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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 E3943C2D0A3 for ; Mon, 9 Nov 2020 09:44:29 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 7A10020719 for ; Mon, 9 Nov 2020 09:44:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Vmv3Ent7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A10020719 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=merlin.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=Matx9u+fVkFAHmVcPQsusXHyJQH0s/SSG2AuDoRFvdo=; b=Vmv3Ent7g7RbOvlOqvqVgnZ9D Ma9ju6F9b1xKKTT8YhnSEA9RUArTxXvdEqgb4PMJR4CMR2snLeDG7Sk2EMqoMHz24djjTDBD9OgRt wAOcbtyWcuBL2vvktrbWPf/0WXd39P8KHAMvERenWn4huxqLbvEpeT7x4MML+t3jvewxabH9R6zOW +uZwu/OBZJsu60O7Pwmacvclwc5SQMj++0EsB566uDrJV8c0o9tXfpsXVVWFJ3JkdmKRg0Z8wu1HA Sx15X4p8hGfcU+BdAEpOCzFfoXYCv7+ry++CSnApOyU7PQW5JEd01//5iDAaVRIYZ2NICnWaSRFcD fnDnH87Ng==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kc3hs-0007oz-Mc; Mon, 09 Nov 2020 09:43:24 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kc3hS-0007fc-NS for linux-arm-kernel@lists.infradead.org; Mon, 09 Nov 2020 09:43:00 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BC4701424; Mon, 9 Nov 2020 01:42:57 -0800 (PST) Received: from e113632-lin.cambridge.arm.com (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 1DE733F718; Mon, 9 Nov 2020 01:42:56 -0800 (PST) From: Valentin Schneider To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 5/5] Revert "genirq: Add fasteoi IPI flow" Date: Mon, 9 Nov 2020 09:41:21 +0000 Message-Id: <20201109094121.29975-6-valentin.schneider@arm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201109094121.29975-1-valentin.schneider@arm.com> References: <20201109094121.29975-1-valentin.schneider@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201109_044259_453171_792D0AE6 X-CRM114-Status: GOOD ( 13.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Lunn , Lorenzo Pieralisi , Jason Cooper , Scott Branden , Marc Zyngier , Gregory Clement , Florian Fainelli , Ray Jui , Thomas Gleixner , Sebastian Hesselbarth Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org handle_percpu_devid_fasteoi_ipi() has no more users, and handle_percpu_devid_irq() can do all that it was supposed to do. Get rid of it. This reverts commit c5e5ec033c4ab25c53f1fd217849e75deb0bf7bf. Signed-off-by: Valentin Schneider --- include/linux/irq.h | 1 - kernel/irq/chip.c | 27 --------------------------- 2 files changed, 28 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index c54365309e97..ca26bec51cec 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -647,7 +647,6 @@ static inline int irq_set_parent(int irq, int parent_irq) */ extern void handle_level_irq(struct irq_desc *desc); extern void handle_fasteoi_irq(struct irq_desc *desc); -extern void handle_percpu_devid_fasteoi_ipi(struct irq_desc *desc); extern void handle_edge_irq(struct irq_desc *desc); extern void handle_edge_eoi_irq(struct irq_desc *desc); extern void handle_simple_irq(struct irq_desc *desc); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index b9b9618e1aca..0ae308efa604 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -944,33 +944,6 @@ void handle_percpu_devid_irq(struct irq_desc *desc) chip->irq_eoi(&desc->irq_data); } -/** - * handle_percpu_devid_fasteoi_ipi - Per CPU local IPI handler with per cpu - * dev ids - * @desc: the interrupt description structure for this irq - * - * The biggest difference with the IRQ version is that the interrupt is - * EOIed early, as the IPI could result in a context switch, and we need to - * make sure the IPI can fire again. We also assume that the arch code has - * registered an action. If not, we are positively doomed. - */ -void handle_percpu_devid_fasteoi_ipi(struct irq_desc *desc) -{ - struct irq_chip *chip = irq_desc_get_chip(desc); - struct irqaction *action = desc->action; - unsigned int irq = irq_desc_get_irq(desc); - irqreturn_t res; - - __kstat_incr_irqs_this_cpu(desc); - - if (chip->irq_eoi) - chip->irq_eoi(&desc->irq_data); - - trace_irq_handler_entry(irq, action); - res = action->handler(irq, raw_cpu_ptr(action->percpu_dev_id)); - trace_irq_handler_exit(irq, action, res); -} - /** * handle_percpu_devid_fasteoi_nmi - Per CPU local NMI handler with per cpu * dev ids -- 2.27.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel