On Mon, Mar 04, 2019 at 01:55:51PM +0530, Mahesh J Salgaonkar wrote: > From: Mahesh Salgaonkar <mah...@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 <mah...@linux.vnet.ibm.com> > --- > arch/powerpc/mm/Makefile | 1 + > 1 file changed, 1 insertion(+)
Fixes: https://github.com/linuxppc/issues/issues/230 Tested-by: Satheesh Rajendran <sathn...@linux.vent.ibm.com> > > 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 > +KCOV_INSTRUMENT_slb.o := n >