[Xen-changelog] [xen-unstable] X86-MCE: fix a bug of xen-mceinj tool

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Liu, Jinsong <jinsong.liu@xxxxxxxxx>
# Date 1324219200 0
# Node ID 9587ccc2ae3192fd5625a87fa58e840377471867
# Parent  5b4b7e565ab82b06940889f2be7e30042b2881fc
X86-MCE: fix a bug of xen-mceinj tool

Fix a bug of xen-mceinj tool which used to test mce by software way.

Signed-off-by: Liu, Jinsong <jinsong.liu@xxxxxxxxx>
Committed-by: Keir Fraser <keir@xxxxxxx>
---


diff -r 5b4b7e565ab8 -r 9587ccc2ae31 tools/tests/mce-test/tools/xen-mceinj.c
--- a/tools/tests/mce-test/tools/xen-mceinj.c   Sun Dec 18 14:39:14 2011 +0000
+++ b/tools/tests/mce-test/tools/xen-mceinj.c   Sun Dec 18 14:40:00 2011 +0000
@@ -134,8 +134,12 @@
 {
     struct xen_mc mc;
 
+    memset(&mc, 0, sizeof(struct xen_mc));
+
     mc.cmd = XEN_MC_physcpuinfo;
-    if (xc_mca_op(xc_handle, &mc))
+    mc.interface_version = XEN_MCA_INTERFACE_VERSION;
+
+    if (!xc_mca_op(xc_handle, &mc))
         return mc.u.mc_physcpuinfo.ncpus;
     else
         return 0;

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