From patchwork Thu Jan 12 03:05:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nathan Chancellor X-Patchwork-Id: 13097417 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92708C63797 for ; Thu, 12 Jan 2023 03:05:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235789AbjALDFp (ORCPT ); Wed, 11 Jan 2023 22:05:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235894AbjALDFn (ORCPT ); Wed, 11 Jan 2023 22:05:43 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB2E348817; Wed, 11 Jan 2023 19:05:42 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 696AB61F3B; Thu, 12 Jan 2023 03:05:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4360C433A7; Thu, 12 Jan 2023 03:05:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673492742; bh=110YiaA7E6BQNria0n3mQxxC9p3c/B3/YRXtsHDJjbg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Bh/96oZEBZSxz6+OdCqLSVwNd+oJF62jkYmaVfIgIGhuq14YZq7oxwp5/jUMnrVKG A2eyxE+H6TwaKhmKGFlxB6MWqbZS7kHiKUFajXqlMcWuZfrmXx+sxx7cN4oZTR3HTW /XgwVCTLnc3WnkmreeeCHWbupMpOo3dF1LtTsHXJxLrVSE/emr8F4Y5INneFWKSjWq XXqR378df843xtGMld30B59wdEaozicgbHHGsOV6/gvYL2UOv0aTCNMClXfODUWaEx Tj1LKGrO2HwphZvsGcXefubTT6Y9OaSFka0cDffkd9ea8UL/pi4eKxDJrmLEJyhNq2 2zx5txMNfbYWQ== From: Nathan Chancellor Date: Wed, 11 Jan 2023 20:05:07 -0700 Subject: [PATCH v2 10/14] s390/vdso: Drop '-shared' from KBUILD_CFLAGS_64 MIME-Version: 1.0 Message-Id: <20221228-drop-qunused-arguments-v2-10-9adbddd20d86@kernel.org> References: <20221228-drop-qunused-arguments-v2-0-9adbddd20d86@kernel.org> In-Reply-To: <20221228-drop-qunused-arguments-v2-0-9adbddd20d86@kernel.org> To: masahiroy@kernel.org Cc: ndesaulniers@google.com, nicolas@fjasle.eu, trix@redhat.com, linux-kbuild@vger.kernel.org, llvm@lists.linux.dev, Nathan Chancellor , Heiko Carstens , Sven Schnelle , linux-s390@vger.kernel.org X-Mailer: b4 0.12-dev-78c63 X-Developer-Signature: v=1; a=openpgp-sha256; l=1325; i=nathan@kernel.org; h=from:subject:message-id; bh=110YiaA7E6BQNria0n3mQxxC9p3c/B3/YRXtsHDJjbg=; b=owGbwMvMwCEmm602sfCA1DTG02pJDMn7K347yU29/XzFqa1901XTOX88OZs5+f3fjc43RWv0Tlec XXzcvaOUhUGMg0FWTJGl+rHqcUPDOWcZb5yaBDOHlQlkCAMXpwBMJH8vwz/L2aZtDYyHZggvfbmdYc eOXesXx2VL/rxiXZywPXm+zdo/jAxfvtyM1z4ZlbZD5s/S/wIL4vVcX+76+1rfSFOj9+N6kz2cAA== X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org When clang's -Qunused-arguments is dropped from KBUILD_CPPFLAGS, it points out that there is a linking phase flag added to CFLAGS, which will only be used for compiling clang-16: error: argument unused during compilation: '-shared' [-Werror,-Wunused-command-line-argument] '-shared' is already present in ldflags-y so it can just be dropped. Fixes: 2b2a25845d53 ("s390/vdso: Use $(LD) instead of $(CC) to link vDSO") Signed-off-by: Nathan Chancellor Acked-by: Heiko Carstens Reviewed-by: Sven Schnelle --- Cc: linux-s390@vger.kernel.org --- arch/s390/kernel/vdso64/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index a2fe9383d452..34f9542636e9 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -25,7 +25,7 @@ KBUILD_AFLAGS_64 := $(filter-out -m64,$(KBUILD_AFLAGS)) KBUILD_AFLAGS_64 += -m64 KBUILD_CFLAGS_64 := $(filter-out -m64,$(KBUILD_CFLAGS)) -KBUILD_CFLAGS_64 += -m64 -fPIC -shared -fno-common -fno-builtin +KBUILD_CFLAGS_64 += -m64 -fPIC -fno-common -fno-builtin ldflags-y := -fPIC -shared -soname=linux-vdso64.so.1 \ --hash-style=both --build-id=sha1 -T