[Xen-devel,PATCH-4.5,v3,06/12] xen/arm: keep track of the GICH_LR used for the irq in struct pending_irq

Message ID 1393439997-26936-6-git-send-email-stefano.stabellini@eu.citrix.com
State New
Headers show

Commit Message

Stefano Stabellini Feb. 26, 2014, 6:39 p.m.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
 xen/arch/arm/gic.c           |    6 ++++--
 xen/include/asm-arm/domain.h |    1 +
 2 files changed, 5 insertions(+), 2 deletions(-)

Patch

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 371ebd8..9293c16 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -643,6 +643,7 @@  static inline void gic_set_lr(struct vcpu *v, int lr, unsigned int irq,
 
     set_bit(GIC_IRQ_GUEST_VISIBLE, &p->status);
     clear_bit(GIC_IRQ_GUEST_PENDING, &p->status);
+    p->lr = lr;
 }
 
 static inline void gic_add_to_lr_pending(struct vcpu *v, unsigned int irq,
@@ -723,6 +724,7 @@  static void gic_clear_lrs(struct vcpu *v)
             if ( p->desc != NULL )
                 p->desc->status &= ~IRQ_INPROGRESS;
             clear_bit(GIC_IRQ_GUEST_VISIBLE, &p->status);
+            p->lr = nr_lrs;
             if ( test_bit(GIC_IRQ_GUEST_PENDING, &p->status) &&
                     test_bit(GIC_IRQ_GUEST_ENABLED, &p->status))
             {
@@ -965,12 +967,12 @@  void gic_dump_info(struct vcpu *v)
 
     list_for_each_entry ( p, &v->arch.vgic.inflight_irqs, inflight )
     {
-        printk("Inflight irq=%d\n", p->irq);
+        printk("Inflight irq=%d lr=%u\n", p->irq, p->lr);
     }
 
     list_for_each_entry( p, &v->arch.vgic.lr_pending, lr_queue )
     {
-        printk("Pending irq=%d\n", p->irq);
+        printk("Pending irq=%d lr=%u\n", p->irq, p->lr);
     }
 
 }
diff --git a/xen/include/asm-arm/domain.h b/xen/include/asm-arm/domain.h
index af8c64b..7b636c8 100644
--- a/xen/include/asm-arm/domain.h
+++ b/xen/include/asm-arm/domain.h
@@ -59,6 +59,7 @@  struct pending_irq
 #define GIC_IRQ_GUEST_VISIBLE  1
 #define GIC_IRQ_GUEST_ENABLED  2
     unsigned long status;
+    uint8_t lr;
     struct irq_desc *desc; /* only set it the irq corresponds to a physical irq */
     uint8_t priority;
     /* inflight is used to append instances of pending_irq to