From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754334AbaKZXRe (ORCPT ); Wed, 26 Nov 2014 18:17:34 -0500 Received: from terminus.zytor.com ([198.137.202.10]:58793 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754096AbaKZXRa (ORCPT ); Wed, 26 Nov 2014 18:17:30 -0500 Date: Wed, 26 Nov 2014 15:16:34 -0800 From: tip-bot for Jiang Liu Message-ID: Cc: bp@alien8.de, linux-kernel@vger.kernel.org, grant.likely@linaro.org, hpa@zytor.com, tony.luck@intel.com, wangyijing@huawei.com, tglx@linutronix.de, gregkh@linuxfoundation.org, yinghai@kernel.org, joro@8bytes.org, mingo@kernel.org, konrad.wilk@oracle.com, rdunlap@infradead.org, bhelgaas@google.com, benh@kernel.crashing.org, jiang.liu@linux.intel.com, jroedel@suse.de, rjw@rjwysocki.net Reply-To: jiang.liu@linux.intel.com, rjw@rjwysocki.net, jroedel@suse.de, benh@kernel.crashing.org, joro@8bytes.org, mingo@kernel.org, konrad.wilk@oracle.com, bhelgaas@google.com, rdunlap@infradead.org, tglx@linutronix.de, wangyijing@huawei.com, gregkh@linuxfoundation.org, yinghai@kernel.org, grant.likely@linaro.org, hpa@zytor.com, tony.luck@intel.com, linux-kernel@vger.kernel.org, bp@alien8.de In-Reply-To: <1416901802-24211-16-git-send-email-jiang.liu@linux.intel.com> References: <1416901802-24211-16-git-send-email-jiang.liu@linux.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/apic] x86, irq: Kill x86_io_apic_ops.eoi_ioapic_pin and related interfaces Git-Commit-ID: e89d2293022b55daadbde81b9050eed532d2b7d1 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: e89d2293022b55daadbde81b9050eed532d2b7d1 Gitweb: http://git.kernel.org/tip/e89d2293022b55daadbde81b9050eed532d2b7d1 Author: Jiang Liu AuthorDate: Tue, 25 Nov 2014 15:49:39 +0800 Committer: Thomas Gleixner CommitDate: Wed, 26 Nov 2014 23:52:47 +0100 x86, irq: Kill x86_io_apic_ops.eoi_ioapic_pin and related interfaces Now there is no user of x86_io_apic_ops.eoi_ioapic_pin anymore, so kill it. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Greg Kroah-Hartman Cc: iommu@lists.linux-foundation.org Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Rafael J. Wysocki Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Joerg Roedel Cc: Yijing Wang Cc: Grant Likely Link: http://lkml.kernel.org/r/1416901802-24211-16-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner Tested-by: Joerg Roedel --- arch/x86/include/asm/io_apic.h | 7 ------- arch/x86/include/asm/x86_init.h | 1 - arch/x86/kernel/apic/io_apic.c | 20 ++++---------------- arch/x86/kernel/x86_init.c | 1 - drivers/iommu/irq_remapping.c | 19 ------------------- 5 files changed, 4 insertions(+), 44 deletions(-) diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 5fba350..3b54f0f 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -150,10 +150,6 @@ struct irq_cfg; extern void ioapic_insert_resources(void); extern int arch_early_ioapic_init(void); -extern void eoi_ioapic_irq(unsigned int irq, struct irq_cfg *cfg); - -extern void native_eoi_ioapic_pin(int apic, int pin, int vector); - extern int save_ioapic_entries(void); extern void mask_ioapic_entries(void); extern int restore_ioapic_entries(void); @@ -237,8 +233,6 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned x86_io_apic_ops.modify(apic, reg, value); } -extern void io_apic_eoi(unsigned int apic, unsigned int vector); - extern void setup_IO_APIC(void); extern void enable_IO_APIC(void); extern void disable_IO_APIC(void); @@ -282,7 +276,6 @@ static inline void disable_ioapic_support(void) { } #define native_io_apic_write NULL #define native_io_apic_modify NULL #define native_disable_io_apic NULL -#define native_eoi_ioapic_pin NULL #endif #endif /* _ASM_X86_IO_APIC_H */ diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index f9f83cf..4ada3d3 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -191,7 +191,6 @@ struct x86_io_apic_ops { void (*write) (unsigned int apic, unsigned int reg, unsigned int value); void (*modify) (unsigned int apic, unsigned int reg, unsigned int value); void (*disable)(void); - void (*eoi_ioapic_pin)(int apic, int pin, int vector); }; extern struct x86_init_ops x86_init; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 26fa504..2a10cb9 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -268,7 +268,7 @@ static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx) + (mpc_ioapic_addr(idx) & ~PAGE_MASK); } -void io_apic_eoi(unsigned int apic, unsigned int vector) +static inline void io_apic_eoi(unsigned int apic, unsigned int vector) { struct io_apic __iomem *io_apic = io_apic_base(apic); writel(vector, &io_apic->eoi); @@ -524,7 +524,7 @@ static void unmask_ioapic_irq(struct irq_data *data) * Otherwise, we simulate the EOI message manually by changing the trigger * mode to edge and then back to level, with RTE being masked during this. */ -void native_eoi_ioapic_pin(int apic, int pin, int vector) +static void __eoi_ioapic_pin(int apic, int pin, int vector) { if (mpc_ioapic_ver(apic) >= 0x20) { io_apic_eoi(apic, vector); @@ -555,19 +555,7 @@ void eoi_ioapic_pin(int vector, struct irq_cfg *cfg) raw_spin_lock_irqsave(&ioapic_lock, flags); for_each_irq_pin(entry, cfg->irq_2_pin) - native_eoi_ioapic_pin(entry->apic, entry->pin, vector); - raw_spin_unlock_irqrestore(&ioapic_lock, flags); -} - -void eoi_ioapic_irq(unsigned int irq, struct irq_cfg *cfg) -{ - struct irq_pin_list *entry; - unsigned long flags; - - raw_spin_lock_irqsave(&ioapic_lock, flags); - for_each_irq_pin(entry, cfg->irq_2_pin) - x86_io_apic_ops.eoi_ioapic_pin(entry->apic, entry->pin, - cfg->vector); + __eoi_ioapic_pin(entry->apic, entry->pin, vector); raw_spin_unlock_irqrestore(&ioapic_lock, flags); } @@ -603,7 +591,7 @@ static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin) ioapic_write_entry(apic, pin, entry); } raw_spin_lock_irqsave(&ioapic_lock, flags); - native_eoi_ioapic_pin(apic, pin, entry.vector); + __eoi_ioapic_pin(apic, pin, entry.vector); raw_spin_unlock_irqrestore(&ioapic_lock, flags); } diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index f7e8eab..f612dc0 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -144,5 +144,4 @@ struct x86_io_apic_ops x86_io_apic_ops = { .write = native_io_apic_write, .modify = native_io_apic_modify, .disable = native_disable_io_apic, - .eoi_ioapic_pin = native_eoi_ioapic_pin, }; diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index 13243ac..d175d69 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -44,21 +44,9 @@ static void irq_remapping_disable_io_apic(void) disconnect_bsp_APIC(0); } -static void eoi_ioapic_pin_remapped(int apic, int pin, int vector) -{ - /* - * Intr-remapping uses pin number as the virtual vector - * in the RTE. Actual vector is programmed in - * intr-remapping table entry. Hence for the io-apic - * EOI we use the pin number. - */ - io_apic_eoi(apic, pin); -} - static void __init irq_remapping_modify_x86_ops(void) { x86_io_apic_ops.disable = irq_remapping_disable_io_apic; - x86_io_apic_ops.eoi_ioapic_pin = eoi_ioapic_pin_remapped; } static __init int setup_nointremap(char *str) @@ -194,12 +182,6 @@ void ir_ack_apic_edge(struct irq_data *data) ack_APIC_irq(); } -static void ir_ack_apic_level(struct irq_data *data) -{ - ack_APIC_irq(); - eoi_ioapic_irq(data->irq, irqd_cfg(data)); -} - void irq_remapping_print_chip(struct irq_data *data, struct seq_file *p) { /* @@ -222,7 +204,6 @@ void irq_remap_modify_chip_defaults(struct irq_chip *chip) { chip->irq_print_chip = ir_print_prefix; chip->irq_ack = ir_ack_apic_edge; - chip->irq_eoi = ir_ack_apic_level; } bool setup_remapped_irq(int irq, struct irq_cfg *cfg, struct irq_chip *chip)