From 19842d67340e4a8f616552d344e97fc7452aa37a Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@in.ibm.com>
Date: Tue, 15 Nov 2005 00:09:04 -0800
Subject: [PATCH] [PATCH] drop "[PATCH] i386 kexec-on-panic: Don't shutdown the
 apics"

A patch by Eric was merged (f2b36db692b7ff6972320ad9839ae656a3b0ee3e)
and later on reverted back (1e4c85f97fe26fbd70da12148b3992c0e00361fd).

Along with above patch, another patch was posted and has been merged
(3d1675b41b02d64bd1185903ea0d25a8c0bb6dea).  That patch was dependent on
the above patch and now it should also be reverted.

Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/i386/kernel/crash.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c
index af809ccf5f..0248e08401 100644
--- a/arch/i386/kernel/crash.c
+++ b/arch/i386/kernel/crash.c
@@ -21,6 +21,7 @@
 #include <asm/hardirq.h>
 #include <asm/nmi.h>
 #include <asm/hw_irq.h>
+#include <asm/apic.h>
 #include <mach_ipi.h>
 
 
@@ -147,6 +148,7 @@ static int crash_nmi_callback(struct pt_regs *regs, int cpu)
 		regs = &fixed_regs;
 	}
 	crash_save_this_cpu(regs, cpu);
+	disable_local_APIC();
 	atomic_dec(&waiting_for_crash_ipi);
 	/* Assume hlt works */
 	halt();
@@ -186,6 +188,7 @@ static void nmi_shootdown_cpus(void)
 	}
 
 	/* Leave the nmi callback set */
+	disable_local_APIC();
 }
 #else
 static void nmi_shootdown_cpus(void)
@@ -210,5 +213,9 @@ void machine_crash_shutdown(struct pt_regs *regs)
 	/* Make a note of crashing cpu. Will be used in NMI callback.*/
 	crashing_cpu = smp_processor_id();
 	nmi_shootdown_cpus();
+	lapic_shutdown();
+#if defined(CONFIG_X86_IO_APIC)
+	disable_IO_APIC();
+#endif
 	crash_save_self(regs);
 }
-- 
2.11.4.GIT