[RFC PATCH 16/17] powerpc/book3e-64/kexec: Set "r4 = 0" when entering spinloop

[Scott Wood]

book3e_secondary_core_init will only create a TLB entry if r4 = 0,
so do so.

Signed-off-by: Scott Wood <scottwood at freescale.com>
---
 arch/powerpc/kernel/misc_64.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index c5915f0..fb955d9 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -476,6 +476,10 @@ _GLOBAL(kexec_wait)
 #ifdef CONFIG_KEXEC		/* use no memory without kexec */
 	lwz	r4,0(r5)
 	cmpwi	0,r4,0
+#ifdef CONFIG_PPC_BOOK3E
+	/* Don't create TLB entry in book3e_secondary_core_init */
+	li	r4,0
+#endif
 	bnea	0x60
 #endif
 	b	99b
-- 
2.1.4