linux/arch
Milton Miller 7ef71d753e powerpc/cell: Use common smp ipi actions
The cell iic interrupt controller has enough software caused interrupts
to use a unique interrupt for each of the 4 messages powerpc uses.
This means each interrupt gets its own irq action/data combination.

Use the seperate, optimized, arch common ipi action functions
registered via the helper smp_request_message_ipi instead passing the
message as action data to a single action that then demultipexes to
the required acton via a switch statement.

smp_request_message_ipi will register the action as IRQF_PER_CPU
and IRQF_DISABLED, and WARN if the allocation fails for some reason,
so no need to print on that failure.  It will return positive if
the message will not be used by the kernel, in which case we can
free the virq.

In addition to elimiating inefficient code, this also corrects the
error that a kernel built with kexec but without a debugger would
not register the ipi for kdump to notify the other cpus of a crash.

This also restores the debugger action to be static to kernel/smp.c.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-05-26 13:38:58 +10:00
..
alpha Remove unused PROC_CHANGE_PENALTY constant 2011-05-25 08:39:43 -07:00
arm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc 2011-05-25 16:55:55 -07:00
avr32 mm: now that all old mmu_gather code is gone, remove the storage 2011-05-25 08:39:16 -07:00
blackfin Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin 2011-05-25 15:34:14 -07:00
cris cris: convert old cpumask API into new one 2011-05-25 08:39:39 -07:00
frv mm: now that all old mmu_gather code is gone, remove the storage 2011-05-25 08:39:16 -07:00
h8300 genirq: Remove the now obsolete config options and select statements 2011-03-30 14:13:23 +02:00
ia64 mm: now that all old mmu_gather code is gone, remove the storage 2011-05-25 08:39:16 -07:00
m32r lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
m68k mm: now that all old mmu_gather code is gone, remove the storage 2011-05-25 08:39:16 -07:00
microblaze mm: now that all old mmu_gather code is gone, remove the storage 2011-05-25 08:39:16 -07:00
mips lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
mn10300 mn10300: convert old cpumask API into new one 2011-05-25 08:39:39 -07:00
parisc Remove unused PROC_CHANGE_PENALTY constant 2011-05-25 08:39:43 -07:00
powerpc powerpc/cell: Use common smp ipi actions 2011-05-26 13:38:58 +10:00
s390 mm: now that all old mmu_gather code is gone, remove the storage 2011-05-25 08:39:16 -07:00
score lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
sh lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
sparc lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
tile Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2011-05-25 15:35:32 -07:00
um lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
unicore32 lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
x86 Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2011-05-25 16:52:50 -07:00
xtensa mm: now that all old mmu_gather code is gone, remove the storage 2011-05-25 08:39:16 -07:00
.gitignore
Kconfig mm, powerpc: move the RCU page-table freeing into generic code 2011-05-25 08:39:16 -07:00