[Xen-changelog] [xen-3.2-testing] xc_ptrace: Allow gdbserver to connect to a guest before APs are

["Xen patchbot-3.2-testing" <patchbot-3.2-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1224177923 -3600
# Node ID 7637a5db6d5928bfeb156700e58b70e9c75396ad
# Parent  cac3b6ed548856fe13bb120508a319dea565a696
xc_ptrace: Allow gdbserver to connect to a guest before APs are
brought online.

Signed-off-by: Kip Macy <kmacy@xxxxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
xen-unstable changeset:   18565:8dc05a2b3beb
xen-unstable date:        Thu Oct 02 11:32:08 2008 +0100
---
 tools/libxc/xc_ptrace.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff -r cac3b6ed5488 -r 7637a5db6d59 tools/libxc/xc_ptrace.c
--- a/tools/libxc/xc_ptrace.c   Thu Oct 16 18:24:40 2008 +0100
+++ b/tools/libxc/xc_ptrace.c   Thu Oct 16 18:25:23 2008 +0100
@@ -112,17 +112,16 @@ get_online_cpumap(int xc_handle, struct 
 get_online_cpumap(int xc_handle, struct xen_domctl_getdomaininfo *d,
                   uint64_t *cpumap)
 {
-    int i, online, retval;
+    int i, online;
 
     *cpumap = 0;
     for (i = 0; i <= d->max_vcpu_id; i++) {
-        if ((retval = fetch_regs(xc_handle, i, &online)))
-            return retval;
+        fetch_regs(xc_handle, i, &online);
         if (online)
             *cpumap |= (1 << i);
     }
-
-    return 0;
+    
+    return (*cpumap == 0) ? -1 : 0;
 }
 
 /*

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