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-rw-r--r--arch/ppc/kernel/machine_kexec.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/ppc/kernel/machine_kexec.c b/arch/ppc/kernel/machine_kexec.c
index 84d65a87191..a72787747df 100644
--- a/arch/ppc/kernel/machine_kexec.c
+++ b/arch/ppc/kernel/machine_kexec.c
@@ -28,6 +28,12 @@ typedef NORET_TYPE void (*relocate_new_kernel_t)(
const extern unsigned char relocate_new_kernel[];
const extern unsigned int relocate_new_kernel_size;
+/*
+ * Provide a dummy crash_notes definition while crash dump arrives to ppc.
+ * This prevents breakage of crash_notes attribute in kernel/ksysfs.c.
+ */
+void *crash_notes = NULL;
+
void machine_shutdown(void)
{
if (ppc_md.machine_shutdown)