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2007-02-14[PATCH] remove many unneeded #includes of sched.hTim Schmielau
After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-12Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] remove __io_virt and mmiowb. [S390] cio: use ARRAY_SIZE in device_id.c [S390] cio: Fixup interface for setting options on ccw devices. [S390] smp_call_function/smp_call_function_on locking.
2007-02-12[PATCH] mark struct file_operations const 9Arjan van de Ven
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-12[PATCH] mark struct file_operations const 5Arjan van de Ven
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-12[S390] cio: use ARRAY_SIZE in device_id.cAhmed S. Darwish
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-12[S390] cio: Fixup interface for setting options on ccw devices.Cornelia Huck
The current ccw_device_set_options() sets a specified mask of options and clears those not specified, but there is no way to find out which options have already been set. In order to fix this up, introduce the following interface changes: ccw_device_set_options() now only sets the specified bits, but does not clear those that are not specified. ccw_device_clear_options() clears the specified bits. ccw_device_set_options_mask() provides the old semantics (setting only the specified bits and clearing the others). Device drivers now work as expected. qdio has been adapted. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-11Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (97 commits) [SCSI] zfcp: removed wrong comment [SCSI] zfcp: use of uninitialized variable [SCSI] zfcp: Invalid locking order [SCSI] aic79xx: use dma_get_required_mask() [SCSI] aic79xx: fix bracket mismatch in unused macro [SCSI] BusLogic: Replace 'boolean' by 'bool' [SCSI] advansys: clean up warnings [SCSI] 53c7xx: brackets fix in uncompiled code [SCSI] nsp_cs: remove old scsi code [SCSI] aic79xx: make ahd_match_scb() static [SCSI] DAC960: kmalloc->kzalloc/Casting cleanups [SCSI] scsi_kmap_atomic_sg(): check that local irqs are disabled [SCSI] Buslogic: local_irq_disable() is redundant after local_irq_save() [SCSI] aic94xx: update for v28 firmware [SCSI] scsi_error: Fix lost EH commands [SCSI] aic94xx: Add default bus reset handler [SCSI] aic94xx: Remove TMF result code munging [SCSI] libsas: Add an LU reset mechanism to the error handler [SCSI] libsas: Don't BUG when connecting two expanders via wide port [SCSI] st: fix Tape dies if wrong block size used, bug 7919 ...
2007-02-11[PATCH] Replace regular code with appropriate calls to container_of()Robert P. J. Day
Replace a small number of expressions with a call to the "container_of()" macro. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Acked-by: Paul Mackerras <paulus@samba.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: James Morris <jmorris@namei.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-11[PATCH] proc: remove useless (and buggy) ->nlink settingsAlexey Dobriyan
Bug: pnx8550 code creates directory but resets ->nlink to 1. create_proc_entry() et al will correctly set ->nlink for you. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Corey Minyard <minyard@acm.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Greg KH <greg@kroah.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-10Merge branch 'linus'James Bottomley
Conflicts: drivers/scsi/ipr.c Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2007-02-10[SCSI] zfcp: removed wrong commentSwen Schillig
commit 07a105136f07f0cf1b476383e43033b8a65e13ff Author: Swen Schillig <swen@vnet.ibm.com> Date: Fri Feb 9 09:58:09 2007 +0100 removed wrong comment Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2007-02-10[SCSI] zfcp: use of uninitialized variableSwen Schillig
commit 988d955c3314336d716a9208f3d565b06f262e07 Author: Swen Schillig <swen@vnet.ibm.com> Date: Fri Feb 9 09:40:11 2007 +0100 Use of uninitialized variable. ERP action might not be finished accordingly. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2007-02-10[SCSI] zfcp: Invalid locking orderSwen Schillig
Invalid locking order. Kernel hangs after trying to take two locks which are dependend on each other. Introducing temporary variable to free requests. Free lock after requests are copied. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2007-02-08[S390]: Adapt special message interface to new IUCV APIMartin Schwidefsky
Adapt special message interface to new IUCV API Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-08[S390]: Adapt netiucv driver to new IUCV APIMartin Schwidefsky
Adapt netiucv network device driver to new IUCV API Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-08[S390]: Adapt vmlogrdr driver to new IUCV APIMartin Schwidefsky
Adapt vmlogrdr character device driver to new IUCV API Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-08[S390]: Adapt monreader driver to new IUCV APIMartin Schwidefsky
Adapt monreader character device driver to new IUCV API Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-08[S390]: Rewrite of the IUCV base code, part 1Martin Schwidefsky
Remove the old IUCV code from drivers/s390/net Remove approprirate IUCV entries from drivers/s390/net/Makefile, drivers/s390/net/Kconfig and arch/s390/defconfig Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-05[S390] Avoid excessive inlining.Heiko Carstens
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Convert memory detection into C code.Heiko Carstens
Hopefully this will make it more maintainable and less error prone. Code makes use of search_exception_tables(). Since it calls this function before the kernel exeception table is sorted, there is an early call to sort_main_extable(). This way it's easy to use the already present infrastructure of fixup sections. Also this would allows to easily convert the rest of head[31|64].S into C code. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Calibrate delay and bogomips.Martin Schwidefsky
Preset the bogomips number to the cpu capacity value reported by store system information in SYSIB 1.2.2. This value is constant for a particular machine model and can be used to determine relative performance differences between machines. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Add crypto support for 3592 tape devicesMichael Holzheu
3592 tape devices are able to write data encrpyted on tape mediums. This z/Linux device driver support includes the following functions: * ioctl to switch on/off encryption * ioctl to query encryption status of drive * ioctls to set and query key encrypting keys (kekls) * long busy interrupt handling Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] ETR support.Martin Schwidefsky
This patch adds support for clock synchronization to an external time reference (ETR). The external time reference sends an oscillator signal and a synchronization signal every 2^20 microseconds to keep the TOD clocks of all connected servers in sync. For availability two ETR units can be connected to a machine. If the clock deviates for more than the sync-check tolerance all cpus get a machine check that indicates that the clock is out of sync. For the lovely details how to get the clock back in sync see the code below. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] cio: Don't spam debug feature.Cornelia Huck
Lower priority of "Blacklisted device detected" messages so we don't overwrite more useful messages. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Cleanup of CHSC event handling.Peter Oberparleiter
Change CHSC event handling to be more easily extensible. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] cio: declare hardware structures packed.Peter Oberparleiter
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] cio: Catch operand exceptions on stsch.Cornelia Huck
If we have a subchannel id which has been generated via for_each_subchannel(), it might contain an invalid subchannel set id. We need to catch the ensuing operand exception by using stsch_err() instead of stsch() in all possible cases. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] dasd: fix unconditional reserve handling.Horst Hummel
The reserve/release IOCTLs sometimes do not work. If second system does a 'steal lock' the pending unit check (Format 3 Msg F) is delivered. Since ERP is disabled for reserve/release, the IOCTL call fails. We have to allow basic ERP (retries) for reserve/release IOCTLs. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Remove dasd_ccw_log function.Horst Hummel
Logging of relevant information is already done by disciplines dump_sense function. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Small barrier() and cpu_relax() cleanup.Heiko Carstens
cpu_relax() has barrier() semantics hence there is no need to use both of them in conjunction in sclp_sync_wait(). Also change cpu_relax() so it's more obvious that it has barrier semantics. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] cio: Use device_{create,remove}_bin_file.Cornelia Huck
Create/remove the channel measurement binary files with device_{create,remove}_bin_file instead of sysfs_{create,remove}_bin_file. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] sclp: don't call local_bh_disable/_local_bh_enable if in_interrupt()Heiko Carstens
local_bh_disable/_local_bh_enable must not be called if in_irq() is true. Besides that if in_interrupt() is true bottom halves are disabled anyway. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Show loaded DCSS segments under /proc/iomem.Gerald Schaefer
Currently loaded DCSS segments are now listed in /proc/iomem with their name followed by a trailing "(DCSS)". Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] cio: Restart path verification after unsolicited interrupt.Cornelia Huck
If we try to start path verification when an unsolicited interrupt is already pending, stctl shows status pending and we delay path verification again. We need to check for the doverify bit when the unsolicited interrupt comes in and then do path verification. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] dasd: fix bug in dasd initialization cleanupStefan Weinhuber
The initialization of the dasd_eer code is one of the last steps of the dasd driver initialization. When initialization fails in one of the earlier steps, the dasd_exit function is called to clean up what has been done so far. So the dasd_eer_exit function may be called, although the dasd_eer_init function wasn't called before and dasd_eer_exit tries to unregister a misc device that wasn't registered, which results in a BUG. Make sure that dasd_eer_exit can be called without initialization. Use a dynamically allocated struct miscdevice instead of a static one, so we only try to unregister the device if it exists and was actually registered. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] sclp: invalid handling of temporary 'not operational' statusPeter Oberparleiter
Requests are aborted when the sclp interface reports 'not operational' even though they may still be active at the sclp, leading to concurrent writes to request memory by both the kernel and the sclp interface. Do not abort requests for which the sclp interface reports not operational status during request retry. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>5A Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] cio: Remove check for ssd in chpids_show().Cornelia Huck
Since ssd_info is now available before the subchannel is registered, we don't need to check whether it is available. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Check the return value of kthread_run().Akinobu Mita
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-05[S390] Get rid of a lot of sparse warnings.Heiko Carstens
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-01-09Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: pcnet_cs : add new id chelsio: error path fix s390: iucv Kconfig help description changes s390: qeth driver fixes: atomic context fixups s390: qeth driver fixes: packet socket s390: qeth driver fixes: VLAN hdr, perf stats forcedeth: sideband management fix Revert "[PATCH] e1000: disable TSO on the 82544 with slab debugging" qeth: fix uaccess handling and get rid of unused variable qla3xxx: Add delay to NVRAM register access. qla3xxx: Remove NETIF_F_LLTX from driver features. ixgb: Write RA register high word first, increment version ixgb: Maybe stop TX if not enough free descriptors ixgb: Fix early TSO completion [PATCH] ipw2100: Fix dropping fragmented small packet problem [PATCH] ieee80211: WLAN_GET_SEQ_SEQ fix (select correct region)
2007-01-09[S390] locking problem with __cpcmd.Christian Borntraeger
Changeset 740b5706b9c4b3767f597b3ea76654c6f2a800b2 moved the protecting spinlock from __cpcmd to cpcmd. Therefore vmcp can no longer use __cpcmd, instead we have to use cpcmd. Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-01-09[S390] cio: use barrier() in stsch_reset.Heiko Carstens
Use barrier() in stsch_reset() instead of duplicating the stsch() inline assembly and adding "memory" to the clobberlist. Pointed out by Chuck Ebbert. Real fix would be to add a fixup section to the stsch() and extend the basic program check handler so it searches the exception tables in case of a program check. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-01-09s390: iucv Kconfig help description changesFrank Pavlic
[PATCH 4/5] s390: iucv Kconfig help description changes From: Ursula Braun <braunu@de.ibm.com> remove text from help description which does not apply anymore for 2.6 kernel series. Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-01-09s390: qeth driver fixes: atomic context fixupsFrank Blaschka
- qeth device functions were not callable in atomic context due to usage of wait_event_xxx operations in qeth. "schedule while atomic" message appeared and kernel dumped when removing slave from bond device. Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-01-09s390: qeth driver fixes: packet socketFrank Blaschka
- packet socket support is not complete. Recvfrom a packet socket does not fill the sockaddr_ll structure. device function hard_header_parse is not implemented. For layer 2 mode and layer 3 mode with fake_ll turned on, we have the information to fill sockaddr_ll. Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-01-09s390: qeth driver fixes: VLAN hdr, perf statsFrank Blaschka
From: Ursula Braun <braunu@de.ibm.com> - VLAN header reordering did not work on packets received through qeth interface in layer 2 mode. This caused dhcpcd not to work with VLAN devices. - set qeth performance statistics initally inactive Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-01-07qeth: fix uaccess handling and get rid of unused variableHeiko Carstens
[patch] qeth: fix uaccess handling and get rid of unused variable drivers/s390/net/qeth_main.c: In function `qeth_process_inbound_buffer': drivers/s390/net/qeth_main.c:2563: warning: unused variable `vlan_addr' include/asm/uaccess.h: In function `qeth_do_ioctl': drivers/s390/net/qeth_main.c:4847: warning: ignoring return value of `copy_to_user' drivers/s390/net/qeth_main.c:4849: warning: ignoring return value of `copy_to_user' drivers/s390/net/qeth_main.c:4996: warning: ignoring return value of `copy_to_user' Cc: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-28[S390] cio: fix stsch_reset.Michael Holzheu
Copy inline assembly of stsch and add "memory" to clobber list in order to prevent gcc from optimizing away the checking of the global variable "pgm_check_occured". Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-28[S390] Change max. buffer size for monwriter device.Melissa Howland
Reduce the max. buffer size for the monwriter device to prevent a possible problem with the z/VM monitor service. Signed-off-by: Melissa Howland <melissah@us.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] cio: css_register_subchannel race.Stefan Bader
Asynchronous probe can release memory of a subchannel before css_get_ssd_info is called. To fix this call css_get_ssd_info before registering with driver core. Signed-off-by: Stefan Bader <shbader@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>