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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 C69F4C43612 for ; Thu, 20 Dec 2018 09:26:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8D88C217D9 for ; Thu, 20 Dec 2018 09:26:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FXvltSo/"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="hEx6s6R5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8D88C217D9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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: List-Owner; bh=qHD1+4059y3O1tPht0ATUyrf3uHK4GaivF3cfW4wvdM=; b=FXvltSo/TvPmhK +3+1cLjXRkO0aql5Q6z4ihlq0aknDw0SiCEZPxBpg7jT1ChUDqfir8G08z8JTwKtysKwRiGW5xsZd FWvUKBFLsWOkaIscUQdSk6wGgZjCZsSR9+XFitqSBKy4pjdaD/tbPkXkyhryxl3EgDnNeoez2cifK 22Py2ePg1UhGRzoZn8r/oYR4ZswMgJA7X2gtqJM66griTj9CocWA6JvWgOmGrp+9NhpSm2pdI0UHE fvWp3wpMxFnIdfvvV38B1L+WU170h+oVGBSc0M/EIHnkfyQQP2M8nbbvYItpJjiZMC+yeiTBczz6R Nc5I97QL0aXFb3xjp2QA==; 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 1gZub0-0002yC-Sv; Thu, 20 Dec 2018 09:26:22 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gZuax-0002w7-KQ for linux-arm-kernel@lists.infradead.org; Thu, 20 Dec 2018 09:26:21 +0000 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D6DC5217D9; Thu, 20 Dec 2018 09:26:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545297977; bh=g//RrL8METWwPMhlhnsTKj3bu4XG2nG50aMnPYDAwo0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hEx6s6R5UzJdcirStO7wgKEIKUuiobdEBzHKo5/W44nHTHk4r5zLp8M+zJpSbBO+S h5AFGZ9EBb8hOsIHrdxGbnVQailxympddQqERa5RHAkWHzjVv04kOeKNar1rT41P7a 2pUCSdN8Mllfry6UQTJ5XkXEv9fEY9brr2eSbXhw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Subject: [PATCH 4.14 25/72] locking/qspinlock: Remove duplicate clear_pending() function from PV code Date: Thu, 20 Dec 2018 10:18:24 +0100 Message-Id: <20181220085923.323410216@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20181220085922.332225035@linuxfoundation.org> References: <20181220085922.332225035@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181220_012619_703561_B0829ED9 X-CRM114-Status: GOOD ( 10.83 ) 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: Sasha Levin , Peter Zijlstra , Greg Kroah-Hartman , boqun.feng@gmail.com, Will Deacon , stable@vger.kernel.org, Sebastian Andrzej Siewior , Waiman Long , Thomas Gleixner , paulmck@linux.vnet.ibm.com, Linus Torvalds , Ingo Molnar , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ commit 3bea9adc96842b8a7345c7fb202c16ae9c8d5b25 upstream. The native clear_pending() function is identical to the PV version, so the latter can simply be removed. This fixes the build for systems with >= 16K CPUs using the PV lock implementation. Reported-by: Waiman Long Signed-off-by: Will Deacon Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: boqun.feng@gmail.com Cc: linux-arm-kernel@lists.infradead.org Cc: paulmck@linux.vnet.ibm.com Link: http://lkml.kernel.org/r/20180427101619.GB21705@arm.com Signed-off-by: Ingo Molnar Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Sasha Levin --- kernel/locking/qspinlock_paravirt.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/kernel/locking/qspinlock_paravirt.h b/kernel/locking/qspinlock_paravirt.h index 854443f7b60b..1e882dfc8b79 100644 --- a/kernel/locking/qspinlock_paravirt.h +++ b/kernel/locking/qspinlock_paravirt.h @@ -106,11 +106,6 @@ static __always_inline void set_pending(struct qspinlock *lock) atomic_or(_Q_PENDING_VAL, &lock->val); } -static __always_inline void clear_pending(struct qspinlock *lock) -{ - atomic_andnot(_Q_PENDING_VAL, &lock->val); -} - static __always_inline int trylock_clear_pending(struct qspinlock *lock) { int val = atomic_read(&lock->val); -- 2.19.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel