genirq: Reflect IRQ_MOVE_PCNTXT in irq_data state

Required by x86.

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

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 94c8f5bb548f6f7b6fa3a044a8e5db02ccfca56d..c101ad4b821f69b91830ec78bea7233247df485c 100644 (file)
--- 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 4687457fe7f0f862f96991bd1307685b6dd99bd4..2b0f9192a830135d4636c960607388a3459b5eba 100644 (file)
--- 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));