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: 10433463 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C7622602CB for ; Mon, 28 May 2018 15:45:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B5C07289DD for ; Mon, 28 May 2018 15:45:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A8F14289F2; Mon, 28 May 2018 15:45:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3AE68289DD for ; Mon, 28 May 2018 15:45:11 +0000 (UTC) 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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:In-Reply-To: References:List-Owner; bh=RXdsFuyA6EXd7onO8KU+5L0NVhKTDdUhMEpywntWGJ0=; b=eSt sSnQevGJGxeDwfar3n+GOcu2Zm2M3E14qrFcjTQs8bzjwcRAtS6Hi4/6XtMoagMiHHElWNdhV7YjF p6Wy6RfKYdgBiqJkadY0sKxS5vjyy2wUYSG2todbCPS+3f7mQWcC6s3MhzWrgXHRMWhkNL0M6J7IL ivQo5zpkT2iE2jMZBYl1BhnVYwWv0rVFujvh0MnLbDjDTGAJ+6g6KSp73AUnj7fVyZLoRU0w1uYjQ 214Xx/F4m2NPIbsqVTY1wQktvBZAPQODYJKvsR0p9N7/Lfr11icEj+ojW2bwmeWtdbS6nP4+esCck 9a++vpJ0GXMJCkhf2sz0OiMX9CDApig==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fNKKb-0005tP-W1; Mon, 28 May 2018 15:45:10 +0000 Received: from mout.kundenserver.de ([212.227.126.131]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fNKKX-0005cQ-6l for linux-arm-kernel@lists.infradead.org; Mon, 28 May 2018 15:45:06 +0000 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 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= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180528_084505_578973_9B22C101 X-CRM114-Status: GOOD ( 11.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, Arnd Bergmann , linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Acked-by: Russell King Acked-by: Nicolas Pitre --- 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(+) 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