remove_store function, put_device is called too early.

zfcp host adapter device driver fixes:

• Reuse freed scsi_ids and scsi_luns for mappings.
• Order list of ports/units by assigned scsi_id/scsi_lun.
• Don't update max_id/max_lun in scsi_host anymore.
• Get rid of all magics.
• Add owner field to ccw_driver structure.
• Replace release function for device structures by kfree. Move struct device to the start of struct zfcp_port/zfcp_unit to make it work.
• Avoid deadlock on bus->subsys.rwsem.
• Use a macro for all scsi device sysfs attributes.
• Change proc_name from "dummy" to "zfcp".
• Don't wait for scsi_add_device to complete while holding a semaphore.
• Cleanup include files in zfcp_aux.c & zfcp_def.h.
• Get rid of zfcp_erp_fsf_req_handler.
• Proper link up/down handling.
• Avoid possible NULL pointer dereference in zfcp_erp_schedule_work.
• Shorten log output.
• Increase log level for some messages.
• Always print leading zeroes for wwpn and fcp-lun.

IPv6 changes:

• Add generate_eui64 callback to struct net_device to create unique ids for shared network cards.
• Delete route objects related to netdevices on NETDEV_DOWN and NETDEV_UNREGISTER events

Rewrites and new features:

• The rewritten qeth network driver.
• The crypto device driver for PCICA, PCICC & PCIXCC cards.
• The On-demand timer patch for 2.6.

Everybody should apply this patch.

To create the complete linux kernel sources, the following patches need to be applied in sequence:

linux-2.6.5.tar.gz (see www.kernel.org/pub/linux/kernel/v2.6)
+ linux-2.6.5-s390-base-april2004.diff (IBM)