From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 025F0C43603 for ; Mon, 9 Dec 2019 12:37:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C3BC7214D8 for ; Mon, 9 Dec 2019 12:37:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=unikie-com.20150623.gappssmtp.com header.i=@unikie-com.20150623.gappssmtp.com header.b="DaTTSQGp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727502AbfLIMhQ (ORCPT ); Mon, 9 Dec 2019 07:37:16 -0500 Received: from mail-lj1-f195.google.com ([209.85.208.195]:37162 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727074AbfLIMhQ (ORCPT ); Mon, 9 Dec 2019 07:37:16 -0500 Received: by mail-lj1-f195.google.com with SMTP id u17so15443743lja.4 for ; Mon, 09 Dec 2019 04:37:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unikie-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=GiXpIaD3VJjUBpbqY25RmlTMgg78Egsv8eWQ1U/XvHg=; b=DaTTSQGptwgzSUwlKMKpHnEdfmTG2Xk+NsFw6C7tL1ZfykE2sITGqwTjarUf4bs59K Ao0WhZSU/uh0tzqOo455Q7C/Tm1BTWN1znZDtUryLQUs9lBf6ARkg9tjpmrgTnnpFsHr 9yhEZMBOyaP2D/BAOoucLDtc7lBpiBbZ4B5wOcYTHBjPDr+/Kr+K0mS2zTkTXaUnq3+b a/L7haNvyEkXVlIue0E+Dq4KeEs9JVTo8CnIvBdrDBqIBodNR+F80eaZg4Qh+diXbr7Y QLsTkTA6Ve2ZI3wIvvGjOHQ4grqNZmZph43H2CLYWcICvPbAbsnsjoRZiAdg1OsFJg/F 0xlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=GiXpIaD3VJjUBpbqY25RmlTMgg78Egsv8eWQ1U/XvHg=; b=Q6b608D0ERoy2pQTUSyHlb8BCC0TyCZpA9zGnofKcOzk2Nxeh4oW0N5nfMpVu2uMh+ EQDfAGXDszlkW0aX/vrJL6U7+5jPbnkR3b0WzBQpWsjLB4AZ2CUtdBiX2yqTITYOibZK uss+cqXW9qih2U5n+67BXJamnUIIceCkTUu1XE/Wnj7wXekQ4POsVPfdnA+xlleBDzzF tNV/SmeWlWfIsv0FhxXmL7lGXuXy4Nxm1WiMvcKz8FGNiEgeNZMHqm1pDbkdw+X6nmSF 5iBiebBKwZ0Ll1F44uAlaelas+jZ0fsFUF7eCQaTzejLVxqSOTxIo4gRFLs4iv2h3ew9 Muvg== X-Gm-Message-State: APjAAAX/VOYX8mCAkJG6qAddjHdJ5BGWiY5iIsRwwi86J9tLGVE2SosB +ZWkzAFV/aCuWuJIrMhMeZJK7jg5uY4= X-Google-Smtp-Source: APXvYqyDYCTARNmLB3hVS1u2JjHg9QFOOkVVghm1nD7khMV8TSOt9m8SflF0jnqfTN1jtfrdrRH3HA== X-Received: by 2002:a2e:8015:: with SMTP id j21mr17055063ljg.172.1575895034385; Mon, 09 Dec 2019 04:37:14 -0800 (PST) Received: from localhost.localdomain ([109.204.235.119]) by smtp.gmail.com with ESMTPSA id d11sm10784501lfj.3.2019.12.09.04.37.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Dec 2019 04:37:13 -0800 (PST) From: jouni.hogander@unikie.com To: linux-mips@vger.kernel.org Cc: Jouni Hogander , Paul Burton , Lukas Bulwahn Subject: [PATCH] MIPS: Prevent link failure with kcov instrumentation Date: Mon, 9 Dec 2019 14:37:07 +0200 Message-Id: <20191209123707.19693-1-jouni.hogander@unikie.com> X-Mailer: git-send-email 2.17.1 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Jouni Hogander __sanitizer_cov_trace_pc() is not linked in and causing link failure if KCOV_INSTRUMENT is enabled. Fix this by disabling instrumentation for compressed image. Cc: Paul Burton Cc: Lukas Bulwahn Signed-off-by: Jouni Hogander --- arch/mips/boot/compressed/Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 172801ed35b8..d859f079b771 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -29,6 +29,9 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS) +# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. +KCOV_INSTRUMENT := n + # decompressor objects (linked with vmlinuz) vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o -- 2.17.1