On Fri, Oct 16, 2015 at 07:01:55PM -0500, Scott Wood wrote:

On Tue, Aug 18, 2015 at 03:55:56PM +0800, Kevin Hao wrote:

quoted

diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index e4185581c5a7..3a5b89dfb5a1 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S

@@ -68,11 +68,21 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV)
 	ld	r14,PACAPGD(r13)
 	std	r15,EX_TLB_R15(r12)
 	std	r10,EX_TLB_CR(r12)
+#ifdef CONFIG_PPC_FSL_BOOK3E
+BEGIN_FTR_SECTION
+	std	r7,EX_TLB_R7(r12)
+END_FTR_SECTION_IFSET(CPU_FTR_SMT)
+#endif
 	TLB_MISS_PROLOG_STATS
 .endm
 
 .macro tlb_epilog_bolted
 	ld	r14,EX_TLB_CR(r12)
+#ifdef CONFIG_PPC_FSL_BOOK3E
+BEGIN_FTR_SECTION
+	ld	r7,EX_TLB_R7(r12)
+END_FTR_SECTION_IFSET(CPU_FTR_SMT)
+#endif

r7 is used outside the CPU_FTR_SMT section of the e6500 TLB handler.

Sorry for the delay response just back from vacation. I will move the load
of TCD_ESEL_NEXT out of CPU_FTR_SMT wrap.

Thanks,
Kevin