From 4cbca60875990089301d4839d2f88892be7cd4ea Mon Sep 17 00:00:00 2001
From: Zbigniew Bodek <zbb@FreeBSD.org>
Date: Mon, 3 Aug 2015 14:58:46 +0000
Subject: [PATCH] Add missing exception number to EL0 sync. abort on ARM64

When doing a data abort from userland it is possible to get
more than one data abort inside the same exception level.
Add an appropriate exception number to allow nesting of
data_abort handler for EL0.

Reviewed by:   andrew
Obtained from: Semihalf
Sponsored by:  The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D3276
---
 sys/arm64/arm64/trap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c
index fad842145871..22d49b179d45 100644
--- a/sys/arm64/arm64/trap.c
+++ b/sys/arm64/arm64/trap.c
@@ -329,6 +329,7 @@ do_el0_sync(struct trapframe *frame)
 		break;
 	case EXCP_INSN_ABORT_L:
 	case EXCP_DATA_ABORT_L:
+	case EXCP_DATA_ABORT:
 		data_abort(frame, esr, 1);
 		break;
 	default: