From patchwork Thu Feb 13 16:16:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincenzo Frascino X-Patchwork-Id: 11380785 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 87DDA13A4 for ; Thu, 13 Feb 2020 16:21:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 622C52082F for ; Thu, 13 Feb 2020 16:21:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="M7L8sLh6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 622C52082F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=61gmF3fAI+mgxjIem3pjBB0qZt+Duyd/YLWGuP9FKVw=; b=M7L8sLh69af//1 txYtg3f6e9FjTu7MbXgse0iciraWUfBLjh+Jy+hardC6p5oiXGC6OgsNGW8pYh5QAzdM0VwuGig9c 12nhmIl4wztUrFL5shDzzbOdBKK3QZuEJcuOGo073T4nWXC1fko2hFdCZ4YRLPvdcF1hzH9t29533 SlpSIXPXfOXQIKJcuums6EB6JSaZkrYFxkdqlVpr5wkEpMY85lBVTMzqbzjNRFpxJonXF3rA9koaT ZsBL4YZ08ARdk2tpBbkGytAAaGk4fpiprg2JOCjQDHRw0SaBPQinWq9GtT1sKkRVaWjKrjVQEcE5U gRfEQ13Y+1etXSzaIXLw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j2HFJ-0001RK-TT; Thu, 13 Feb 2020 16:21:45 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j2HBH-0004Yb-Mb for linux-arm-kernel@lists.infradead.org; Thu, 13 Feb 2020 16:17:37 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 26D1C328; Thu, 13 Feb 2020 08:17:35 -0800 (PST) Received: from e119884-lin.cambridge.arm.com (e119884-lin.cambridge.arm.com [10.1.196.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9B5A03F6CF; Thu, 13 Feb 2020 08:17:32 -0800 (PST) From: Vincenzo Frascino To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, clang-built-linux@googlegroups.com, x86@kernel.org Subject: [PATCH 19/19] arm64: vdso32: Enable Clang Compilation Date: Thu, 13 Feb 2020 16:16:14 +0000 Message-Id: <20200213161614.23246-20-vincenzo.frascino@arm.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200213161614.23246-1-vincenzo.frascino@arm.com> References: <20200213161614.23246-1-vincenzo.frascino@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200213_081735_787100_2A73D6C7 X-CRM114-Status: UNSURE ( 8.85 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [217.140.110.172 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ndesaulniers@google.com, 0x7f454c46@gmail.com, avagin@openvz.org, arnd@arndb.de, sboyd@kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, linux@armlinux.org.uk, salyzyn@android.com, paul.burton@mips.com, mingo@redhat.com, bp@alien8.de, luto@kernel.org, tglx@linutronix.de, pcc@google.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Enable Clang Compilation for the vdso32 library. Cc: Catalin Marinas Cc: Will Deacon Signed-off-by: Vincenzo Frascino --- arch/arm64/kernel/vdso32/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index 04df57b43cb1..209639101044 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -11,8 +11,10 @@ include $(srctree)/lib/vdso/Makefile # Same as cc-*option, but using CC_COMPAT instead of CC ifeq ($(CONFIG_CC_IS_CLANG), y) CC_COMPAT ?= $(CC) +LD_COMPAT ?= $(CROSS_COMPILE_COMPAT)gcc else CC_COMPAT ?= $(CROSS_COMPILE_COMPAT)gcc +LD_COMPAT ?= $(CC_COMPAT) endif cc32-option = $(call try-run,\ @@ -171,7 +173,7 @@ quiet_cmd_vdsold_and_vdso_check = LD32 $@ cmd_vdsold_and_vdso_check = $(cmd_vdsold); $(cmd_vdso_check) quiet_cmd_vdsold = LD32 $@ - cmd_vdsold = $(CC_COMPAT) -Wp,-MD,$(depfile) $(VDSO_LDFLAGS) \ + cmd_vdsold = $(LD_COMPAT) -Wp,-MD,$(depfile) $(VDSO_LDFLAGS) \ -Wl,-T $(filter %.lds,$^) $(filter %.o,$^) -o $@ quiet_cmd_vdsocc = CC32 $@ cmd_vdsocc = $(CC_COMPAT) -Wp,-MD,$(depfile) $(VDSO_CFLAGS) -c -o $@ $<