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,URIBL_BLOCKED,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 02341C433DF for ; Mon, 29 Jun 2020 20:12:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C6B7A20675 for ; Mon, 29 Jun 2020 20:12:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593461539; bh=U/ajtNUXgrI79PR52vEqduc3fXP2kxHpfe7LhEmubNI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ws3z0ob16jq7rNnEJeUhW1dWEc4bfKjj7H712t/lA0pjMrjqGOriiDlPDtyGs3ljS w5yr1Feo1d69UlYU+2yCxbpBkdAIAtJ2qWbFqp0MxDlH7PVSJyObd4q59RG3l+Aal6 60syJBu9eJ0LnLEwK08QKkbX5wLfb02rN/Bjj8tw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730490AbgF2UMT (ORCPT ); Mon, 29 Jun 2020 16:12:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:40606 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732876AbgF2TaU (ORCPT ); Mon, 29 Jun 2020 15:30:20 -0400 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 6832A2528E; Mon, 29 Jun 2020 15:36:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593445000; bh=U/ajtNUXgrI79PR52vEqduc3fXP2kxHpfe7LhEmubNI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GNMiOx9V9Gjm+8VKZIUFEvrCb8xv04TKO3OcCfpQxZiIG1WxDFGBwwuRT7/qqHvvt x6cFbrqEUeMObZdFSO1+gwUO531G/oceU+kci3Fc3L0IMSXH4tdKcZhcjAl9wRKfjU r79UPtxZIGSFL0d5rBZIUI5Z9RtqHoTUubpKxU5w= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Will Deacon , Dave Martin , Qian Cai , Sasha Levin Subject: [PATCH 4.19 100/131] arm64: sve: Fix build failure when ARM64_SVE=y and SYSCTL=n Date: Mon, 29 Jun 2020 11:34:31 -0400 Message-Id: <20200629153502.2494656-101-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629153502.2494656-1-sashal@kernel.org> References: <20200629153502.2494656-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.131-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.19.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.19.131-rc1 X-KernelTest-Deadline: 2020-07-01T15:34+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Will Deacon [ Upstream commit e575fb9e76c8e33440fb859572a8b7d430f053d6 ] When I squashed the 'allnoconfig' compiler warning about the set_sve_default_vl() function being defined but not used in commit 1e570f512cbd ("arm64/sve: Eliminate data races on sve_default_vl"), I accidentally broke the build for configs where ARM64_SVE is enabled, but SYSCTL is not. Fix this by only compiling the SVE sysctl support if both CONFIG_SVE=y and CONFIG_SYSCTL=y. Cc: Dave Martin Reported-by: Qian Cai Link: https://lore.kernel.org/r/20200616131808.GA1040@lca.pw Signed-off-by: Will Deacon Signed-off-by: Sasha Levin --- arch/arm64/kernel/fpsimd.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index af59b42973141..177363abbd3e3 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -315,7 +315,7 @@ static unsigned int find_supported_vector_length(unsigned int vl) return sve_vl_from_vq(bit_to_vq(bit)); } -#ifdef CONFIG_SYSCTL +#if defined(CONFIG_ARM64_SVE) && defined(CONFIG_SYSCTL) static int sve_proc_do_default_vl(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, @@ -361,9 +361,9 @@ static int __init sve_sysctl_init(void) return 0; } -#else /* ! CONFIG_SYSCTL */ +#else /* ! (CONFIG_ARM64_SVE && CONFIG_SYSCTL) */ static int __init sve_sysctl_init(void) { return 0; } -#endif /* ! CONFIG_SYSCTL */ +#endif /* ! (CONFIG_ARM64_SVE && CONFIG_SYSCTL) */ #define ZREG(sve_state, vq, n) ((char *)(sve_state) + \ (SVE_SIG_ZREG_OFFSET(vq, n) - SVE_SIG_REGS_OFFSET)) -- 2.25.1