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=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 DD281C43603 for ; Tue, 10 Dec 2019 17:50:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BE7A320637 for ; Tue, 10 Dec 2019 17:50:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727645AbfLJRuV (ORCPT ); Tue, 10 Dec 2019 12:50:21 -0500 Received: from mail-ed1-f67.google.com ([209.85.208.67]:45751 "EHLO mail-ed1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727566AbfLJRuV (ORCPT ); Tue, 10 Dec 2019 12:50:21 -0500 Received: by mail-ed1-f67.google.com with SMTP id v28so16704701edw.12; Tue, 10 Dec 2019 09:50:19 -0800 (PST) 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:mime-version :content-transfer-encoding; bh=Gl8wdP2EUp9HIKPXPYWQGeBPIE0AvYplATcxTNQp+FQ=; b=d3Ihjq2eYRXnJk1W8uQgeCA8+nU6QL9Yj5whBTl82ZuLbKs8mut9JzZnqVbg4ngu2i uJdo2wwQihLVjTqVloNbSwmwtRTfdXDiIaTh0c7Ivu6ddqSVOYESvVEuyhS+zTxDfi3i 8XIn2N8p5iMtC6d6j5/1Y4/B+DTHwJH/oGTH7wvgEGXi+ribVzPMAbrDjgnqdrGWKyKZ 2eLvSGMoKBnLrKDHgOC7VXKWRT+s8AHr+4TqmX72NmKsZBbA4LqcZVJyR7dmB5Rpa4cx ILNRX8Lmq26fkKZ/Q8vSA45WD4xTs2WP+pMbZRTkUPnRx29jDRRbykyMI2+Ku6lQ1dsN bgJA== X-Gm-Message-State: APjAAAVCB3BHdmYR2vBTLJigjDlFsMNJoQd8jsFzZTiARmJCVjnk3rQm COQwiMXH+g9Cb2KC7sM5BjA= X-Google-Smtp-Source: APXvYqyt9Abl1Mcv8OW3/2jNBm+jIQ4W9TAi2s4z1zMqvJqLcaG878AzjWy4uzYOz9hDOq7HfKCtHA== X-Received: by 2002:a50:ec1a:: with SMTP id g26mr40376626edr.164.1576000219268; Tue, 10 Dec 2019 09:50:19 -0800 (PST) Received: from green.intra.ispras.ru (bran.ispras.ru. [83.149.199.196]) by smtp.googlemail.com with ESMTPSA id d20sm111782ejc.0.2019.12.10.09.50.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Dec 2019 09:50:18 -0800 (PST) From: Denis Efremov To: Ralf Baechle Cc: Denis Efremov , Paul Burton , James Hogan , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] MIPS: disable kcov instrumentation in compressed dir Date: Tue, 10 Dec 2019 20:50:02 +0300 Message-Id: <20191210175002.981-1-efremov@linux.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This patch fixes the compilation with CONFIG_KCOV enabled. Otherwise linking fails with: ld: arch/mips/boot/compressed/piggy.o: in function `main': dummy.c:(.text.startup+0x8): undefined reference to `__sanitizer_cov_...' make[1]: *** [arch/mips/boot/compressed/Makefile:101: vmlinuz] Error 1 Signed-off-by: Denis Efremov --- 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