Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756948AbcCaNyw (ORCPT ); Thu, 31 Mar 2016 09:54:52 -0400 Received: from mail-wm0-f51.google.com ([74.125.82.51]:37312 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753633AbcCaNyv (ORCPT ); Thu, 31 Mar 2016 09:54:51 -0400 From: Alexander Potapenko To: dvyukov@google.com, catalin.marinas@arm.com, quentin.casasnovas@oracle.com, will.deacon@arm.com Cc: linux-kernel@vger.kernel.org, syzkaller@googlegroups.com, linux-arm-kernel@lists.infradead.org, kcc@google.com, akpm@linux-foundation.org Subject: [PATCH v1] arm64: allow building with kcov coverage on ARM64 Date: Thu, 31 Mar 2016 15:54:45 +0200 Message-Id: <57cb1b66d85b85eadea28ef3304a62b1327ded45.1459432254.git.glider@google.com> X-Mailer: git-send-email 2.8.0.rc3.226.g39d4020 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1105 Lines: 34 Add ARCH_HAS_KCOV to ARM64 config. Disable instrumentation of arch/arm64/lib/delay.c Signed-off-by: Alexander Potapenko --- arch/arm64/Kconfig | 1 + arch/arm64/lib/Makefile | 3 +++ 2 files changed, 4 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 4f43622..c52aa61 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -7,6 +7,7 @@ config ARM64 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_HAS_KCOV select ARCH_HAS_SG_CHAIN select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_USE_CMPXCHG_LOCKREF diff --git a/arch/arm64/lib/Makefile b/arch/arm64/lib/Makefile index c86b790..b407bc1 100644 --- a/arch/arm64/lib/Makefile +++ b/arch/arm64/lib/Makefile @@ -1,3 +1,6 @@ +# Produces uninteresting flaky coverage. +KCOV_INSTRUMENT_delay.o := n + lib-y := bitops.o clear_user.o delay.o copy_from_user.o \ copy_to_user.o copy_in_user.o copy_page.o \ clear_page.o memchr.o memcpy.o memmove.o memset.o \ -- 2.8.0.rc3.226.g39d4020