xen: fix backport of previous kexec patch

Orabug: 22623832

Fixes the backport of 0b34a166f291d255755be46e43ed5497cdd194f2 upstream

Commit 0b34a166f291d255755be46e43ed5497cdd194f2 "x86/xen: Support
kexec/kdump in HVM guests by doing a soft reset" has been added to the
4.2-stable tree" needed to correct the CONFIG variable, as
CONFIG_KEXEC_CORE only showed up in 4.3.

Reported-by: David Vrabel <david.vrabel@citrix.com>
Reported-by: Luis Henriques <luis.henriques@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit e4338aeff6aab3640c2925844f4e5e53746cd3d9)
Signed-off-by: Dan Duval <dan.duval@oracle.com>

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 0cc657160cb693aa9e22369bbf68f7fa7dd11b65..a10ed8915bf49bfc2f9b04c21bca7b385ed6b295 100644 (file)
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -33,7 +33,7 @@
 #include <linux/memblock.h>
 #include <linux/edd.h>
 
-#ifdef CONFIG_KEXEC_CORE
+#ifdef CONFIG_KEXEC
 #include <linux/kexec.h>
 #endif
 
@@ -1802,7 +1802,7 @@ static struct notifier_block xen_hvm_cpu_notifier = {
        .notifier_call  = xen_hvm_cpu_notify,
 };
 
-#ifdef CONFIG_KEXEC_CORE
+#ifdef CONFIG_KEXEC
 static void xen_hvm_shutdown(void)
 {
        native_machine_shutdown();
@@ -1836,7 +1836,7 @@ static void __init xen_hvm_guest_init(void)
        x86_init.irqs.intr_init = xen_init_IRQ;
        xen_hvm_init_time_ops();
        xen_hvm_init_mmu_ops();
-#ifdef CONFIG_KEXEC_CORE
+#ifdef CONFIG_KEXEC
        machine_ops.shutdown = xen_hvm_shutdown;
        machine_ops.crash_shutdown = xen_hvm_crash_shutdown;
 #endif