lguest: move panic notifier registration to its expected place.

We used to defer it, so lockdep was happy.  We now init lockdep early
anyway, so just do it after that.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 4cb7d5d..7e59dc1 100644 (file)
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1135,11 +1135,6 @@ static struct notifier_block paniced = {
 /* Setting up memory is fairly easy. */
 static __init char *lguest_memory_setup(void)
 {
-       /* We do this here and not earlier because lockcheck used to barf if we
-        * did it before start_kernel().  I think we fixed that, so it'd be
-        * nice to move it back to lguest_init.  Patch welcome... */
-       atomic_notifier_chain_register(&panic_notifier_list, &paniced);
-
        /*
         *The Linux bootloader header contains an "e820" memory map: the
         * Launcher populated the first entry with our memory limit.
@@ -1364,10 +1359,13 @@ __init void lguest_init(void)
 
        /*
         * If we don't initialize the lock dependency checker now, it crashes
-        * paravirt_disable_iospace.
+        * atomic_notifier_chain_register, then paravirt_disable_iospace.
         */
        lockdep_init();
 
+       /* Hook in our special panic hypercall code. */
+       atomic_notifier_chain_register(&panic_notifier_list, &paniced);
+
        /*
         * The IDE code spends about 3 seconds probing for disks: if we reserve
         * all the I/O ports up front it can't get them and so doesn't probe.