Enable interrupts while running interrupt handlers like we do on agintc(4).

Spotted by patrick@

ok patrick@

diff --git a/sys/arch/arm64/dev/ampintc.c b/sys/arch/arm64/dev/ampintc.c
index f03985a..2091031 100644 (file)
--- a/sys/arch/arm64/dev/ampintc.c
+++ b/sys/arch/arm64/dev/ampintc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ampintc.c,v 1.12 2018/01/31 10:52:12 kettenis Exp $ */
+/* $OpenBSD: ampintc.c,v 1.13 2018/02/02 09:32:11 kettenis Exp $ */
 /*
  * Copyright (c) 2007,2009,2011 Dale Rahn <drahn@openbsd.org>
  *
@@ -620,7 +620,7 @@ ampintc_irq_handler(void *frame)
        struct intrhand         *ih;
        void                    *arg;
        uint32_t                 iack_val;
-       int                      irq, pri, s;
+       int                      irq, pri, s, handled;
 
        iack_val = ampintc_iack();
 #ifdef DEBUG_INTC
@@ -668,7 +668,10 @@ ampintc_irq_handler(void *frame)
                else
                        arg = frame;
 
-               if (ih->ih_func(arg))
+               enable_interrupts();
+               handled = ih->ih_func(arg);
+               disable_interrupts();
+               if (handled)
                        ih->ih_count.ec_count++;
 
 #ifdef MULTIPROCESSOR