genirq: Reflect IRQ_MOVE_PCNTXT in irq_data state

Required by x86.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 11 insertions, 1 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 94c8f5bb548f..c101ad4b821f 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -170,6 +170,8 @@ struct irq_data {
  * IRQD_LEVEL                   - Interrupt is level triggered
  * IRQD_WAKEUP_STATE            - Interrupt is configured for wakeup
  *                                from suspend
+ * IRDQ_MOVE_PCNTXT             - Interrupt can be moved in process
+ *                                context
  */
 enum {
         IRQD_TRIGGER_MASK               = 0xf,
@@ -179,6 +181,7 @@ enum {
         IRQD_AFFINITY_SET               = (1 << 12),
         IRQD_LEVEL                      = (1 << 13),
         IRQD_WAKEUP_STATE               = (1 << 14),
+        IRQD_MOVE_PCNTXT                = (1 << 15),
 };
 
 static inline bool irqd_is_setaffinity_pending(struct irq_data *d)
@@ -225,6 +228,11 @@ static inline bool irqd_is_wakeup_set(struct irq_data *d)
         return d->state_use_accessors & IRQD_WAKEUP_STATE;
 }
 
+static inline bool irqd_can_move_in_process_context(struct irq_data *d)
+{
+        return d->state_use_accessors & IRQD_MOVE_PCNTXT;
+}
+
 /**
  * struct irq_chip - hardware interrupt chip descriptor
  *
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 4687457fe7f0..2b0f9192a830 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -712,11 +712,13 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
         irq_settings_clr_and_set(desc, clr, set);
 
         irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU |
-                   IRQD_TRIGGER_MASK | IRQD_LEVEL);
+                   IRQD_TRIGGER_MASK | IRQD_LEVEL | IRQD_MOVE_PCNTXT);
         if (irq_settings_has_no_balance_set(desc))
                 irqd_set(&desc->irq_data, IRQD_NO_BALANCING);
         if (irq_settings_is_per_cpu(desc))
                 irqd_set(&desc->irq_data, IRQD_PER_CPU);
+        if (irq_settings_can_move_pcntxt(desc))
+                irqd_set(&desc->irq_data, IRQD_MOVE_PCNTXT);
 
         irqd_set(&desc->irq_data, irq_settings_get_trigger_mask(desc));