From: Radim Krčmář <rkrcmar@redhat.com>
Date: Tue, 13 May 2014 16:56:25 +0000 (+0200)
Subject: xen/x86: set panic notifier priority to minimum
X-Git-Tag: firefly_0821_release~176^2~3537^2~20
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bc5eb20161ad742a38b7b4deda393e577ade669b;p=firefly-linux-kernel-4.4.55.git

xen/x86: set panic notifier priority to minimum

Execution is not going to continue after telling Xen about the crash.
Let other panic notifiers run by postponing the final hypercall as much
as possible.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
---

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 201d09a7c46b..662bdcbbbd18 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1339,6 +1339,7 @@ xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
 
 static struct notifier_block xen_panic_block = {
 	.notifier_call= xen_panic_event,
+	.priority = INT_MIN
 };
 
 int xen_panic_handler_init(void)