Re: [PATCH] Disable kcov for slb routines.
From: Andrew Donnellan <hidden>
Date: 2019-03-05 03:33:03
On 4/3/19 7:25 pm, 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>
Summary line needs a powerpc:
quoted hunk ↗ jump to hunk
--- 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 +KCOV_INSTRUMENT_slb.o := n
The SLB stuff isn't related to the book3e issues, I'd appreciate a separate comment here. Otherwise Acked-by: Andrew Donnellan <redacted> -- Andrew Donnellan OzLabs, ADL Canberra andrew.donnellan@au1.ibm.com IBM Australia Limited