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authorRusty Russell <rusty@rustcorp.com.au>2009-09-23 22:26:42 -0600
committerRusty Russell <rusty@rustcorp.com.au>2009-09-23 22:26:44 +0930
commitcdae0ad5e8ea630017d4cad3923f763c4e6c3127 (patch)
treec54370553d8c5287b20cf19ee9976268a06af971
parentf1b0ef062602713c2c7cfa12362d5d90ed01c5f6 (diff)
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>
-rw-r--r--arch/x86/lguest/boot.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 4cb7d5d18b8..7e59dc1d3fc 100644
--- 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.