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maheshsalmpe
maheshsal
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mpe
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powerpc/mm: Disable kcov for SLB routines
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@linux.vnet.ibm.com> Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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‎arch/powerpc/mm/Makefile

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@@ -52,3 +52,6 @@ obj-$(CONFIG_PPC_MEM_KEYS) += pkeys.o
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# This is necessary for booting with kcov enabled on book3e machines
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KCOV_INSTRUMENT_tlb_nohash.o := n
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KCOV_INSTRUMENT_fsl_booke_mmu.o := n
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# Instrumenting the SLB fault path can lead to duplicate SLB entries
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KCOV_INSTRUMENT_slb.o := n

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