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-rw-r--r--kernel/irq/manage.c30
1 files changed, 0 insertions, 30 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 84f32278ff1f..444d5a81a209 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -757,16 +757,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
if (new->flags & IRQF_ONESHOT)
desc->status |= IRQ_ONESHOT;
- /*
- * Force MSI interrupts to run with interrupts
- * disabled. The multi vector cards can cause stack
- * overflows due to nested interrupts when enough of
- * them are directed to a core and fire at the same
- * time.
- */
- if (desc->msi_desc)
- new->flags |= IRQF_DISABLED;
-
if (!(desc->status & IRQ_NOAUTOEN)) {
desc->depth = 0;
desc->status &= ~IRQ_DISABLED;
@@ -1027,7 +1017,6 @@ EXPORT_SYMBOL(free_irq);
* Flags:
*
* IRQF_SHARED Interrupt is shared
- * IRQF_DISABLED Disable local interrupts while processing
* IRQF_SAMPLE_RANDOM The interrupt can be used for entropy
* IRQF_TRIGGER_* Specify active edge(s) or level
*
@@ -1041,25 +1030,6 @@ int request_threaded_irq(unsigned int irq, irq_handler_t handler,
int retval;
/*
- * handle_IRQ_event() always ignores IRQF_DISABLED except for
- * the _first_ irqaction (sigh). That can cause oopsing, but
- * the behavior is classified as "will not fix" so we need to
- * start nudging drivers away from using that idiom.
- */
- if ((irqflags & (IRQF_SHARED|IRQF_DISABLED)) ==
- (IRQF_SHARED|IRQF_DISABLED)) {
- pr_warning(
- "IRQ %d/%s: IRQF_DISABLED is not guaranteed on shared IRQs\n",
- irq, devname);
- }
-
-#ifdef CONFIG_LOCKDEP
- /*
- * Lockdep wants atomic interrupt handlers:
- */
- irqflags |= IRQF_DISABLED;
-#endif
- /*
* Sanity-check: shared interrupts must pass in a real dev-ID,
* otherwise we'll have trouble later trying to figure out
* which interrupt is which (messes up the interrupt freeing