From: Benjamin Gray <bg...@linux.ibm.com> [ Upstream commit ccb381e1af1ace292153c88eb1fffa5683d16a20 ]
As per the generic KASAN code in mm/kasan, disable KCOV with KCOV_INSTRUMENT := n in the makefile. This fixes a ppc64 boot hang when KCOV and KASAN are enabled. kasan_early_init() gets called before a PACA is initialised, but the KCOV hook expects a valid PACA. Suggested-by: Christophe Leroy <christophe.le...@csgroup.eu> Signed-off-by: Benjamin Gray <bg...@linux.ibm.com> Signed-off-by: Michael Ellerman <m...@ellerman.id.au> Link: https://msgid.link/20230710044143.146840-1-bg...@linux.ibm.com Signed-off-by: Sasha Levin <sas...@kernel.org> --- arch/powerpc/mm/kasan/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/mm/kasan/Makefile b/arch/powerpc/mm/kasan/Makefile index bb1a5408b86b2..8636b17c6a20f 100644 --- a/arch/powerpc/mm/kasan/Makefile +++ b/arch/powerpc/mm/kasan/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 KASAN_SANITIZE := n +KCOV_INSTRUMENT := n obj-$(CONFIG_PPC32) += kasan_init_32.o obj-$(CONFIG_PPC_8xx) += 8xx.o -- 2.40.1
