summaryrefslogtreecommitdiffstats
path: root/arch/parisc/kernel/irq.c (follow)
Commit message (Collapse)AuthorAgeFilesLines
* parisc: Use irq_to_desc() in show_interrupts()Thomas Gleixner2011-03-291-5/+6
| | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* parisc: Convert irq namespaceThomas Gleixner2011-03-291-6/+6
| | | | | | | | Convert to the new function names. Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: linux-parisc@vger.kernel.org
* parisc: Convert the final irq bitsThomas Gleixner2011-03-291-7/+2
| | | | | | | | | | | 1) As promised in the comment, the core does not copy cpumask anymore when the arch code returns -EINVAL 2) Get the per cpu information from irq_data Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: linux-parisc@vger.kernel.org
* [PARISC] Convert to new irq_chip functionsThomas Gleixner2011-02-101-27/+37
| | | | | | | | | | | Convert all the parisc driver interrupt handlers (dino, eisa, gsc, iosapic and superio) as well as the cpu interrupts. Prepare show_interrupts for GENERIC_HARDIRQS_NO_DEPRECATED and finally selects that Kconfig option [jejb: compile and testing fixes] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [PARISC] fix per-cpu flag problem in the cpu affinity checkersThomas Gleixner2011-02-091-1/+1
| | | | | | | | | The CHECK_IRQ_PER_CPU is wrong, it should be checking irq_to_desc(irq)->status not just irq. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@kernel.org Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* parisc: convert the rest of the irq handlers to simple/percpuJames Bottomley2010-12-041-4/+1
| | | | | | | | | | | | The generic conversion eliminates the spurious no_ack and no_end routines, converts all the cascaded handlers to handle_simple_irq() and makes iosapic use a modified handle_percpu_irq() to become the same as the CPU irq's. This isn't an essential change, but it eliminates the mask/unmask overhead of handle_level_irq(). Signed-off-by: James Bottomley <James.Bottomley@suse.de> Tested-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* parisc: fix dino/gsc interruptsJames Bottomley2010-12-041-1/+1
| | | | | | | | | | | | | | | The essential problem we're currently having is that dino (and gsc) is a cascaded CPU interrupt. Under the old __do_IRQ() handler, our CPU interrupts basically did an ack followed by an end. In the new scheme, we replaced them with level handlers which do a mask, an ack and then an unmask (but no end). Instead, with the renaming of end to eoi, we actually want to call the percpu flow handlers, because they actually have all the characteristics we want. This patch does the conversion and gets my C360 booting again. Signed-off-by: James Bottomley <James.Bottomley@suse.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* parisc: kill __do_IRQKyle McMartin2010-10-141-4/+0
| | | | Signed-off-by: Kyle McMartin <kyle@redhat.com>
* parisc: convert iosapic interrupts to proper flow handlersKyle McMartin2010-10-141-1/+1
| | | | | | | Shift the ->end call (cpu eoi) from __do_IRQ into our unmask handler. Also nuke some redundant code. Signed-off-by: Kyle McMartin <kyle@redhat.com>
* parisc: convert cpu interrupts to proper flow handlersKyle McMartin2010-10-141-16/+9
| | | | | | | Only major change is renaming functions to match the conventions expected by the generic irq code. Signed-off-by: Kyle McMartin <kyle@redhat.com>
* parisc: lay groundwork for killing __do_IRQKyle McMartin2010-10-141-10/+16
| | | | | | | | Use proper accessors and handlers for generic irq cleanups. We just call back into __do_IRQ through desc->handler now, and remove the explicit calls. Signed-off-by: Kyle McMartin <kyle@redhat.com>
* parisc: Fixup last users of irq_chip->typenameThomas Gleixner2009-12-161-2/+2
| | | | | | | | The typename member of struct irq_chip was kept for migration purposes and is obsolete since more than 2 years. Fix up the leftovers. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* genirq: Convert irq_desc.lock to raw_spinlockThomas Gleixner2009-12-141-2/+2
| | | | | | | | | Convert locks which cannot be sleeping locks in preempt-rt to raw_spinlocks. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
* parisc: convert to asm-generic/hardirq.hChristoph Hellwig2009-09-281-5/+0
| | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* parisc: remove obsolete hw_interrupt_typeThomas Gleixner2009-07-031-1/+1
| | | | | | | | | | | | | | | | | | The defines and typedefs (hw_interrupt_type, no_irq_type, irq_desc_t) have been kept around for migration reasons. After more than two years it's time to remove them finally. This patch cleans up one of the remaining users. When all such patches hit mainline we can remove the defines and typedefs finally. Impact: cleanup Convert the last remaining users to struct irq_chip and remove the define. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* parisc: fix irq compile bugs in arch/parisc/kernel/irq.cHelge Deller2009-07-031-4/+4
| | | | | | | | | | | Fix miscompilation in arch/parisc/kernel/irq.c: 123: warning: passing arg 1 of `cpumask_setall' from incompatible pointer type 141: warning: passing arg 1 of `cpumask_copy' from incompatible pointer type 300: warning: passing arg 1 of `cpumask_copy' from incompatible pointer type 357: warning: passing arg 2 of `cpumask_copy' from incompatible pointer type Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* irq: change ->set_affinity() to return statusYinghai Lu2009-04-281-2/+4
| | | | | | | | | | | | | | | | | | | according to Ingo, change set_affinity() in irq_chip should return int, because that way we can handle failure cases in a much cleaner way, in the genirq layer. v2: fix two typos [ Impact: extend API ] Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: linux-arch@vger.kernel.org LKML-Reference: <49F654E9.4070809@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Merge branch 'rusty-cpumask-parisc' into pariscKyle McMartin2009-04-021-2/+2
|\
| * cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: pariscRusty Russell2009-03-161-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup, futureproof In fact, all cpumask ops will only be valid (in general) for bit numbers < nr_cpu_ids. So use that instead of NR_CPUS in various places. This is always safe: no cpu number can be >= nr_cpu_ids, and nr_cpu_ids is initialized to NR_CPUS at boot. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu>
* | Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2Ingo Molnar2009-03-271-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/parisc/kernel/irq.c arch/x86/include/asm/fixmap_64.h arch/x86/include/asm/setup.h kernel/irq/handle.c Semantic merge: arch/x86/include/asm/fixmap.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | irq: update all arches for new irq_descMike Travis2009-01-131-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup, update to new cpumask API Irq_desc.affinity and irq_desc.pending_mask are now cpumask_var_t's so access to them should be using the new cpumask API. Signed-off-by: Mike Travis <travis@sgi.com>
| | |
| \ \
*-. \ \ Merge branches 'irq/genirq' and 'linus' into irq/coreIngo Molnar2009-03-161-8/+10
|\ \ \ \ | | |/ / | |/| / | | |/
| | * parisc: convert cpu_check_affinity to new cpumask apiKyle McMartin2009-03-131-5/+7
| | | | | | | | | | | | | | | | | | | | | cpumask arg to the affinity function is now const, sort that out through the irq_desc implementations. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
| | * parisc: fix use of new cpumask api in irq.cKyle McMartin2009-03-131-4/+4
| | | | | | | | | | | | | | | | | | cpumask api needs to take a pointer to irq_desc[cpu].affinity Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
| | * parisc: update parisc for new irq_descMike Travis2009-03-131-4/+4
| |/ | | | | | | | | | | | | | | | | | | Impact: cleanup, update to new cpumask API Irq_desc.affinity and irq_desc.pending_mask are now cpumask_var_t's so access to them should be using the new cpumask API. Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* / sparseirq: use kstat_irqs_cpu insteadYinghai Lu2009-01-111-1/+1
|/ | | | | | | | | | | | | | | | | | | Impact: build fix Ingo Molnar wrote: > tip/arch/blackfin/kernel/irqchip.c: In function 'show_interrupts': > tip/arch/blackfin/kernel/irqchip.c:85: error: 'struct kernel_stat' has no member named 'irqs' > make[2]: *** [arch/blackfin/kernel/irqchip.o] Error 1 > make[2]: *** Waiting for unfinished jobs.... > So could move kstat_irqs array to irq_desc struct. (s390, m68k, sparc) are not touched yet, because they don't support genirq Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* parisc: Replace NR_CPUS in parisc codeHelge Deller2009-01-051-4/+5
| | | | | | | parisc: Replace most arrays sized by NR_CPUS with percpu variables. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* parisc: trivial fixesHelge Deller2009-01-051-1/+1
| | | | | | | | | | | | | | trivial fixes: - use KERN_WARNING for printk() - use BUG_ON() instead of "if (xx) BUG();" Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca> -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
* cpumask: make irq_set_affinity() take a const struct cpumaskRusty Russell2008-12-131-3/+3
| | | | | | | | | | | | | | | | | | | | | | | Impact: change existing irq_chip API Not much point with gentle transition here: the struct irq_chip's setaffinity method signature needs to change. Fortunately, not widely used code, but hits a few architectures. Note: In irq_select_affinity() I save a temporary in by mangling irq_desc[irq].affinity directly. Ingo, does this break anything? (Folded in fix from KOSAKI Motohiro) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Reviewed-by: Grant Grundler <grundler@parisc-linux.org> Acked-by: Ingo Molnar <mingo@redhat.com> Cc: ralf@linux-mips.org Cc: grundler@parisc-linux.org Cc: jeremy@xensource.com Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
* [PARISC] timer interrupt should not be IRQ_DISABLEDKyle McMartin2007-12-061-1/+1
| | | | | | | | | | | The timer interrupt had accidentally been marked IRQ_DISABLED since IRQ_PER_CPU had been OR-ed in, instead of set. This had been working by accident for quite a while. Commit c642b8391cf8efc3622cc97329a0f46e7cbb70b8 changed the behaviour of IRQ_PER_CPU interrupts, which previously weren't checked for IRQ_DISABLED. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* [PARISC] remove global_ack_eiemGrant Grundler2007-06-121-18/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kudos to Thibaut Varene for spotting the (mis)use of appropriately named global_ack_eiem. This took a long time to figure out and both insight from myself, Kyle McMartin, and James Bottomley were required to narrow down which bit of code could have this race condition. The symptom was interrupts stopped getting delivered while some workload was generating IO interrupts on two different CPUs. One of the interrupt sources would get masked off and stay unmasked. Problem was global_ack_eiem was accessed with read/modified/write sequence and not protected by a spinlock. PA-RISC doesn't need a global ack flag though. External Interrupts are _always_ delivered to a single CPU (except for "global broadcast interrupt" which AFAIK currently is not used.) So we don't have to worry about any given IRQ vector getting delivered to more than one CPU. Tested on a500 and rp34xx boxen. rsync to/from gsyprf11 (a500) would lock up the box since NIC (tg3) interrupt and SCSI (sym2) were on "opposite" CPUs (2 CPU system). Put them on the same CPU or apply this patch and 10GB of data would rsync completely. Please apply the following critical patch. thanks, grant Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Acked-by: Thibaut VARENE <T-Bone@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* Add IRQF_IRQPOLL flag on pariscBernhard Walle2007-05-081-1/+1
| | | | | | | | | | | Add IRQF_IRQPOLL to the timer interrupt on parisc. Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Matthew Wilcox <willy@debian.org> Cc: Grant Grundler <grundler@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PARISC] use fls_long in irq.cKyle McMartin2007-02-171-5/+1
| | | | Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Use set_irq_regsMatthew Wilcox2006-10-071-0/+3
| | | | | | Actually set the irq_regs pointer. Signed-off-by: Matthew Wilcox <matthew@wil.cx>
* Build fixes for struct pt_regs removalMatthew Wilcox2006-10-071-3/+3
| | | | Signed-off-by: Matthew Wilcox <matthew@wil.cx>
* [PARISC] Allow nested interruptsJames Bottomley2006-10-041-63/+86
| | | | | | | | | | | | Our prior mode of operation didn't allow nested interrupts because it makes the interrupt code much simpler. However, nested interrupts are better for latency. This code uses the EIEM register to simulate level interrupts and thus achieve nesting. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Fix up parisc irq handling for genirq changesKyle McMartin2006-10-041-1/+1
| | | | | | Clean up enough to get things compiling again in the interim. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PATCH] irq-flags: PARISC: Use the new IRQF_ constantsThomas Gleixner2006-07-021-2/+2
| | | | | | | | | | | | Use the new IRQF_ constants and remove the SA_INTERRUPT define Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-301-1/+0
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [PATCH] genirq: add ->retrigger() irq op to consolidate hw_irq_resend()Ingo Molnar2006-06-291-7/+4
| | | | | | | | | | | | Add ->retrigger() irq op to consolidate hw_irq_resend() implementations. (Most architectures had it defined to NOP anyway.) NOTE: ia64 needs testing. i386 and x86_64 tested. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] genirq: cleanup: merge irq_affinity[] into irq_desc[]Ingo Molnar2006-06-291-4/+4
| | | | | | | | | | | Consolidation: remove the irq_affinity[NR_IRQS] array and move it into the irq_desc[NR_IRQS].affinity field. [akpm@osdl.org: sparc64 build fix] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] genirq: rename desc->handler to desc->chipIngo Molnar2006-06-291-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch-queue improves the generic IRQ layer to be truly generic, by adding various abstractions and features to it, without impacting existing functionality. While the queue can be best described as "fix and improve everything in the generic IRQ layer that we could think of", and thus it consists of many smaller features and lots of cleanups, the one feature that stands out most is the new 'irq chip' abstraction. The irq-chip abstraction is about describing and coding and IRQ controller driver by mapping its raw hardware capabilities [and quirks, if needed] in a straightforward way, without having to think about "IRQ flow" (level/edge/etc.) type of details. This stands in contrast with the current 'irq-type' model of genirq architectures, which 'mixes' raw hardware capabilities with 'flow' details. The patchset supports both types of irq controller designs at once, and converts i386 and x86_64 to the new irq-chip design. As a bonus side-effect of the irq-chip approach, chained interrupt controllers (master/slave PIC constructs, etc.) are now supported by design as well. The end result of this patchset intends to be simpler architecture-level code and more consolidation between architectures. We reused many bits of code and many concepts from Russell King's ARM IRQ layer, the merging of which was one of the motivations for this patchset. This patch: rename desc->handler to desc->chip. Originally i did not want to do this, because it's a big patch. But having both "desc->handler", "desc->handle_irq" and "action->handler" caused a large degree of confusion and made the code appear alot less clean than it truly is. I have also attempted a dual approach as well by introducing a desc->chip alias - but that just wasnt robust enough and broke frequently. So lets get over with this quickly. The conversion was done automatically via scripts and converts all the code in the kernel. This renaming patch is the first one amongst the patches, so that the remaining patches can stay flexible and can be merged and split up without having some big monolithic patch act as a merge barrier. [akpm@osdl.org: build fix] [akpm@osdl.org: another build fix] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PARISC] Make redirecting irq messages less noisyRyan Bradetich2005-11-171-1/+1
| | | | | | | | Make the "redirecting irq" message to not display on the console by setting the severity to KERN_DEBUG. The console was basically unusable. Signed-off-by: Ryan Bradetich <rbrad@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] irq_affinityp[] only available for SMP buildsGrant Grundler2005-11-171-2/+9
| | | | | | | | irq_affinityp[] only available for SMP builds, make code that uses it conditional on CONFIG_SMP. Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Add IRQ affinitiesJames Bottomley2005-11-171-2/+58
| | | | | | | | | | | | This really only adds them for the machines I can check SMP on, which is CPU interrupts and IOSAPIC (so not any of the GSC based machines). With this patch, irqbalanced can be used to maintain irq balancing. Unfortunately, irqbalanced is a bit x86 centric, so it doesn't do an incredibly good job, but it does work. Signed-off-by: James Bottomley <jejb@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Fix uniprocessor build by dummying smp_send_all_nop()Kyle McMartin2005-11-171-0/+2
| | | | | | | | Since irq.c uses smp_send_all_nop, we must define it for UP builds as well. Make it a static inline so it gets optimized away. This forces irq.c to include <asm/smp.h> though. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Fix our interrupts not to use smp_call_functionJames Bottomley2005-11-171-9/+17
| | | | | | | | | | | | | Fix our interrupts not to use smp_call_function On K and D class smp, the generic code calls this under an irq spinlock, which causes the WARN_ON() message in smp_call_function() (and is also illegal because it could deadlock). The fix is to use a new scheme based on the IPI_NOP. Signed-off-by: James Bottomley <jejb@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Disable nesting of interruptsGrant Grundler2005-11-171-7/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Disable nesting of interrupts - still has holes The offending sequence starts out like this: 1) take external interrupt 2) set_eiem() to only allow TIMER_IRQ; local interrupts still disabled 3) read the EIRR to get a "list" of pending interrupts 4) clear EIRR of pending interrupts we intend to handle 5) call __do_IRQ() to handle IRQ. 6) handle_IRQ_event() enables local interrupts (I-Bit) 7) take a timer interrupt 8) read EIRR to get a new list of pending interrupts 9) clear EIRR of pending interrupts we just read 10) handle pending interrupts found in (8) 11) set_eiem(cpu_eiem) and return [ TROUBLE! all enabled CPU IRQs are unmasked. } 12) handle remaining interrupts pending from (3) e.g. call __do_IRQ() -> handle_IRQ_event()..etc [ TROUBLE! call to handle_IRQ_event() can now enable *any* IRQ. } 13) set_eiem(cpu_eiem) and return The problem is we now get into ugly race conditions with Timer and IPI interrupts at this point. I'm not exactly sure what happens when things go wrong (perhaps nest calls to IPI or timer interrupt?). But I'm certain it's not good. This sequence will break sooner if (10) would accidentally leave interrupts enabled. I'm pretty sure the right answer is now to make cpu_eiem a per CPU variable since all external interrupts on parisc are per CPU. This means we will NOT need to send an IPI to every CPU in the system when enabling or disabling an IRQ since only one CPU needs to change it's EIEM. Thanks to James Bottomley for (once again) pointing out the problem. Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Make sure timer and IPI execute with interrupts disabledJames Bottomley2005-11-171-0/+2
| | | | | | | | | | | | | | | | | | | | | | Fix a longstanding smp bug The problem is that both the timer and ipi interrupts are being called with interrupts enabled, which isn't what anyone is expecting. The IPI issue has just started to show up by causing a BUG_ON in the slab debugging code. The timer issue never shows up because there's an eiem work around in our irq.c The fix is to label both these as SA_INTERRUPT which causes the generic irq code not to enable interrupts. I also suspect the smp_call_function timeouts we're seeing might be connected with the fact that we disable IPIs when handling any other type of interrupt. I've put a WARN_ON in the code for executing smp_call_function() with IPIs disabled. Signed-off-by: James Bottomley <jejb@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-171-0/+343
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 03:13:08 +0100