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* [PATCH] cpuset use combined atomic_inc_return callsPaul Jackson2006-03-24
| | | | | | | | | Replace pairs of calls to <atomic_inc, atomic_read>, with a single call atomic_inc_return, saving a few bytes of source and kernel text. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cpuset cleanup not not operatorsPaul Jackson2006-03-24
| | | | | | | | | | Since the test_bit() bit operator is boolean (return 0 or 1), the double not "!!" operations needed to convert a scalar (zero or not zero) to a boolean are not needed. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cpusets: only wakeup kswapd for zones in the current cpusetChristoph Lameter2006-03-24
| | | | | | | | | | | If we get under some memory pressure in a cpuset (we only scan zones that are in the cpuset for memory) then kswapd is woken up for all zones. This patch only wakes up kswapd in zones that are part of the current cpuset. Signed-off-by: Christoph Lameter <clameter@sgi.com> Acked-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] rcutorture: tag success/failure line with module parametersPaul E. McKenney2006-03-24
| | | | | | | | | | | | A long-running rcutorture test can overflow dmesg, so that the line containing the module parameters is lost. Although it is usually possible to retrieve this information from the log files, it is much better to just tag it onto the final success/failure line so that it may be easily found. This patch does just that. Signed-off-by: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kill include/linux/platform.h, default_idle() cleanupAdrian Bunk2006-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | include/linux/platform.h contained nothing that was actually used except the default_idle() prototype, and is therefore removed by this patch. This patch does the following with the platform specific default_idle() functions on different architectures: - remove the unused function: - parisc - sparc64 - make the needlessly global function static: - arm - h8300 - m68k - m68knommu - s390 - v850 - x86_64 - add a prototype in asm/system.h: - cris - i386 - ia64 Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Patrick Mochel <mochel@digitalimplant.org> Acked-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] extract-ikconfig: don't use --long-optionsAlexey Dobriyan2006-03-24
| | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] extract-ikconfig: be sure binoffset exists before extractingAlexey Dobriyan2006-03-24
| | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] extract-ikconfig: use mktemp(1)Alexey Dobriyan2006-03-24
| | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] tvec_bases too large for per-cpu dataJan Beulich2006-03-24
| | | | | | | | | | | | | | | | With internal Xen-enabled kernels we see the kernel's static per-cpu data area exceed the limit of 32k on x86-64, and even native x86-64 kernels get fairly close to that limit. I generally question whether it is reasonable to have data structures several kb in size allocated as per-cpu data when the space there is rather limited. The biggest arch-independent consumer is tvec_bases (over 4k on 32-bit archs, over 8k on 64-bit ones), which now gets converted to use dynamically allocated memory instead. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fs/coda/: proper prototypesAdrian Bunk2006-03-24
| | | | | | | | | Introduce a file fs/coda/coda_int.h with proper prototypes for some code. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fs/ext2/: proper ext2_get_parent() prototypeAdrian Bunk2006-03-24
| | | | | | | | Add a proper prototype for ext2_get_parent(). Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fs/9p/: possible cleanupsAdrian Bunk2006-03-24
| | | | | | | | | | | | | | | - mux.c: v9fs_poll_mux() was inline but not static resuling in needless object size bloat - mux.c: remove all "inline"s: gcc should know best what to inline - #if 0 the following unused global functions: - 9p.c: v9fs_v9fs_t_flush() - conv.c: v9fs_create_tauth() - mux.c: v9fs_mux_rpcnb() Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] rcu_process_callbacks: don't cli() while testing ->nxtlistOleg Nesterov2006-03-24
| | | | | | | | | | | | | | | | | __rcu_process_callbacks() disables interrupts to protect itself from call_rcu() which adds new entries to ->nxtlist. However we can check "->nxtlist != NULL" with interrupts enabled, we can't get "false positives" because call_rcu() can only change this condition from 0 to 1. Tested with rcutorture.ko. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Dipankar Sarma <dipankar@in.ibm.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Range checking in do_proc_dointvec_(userhz_)jiffies_convBart Samwel2006-03-24
| | | | | | | | | | | | | | | | | When (integer) sysctl values are in either seconds or centiseconds, but represented internally as jiffies, the allowable value range is decreased. This patch adds range checks to the conversion routines. For values in seconds: maximum LONG_MAX / HZ. For values in centiseconds: maximum (LONG_MAX / HZ) * USER_HZ. (BTW, does anyone else feel that an interface in seconds should not be accepting negative values?) Signed-off-by: Bart Samwel <bart@samwel.tk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Represent laptop_mode as jiffies internallyBart Samwel2006-03-24
| | | | | | | | | | | | | Make that the internal value for /proc/sys/vm/laptop_mode is stored as jiffies instead of seconds. Let the sysctl interface do the conversions, instead of doing on-the-fly conversions every time the value is used. Add a description of the fact that laptop_mode doubles as a flag and a timeout to the comment above the laptop_mode variable. Signed-off-by: Bart Samwel <bart@samwel.tk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Represent dirty_*_centisecs as jiffies internallyBart Samwel2006-03-24
| | | | | | | | | | | | | | | | | | | | | Make that the internal values for: /proc/sys/vm/dirty_writeback_centisecs /proc/sys/vm/dirty_expire_centisecs are stored as jiffies instead of centiseconds. Let the sysctl interface do the conversions with full precision using clock_t_to_jiffies, instead of doing overflow-sensitive on-the-fly conversions every time the values are used. Cons: apparent precision loss if HZ is not a multiple of 100, because of conversion back and forth. This is a common problem for all sysctl values that use proc_dointvec_userhz_jiffies. (There is only one other in-tree use, in net/core/neighbour.c.) Signed-off-by: Bart Samwel <bart@samwel.tk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] free_uid() locking improvementAndrew Morton2006-03-24
| | | | | | | | | | Reduce lock hold times in free_uid(). Cc: Ingo Molnar <mingo@elte.hu> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] bitmap: region restructuringPaul Jackson2006-03-24
| | | | | | | | | | | | | | | | | | | Restructure the bitmap_*_region() operations, to avoid code duplication. Also reduces binary text size by about 100 bytes (ia64 arch). The original Bottomley bitmap_*_region patch added about 1000 bytes of compiled kernel text (ia64). The Mundt multiword extension added another 600 bytes, and this restructuring patch gets back about 100 bytes. But the real motivation was the reduced amount of duplicated code. Tested by Paul Mundt using <= BITS_PER_LONG as well as power of 2 aligned multiword spanning allocations. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] bitmap: region multiword spanning supportPaul Mundt2006-03-24
| | | | | | | | | | | | | | | | | | | | Add support to the lib/bitmap.c bitmap_*_region() routines For bitmap regions larger than one word (nbits > BITS_PER_LONG). This removes a BUG_ON() in lib bitmap. I have an updated store queue API for SH that is currently using this with relative success, and at first glance, it seems like this could be useful for x86 (arch/i386/kernel/pci-dma.c) as well. Particularly for anything using dma_declare_coherent_memory() on large areas and that attempts to allocate large buffers from that space. Paul Jackson also did some cleanup to this patch. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] bitmap: region cleanupPaul Jackson2006-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Paul Mundt <lethal@linux-sh.org> says: This patch set implements a number of patches to clean up and restructure the bitmap region code, in addition to extending the interface to support multiword spanning allocations. The current implementation (before this patch set) is limited by only being able to allocate pages <= BITS_PER_LONG, as noted by the strategically positioned BUG_ON() at lib/bitmap.c:752: /* We don't do regions of pages > BITS_PER_LONG. The * algorithm would be a simple look for multiple zeros in the * array, but there's no driver today that needs this. If you * trip this BUG(), you get to code it... */ BUG_ON(pages > BITS_PER_LONG); As I seem to have been the first person to trigger this, the result ends up being the following patch set with the help of Paul Jackson. The final patch in the series eliminates quite a bit of code duplication, so the bitmap code size ends up being smaller than the current implementation as an added bonus. After these are applied, it should already be possible to do multiword allocations with dma_alloc_coherent() out of ranges established by dma_declare_coherent_memory() on x86 without having to change any of the code, and the SH store queue API will follow up on this as the other user that needs support for this. This patch: Some code cleanup on the lib/bitmap.c bitmap_*_region() routines: * spacing * variable names * comments Has no change to code function. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove ISA legacy functions: remove documentationAdrian Bunk2006-03-24
| | | | | | | | This patch removes the documentation of the ISA legacy functions. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove ISA legacy functions: remove the helpersAl Viro2006-03-24
| | | | | | | | | | | | unused isa_...() helpers removed. Adrian Bunk: The asm-sh part was rediffed due to unrelated changes. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove ISA legacy functions: drivers/net/lance.cAl Viro2006-03-24
| | | | | | | | | switch to ioremap() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove ISA legacy functions: drivers/net/hp-plus.cAl Viro2006-03-24
| | | | | | | | | | | | | switch to ioremap() Adrian Bunk: The order of the hunks in the patch was slightly rearranged due to an unrelated change in the driver. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove ISA legacy functions: drivers/scsi/in2000.cAl Viro2006-03-24
| | | | | | | | | switched to ioremap(), cleaned the probing up a bit. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove ISA legacy functions: drivers/scsi/g_NCR5380.cAl Viro2006-03-24
| | | | | | | | | | switched CONFIG_SCSI_G_NCR5380_MEM code in g_NCR5380 to ioremap(); massaged g_NCR5380.h accordingly. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove ISA legacy functions: drivers/char/toshiba.cAl Viro2006-03-24
| | | | | | | | | switch from isa_read...() to ioremap() and read...() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fs: Use ARRAY_SIZE macroTobias Klauser2006-03-24
| | | | | | | | | | | | | | | | | Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a duplicate of ARRAY_SIZE. Some trailing whitespaces are also deleted. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Cc: David Howells <dhowells@redhat.com> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Chris Mason <mason@suse.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Nathan Scott <nathans@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dasd: "cleanup dasd_ioctl" fixBastian Blank2006-03-24
| | | | | | | | | | Cast the argument correctly. Cc: Christoph Hellwig <hch@lst.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: kzalloc() conversion in drivers/s390Eric Sesterhenn2006-03-24
| | | | | | | | | Convert all kmalloc + memset sequences in drivers/s390 to kzalloc usage. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: kzalloc() conversion in arch/s390Eric Sesterhenn2006-03-24
| | | | | | | | | Convert all kmalloc + memset sequences in arch/s390 to kzalloc usage. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: CEX2A crt message lengthEric Rossman2006-03-24
| | | | | | | | | | | | | | Undetected edge case for CRT messages to CEX2A caused length to be too short, thus truncating the message. The solution was to check a different variable which actually determines which key type is being used. Increment version number in z90main.c to correct level of 1.3.3, fix copyright year and add comment about bitlength limit of CEX2A. Signed-off-by: Eric Rossman <edrossma@us.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: 3590 tape driverStefan Bader2006-03-24
| | | | | | | | | | | Michael Holzheu <holzheu@de.ibm.com>, Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Stefan Bader <shbader@de.ibm.com> Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: fix endless retry loop in tape driverMichael Holzheu2006-03-24
| | | | | | | | | | | | | If a tape device is assigned to another host, the interrupt for the assign operation comes back with deferred condition code 1. Under some conditions this can lead to an endless loop of retries. Check if the current request is still in IO in deferred condition code handling and prevent retries when the request has already been cancelled. Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: tape operation abortion leads to panicMichael Holzheu2006-03-24
| | | | | | | | | | | | | | | | When a request is aborted because of a signal, we currently stop the request via csh, but we do not wait for the interrupt of csh in any case. We free the request structure and therefore when the interrupt for the csh operation is presented, the request object is no longer valid and an invalid callback pointer is used. To fix this wait until the interrupt for csh arrives and until wait_event_interruptible() does not return -ERESTARTSYS. Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: tape retry flooding by deferred CC in interruptStefan Bader2006-03-24
| | | | | | | | | | | If a deferred CC happens there will be lots of messages, because the retry is done immediatly in the interrupt handler which can be too fast. To avoid this requeue the request and schedule the queue to be processed. Signed-off-by: Stefan Bader <shbader@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: dasd extended error reportingStefan Weinhuber2006-03-24
| | | | | | | | | | | The DASD extended error reporting is a facility that allows to get detailed information about certain problems in the DASD I/O. This information can be used to implement fail-over applications that can recover these problems. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: random values in result of BIODASDINFO2Horst Hummel2006-03-24
| | | | | | | | | | | Use kzalloc to get a zeroed buffer for the structure returned to user space by the BIODASDINFO2 ioctl. Not all fields are set up, e.g. the read_devno is missing. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: remove experimental flag from dasd diagPeter Oberparleiter2006-03-24
| | | | | | | | | | The dasd diag discipline has been tested on 64 bit and is no longer experimental. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: Remove old history/whitespave from partition codeHorst Hummel2006-03-24
| | | | | | | | | Remove obsolete history and trailing whitespace. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: remove dynamic dasd ioctlsChristoph Hellwig2006-03-24
| | | | | | | | | | Now that there are no more users of the awkward dynamic ioctl hack we can remove the code to support it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: merge cmb into dasdcChristoph Hellwig2006-03-24
| | | | | | | | | | | | | dasd_cmd just implements three ioctls which are wrappers around functionality in the core kernel or other modules. When merging those into dasd_mod they just add 22 lines of code which is far less than the amount of code removed in the last two patches, and which doesn't spill into another 4k pages when build modular, while removing a 128lines module. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: use normal switch statement for ioctls in dasd_ioctlcChristoph Hellwig2006-03-24
| | | | | | | | | | | | | | | Add an ->ioctl method to the dasd_discipline structure. This allows to apply the same kind of cleanups the last patch applied to dasd_ioctl.c to dasd_eckd.c (the only dasd discipline with special ioctls) aswell. Again lots of code removed. During auditing the ioctls I found two fishy return value propagations from copy_{from,to}_user, maintainers please check those, I've marked them with XXX comments. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: use normal switch statement for ioctls in dasd_ioctlcChristoph Hellwig2006-03-24
| | | | | | | | | | | | | | | Handle ioctls implemented in dasd_ioctl through the normal switch statement that most drivers use instead of the awkward dasd_ioctl_no_register routine. This avoids searching a linear list on every call to dasd_ioctl(), and allows to give the various ioctl implementation functions sane prototypes, aswell as moving the check for bdev->bd_disk->private_data from the individual functions to dasd_ioctl. (I think it can't actually every be NULL, but let's keep that for later) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: connector supportMartin Schwidefsky2006-03-24
| | | | | | | | | Include connector config in the s390 arch Kconfig to get support for connectors. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: cpu up retriesMichael Ryan2006-03-24
| | | | | | | | | Retry starting of new cpu if sigp restart returns condition code 2 (busy). Signed-off-by: Michael Ryan <ryan@funsoft.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: BUG() warningsMartin Schwidefsky2006-03-24
| | | | | | | | | Use __builtin_trap instead of an inline assembly in the BUG() macro. That way the compiler knows that BUG() won't return. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: /proc/sys/vm/cmm_* permission bitsMartin Schwidefsky2006-03-24
| | | | | | | | Set permissoin of /proc/sys/vm/cmm_* files to 0644. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: early parameter parsingHeiko Carstens2006-03-24
| | | | | | | | | Use common code parser for early parameters instead of our own. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: channel path measurementsCornelia Huck2006-03-24
| | | | | | | | | | Gather extended measurements for channel paths from the channel subsystem and expose them to userspace via a sysfs attribute. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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