[Xen-changelog] [xen-unstable] [IA64] Make crash command happy

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User awilliam@xxxxxxxxxxxx
# Date 1168629245 25200
# Node ID 5d328ef9da712ef1640e2086c17cc7c6f255f47f
# Parent  8835443fa3b37b5dde5e71a0e7ca49b9237b9cda
[IA64] Make crash command happy

As Dave requested, call unw_init_running() and save ksp before SHUTDOWN_crash.

Signed-off-by: Dave Anderson <anderson@xxxxxxxxxx>
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
 linux-2.6-xen-sparse/arch/ia64/kernel/setup.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletion(-)

diff -r 8835443fa3b3 -r 5d328ef9da71 
linux-2.6-xen-sparse/arch/ia64/kernel/setup.c
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c     Fri Jan 12 12:03:38 
2007 -0700
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c     Fri Jan 12 12:14:05 
2007 -0700
@@ -77,10 +77,18 @@ EXPORT_SYMBOL(__per_cpu_offset);
 #endif
 
 #ifdef CONFIG_XEN
+static void
+xen_panic_hypercall(struct unw_frame_info *info, void *arg)
+{
+       current->thread.ksp = (__u64)info->sw - 16;
+       HYPERVISOR_shutdown(SHUTDOWN_crash);
+       /* we're never actually going to get here... */
+}
+
 static int
 xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
 {
-       HYPERVISOR_shutdown(SHUTDOWN_crash);
+       unw_init_running(xen_panic_hypercall, NULL);
        /* we're never actually going to get here... */
        return NOTIFY_DONE;
 }

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