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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 3E788C33CA3 for ; Fri, 10 Jan 2020 22:03:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0A1AD2082E for ; Fri, 10 Jan 2020 22:03:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578693811; bh=7SrXtY3zhTAIs5OpgjwMMDDZzdGmV1xifK4ax0OnMDI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=odzj0+iAr519jOzUi08B79mPeFrZYYApOM8NoFkSz304BfS52gu6WYqr05G22s3Bv VDfXtYWV6BXpUj3jVyaqdnNfyqKl0u9/j5vBZV3IzNqCqTu8qr0bNyWWpkZMxVH0gl J+qjostCXXhx/sd3XkueA0zvwZhXTCT6IMHY8rHA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727356AbgAJWDP (ORCPT ); Fri, 10 Jan 2020 17:03:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:48810 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727317AbgAJWDO (ORCPT ); Fri, 10 Jan 2020 17:03:14 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 55F082082E; Fri, 10 Jan 2020 22:03:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578693794; bh=7SrXtY3zhTAIs5OpgjwMMDDZzdGmV1xifK4ax0OnMDI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IFuhvM3nsvNvlFkyPMZ+qUldb/kJ6X8nWN5xH+yUASL7cnXpVd8Fn4dCd8zQX35c0 /plHbuhsWhm/V5SBGCYMoM+zqN8a0hEzBbN5rge2G+fWs6HAEZfk65wlSWSugMq2et t19sRRuu/zsrcdzzXzYmT7tRJE6S53sq7Jxrb7jA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jouni Hogander , Paul Burton , Lukas Bulwahn , linux-mips@vger.kernel.org, Sasha Levin Subject: [PATCH AUTOSEL 5.4 04/26] MIPS: Prevent link failure with kcov instrumentation Date: Fri, 10 Jan 2020 17:02:46 -0500 Message-Id: <20200110220308.27784-4-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200110220308.27784-1-sashal@kernel.org> References: <20200110220308.27784-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Jouni Hogander [ Upstream commit a4a3893114a41e365274d5fab5d9ff5acc235ff0 ] __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. Signed-off-by: Jouni Hogander Signed-off-by: Paul Burton Cc: Lukas Bulwahn Cc: linux-mips@vger.kernel.org Signed-off-by: Sasha Levin --- 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 -- 2.20.1