[PATCH] Disable kcov for slb routines.

Mahesh J Salgaonkar mahesh at linux.vnet.ibm.com
Mon Mar 4 19:25:51 AEDT 2019

From: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>

The kcov instrumentation inside SLB routines causes duplicate SLB entries
to be added resulting into SLB multihit machine checks.
Disable kcov instrumentation on slb.o

Signed-off-by: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>
 arch/powerpc/mm/Makefile |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index d4d32e229ace..f9cb40684746 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -60,3 +60,4 @@ obj-$(CONFIG_PPC_MEM_KEYS)	+= pkeys.o
 # This is necessary for booting with kcov enabled on book3e machines
 KCOV_INSTRUMENT_tlb_nohash.o := n
 KCOV_INSTRUMENT_fsl_booke_mmu.o := n

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