From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752174Ab1CYND2 (ORCPT ); Fri, 25 Mar 2011 09:03:28 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:56594 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751224Ab1CYND1 (ORCPT ); Fri, 25 Mar 2011 09:03:27 -0400 Date: Fri, 25 Mar 2011 14:03:18 +0100 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Peter Zijlstra , Andrew Morton Subject: [GIT PULL] irq fixes Message-ID: <20110325130318.GA9827@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, Please pull the latest irq-fixes-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git irq-fixes-for-linus Thanks, Ingo ------------------> Thomas Gleixner (3): genirq; Remove the last leftovers of the old sparse irq code genirq: Provide a lockdep helper genirq: Provide locked setter for chip, handler, name include/linux/irqdesc.h | 45 +++++++++++++++++++++++++++++++++------------ kernel/irq/irqdesc.c | 14 -------------- 2 files changed, 33 insertions(+), 26 deletions(-) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 0021837..15e6c39 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -100,13 +100,6 @@ struct irq_desc { extern struct irq_desc irq_desc[NR_IRQS]; #endif -/* Will be removed once the last users in power and sh are gone */ -extern struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node); -static inline struct irq_desc *move_irq_desc(struct irq_desc *desc, int node) -{ - return desc; -} - #ifdef CONFIG_GENERIC_HARDIRQS static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc) @@ -178,24 +171,52 @@ static inline int irq_has_action(unsigned int irq) return desc->action != NULL; } -#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT -static inline int irq_balancing_disabled(unsigned int irq) +/* caller has locked the irq_desc and both params are valid */ +static inline void __irq_set_handler_locked(unsigned int irq, + irq_flow_handler_t handler) { struct irq_desc *desc; desc = irq_to_desc(irq); - return desc->status & IRQ_NO_BALANCING_MASK; + desc->handle_irq = handler; } -#endif /* caller has locked the irq_desc and both params are valid */ +static inline void +__irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip, + irq_flow_handler_t handler, const char *name) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + irq_desc_get_irq_data(desc)->chip = chip; + desc->handle_irq = handler; + desc->name = name; +} + +#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT static inline void __set_irq_handler_unlocked(int irq, irq_flow_handler_t handler) { + __irq_set_handler_locked(irq, handler); +} + +static inline int irq_balancing_disabled(unsigned int irq) +{ struct irq_desc *desc; desc = irq_to_desc(irq); - desc->handle_irq = handler; + return desc->status & IRQ_NO_BALANCING_MASK; +} +#endif + +static inline void +irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class) +{ + struct irq_desc *desc = irq_to_desc(irq); + + if (desc) + lockdep_set_class(&desc->lock, class); } #ifdef CONFIG_IRQ_PREFLOW_FASTEOI diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index dbccc79..6fb014f 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -198,15 +198,6 @@ err: return -ENOMEM; } -struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node) -{ - int res = irq_alloc_descs(irq, irq, 1, node); - - if (res == -EEXIST || res == irq) - return irq_to_desc(irq); - return NULL; -} - static int irq_expand_nr_irqs(unsigned int nr) { if (nr > IRQ_BITMAP_BITS) @@ -283,11 +274,6 @@ struct irq_desc *irq_to_desc(unsigned int irq) return (irq < NR_IRQS) ? irq_desc + irq : NULL; } -struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node) -{ - return irq_to_desc(irq); -} - static void free_desc(unsigned int irq) { dynamic_irq_cleanup(irq);