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c1e30ad98f
linux/arch/sh/kernel
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Paul Mundt c1e30ad98f sh: intc: Support virtual mappings for IRQ subgroups. 
Many interrupts that share a single mask source but are on different
hardware vectors will have an associated register tied to an INTEVT that
denotes the precise cause for the interrupt exception being triggered.

This introduces the concept of IRQ subgroups in the intc core, where
a virtual IRQ map is constructed for each of the pre-defined cause bits,
and a higher level chained handler takes control of the parent INTEVT.
This enables CPUs with heavily muxed IRQ vectors (especially across
disjoint blocks) to break things out in to a series of managed chained
handlers while being able to dynamically lookup and adopt the IRQs
created for them.

This is largely an opt-in interface, requiring CPUs to manually submit
IRQs for subgroup splitting, in addition to providing identifiers in
their enum maps that can be used for lazy lookup via the radix tree.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-10-05 04:47:03 +09:00
..
cpu sh: Drop __initdata for SH-X3 pinmux tables. 2010-10-04 05:00:19 +09:00
vsyscall 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
.gitignore sh: Add an arch/sh/kernel/.gitignore 2008-07-29 08:29:32 +09:00
asm-offsets.c sh: Add R-standby sleep mode support 2009-10-30 14:38:45 +09:00
clkdev.c sh: fix a kfree address in clkdev code 2010-09-30 09:43:32 +09:00
cpufreq.c arch/sh/kernel: Use set_cpus_allowed_ptr 2010-03-29 11:40:37 +09:00
crash_dump.c sh: shuffle the elfcorehdr handling over to the crash dump code. 2010-05-07 17:58:55 +09:00
debugtraps.S sh: kgdb: Rework breakpoint handling on top of notifier chain. 2009-12-22 12:44:14 +09:00
disassemble.c sh: Add a simple code dumper for SUPERH32 show_regs(). 2008-12-22 18:43:49 +09:00
dma-nommu.c sh: Revamp PCI DMA coherence Kconfig bits. 2009-10-27 10:35:02 +09:00
dumpstack.c sh: flag the default unwinder as reliable. 2009-08-15 01:09:03 +09:00
dwarf.c sh: handle early calls to return_address() when using dwarf unwinder. 2010-05-25 16:16:40 +09:00
entry-common.S sh: Correct the offset of the return address in ret_from_exception 2010-02-08 10:46:46 +09:00
ftrace.c tracing: Unify arch_syscall_addr() implementations 2010-02-17 13:07:21 +01:00
head_32.S sh: boot kernel with SR.BL set 2010-09-30 09:43:32 +09:00
head_64.S sh64: Fix up early serial fixmap. 2010-01-12 15:22:26 +09:00
hw_breakpoint.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2010-05-19 11:36:03 -07:00
idle.c sh: CPU hotplug support. 2010-04-26 19:08:55 +09:00
init_task.c Use new __init_task_data macro in arch init_task.c files. 2009-09-21 06:27:08 +02:00
io_generic.c sh: support for platforms without PIO. 2010-06-02 16:31:42 +09:00
io_trapped.c sh: support for platforms without PIO. 2010-06-02 16:31:42 +09:00
io.c sh: support for platforms without PIO. 2010-06-02 16:31:42 +09:00
irq_32.c sh: Annotate irq functions with "notrace" 2009-10-27 07:37:10 +09:00
irq_64.c sh: Annotate irq functions with "notrace" 2009-10-27 07:37:10 +09:00
irq.c sh: intc: Support virtual mappings for IRQ subgroups. 2010-10-05 04:47:03 +09:00
kdebugfs.c sh: provide generic arch_debugfs_dir. 2010-09-24 04:04:26 +09:00
kgdb.c kgdb,sh: update superh kgdb exception handling 2010-05-20 21:04:20 -05:00
kprobes.c sh: kprobes SMP support. 2010-06-14 17:06:10 +09:00
localtimer.c sh: CPU hotplug support. 2010-04-26 19:08:55 +09:00
machine_kexec.c lmb: rename to memblock 2010-07-14 17:14:00 +10:00
machvec.c sh: support for platforms without PIO. 2010-06-02 16:31:42 +09:00
Makefile sh: provide generic arch_debugfs_dir. 2010-09-24 04:04:26 +09:00
module.c sh: Tidy up the dwarf module helpers. 2009-10-13 13:32:19 +09:00
nmi_debug.c sh: nmi_debug support. 2009-09-01 17:38:32 +09:00
perf_callchain.c perf: Fix inconsistency between IP and callchain sampling 2010-01-28 14:31:20 +01:00
perf_event.c perf: Convert perf_event to local_t 2010-06-09 11:12:37 +02:00
process_32.c Make do_execve() take a const filename pointer 2010-08-17 18:07:43 -07:00
process_64.c Make do_execve() take a const filename pointer 2010-08-17 18:07:43 -07:00
process.c Merge branch 'sh/stable-updates' 2010-04-26 16:08:27 +09:00
ptrace_32.c sh: Add kprobe-based event tracer. 2010-06-14 15:16:53 +09:00
ptrace_64.c sh: kill big kernel lock 2010-09-16 16:37:56 +09:00
ptrace.c sh: Add kprobe-based event tracer. 2010-06-14 15:16:53 +09:00
reboot.c sh: Provide a global TLB flush for U/I-TLB clear. 2010-07-02 15:44:09 +09:00
relocate_kernel.S sh: add kexec jump support 2009-03-18 18:57:43 +09:00
return_address.c sh: handle early calls to return_address() when using dwarf unwinder. 2010-05-25 16:16:40 +09:00
setup.c sh: provide generic arch_debugfs_dir. 2010-09-24 04:04:26 +09:00
sh_bios.c sh: sh_bios detection. 2010-01-12 18:42:52 +09:00
sh_ksyms_32.c sh: Clean up more superfluous symbol exports. 2009-10-27 11:51:19 +09:00
sh_ksyms_64.c sh: Clean up more superfluous symbol exports. 2009-10-27 11:51:19 +09:00
signal_32.c sh: Mass ctrl_in/outX to __raw_read/writeX conversion. 2010-01-26 12:58:40 +09:00
signal_64.c Merge branch 'sh/stable-updates' 2010-02-15 14:49:37 +09:00
smp.c sh: native_cpu_disable() build error when CONFIG_HOTPLUG_CPU=n 2010-04-29 23:28:38 +09:00
stacktrace.c sh: stacktrace: Properly terminate the trace entry buffer. 2009-08-15 01:11:37 +09:00
swsusp.c sh: hibernation support 2009-03-10 12:55:40 +09:00
sys_sh32.c Make do_execve() take a const filename pointer 2010-08-17 18:07:43 -07:00
sys_sh64.c Make do_execve() take a const filename pointer 2010-08-17 18:07:43 -07:00
sys_sh.c Add generic sys_olduname() 2010-03-12 15:52:32 -08:00
syscalls_32.S sh: Provide a non-multiplexed sys_recvmmsg path. 2010-09-14 17:43:11 +09:00
syscalls_64.S sh: wire up fanotify/prlimit64 syscalls. 2010-08-16 13:51:18 +09:00
time.c sh: Convert sh to use read/update_persistent_clock 2010-03-05 02:04:38 +09:00
topology.c sh: Flag present CPUs hotpluggable in topology registration. 2010-04-26 18:20:29 +09:00
traps_32.c sh: boot kernel with SR.BL set 2010-09-30 09:43:32 +09:00
traps_64.c sh64: provide a stub per_cpu_trap_init() definition. 2010-05-18 15:23:48 +09:00
traps.c sh: Mass ctrl_in/outX to __raw_read/writeX conversion. 2010-01-26 12:58:40 +09:00
unwinder.c sh: unwinder: Use a special bug flag for unwinder traps. 2009-08-22 05:28:25 +09:00
vmlinux.lds.S sh: Kill off some superfluous legacy PMB special casing. 2010-02-16 21:43:38 +09:00