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-rw-r--r--arch/powerpc/kernel/head_64.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 11f2cd5af7d..9b65029dd2a 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -1537,6 +1537,9 @@ _STATIC(__boot_from_prom)
mr r28,r6
mr r27,r7
+ /* Align the stack to 16-byte boundary for broken yaboot */
+ rldicr r1,r1,0,59
+
/* Make sure we are running in 64 bits mode */
bl .enable_64b_mode