From patchwork Wed Jan 28 19:48:08 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 5729071 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 75B669F1AF for ; Wed, 28 Jan 2015 19:51:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BB523202D1 for ; Wed, 28 Jan 2015 19:51:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E8EE92027D for ; Wed, 28 Jan 2015 19:51:00 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YGYcB-00089k-AH; Wed, 28 Jan 2015 19:49:27 +0000 Received: from mout.kundenserver.de ([212.227.17.24]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YGYbc-0007og-W9 for linux-arm-kernel@lists.infradead.org; Wed, 28 Jan 2015 19:48:53 +0000 Received: from wuerfel.lan. ([149.172.15.242]) by mrelayeu.kundenserver.de (mreue104) with ESMTPSA (Nemesis) id 0LcxSS-1XqGL41WsK-00iCM6; Wed, 28 Jan 2015 20:48:26 +0100 From: Arnd Bergmann To: Russell King Subject: [PATCH 01/15] ARM: always select IRQ_WORK on SMP Date: Wed, 28 Jan 2015 20:48:08 +0100 Message-Id: <1422474502-3097078-2-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 2.1.0.rc2 In-Reply-To: <1422474502-3097078-1-git-send-email-arnd@arndb.de> References: <1422474502-3097078-1-git-send-email-arnd@arndb.de> X-Provags-ID: V03:K0:gxom06qfvjIEJFftiHGfRUGgwZeE8p45dRBninq51i4sHyE7DXi Avyo6Ve128MUvB/ecs93NbbIRrve4ndIdhGFq0wzfmsh9obA2da8a5HZEf8dcYv7GSRjLKm 83q4KJADDrovrPNp9gOyISCRh7YC44qTZhFBtn9g3qUthjS2Aczdr6XkE3JK9pDIWolZ/Cp Lu0embSiaD4kXSg7hF5oQ== X-UI-Out-Filterresults: notjunk:1; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150128_114853_375863_614C2DF9 X-CRM114-Status: UNSURE ( 8.77 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: Arnd Bergmann , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Any SMP kernel now requires the irq_work code after generic_smp_call_function_single_interrupt() started using it, or we get: kernel/built-in.o: In function `flush_smp_call_function_queue': :(.text+0x4dc3a): undefined reference to `irq_work_run' Signed-off-by: Arnd Bergmann Fixes: 478850160636c4f ("irq_work: Implement remote queueing") --- arch/arm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b7495d5a1316..c0ad9e62192b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1316,6 +1316,7 @@ config SMP depends on GENERIC_CLOCKEVENTS depends on HAVE_SMP depends on MMU || ARM_MPU + select IRQ_WORK help This enables support for systems with more than one CPU. If you have a system with only one CPU, say N. If you have a system with more