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* x86: remove first_free_entry/pin_map_sizeYinghai Lu2008-10-163-14/+0
| | | | | | | no user now Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: unify ack_apic_edgeYinghai Lu2008-10-161-38/+35
| | | | | | | | | use code in 64 to replace move_native_irq(irq, desc); in 32 bit Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: unify mask_IO_APIC_irqYinghai Lu2008-10-161-59/+21
| | | | | | | use MACRO for 32 bit too Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: irq: interrupt array size should be NR_VECTORSYinghai Lu2008-10-161-1/+1
| | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* pci: change msi-x vector to 32bitYinghai Lu2008-10-162-2/+2
| | | | | | | | we are using 28bit pci (bus/dev/fn + 12 bits) as irq number, so the cache for irq number should be 32 bit too. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* io_apic: make 32 bit have io_apic resource in /proc/iomemYinghai Lu2008-10-161-8/+0
| | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* rename io_apic_64.c and io_apic_32.c to io_apic.cYinghai Lu2008-10-163-3914/+1
| | | | | | | The two files are now line by line equal. (sans a printk) Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make io_apic_32.c the same as io_apic_64.cIngo Molnar2008-10-161-377/+1064
| | | | Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make io_apic_64.c and io_apic_32.c the sameYinghai Lu2008-10-162-47/+829
| | | | | | | all the same except INTR_REMAPPING related and ioapic io resource. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove ioapic_forceYinghai Lu2008-10-163-5/+0
| | | | | | | no user left. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make 64 handle sis_apic_bug like the 32 bitYinghai Lu2008-10-161-4/+24
| | | | | | | | | | do we have 64bit system with sis chipset? [ mingo@elte.hu: nope, the problem chipset was 32-bit only. The code symmetry is good nevertheless. ] Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make headers files the same in io_apic_xx.cYinghai Lu2008-10-162-6/+21
| | | | | | | also make no_timer_check to be global on 64 bit, because vmi_32 is using that. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sparseirq: fix lockdepIngo Molnar2008-10-161-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -tip testing found this lockdep splat: [ 0.000000] Initializing CPU#0 [ 0.000000] found new irq_desc for irq 0 [ 0.000000] INFO: trying to register non-static key. [ 0.000000] the code is fine but needs lockdep annotation. [ 0.000000] turning off the locking correctness validator. [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.27-rc3-tip-00191-g98ccb89-dirty #1 [ 0.000000] [<c0153c22>] register_lock_class+0x3d2/0x400 [ 0.000000] [<c0104d87>] ? mcount_call+0x5/0xa [ 0.000000] [<c0154f3a>] __lock_acquire+0x22a/0x5d0 [ 0.000000] [<c0104d87>] ? mcount_call+0x5/0xa [ 0.000000] [<c0155351>] lock_acquire+0x71/0xa0 [ 0.000000] [<c016d61f>] ? set_irq_chip+0x3f/0x90 [ 0.000000] [<c070f148>] _spin_lock_irqsave+0x58/0x90 [ 0.000000] [<c016d61f>] ? set_irq_chip+0x3f/0x90 [ 0.000000] [<c016d61f>] set_irq_chip+0x3f/0x90 [ 0.000000] [<c016d7e0>] ? handle_level_irq+0x0/0xe0 [ 0.000000] [<c016da1a>] set_irq_chip_and_handler_name+0x1a/0x40 [ 0.000000] [<c0a396c1>] init_ISA_irqs+0x51/0xa0 [ 0.000000] [<c0a4a365>] pre_intr_init_hook+0x25/0x30 [ 0.000000] [<c0a39723>] native_init_IRQ+0x13/0x370 [ 0.000000] [<c015569c>] ? lock_release+0xcc/0x1d0 [ 0.000000] [<c0104d87>] ? mcount_call+0x5/0xa [ 0.000000] [<c070dc22>] ? __mutex_unlock_slowpath+0x92/0x110 [ 0.000000] [<c070dcad>] ? mutex_unlock+0xd/0x10 [ 0.000000] [<c0135f62>] ? cpu_maps_update_done+0x12/0x20 [ 0.000000] [<c06c6743>] ? register_cpu_notifier+0x23/0x30 [ 0.000000] [<c011e8ae>] init_IRQ+0xe/0x10 [ 0.000000] [<c0a357a5>] start_kernel+0x1c5/0x340 [ 0.000000] [<c0a35280>] ? unknown_bootoption+0x0/0x210 [ 0.000000] [<c0a3506b>] i386_start_kernel+0x6b/0x80 [ 0.000000] ======================= [ 0.000000] found new irq_desc for irq 1 [ 0.000000] found new irq_desc for irq 2 [ 0.000000] found new irq_desc for irq 3 this: static void init_one_irq_desc(struct irq_desc *desc) { memcpy(desc, &irq_desc_init, sizeof(struct irq_desc)); #ifdef CONFIG_TRACE_IRQFLAGS lockdep_set_class(&desc->lock, &irq_desc_lock_class); #endif } should be unconditional. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: order variables in io_apic_xx.cYinghai Lu2008-10-163-117/+127
| | | | | | | | | | move first_system_vector to apic_64.c. also add #ifdef CONFIG_INTR_REMAP to prepare 32 bit to use same file. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: ordering functions in io_apic_64.cYinghai Lu2008-10-161-34/+33
| | | | | | | try to make functions have the same order between 32-bit and 64-bit. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: ordering functions in io_apic_32.cYinghai Lu2008-10-161-84/+94
| | | | | | | | | | | prepare for unification: try to make functions be of the same order to io_apic_64.c. v2: add calling setup_msi_irq back to arch_setup_msi_irq Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, io-apic: remove union about dest for log/phyYinghai Lu2008-10-162-27/+7
| | | | | | | | | let user decide the meaning of the bits. This unifies the 32-bit and 64-bit io-apic code a bit. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: add debug info for 32bit sparse_irqYinghai Lu2008-10-163-4/+10
| | | | | | | | so could figure out bugs where we get an interrupt, but vector_irq is not initialized yet. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make 32bit support per_cpu vectorYinghai Lu2008-10-1619-312/+577
| | | | | | | | | | | | | | | | | | so we can merge io_apic_32.c and io_apic_64.c v2: Use cpu_online_map as target cpus for bigsmp, just like 64-bit is doing. Also remove some unused TARGET_CPUS macro. v3: need to check if desc is null in smp_irq_move_cleanup also migration needs to reset vector too, so copy __target_IO_APIC_irq from 64bit. (the duplication will go away once the two files are unified.) Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make 32 bit to use sparse_irqYinghai Lu2008-10-164-30/+79
| | | | | | | | | | but actually irq still needs to be less than NR_IRQS, because interrupt[NR_IRQS] in entry.S. need to enable per_cpu vector... Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make 32bit to use irq_2_pin in irq_cfgYinghai Lu2008-10-161-35/+117
| | | | | | | so it is more like 64 bit. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make 32bit use irq_cfg_alloc, etcYinghai Lu2008-10-161-20/+160
| | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: add irq_cfg for 32bitYinghai Lu2008-10-161-25/+46
| | | | | | | it only contains vector ... Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove irqbalance in kernel for 32 bitYinghai Lu2008-10-166-428/+3
| | | | | | | | This has been deprecated for years, the user space irqbalanced utility works better with numa, has configurable policies, etc... Signed-off-by: Yinghai Lu <yhlu.kernel@gmai.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: use 28 bits irq NR for pci msi/msix and htYinghai Lu2008-10-165-18/+73
| | | | | | | | also print out irq no in /proc/interrups and /proc/stat in hex, so could tell bus/dev/func. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: put irq_2_iommu pointer into irq_descYinghai Lu2008-10-162-48/+169
| | | | | | | | | | | | | when CONFIG_HAVE_SPARSE_IRQ preallocate some irq_2_iommu entries, and use get_one_free_irq_2_iomm to get new one and link to irq_desc if needed. else will use dyn_array or static array. v2: <= nr_irqs fix Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86_64: make /proc/interrupts work with dyn irq_descYinghai Lu2008-10-162-11/+48
| | | | | | | loop with irq_desc list Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86_64: separate irq_cfgx from irq_cfgx_freeYinghai Lu2008-10-161-33/+59
| | | | | | | so later don't need to compare with -1U Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: separate sparse_irqs from sparse_irqs_freeYinghai Lu2008-10-162-55/+62
| | | | | | | so later don't need compare with -1U Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86_64: rename irq_desc/irq_desc_allocYinghai Lu2008-10-167-41/+38
| | | | | | | | | | | | | | change names: irq_desc() ==> irq_desc_alloc __irq_desc() ==> irq_desc Also split a few of the uses in lowlevel x86 code. v2: need to check if desc is null in smp_irq_move_cleanup Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: check with without_new in show_interruptsYinghai Lu2008-10-161-1/+4
| | | | | | | so we don't get new one that we don't need it. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* generic: add irq_desc in function in parameterYinghai Lu2008-10-164-5/+47
| | | | | | | | | So we could remove some duplicated calling to irq_desc v2: make sure irq_desc in init/main.c is not used without generic_hardirqs Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: remove >= nr_irqs checking with config_have_sparse_irqYinghai Lu2008-10-164-48/+55
| | | | | | | | | | remove irq limit checks - nr_irqs is dynamic and we expand anytime. v2: fix checking about result irq_cfg_without_new, so could use msi again v3: use irq_desc_without_new to check irq is valid Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, ioapic: replace loop with nr_irqs with for_each_irq_icfgYinghai Lu2008-10-161-12/+12
| | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq, fs/proc: replace loop with nr_irqs for proc/statYinghai Lu2008-10-162-14/+33
| | | | | | | | | | Replace another nr_irqs loop to avoid the allocation of all sparse irq entries - use for_each_irq_desc instead. v2: make sure arch without GENERIC_HARDIRQS works too Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: replace loop with nr_irqs with for_each_irq_descYinghai Lu2008-10-167-26/+25
| | | | | | | | | | | | | | There are a handful of loops that go from 0 to nr_irqs and use get_irq_desc() on them. These would allocate all the irq_desc entries, regardless of the need for them. Use the smarter for_each_irq_desc() iterator that will only iterate over the present ones. v2: make sure arch without GENERIC_HARDIRQS work too Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: add irq_desc_without_newYinghai Lu2008-10-162-4/+37
| | | | | | | | add an irq_desc accessor that will not allocate any sparse entry but returns failure if there's no entry present. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: move kstat_irqs from kstat to irq_descYinghai Lu2008-10-1611-56/+106
| | | | | | | | | | | | | | | | | | | | | based on Eric's patch ... together mold it with dyn_array for irq_desc, will allcate kstat_irqs for nr_irq_desc alltogether if needed. -- at that point nr_cpus is known already. v2: make sure system without generic_hardirqs works they don't have irq_desc v3: fix merging v4: [mingo@elte.hu] fix typo [ mingo@elte.hu ] irq: build fix fix: arch/x86/xen/spinlock.c: In function 'xen_spin_lock_slow': arch/x86/xen/spinlock.c:90: error: 'struct kernel_stat' has no member named 'irqs' Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: put timer_rand_state pointer into irq_descYinghai Lu2008-10-162-5/+63
| | | | | | | | | | | | | irq_timer_state[] is a NR_IRQS sized array that is a side-by array to the real irq_desc[] array. Integrate that field into the (now dynamic) irq_desc dynamic array and save some RAM. v2: keep the old way to support arch not support irq_desc Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: put irq_2_pin pointer into irq_cfgYinghai Lu2008-10-161-41/+120
| | | | | | | | | | preallocate 32 irq_2_pin entries, and use get_one_free_irq_2_pin() to get one more and link to irq_cfg if needed. so don't waste one where no irq is enabled. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: add irq_cfg in io_apic_64.cYinghai Lu2008-10-161-40/+169
| | | | | | | | | | | | | preallocate size is 32, and if it is not enough, irq_cfg will more via alloc_bootmem() or kzalloc(). (depending on how early we are in system setup) v2: fix typo about size of init_one_irq_cfg ... should use sizeof(struct irq_cfg) v3: according to Eric, change get_irq_cfg() to irq_cfg() v4: squash add irq_cfg_alloc in Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: sparse irqs, fix IRQ auto-probe crashIngo Molnar2008-10-161-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fix: [ 10.631533] calling yenta_socket_init+0x0/0x20 [ 10.631533] Yenta: CardBus bridge found at 0000:15:00.0 [17aa:2012] [ 10.631533] Yenta: Using INTVAL to route CSC interrupts to PCI [ 10.631533] Yenta: Routing CardBus interrupts to PCI [ 10.631533] Yenta TI: socket 0000:15:00.0, mfunc 0x01d01002, devctl 0x64 [ 10.731599] BUG: unable to handle kernel NULL pointer dereference at 00000040 [ 10.731838] IP: [<c0c95b5f>] _spin_lock_irq+0xf/0x20 [ 10.732221] *pde = 00000000 [ 10.732741] Oops: 0002 [#1] SMP [ 10.733453] [ 10.734253] Pid: 1, comm: swapper Tainted: G W (2.6.27-rc3-tip-00173-gd7eaa4f-dirty #1) [ 10.735188] EIP: 0060:[<c0c95b5f>] EFLAGS: 00010002 CPU: 0 [ 10.735523] EIP is at _spin_lock_irq+0xf/0x20 [ 10.735523] EAX: 00000040 EBX: 00000000 ECX: f6e04c90 EDX: 00000100 [ 10.735523] ESI: 000000df EDI: f6e04c90 EBP: f7867df0 ESP: f7867df0 [ 10.735523] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 10.735523] Process swapper (pid: 1, ti=f7867000 task=f7870000 task.ti=f7867000) [ 10.735523] Stack: f7867e04 c0155fbd 00000000 00000000 f6e04c90 f7867e5c c0c6e319 c0f6a074 [ 10.735523] f6e04c90 000017aa 00002012 c112b648 f791f240 c112b5e0 f7867e44 c010440b [ 10.735523] f791f240 f791f29c c112b8ec f791f240 00000000 f7867e5c c048f893 03c0b648 [ 10.735523] Call Trace: [ 10.735523] [<c0155fbd>] ? probe_irq_on+0x3d/0x140 [ 10.735523] [<c0c6e319>] ? yenta_probe+0x529/0x640 [ 10.735523] [<c010440b>] ? mcount_call+0x5/0xa [ 10.735523] [<c048f893>] ? pci_match_device+0xa3/0xb0 [ 10.735523] [<c048fc1e>] ? pci_device_probe+0x5e/0x80 [ 10.735523] [<c0515423>] ? driver_probe_device+0x83/0x180 [ 10.735523] [<c0515594>] ? __driver_attach+0x74/0x80 [ 10.735523] [<c0514b69>] ? bus_for_each_dev+0x49/0x70 [ 10.735523] [<c051528e>] ? driver_attach+0x1e/0x20 [ 10.735523] [<c0515520>] ? __driver_attach+0x0/0x80 [ 10.735523] [<c05150d3>] ? bus_add_driver+0x1a3/0x220 [ 10.735523] [<c048fb60>] ? pci_device_remove+0x0/0x40 [ 10.735523] [<c05157f4>] ? driver_register+0x54/0x130 [ 10.735523] [<c048fe2f>] ? __pci_register_driver+0x4f/0x90 [ 10.735523] [<c11e9419>] ? yenta_socket_init+0x19/0x20 [ 10.735523] [<c0101125>] ? do_one_initcall+0x35/0x160 [ 10.735523] [<c11e9400>] ? yenta_socket_init+0x0/0x20 [ 10.735523] [<c01391a6>] ? __queue_work+0x36/0x50 [ 10.735523] [<c013922d>] ? queue_work_on+0x3d/0x50 [ 10.735523] [<c11a2758>] ? kernel_init+0x148/0x210 [ 10.735523] [<c11a2610>] ? kernel_init+0x0/0x210 [ 10.735523] [<c01043f3>] ? kernel_thread_helper+0x7/0x10 [ 10.735523] ======================= [ 10.735523] Code: 10 38 f2 74 06 f3 90 8a 10 eb f6 5d 89 c8 c3 8d b6 00 00 00 00 8d bc 27 00 00 00 00 55 89 e5 e8 a4 e8 46 ff fa ba 00 01 00 00 90 <66> 0f c1 10 38 f2 74 06 f3 90 8a 10 eb f6 5d c3 90 55 89 e5 53 as auto-probing wants to iterate over existing irqs. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* generic: sparse irqs: use irq_desc() together with dyn_array, instead of ↵Yinghai Lu2008-10-1628-187/+404
| | | | | | | | | | | | | | | | | | irq_desc[] add CONFIG_HAVE_SPARSE_IRQ to for use condensed array. Get rid of irq_desc[] array assumptions. Preallocate 32 irq_desc, and irq_desc() will try to get more. ( No change in functionality is expected anywhere, except the odd build failure where we missed a code site or where a crossing commit itroduces new irq_desc[] usage. ) v2: according to Eric, change get_irq_desc() to irq_desc() Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove nr_irq_vectorsYinghai Lu2008-10-161-9/+0
| | | | | | | remove unused defines derived from the (now obsolete) NR_IRQS define. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, irq: get nr_irqs from madtYinghai Lu2008-10-162-2/+29
| | | | | | | | | | | | | | | | Until now, NR_IRQS was derived from black magic defines that had to be "large enough" to both accomodate NR_CPUS and MAX_NR_IO_APICs. This resulted in a way too large irq_desc[] array on most x86 systems. Especially with larger CPU masks, the size of irq_desc can spiral out of control quickly. So be smarter about it and use precise allocation instead: determine the default maximum possible IRQ number from the ACPI MADT. Use a minimum limit of at least 32 IRQs for broken BIOSes. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: sparse irqs, fix #3Ingo Molnar2008-10-161-0/+2
| | | | | | | | | | | fix non-APIC UP build: arch/x86/kernel/built-in.o: In function `setup_arch': : undefined reference to `pin_map_size' arch/x86/kernel/built-in.o: In function `setup_arch': : undefined reference to `first_free_entry' Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: use dyn_array in io_apic_xx.cYinghai Lu2008-10-163-18/+70
| | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: make irqs in kernel stat use per_cpu_dyn_arrayYinghai Lu2008-10-162-1/+8
| | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: sparse irqs, export nr_irqsIngo Molnar2008-10-161-0/+1
| | | | | | | | | | fix: Building modules, stage 2. MODPOST 458 modules ERROR: "nr_irqs" [drivers/serial/8250.ko] undefined! Signed-off-by: Ingo Molnar <mingo@elte.hu>
* irq: make irq_desc to use dyn_arrayYinghai Lu2008-10-162-0/+35
| | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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