Re: [PATCH] Disable kcov for slb routines.
From: Satheesh Rajendran <hidden>
Date: 2019-03-07 04:39:23
On Mon, Mar 04, 2019 at 01:55:51PM +0530, Mahesh J Salgaonkar wrote:
From: Mahesh Salgaonkar <redacted> 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 <redacted> --- arch/powerpc/mm/Makefile | 1 + 1 file changed, 1 insertion(+)
Fixes: https://github.com/linuxppc/issues/issues/230 Tested-by: Satheesh Rajendran <redacted>
quoted hunk ↗ jump to hunk
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