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-rw-r--r--arch/powerpc/include/asm/machdep.h6
-rw-r--r--arch/powerpc/kernel/machine_kexec.c5
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 991d5998d6be..fe56a23e1ff0 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -240,6 +240,12 @@ struct machdep_calls {
* claims to support kexec.
*/
int (*machine_kexec_prepare)(struct kimage *image);
+
+ /* Called to perform the _real_ kexec.
+ * Do NOT allocate memory or fail here. We are past the point of
+ * no return.
+ */
+ void (*machine_kexec)(struct kimage *image);
#endif /* CONFIG_KEXEC */
#ifdef CONFIG_SUSPEND
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index 49a170af8145..a5f8672eeff3 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -87,7 +87,10 @@ void machine_kexec(struct kimage *image)
save_ftrace_enabled = __ftrace_enabled_save();
- default_machine_kexec(image);
+ if (ppc_md.machine_kexec)
+ ppc_md.machine_kexec(image);
+ else
+ default_machine_kexec(image);
__ftrace_enabled_restore(save_ftrace_enabled);
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