From patchwork Mon May 28 15:44:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 137092 Delivered-To: patch@linaro.org Received: by 2002:a2e:9706:0:0:0:0:0 with SMTP id r6-v6csp2980228lji; Mon, 28 May 2018 08:45:17 -0700 (PDT) X-Google-Smtp-Source: AB8JxZoyND6jpNbBHy0YbwpIkVBd1aYx4pn7OIYMlKsgu+0pVcy9InaxRDyK+UvkBE7NwMt1i4bi X-Received: by 2002:a62:581:: with SMTP id 123-v6mr14055901pff.38.1527522317312; Mon, 28 May 2018 08:45:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1527522317; cv=none; d=google.com; s=arc-20160816; b=ugkwOEvycfgsalEp2RHt38DS/pDUuO3ihpsWOL87NL9Qi3SB93jTsznR1F0xEngiPt 2/7kUXJPncFCUjrRLl0xlIMOGPQb869nLdiZezIeJRPQbYJkmTB8prgcA+KJXnQdfg78 4OfxmHhQ1aCCQUDjXmALNGT+vrnilEmhcS+yhsa4KxcdLrssRgBLC0qtfV0IhnWO/gYm L1ymnBNChY0LspvScst0nLAUT1+iKaXBZkcXs0XZoeTDivbGJdkHKh7fWazd2UM6KJ76 PjynmTqzAaZudM/l3FrLlVgS/1kxWJWgk0OELXgvvy0sXApSFmPCALmnC4Mj29ibRCwk C9KQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=iy5t2K2V7X644An2OLY1Np7CTVskaB9OlCjSmsnb4hg=; b=PWTK5hRRA+qmq7QUZmRyoSOH0v+AHE2nOiMV94gbM+JAF74G+0Fy+ASIoqlbqFf+2F /Gy/DWfhMhD1K9IskU27a8pf2SalRBQhfQpKT3u/LhKjt+NlnP+F5QqbgbJmW8j0cHld I7WsI33XCiY0WCLulgcHJ9AL6yx51u89llAGTI6gDCZ4uZoud/xTkv/OUBCm07l7TbDR 2GHGMzUKEsDx0/QT+pzXqWdKQgQ3Grztjbu4/KcjGOQv7haQkHcGf0LtNGuAHt9Yq8B2 yiqVG/iR/xnlnVX0j1t8UrE3mJFosANzOtX3LUQx6gY/WttJRYgAldJ4GBRhlKkvOKov a9zA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g3-v6si17915244pgr.291.2018.05.28.08.45.17; Mon, 28 May 2018 08:45:17 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S969191AbeE1PpO (ORCPT + 30 others); Mon, 28 May 2018 11:45:14 -0400 Received: from mout.kundenserver.de ([212.227.126.131]:44901 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S969158AbeE1PpI (ORCPT ); Mon, 28 May 2018 11:45:08 -0400 Received: from wuerfel.lan ([95.208.111.237]) by mrelayeu.kundenserver.de (mreue005 [212.227.15.129]) with ESMTPA (Nemesis) id 0LZjNw-1g28id0WsO-00lWGk; Mon, 28 May 2018 17:44:51 +0200 From: Arnd Bergmann To: Will Deacon , Russell King Cc: Arnd Bergmann , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: mcpm, perf/arm-cci: export mcpm_is_available Date: Mon, 28 May 2018 17:44:36 +0200 Message-Id: <20180528154448.2494709-1-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 X-Provags-ID: V03:K1:8tTZwYnTKOxDxKFq/cqYu/ayCt+lvD6f9sQsNhUkHXWMrD79pLg FMNFAh3m/tJ878qIHLrlk4fKgqxTFKWUKmGC5C07UqzvPa2YTHC2+uCpTvbm/B8vWJTka7S a582Nf2EYTI8VVrFRdbb1Wme7pqURo8HzgXDzXnKIDBGN/sytHXFrORrOSVEzYIo5OSGqrd ecvHHWZH7aY54pWOEjdBQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:meAKAB9w3nQ=:g3a0kjw6qhE5ENi28413Uc I+HetbjTopr9YoPTmsj95LPZ282lKmgmwjimU1vdx7xN439oILE+EIikA1Aim70193SB2HbsR R0jTUZoqg/PJV3PzNNK/+H/Z+HrmTO1SWQQTYrds6ZTVNgE44fTGNGSqKosatJpLwM6vCvmMo UiAMyKHuri0moZFXcTVoTQEGZY8RHqOGFvaKH/BigaI2YQG2/9OoIBYBTmY2h9ug3tvCfyweA aVRBNLyeYjImCEEQQ09+9UcqRDoAAtCRCC6C0yZRWu7GN/59jCWrMktzgu8+SSZEZ60/FUF2X deolmB+ZdpBG22+neLASBRpqbe372NblIug/xUEfiDsaD9UFiejn37YljeFfKCqSz2B0tyA7Z 8OtJKtP6BI4VYs4NvXmYg2GycPcgr3+1ybIim6dNYO9vbDG+JKA5wuLdYN9bdubqfjB/Yt0hK yYWpboMk9OWDVv4Z2EU08azbuKL3/Q18ZSelNJREYAYGPnrdDuYdU/aVdLd1t2Ki4NUhpuUGf cB5P+IlGOO64aytct3ejwbBq/vJEoentF3tN8k6gT4ME5lZvi3DEdy+Bk8BIcot5uKce+h0dN KKroEXobYdVaVqlTFW+rXCB1eTICvpUQmDw0RV0bisDqHr8el0XXi2OOdlu0CD9Vu+rLewQFn dVHk88UL2n6dpZeDbvabCDDe5mlK4rt3orZfK6fp8+zZ96FynrY24l0ONcu2H3qHdLP4= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that the ARM CCI PMU driver can be built as a loadable module, we get a link failure when MCPM is enabled: ERROR: "mcpm_is_available" [drivers/perf/arm-cci.ko] undefined! The simplest fix is to export that helper function. Fixes: 8b0c93c20ef7 ("perf/arm-cci: Allow building as a module") Signed-off-by: Arnd Bergmann --- The patch that caused this is currently part of the arm-perf/for-next/perf branch, it would be good to have the fix there as well. --- arch/arm/common/mcpm_entry.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.9.0 Acked-by: Russell King Acked-by: Nicolas Pitre diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c index ed9e87ddbb06..037a4479b8c3 100644 --- a/arch/arm/common/mcpm_entry.c +++ b/arch/arm/common/mcpm_entry.c @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ +#include #include #include #include @@ -174,6 +175,7 @@ bool mcpm_is_available(void) { return (platform_ops) ? true : false; } +EXPORT_SYMBOL_GPL(mcpm_is_available); /* * We can't use regular spinlocks. In the switcher case, it is possible