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Message-ID: <tip-9880534989ba96faad26aebc01dcdb2c1b5793aa@git.kernel.org>
Date: Fri, 24 Apr 2015 08:56:53 -0700
From: tip-bot for Jiang Liu <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: hpa@...or.com, mingo@...nel.org, david.vrabel@...rix.com,
sivanich@....com, gregkh@...uxfoundation.org,
konrad.wilk@...cle.com, joro@...tes.org, jiang.liu@...ux.intel.com,
david.a.cohen@...ux.intel.com, linux-kernel@...r.kernel.org,
tony.luck@...el.com, jroedel@...e.de, linux@...elenboom.it,
bp@...en8.de, rdunlap@...radead.org, rjw@...ysocki.net,
tglx@...utronix.de, yinghai@...nel.org, bhelgaas@...gle.com,
benh@...nel.crashing.org
Subject: [tip:x86/apic] irq_remapping:
Clean up unsued code to support IOAPIC
Commit-ID: 9880534989ba96faad26aebc01dcdb2c1b5793aa
Gitweb: http://git.kernel.org/tip/9880534989ba96faad26aebc01dcdb2c1b5793aa
Author: Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Tue, 14 Apr 2015 10:29:46 +0800
Committer: Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 24 Apr 2015 15:36:52 +0200
irq_remapping: Clean up unsued code to support IOAPIC
Now we have converted to hierarchical irqdomains, so clean up unused code.
Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
Tested-by: Joerg Roedel <jroedel@...e.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: David Cohen <david.a.cohen@...ux.intel.com>
Cc: Sander Eikelenboom <linux@...elenboom.it>
Cc: David Vrabel <david.vrabel@...rix.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: iommu@...ts.linux-foundation.org
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Dimitri Sivanich <sivanich@....com>
Cc: Joerg Roedel <joro@...tes.org>
Link: http://lkml.kernel.org/r/1428978610-28986-10-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
arch/x86/include/asm/irq_remapping.h | 23 -----------------------
arch/x86/kernel/apic/vector.c | 1 -
drivers/iommu/irq_remapping.c | 33 ---------------------------------
3 files changed, 57 deletions(-)
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index 4b5bbd1..09efa35 100644
--- a/arch/x86/include/asm/irq_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -26,12 +26,7 @@
#include <asm/hw_irq.h>
#include <asm/io_apic.h>
-struct IO_APIC_route_entry;
-struct io_apic_irq_attr;
-struct irq_chip;
struct msi_msg;
-struct pci_dev;
-struct irq_cfg;
struct irq_alloc_info;
#ifdef CONFIG_IRQ_REMAP
@@ -42,13 +37,7 @@ extern int irq_remapping_enable(void);
extern void irq_remapping_disable(void);
extern int irq_remapping_reenable(int);
extern int irq_remap_enable_fault_handling(void);
-extern void free_remapped_irq(int irq);
extern void panic_if_irq_remap(const char *msg);
-extern bool setup_remapped_irq(int irq,
- struct irq_cfg *cfg,
- struct irq_chip *chip);
-
-void irq_remap_modify_chip_defaults(struct irq_chip *chip);
extern struct irq_domain *
irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info);
@@ -72,23 +61,11 @@ static inline int irq_remapping_enable(void) { return -ENODEV; }
static inline void irq_remapping_disable(void) { }
static inline int irq_remapping_reenable(int eim) { return -ENODEV; }
static inline int irq_remap_enable_fault_handling(void) { return -ENODEV; }
-static inline void free_remapped_irq(int irq) { }
static inline void panic_if_irq_remap(const char *msg)
{
}
-static inline void irq_remap_modify_chip_defaults(struct irq_chip *chip)
-{
-}
-
-static inline bool setup_remapped_irq(int irq,
- struct irq_cfg *cfg,
- struct irq_chip *chip)
-{
- return false;
-}
-
static inline struct irq_domain *
irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info)
{
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index d0e5ea0..37bb9e8 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -283,7 +283,6 @@ static void x86_vector_free_irqs(struct irq_domain *domain,
for (i = 0; i < nr_irqs; i++) {
irq_data = irq_domain_get_irq_data(x86_vector_domain, virq + i);
if (irq_data && irq_data->chip_data) {
- free_remapped_irq(virq);
clear_irq_vector(virq + i, irq_data->chip_data);
free_irq_cfg(irq_data->chip_data);
#ifdef CONFIG_X86_IO_APIC
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index bca4255..fc78b0d 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -25,11 +25,6 @@ int no_x2apic_optout;
static int disable_irq_remap;
static struct irq_remap_ops *remap_ops;
-static bool irq_remapped(struct irq_cfg *cfg)
-{
- return (cfg->remapped == 1);
-}
-
static void irq_remapping_disable_io_apic(void)
{
/*
@@ -140,14 +135,6 @@ int __init irq_remap_enable_fault_handling(void)
return remap_ops->enable_faulting();
}
-void free_remapped_irq(int irq)
-{
- struct irq_cfg *cfg = irq_cfg(irq);
-
- if (irq_remapped(cfg) && remap_ops->free_irq)
- remap_ops->free_irq(irq);
-}
-
void panic_if_irq_remap(const char *msg)
{
if (irq_remapping_enabled)
@@ -159,26 +146,6 @@ void ir_ack_apic_edge(struct irq_data *data)
ack_APIC_irq();
}
-static void ir_print_prefix(struct irq_data *data, struct seq_file *p)
-{
- seq_printf(p, " IR-%s", data->chip->name);
-}
-
-void irq_remap_modify_chip_defaults(struct irq_chip *chip)
-{
- chip->irq_print_chip = ir_print_prefix;
- chip->irq_ack = ir_ack_apic_edge;
-}
-
-bool setup_remapped_irq(int irq, struct irq_cfg *cfg, struct irq_chip *chip)
-{
- if (!irq_remapped(cfg))
- return false;
- irq_set_status_flags(irq, IRQ_MOVE_PCNTXT);
- irq_remap_modify_chip_defaults(chip);
- return true;
-}
-
/**
* irq_remapping_get_ir_irq_domain - Get the irqdomain associated with the IOMMU
* device serving request @info
--
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