Module Name:    src
Committed By:   jmcneill
Date:           Mon Feb 15 17:46:36 UTC 2021

Modified Files:
        src/sys/arch/aarch64/aarch64: trap.c

Log Message:
interrupt: enable interrupts before running soft intr handlers. To avoid
stack usage going out of control, only do this at ci_intr_depth==0.


To generate a diff of this commit:
cvs rdiff -u -r1.41 -r1.42 src/sys/arch/aarch64/aarch64/trap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/aarch64/aarch64/trap.c
diff -u src/sys/arch/aarch64/aarch64/trap.c:1.41 src/sys/arch/aarch64/aarch64/trap.c:1.42
--- src/sys/arch/aarch64/aarch64/trap.c:1.41	Fri Dec 11 18:03:33 2020
+++ src/sys/arch/aarch64/aarch64/trap.c	Mon Feb 15 17:46:36 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: trap.c,v 1.41 2020/12/11 18:03:33 skrll Exp $ */
+/* $NetBSD: trap.c,v 1.42 2021/02/15 17:46:36 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: trap.c,v 1.41 2020/12/11 18:03:33 skrll Exp $");
+__KERNEL_RCSID(1, "$NetBSD: trap.c,v 1.42 2021/02/15 17:46:36 jmcneill Exp $");
 
 #include "opt_arm_intr_impl.h"
 #include "opt_compat_netbsd32.h"
@@ -521,7 +521,10 @@ interrupt(struct trapframe *tf)
 	ARM_IRQ_HANDLER(tf);
 	ci->ci_intr_depth--;
 
-	cpu_dosoftints();
+	if (ci->ci_intr_depth == 0 && (ci->ci_softints >> ci->ci_cpl) > 0) {
+		ENABLE_INTERRUPT();
+		cpu_dosoftints();
+	}
 }
 
 #ifdef COMPAT_NETBSD32

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