[IA64] Make crash command happy

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

Signed-off-by: Dave Anderson <anderson@redhat.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>

diff --git a/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c b/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c
index 4158332846308e5281cea2e62550137b5ea7a2bd..ecf770645d710dd2eb2a77679f7b2120dc825e2f 100644 (file)
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c
@@ -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;
 }