From: Christophe Fontaine <christophe.fontaine@enea.com>
Date: Tue, 20 Jun 2017 11:57:47 +0000 (+0200)
Subject: Fix SIGBUS on aarch64
X-Git-Tag: v17.10-rc1~389
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F26%2F7226%2F3;p=vpp.git

Fix SIGBUS on aarch64

A call to 'clib_smp_swap (&((dq)->interrupt_pending), 0)' was creating
a SIGBUS.
Instead of making dq->interrupt_pending aligned on 64bits, we reduce the size
from uword (u64) to u32, as the number of pending interrupts will never
go above max of u32.

Change-Id: Ifa5a6d3b7adee222329a671be01305cf50853b33
Signed-off-by: Christophe Fontaine <christophe.fontaine@enea.com>
---

diff --git a/src/vnet/devices/devices.h b/src/vnet/devices/devices.h
index f1f7e778460..b74e3713dfc 100644
--- a/src/vnet/devices/devices.h
+++ b/src/vnet/devices/devices.h
@@ -61,7 +61,7 @@ typedef struct
   u32 dev_instance;
   u16 queue_id;
   vnet_hw_interface_rx_mode mode;
-  uword interrupt_pending;
+  u32 interrupt_pending;
 } vnet_device_and_queue_t;
 
 typedef struct