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authorAndrew Cooper <andrew.cooper3@citrix.com>2011-09-05 15:02:11 +0100
committerAndrew Cooper <andrew.cooper3@citrix.com>2011-09-05 15:02:11 +0100
commit0ba296917d257c87dbfb71a77cf20768c7e084ce (patch)
treed8d28177bf2a19db10dc3134b78cef354eb46ba5 /xen/arch/x86/irq.c
parentba3d7de6ce6f239c2a44ffba6256095101d757dd (diff)
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IRQ: Remove bit-rotten code
irq_desc.depth is a write only variable. LEGACY_IRQ_FROM_VECTOR(vec) is never referenced. Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
Diffstat (limited to 'xen/arch/x86/irq.c')
-rw-r--r--xen/arch/x86/irq.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c
index f4893d8d67..24bd74b551 100644
--- a/xen/arch/x86/irq.c
+++ b/xen/arch/x86/irq.c
@@ -202,7 +202,6 @@ static void dynamic_irq_cleanup(unsigned int irq)
desc->handler->shutdown(irq);
action = desc->action;
desc->action = NULL;
- desc->depth = 1;
desc->msi_desc = NULL;
desc->handler = &no_irq_type;
desc->chip_data->used_vectors=NULL;
@@ -302,7 +301,6 @@ static void __init init_one_irq_desc(struct irq_desc *desc)
desc->status = IRQ_DISABLED;
desc->handler = &no_irq_type;
desc->action = NULL;
- desc->depth = 1;
desc->msi_desc = NULL;
spin_lock_init(&desc->lock);
cpus_setall(desc->affinity);
@@ -817,7 +815,6 @@ void __init release_irq(unsigned int irq)
spin_lock_irqsave(&desc->lock,flags);
action = desc->action;
desc->action = NULL;
- desc->depth = 1;
desc->status |= IRQ_DISABLED;
desc->handler->shutdown(irq);
spin_unlock_irqrestore(&desc->lock,flags);
@@ -845,7 +842,6 @@ int __init setup_irq(unsigned int irq, struct irqaction *new)
}
desc->action = new;
- desc->depth = 0;
desc->status &= ~IRQ_DISABLED;
desc->handler->startup(irq);
@@ -1424,7 +1420,6 @@ int pirq_guest_bind(struct vcpu *v, struct pirq *pirq, int will_share)
cpus_clear(action->cpu_eoi_map);
init_timer(&action->eoi_timer, irq_guest_eoi_timer_fn, desc, 0);
- desc->depth = 0;
desc->status |= IRQ_GUEST;
desc->status &= ~IRQ_DISABLED;
desc->handler->startup(irq);
@@ -1540,7 +1535,6 @@ static irq_guest_action_t *__pirq_guest_unbind(
BUG_ON(action->in_flight != 0);
/* Disabling IRQ before releasing the desc_lock avoids an IRQ storm. */
- desc->depth = 1;
desc->status |= IRQ_DISABLED;
desc->handler->disable(irq);