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2008-12-28m68k: Reinstate mac rtcFinn Thain2-9/+10
Reinstate the Mac hardware clock for CUDA ADB and Mac II ADB models. It doesn't work properly on Mac IIsi ADB and PMU ADB yet, so leave them out. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-12-27sparc: move select of ARCH_SUPPORTS_MSISam Ravnborg1-1/+1
It is counter intuitive to have the select listed as part of the PCI option. Move the select to the SPARC64 specific part of the config. PCI_MSI has a dependency on PCI so it does not harm to have it always selected. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-27sparc: drop SUN_IOSam Ravnborg2-6/+0
SUN_IO is always 'y' so drop it and thus killing an ifdef/endif pair Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-27sparc: unify sections.hSam Ravnborg7-35/+19
While doing this use standard names for start/end so we could use definitions straight from asm-generic for all the typical symbols. This also allowed us to drop the use of PROVIDE in the linker script so sprc is less non-standard on this area. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-27sparc: use .data.init_task section for init_thread_unionSam Ravnborg2-2/+10
Use a dedicated aligned section for the init_thread_union variable and declare this section in vmlinux.lds. This align sparc with most other architectures. Eventually this allow the init_task bits to be unified across all architectures. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-26sparc: fix array overrun check in of_device_64.cRobert Reif1-9/+9
Do the array length check and fixup before copying the array. Signed-off-by: Robert Reif <reif@earthlink.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-26sparc: unify module.cSam Ravnborg3-164/+25
o Copy module_64.c to module.c o Add all sparc specific bits to module.c o delete module_32.c o update Makefile Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-26sparc64: prepare module_64.c for unificationSam Ravnborg1-22/+40
o Introduce a helper function o Combine sparc64 specific case values o add ifdef's around sparc64 code snippets Note: The ifdef around the BUG_ON is highly questionable but for now the safe approach was taken Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-26sparc64: use bit neutral Elf symbolsSam Ravnborg1-17/+17
To prepare for unification use the bit neutral versions of the Elf types defined by asm/module.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-26sparc: unify module.hSam Ravnborg3-22/+24
Use some preprocessor magic in combination with the newly introduced CONFIG_BITS to unify module.h. A few additional symbols are added as they are needed in a follow-up patch Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-26sparc: introduce CONFIG_BITSSam Ravnborg1-1/+5
CONFIG_BITS is set to 32 for sparc32 and 64 for sparc64. This allow us to use this symbol in for example header files to ease unification of sparc32 and sparc64. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-26sparc: fix hardirq.h removal falloutSam Ravnborg2-0/+2
When hardirq.h are removed from asm-generic/local.h a few bits fails to build. Fix these upfront. Reported by Alexey Dobriyan. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-25Merge branches 'timers/clocksource', 'timers/hpet', 'timers/hrtimers', 'timers/nohz', 'timers/ntp', 'timers/posixtimers' and 'timers/rtc' into timers/coreIngo Molnar3-4/+7
2008-12-25Merge branches 'irq/sparseirq', 'irq/genirq' and 'irq/urgent'; commit 'v2.6.28' into irq/coreIngo Molnar205-3363/+7220
2008-12-25x86, sparseirq: clean up Kconfig entryIngo Molnar1-3/+7
Impact: improve help text Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-25Merge branches 'core/debugobjects', 'core/iommu', 'core/locking', 'core/printk', 'core/rcu', 'core/resources', 'core/softirq' and 'core/stacktrace' into core/coreIngo Molnar9-14/+45
2008-12-25Merge commit 'v2.6.28' into core/coreIngo Molnar197-3118/+6667
2008-12-25Merge branch 'sched/urgent'; commit 'v2.6.28' into sched/coreIngo Molnar38-530/+858
2008-12-25[S390] convert cpu related printks to pr_xxx macros.Martin Schwidefsky5-100/+112
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert dcssblk and extmem printks messages to pr_xxx macros.Hongjie Yang1-63/+43
Signed-off-by: Hongjie Yang <hongjie@us.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert s390 debug feature printks to pr_xxx macros.Michael Holzheu1-18/+19
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert appldata printks to pr_xxx macros.Gerald Schaefer3-21/+16
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert setup printks to pr_xxx macros.Martin Schwidefsky1-26/+46
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert hypfs printks to pr_xxx macros.Michael Holzheu2-9/+15
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert time printks to pr_xxx macros.Martin Schwidefsky1-5/+9
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert cpacf printks to pr_xxx macros.Jan Glauber1-5/+9
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert cpcmd printks to pr_xxx macros.Christian Borntraeger1-2/+5
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] s390: Remove redundant testJulia Lawall1-1/+1
The loop above the modified code only terminates when rc is a valid pointer. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x@p1 == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( x@p2 == NULL | x@p2 != NULL ) // another path to the test that is not through p1? @s exists@ local idexpression r.x; position r.p1,r.p2; @@ ... when != x@p1 ( x@p2 == NULL | x@p2 != NULL ) @fix depends on !s@ position r.p1,r.p2; expression x,E; statement S1,S2; @@ ( - if ((x@p2 != NULL) || ...) S1 | - if ((x@p2 == NULL) && ...) S1 | - BUG_ON(x@p2 == NULL); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] s390/setup: set default preferred console device "ttyS"Hendrik Brueckner1-0/+3
This patch sets the default console device for s390. The console= kernel parameter can be still used to switch the preferred console to some other device. In that case, console messages are also printed on the default console device (ttyS0). Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] panic_stack leak in smp_alloc_lowcoreMartin Schwidefsky1-5/+2
Fix freeing of the panic_stack if the allocation of async_stack failed. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] clear_table inline assembly contraintsMartin Schwidefsky1-1/+4
Tell the compile that the clear_table inline assembly writes to the memory referenced by *s. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] Remove config options.Martin Schwidefsky9-143/+20
On s390 we always want to run with precise cputime accounting. Remove the config options VIRT_TIMER and VIRT_CPU_ACCOUNTING. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] cpu topology: remove dead codeHeiko Carstens1-18/+1
Interrupts haven't been implemented. So remove the dead code. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] cpu topology: introduce kernel parameterHeiko Carstens1-1/+11
Introduce a topology=[on|off] kernel parameter which allows to switch cpu topology on/off. Default will be off, since it looks like that for some workloards this doesn't behave very well (on s390). Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] add new machine types to setup_hwcaps.Martin Schwidefsky1-0/+5
Add the machine types for z9-bc, z10-ec and z10-bc to the elf_platform detection in setup_hwcaps. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] Remove initial kernel stack backchain initialization.Heiko Carstens2-2/+0
Early init code clears the backchain of the initial kernel stack frame. This is not necessary since it is pre initialized with zeros. Plus it was broken on 64 bit since it cleared only four of eight bytes. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] s390: use the new byteorder headersHarvey Harrison1-51/+21
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] Add processor type march=z10 and a processor type safety check.Martin Schwidefsky5-47/+61
This patch adds the code generation option for IBM System z10 and adds a check in head[31,64].S to prevents the execution of a kernel compiled for a new processor type on an old machine. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] remove warnings with functions ending in BUGMartin Schwidefsky1-1/+4
Functions which end in a BUG() statement and skip the return statement cause compile warnings on s390, e.g.: mm/bootmem.c: In function 'mark_bootmem': mm/bootmem.c:321: warning: control reaches end of non-void function To avoid the warning add an endless loop to the BUG() macro. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] mark disabled_wait as noreturn functionHeiko Carstens1-1/+3
disabled_wait() won't return, so add an __attribute__((noreturn)). This will remove a false positive finding which our internal code checker reports. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] cio: update sac valuesPeter Oberparleiter1-2/+2
Values for the sac field have changed - update code accordingly. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] remove ptrace warning on 31 bit.Martin Schwidefsky1-6/+4
A kernel compile on 31 bit gives the following warnings in ptrace.c: arch/s390/kernel/ptrace.c: In function 'peek_user': arch/s390/kernel/ptrace.c:207: warning: unused variable 'dummy' arch/s390/kernel/ptrace.c: In function 'poke_user': arch/s390/kernel/ptrace.c:315: warning: unused variable 'dummy' Getting rid of the dummy variables removes the warnings. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] ftrace: function tracer backend for s390Heiko Carstens5-0/+76
This implements just the basic function tracer (_mcount) backend for s390. The dynamic variant will come later. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] service level interface.Martin Schwidefsky1-0/+11
Add a new proc interface /proc/service_levels that allows any code to report a relevant service level, e.g. the microcode level of devices, the service level of the hypervisor, etc. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] qdio: rework debug feature loggingJan Glauber1-10/+0
- make qdio_trace a per device view - remove s390dbf exceptions - remove CONFIG_QDIO_DEBUG, not needed anymore if we check for the level before calling sprintf - use snprintf for dbf entries - add start markers to see if the dbf view wrapped - add a global error view for all queues Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] qdio: fix qeth port count detectionJan Glauber1-8/+8
qeth needs to get the port count information before qdio has allocated a page for the chsc operation. Extend qdio_get_ssqd_desc() to store the data in the specified structure. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] zcrypt: Use of Thin InterruptsFelix Beck1-0/+1
When the machine supports AP adapter interrupts polling will be switched off at module initialization and the driver will work in interrupt mode. Signed-off-by: Felix Beck <felix.beck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] Move stfle to header file.Heiko Carstens2-19/+18
stfle will be needed by the ap_bus module to figure out wether the AP queue adapter interruption facility is installed. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] convert s390 to generic IPI infrastructureHeiko Carstens4-158/+24
Since etr/stp don't need the old smp_call_function semantics anymore we can convert s390 to the generic IPI infrastructure. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25[S390] serialize stp/etr workMartin Schwidefsky1-5/+18
The work function dispatched with schedule_work() can be run twice on different cpus because run_workqueue clears the WORK_STRUCT_PENDING bit and then executes the function. Another cpu can call schedule_work() again and run the work function a second time before the first call is completed. This patch serialized the etr and stp work function with a mutex. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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