3 files changed, 12 insertions, 7 deletions

diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c
index 255b1af9a054..03abfdb1a6e4 100644
--- a/arch/i386/kernel/i8259.c
+++ b/arch/i386/kernel/i8259.c
@@ -41,6 +41,7 @@ static void mask_and_ack_8259A(unsigned int);
 static struct irq_chip i8259A_chip = {
         .name           = "XT-PIC",
         .mask           = disable_8259A_irq,
+        .disable        = disable_8259A_irq,
         .unmask         = enable_8259A_irq,
         .mask_ack       = mask_and_ack_8259A,
 };
diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index d73c79e821f1..01e2cf0bdeb1 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -103,6 +103,7 @@ static void mask_and_ack_8259A(unsigned int);
 static struct irq_chip i8259A_chip = {
         .name           = "XT-PIC",
         .mask           = disable_8259A_irq,
+        .disable        = disable_8259A_irq,
         .unmask         = enable_8259A_irq,
         .mask_ack       = mask_and_ack_8259A,
 };
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 475e8a71bcdc..76a9106a0bf4 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -230,10 +230,6 @@ static void default_enable(unsigned int irq)
  */
 static void default_disable(unsigned int irq)
 {
-        struct irq_desc *desc = irq_desc + irq;
-
-        if (!(desc->status & IRQ_DELAYED_DISABLE))
-                desc->chip->mask(irq);
 }
 
 /*
@@ -298,13 +294,18 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
 
         if (unlikely(desc->status & IRQ_INPROGRESS))
                 goto out_unlock;
-        desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
         kstat_cpu(cpu).irqs[irq]++;
 
         action = desc->action;
-        if (unlikely(!action || (desc->status & IRQ_DISABLED)))
+        if (unlikely(!action || (desc->status & IRQ_DISABLED))) {
+                if (desc->chip->mask)
+                        desc->chip->mask(irq);
+                desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+                desc->status |= IRQ_PENDING;
                 goto out_unlock;
+        }
 
+        desc->status &= ~(IRQ_REPLAY | IRQ_WAITING | IRQ_PENDING);
         desc->status |= IRQ_INPROGRESS;
         spin_unlock(&desc->lock);
 
@@ -396,11 +397,13 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 
         /*
          * If its disabled or no action available
-         * keep it masked and get out of here
+         * then mask it and get out of here:
          */
         action = desc->action;
         if (unlikely(!action || (desc->status & IRQ_DISABLED))) {
                 desc->status |= IRQ_PENDING;
+                if (desc->chip->mask)
+                        desc->chip->mask(irq);
                 goto out;
         }