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Peter Zijlstra 184748cc50 sched: Provide scheduler_ipi() callback in response to smp_send_reschedule() ...

For future rework of try_to_wake_up() we'd like to push part of that
function onto the CPU the task is actually going to run on.

In order to do so we need a generic callback from the existing scheduler IPI.

This patch introduces such a generic callback: scheduler_ipi() and
implements it as a NOP.

BenH notes: PowerPC might use this IPI on offline CPUs under rare conditions!

Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reviewed-by: Frank Rowand <frank.rowand@am.sony.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110405152728.744338123@chello.nl

2011-04-14 08:52:32 +02:00

..

.gitignore

alpha: .gitignore vmlinux.lds

2009-01-15 16:39:40 -08:00

alpha_ksyms.c

Generic semaphore implementation

2008-04-17 10:42:34 -04:00

asm-offsets.c

CRED: Separate task security context from task_struct

2008-11-14 10:39:16 +11:00

binfmt_loader.c

alpha: binfmt_aout fix

2009-05-02 15:36:10 -07:00

console.c

ALPHA: support graphics on non-zero PCI domains

2007-06-01 08:18:29 -07:00

core_apecs.c

[PATCH] alpha pt_regs cleanups: machine_check()

2006-10-08 12:32:36 -07:00

core_cia.c

[PATCH] alpha pt_regs cleanups: machine_check()

2006-10-08 12:32:36 -07:00

core_irongate.c

Introduce flags for reserve_bootmem()

2008-02-07 08:42:25 -08:00

core_lca.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

core_marvel.c

arch/alpha/kernel: Add kmalloc NULL tests

2009-11-30 15:38:19 -05:00

core_mcpcia.c

alpha: fixes for specific machine types

2007-04-17 16:36:27 -07:00

core_polaris.c

[PATCH] alpha pt_regs cleanups: machine_check()

2006-10-08 12:32:36 -07:00

core_t2.c

alpha: use single HAE window on T2 core logic (gamma, sable)

2010-10-26 16:52:12 -07:00

core_titan.c

arch/alpha/kernel: Add kmalloc NULL tests

2009-11-30 15:38:19 -05:00

core_tsunami.c

alpha: remove remaining __FUNCTION__ occurrences

2008-04-28 08:58:27 -07:00

core_wildfire.c

[PATCH] alpha pt_regs cleanups: machine_check()

2006-10-08 12:32:36 -07:00

entry.S

alpha: switch osf_sigprocmask() to use of sigprocmask()

2010-09-27 12:19:53 -07:00

err_common.c

PCI: Cleanup the includes of <linux/pci.h>

2007-05-02 19:02:35 -07:00

err_ev6.c

alpha: Use static const char * const where possible

2010-09-18 23:06:17 -04:00

err_ev7.c

alpha: titan and marvel build fixes

2009-05-02 15:36:10 -07:00

err_impl.h

alpha: titan and marvel build fixes

2009-05-02 15:36:10 -07:00

err_marvel.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

err_titan.c

alpha: Use static const char * const where possible

2010-09-18 23:06:17 -04:00

es1888.c

…

gct.c

…

head.S

alpha: convert to use __HEAD and HEAD_TEXT macros.

2009-04-26 09:20:38 -07:00

init_task.c

alpha: use .data.init_task instead of .data.init_thread.

2009-09-24 17:16:22 -07:00

io.c

…

irq_alpha.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

irq_i8259.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

irq_impl.h

alpha: i8259, alcor, jensen wildfire: Convert irq_chip

2011-03-02 14:57:55 -05:00

irq_pyxis.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

irq_srm.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

irq.c

alpha: Use generic show_interrupts()

2011-03-29 14:47:58 +02:00

machvec_impl.h

alpha: use single HAE window on T2 core logic (gamma, sable)

2010-10-26 16:52:12 -07:00

Makefile

alpha: change to new Makefile flag variables

2011-01-17 05:42:13 +01:00

module.c

alpha: handle kcalloc failure

2008-04-28 08:58:27 -07:00

osf_sys.c

clean statfs-like syscalls up

2011-03-14 09:15:28 -04:00

pc873xx.c

alpha: Detect Super IO chip, no IDE on Avanti, enable EPP19

2010-06-15 14:19:08 -04:00

pc873xx.h

alpha: Detect Super IO chip, no IDE on Avanti, enable EPP19

2010-06-15 14:19:08 -04:00

pci_impl.h

alpha: AGP update (fixes compile failure)

2009-09-24 07:21:06 -07:00

pci_iommu.c

alpha: remove dma64_addr_t usage

2010-10-27 18:03:17 -07:00

pci-noop.c

include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h

2010-03-30 22:02:32 +09:00

pci-sysfs.c

alpha: remove unnecessary cast from void* in assignment.

2010-09-18 23:06:17 -04:00

pci.c

resource/PCI: mark struct resource as const

2010-02-22 16:16:57 -08:00

perf_event.c

perf: Dynamic pmu types

2010-12-16 11:36:43 +01:00

process.c

alpha: fix usp value in multithreaded coredumps

2010-09-25 14:38:13 -07:00

proto.h

Fix call to replaced SuperIO functions

2010-08-31 22:45:31 -04:00

ptrace.c

ptrace: change signature of arch_ptrace()

2010-10-27 18:03:10 -07:00

setup.c

alpha: bad macro expansion, parameter is member

2009-06-16 19:47:46 -07:00

signal.c

Fix up more fallout form alpha signal cleanups

2010-09-30 08:37:38 -07:00

smc37c93x.c

include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h

2010-03-30 22:02:32 +09:00

smc37c669.c

include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h

2010-03-30 22:02:32 +09:00

smp.c

sched: Provide scheduler_ipi() callback in response to smp_send_reschedule()

2011-04-14 08:52:32 +02:00

srm_env.c

alpha: remove unnecessary cast from void* in assignment.

2010-09-18 23:06:17 -04:00

srmcons.c

alpha: fix trivial section mismatch warnings

2007-07-16 09:05:37 -07:00

sys_alcor.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_cabriolet.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_dp264.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_eb64p.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_eiger.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_jensen.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_marvel.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_miata.c

PCI: alpha: use generic pci_swizzle_interrupt_pin()

2009-01-07 11:12:53 -08:00

sys_mikasa.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_nautilus.c

alpha: nautilus - fix hang on boot

2009-01-15 16:39:40 -08:00

sys_noritake.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_rawhide.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_ruffian.c

arch/alpha/kernel/sys_ruffian.c: Use DIV_ROUND_CLOSEST

2009-11-30 15:37:25 -05:00

sys_rx164.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_sable.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_sio.c

alpha: Detect Super IO chip, no IDE on Avanti, enable EPP19

2010-06-15 14:19:08 -04:00

sys_sx164.c

alpha: more fixes for specific machine types

2007-04-17 16:36:27 -07:00

sys_takara.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_titan.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

sys_wildfire.c

alpha: Convert to new irq function names

2011-03-29 14:47:58 +02:00

systbls.S

alpha: switch osf_sigprocmask() to use of sigprocmask()

2010-09-27 12:19:53 -07:00

time.c

alpha: Change do_timer() to xtime_update()

2011-01-31 14:55:43 +01:00

traps.c

alpha: kill big kernel lock

2010-09-18 23:06:18 -04:00

vmlinux.lds.S

alpha: use L1_CACHE_BYTES for cacheline size in the linker script

2011-01-25 14:27:38 +01:00