From patchwork Tue Apr 14 02:30:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 6213011 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@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 AF4E99F1C4 for ; Tue, 14 Apr 2015 02:33:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 590EE202E9 for ; Tue, 14 Apr 2015 02:33:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 187EB202DD for ; Tue, 14 Apr 2015 02:33:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755072AbbDNCdL (ORCPT ); Mon, 13 Apr 2015 22:33:11 -0400 Received: from mga09.intel.com ([134.134.136.24]:44149 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932834AbbDNCdG (ORCPT ); Mon, 13 Apr 2015 22:33:06 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 13 Apr 2015 19:33:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,573,1422950400"; d="scan'208";a="713207286" Received: from gerry-dev.bj.intel.com ([10.238.158.72]) by orsmga002.jf.intel.com with ESMTP; 13 Apr 2015 19:33:01 -0700 From: Jiang Liu To: Bjorn Helgaas , Benjamin Herrenschmidt , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Dimitri Sivanich , x86@kernel.org, Jiang Liu Cc: Konrad Rzeszutek Wilk , David Cohen , Sander Eikelenboom , David Vrabel , Andrew Morton , Tony Luck , Joerg Roedel , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [Patch Part2 v5 24/33] x86/irq: Kill function apic_set_affinity() Date: Tue, 14 Apr 2015 10:30:01 +0800 Message-Id: <1428978610-28986-25-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1428978610-28986-1-git-send-email-jiang.liu@linux.intel.com> References: <1428978610-28986-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Now there's no user of apic_set_affinity(), so kill it. Also rename vector_set_affinity() to apic_set_affinity() for consistency. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Joerg Roedel Cc: Greg Kroah-Hartman Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Rafael J. Wysocki Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Link: http://lkml.kernel.org/r/1416901802-24211-33-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner Tested-by: Joerg Roedel --- arch/x86/include/asm/hw_irq.h | 2 -- arch/x86/kernel/apic/vector.c | 40 +++------------------------------------- 2 files changed, 3 insertions(+), 39 deletions(-) diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index ea9aebc65ff6..330445236484 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -198,8 +198,6 @@ static inline void irq_complete_move(struct irq_cfg *c) { } #endif extern void apic_ack_edge(struct irq_data *data); -extern int apic_set_affinity(struct irq_data *data, const struct cpumask *mask, - unsigned int *dest_id); #else /* CONFIG_X86_LOCAL_APIC */ static inline void lock_vector_lock(void) {} static inline void unlock_vector_lock(void) {} diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index fba4958b6139..436a3400d9ac 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -463,42 +463,8 @@ void apic_ack_edge(struct irq_data *data) ack_APIC_irq(); } -/* - * Either sets data->affinity to a valid value, and returns - * ->cpu_mask_to_apicid of that in dest_id, or returns -1 and - * leaves data->affinity untouched. - */ -int apic_set_affinity(struct irq_data *data, const struct cpumask *mask, - unsigned int *dest_id) -{ - struct irq_cfg *cfg = irqd_cfg(data); - unsigned int irq = data->irq; - int err; - - if (!config_enabled(CONFIG_SMP)) - return -EPERM; - - if (!cpumask_intersects(mask, cpu_online_mask)) - return -EINVAL; - - err = assign_irq_vector(irq, cfg, mask); - if (err) - return err; - - err = apic->cpu_mask_to_apicid_and(mask, cfg->domain, dest_id); - if (err) { - if (assign_irq_vector(irq, cfg, data->affinity)) - pr_err("Failed to recover vector for irq %d\n", irq); - return err; - } - - cpumask_copy(data->affinity, mask); - - return 0; -} - -static int vector_set_affinity(struct irq_data *irq_data, - const struct cpumask *dest, bool force) +static int apic_set_affinity(struct irq_data *irq_data, + const struct cpumask *dest, bool force) { int err; int irq = irq_data->irq; @@ -524,7 +490,7 @@ static int vector_set_affinity(struct irq_data *irq_data, static struct irq_chip lapic_controller = { .irq_ack = apic_ack_edge, - .irq_set_affinity = vector_set_affinity, + .irq_set_affinity = apic_set_affinity, .irq_retrigger = apic_retrigger_irq, };