[RFC 05/10] xen/arm: gic_inject: Introduce a local variable to store current

[Julien Grall <julien.grall@citrix.com>]

current is a define which is replaced by a read to a system register.
Rather than reading the system registers multiple store the result in a
local variable.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
---
 xen/arch/arm/gic.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 1e1e5ba..37e579b 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -596,11 +596,13 @@ out:
 
 void gic_inject(void)
 {
+    struct vcpu *v = current;
+
     ASSERT(!local_irq_is_enabled());
 
-    gic_restore_pending_irqs(current);
+    gic_restore_pending_irqs(v);
 
-    if ( !list_empty(&current->arch.vgic.lr_pending) && lr_all_full() )
+    if ( !list_empty(&v->arch.vgic.lr_pending) && lr_all_full() )
         gic_hw_ops->update_hcr_status(GICH_HCR_UIE, 1);
 }
 
-- 
2.1.4