The original kernel still exists in the memory, clear it now.

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Cc: Scott Wood <oss@buserror.net>
Cc: Diana Craciun <redacted>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Christophe Leroy <redacted>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <redacted>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Kees Cook <redacted>
---
 arch/powerpc/mm/nohash/kaslr_booke.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/nohash/kaslr_booke.c

b/arch/powerpc/mm/nohash/kaslr_booke.c
index c6f5c1db1394..ed1277059368 100644

--- a/arch/powerpc/mm/nohash/kaslr_booke.c
+++ b/arch/powerpc/mm/nohash/kaslr_booke.c

@@ -378,8 +378,10 @@ notrace void __init kaslr_early_init(void *dt_ptr,

phys_addr_t size)
 	unsigned int *__kaslr_offset = (unsigned int *)(KERNELBASE + 0x58);
 	unsigned int *__run_at_load = (unsigned int *)(KERNELBASE + 0x5c);
 
-	if (*__run_at_load == 1)
+	if (*__run_at_load == 1) {
+		kaslr_late_init();
 		return;
+	}