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52553ddffa
linux_dsm_epyc7002/kernel/irq
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Edward Donovan 52553ddffa genirq: fix regression in irqfixup, irqpoll 
Commit fa27271bc8d2("genirq: Fixup poll handling") introduced a
regression that broke irqfixup/irqpoll for some hardware configurations.

Amidst reorganizing 'try_one_irq', that patch removed a test that
checked for 'action->handler' returning IRQ_HANDLED, before acting on
the interrupt.  Restoring this test back returns the functionality lost
since 2.6.39.  In the current set of tests, after 'action' is set, it
must precede '!action->next' to take effect.

With this and my previous patch to irq/spurious.c, c75d720fca, all
IRQ regressions that I have encountered are fixed.

Signed-off-by: Edward Donovan <edward.donovan@numble.net>
Reported-and-tested-by: Rogério Brito <rbrito@ime.usp.br>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org (2.6.39+)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-28 08:43:09 -08:00
..
autoprobe.c genirq: Remove compat code 2011-03-29 14:48:19 +02:00
chip.c genirq: Add support for per-cpu dev_id interrupts 2011-10-03 15:35:26 +02:00
debug.h genirq: Support per-IRQ thread disabling. 2011-04-23 15:56:24 +02:00
devres.c devres: fix possible use after free 2011-07-25 20:57:14 -07:00
dummychip.c genirq: Remove compat code 2011-03-29 14:48:19 +02:00
generic-chip.c kernel: Fix files explicitly needing EXPORT_SYMBOL infrastructure 2011-10-31 19:30:05 -04:00
handle.c irq: Handle spurios irq detection for threaded irqs 2011-06-03 14:53:15 +02:00
internals.h genirq: Add support for per-cpu dev_id interrupts 2011-10-03 15:35:26 +02:00
irqdesc.c irq: don't put module.h into irq.h for tracking irqgen modules. 2011-10-31 19:32:35 -04:00
irqdomain.c irq: support domains with non-zero hwirq base 2011-10-31 14:03:23 +01:00
Kconfig irq: add irq_domain translation infrastructure 2011-07-28 01:32:04 -06:00
Makefile irq: add irq_domain translation infrastructure 2011-07-28 01:32:04 -06:00
manage.c genirq: Fix fatfinered fixup really 2011-10-04 18:43:57 +02:00
migration.c Fix common misspellings 2011-03-31 11:26:23 -03:00
pm.c genirq: Add IRQF_RESUME_EARLY and resume such IRQs earlier 2011-10-17 11:42:49 +02:00
proc.c irq: Remove smp_affinity_list when unregister irq proc 2011-05-26 13:15:28 +02:00
resend.c genirq: Remove compat code 2011-03-29 14:48:19 +02:00
settings.h genirq: Add support for per-cpu dev_id interrupts 2011-10-03 15:35:26 +02:00
spurious.c genirq: fix regression in irqfixup, irqpoll 2011-11-28 08:43:09 -08:00