From patchwork Tue Feb 24 00:10:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Suresh E. Warrier" X-Patchwork-Id: 442707 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 847F214016B for ; Tue, 24 Feb 2015 11:28:22 +1100 (AEDT) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 637911A0D76 for ; Tue, 24 Feb 2015 11:28:22 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id DF83A1A0D1F for ; Tue, 24 Feb 2015 11:10:24 +1100 (AEDT) Received: by ozlabs.org (Postfix) id A1577140182; Tue, 24 Feb 2015 11:10:24 +1100 (AEDT) Delivered-To: linuxppc-dev@ozlabs.org Received: from e7.ny.us.ibm.com (e7.ny.us.ibm.com [32.97.182.137]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id DD4E3140134 for ; Tue, 24 Feb 2015 11:10:23 +1100 (AEDT) Received: from /spool/local by e7.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 23 Feb 2015 19:10:20 -0500 Received: from d01dlp03.pok.ibm.com (9.56.250.168) by e7.ny.us.ibm.com (192.168.1.107) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 23 Feb 2015 19:10:18 -0500 Received: from b01cxnp22033.gho.pok.ibm.com (b01cxnp22033.gho.pok.ibm.com [9.57.198.23]) by d01dlp03.pok.ibm.com (Postfix) with ESMTP id C0B74C9003E for ; Mon, 23 Feb 2015 19:01:28 -0500 (EST) Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t1O0AHdp19202202 for ; Tue, 24 Feb 2015 00:10:17 GMT Received: from d01av04.pok.ibm.com (localhost [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t1O0AH4l006782 for ; Mon, 23 Feb 2015 19:10:17 -0500 Received: from oc2861555856.ibm.com ([9.80.34.71]) by d01av04.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id t1O0AEf6006194 for ; Mon, 23 Feb 2015 19:10:14 -0500 Message-ID: <54EBC165.3020708@linux.vnet.ibm.com> Date: Mon, 23 Feb 2015 18:10:13 -0600 From: "Suresh E. Warrier" User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: linuxppc-dev@ozlabs.org Subject: [PATCH] powerpc: Export __spin_yield References: <1424477465-9199-2-git-send-email-warrier@linux.vnet.ibm.com> In-Reply-To: <1424477465-9199-2-git-send-email-warrier@linux.vnet.ibm.com> X-Forwarded-Message-Id: <1424477465-9199-2-git-send-email-warrier@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15022400-0037-0000-0000-000000B37EA9 X-Mailman-Approved-At: Tue, 24 Feb 2015 11:27:49 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Export __spin_yield so that the arch_spin_unlock() function can be invoked from a module. Signed-off-by: Suresh Warrier --- arch/powerpc/lib/locks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index bb7cfec..d100de8 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -41,6 +41,7 @@ void __spin_yield(arch_spinlock_t *lock) plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), yield_count); } +EXPORT_SYMBOL(__spin_yield); /* * Waiting for a read lock or a write lock on a rwlock...