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Message-Id: <1411743478-31435-8-git-send-email-jiang.liu@linux.intel.com>
Date: Fri, 26 Sep 2014 22:57:37 +0800
From: Jiang Liu <jiang.liu@...ux.intel.com>
To: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Randy Dunlap <rdunlap@...radead.org>,
Yinghai Lu <yinghai@...nel.org>,
Borislav Petkov <bp@...en8.de>,
Grant Likely <grant.likely@...aro.org>
Cc: Jiang Liu <jiang.liu@...ux.intel.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Tony Luck <tony.luck@...el.com>,
Joerg Roedel <joro@...tes.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
x86@...nel.org, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: [RFC v1 07/28] x86, irq: Kill x86_io_apic_ops.print_entries and related interfaces
Now there is no user of x86_io_apic_ops.print_entries anymore, so kill
it.
Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
---
arch/x86/include/asm/io_apic.h | 3 ---
arch/x86/include/asm/x86_init.h | 1 -
arch/x86/kernel/apic/io_apic.c | 8 ++++----
arch/x86/kernel/x86_init.c | 1 -
drivers/iommu/intel_irq_remapping.c | 7 -------
5 files changed, 4 insertions(+), 16 deletions(-)
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 051011adff9b..fb501ec46ee8 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -226,8 +226,6 @@ extern unsigned int native_io_apic_read(unsigned int apic, unsigned int reg);
extern void native_io_apic_write(unsigned int apic, unsigned int reg, unsigned int val);
extern void native_io_apic_modify(unsigned int apic, unsigned int reg, unsigned int val);
extern void native_disable_io_apic(void);
-extern void native_io_apic_print_entries(unsigned int apic, unsigned int nr_entries);
-extern void intel_ir_io_apic_print_entries(unsigned int apic, unsigned int nr_entries);
extern int native_ioapic_set_affinity(struct irq_data *,
const struct cpumask *,
bool);
@@ -292,7 +290,6 @@ 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_io_apic_print_entries NULL
#define native_ioapic_set_affinity NULL
#define native_setup_ioapic_entry NULL
#define native_eoi_ioapic_pin NULL
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 9b53cb2acfbb..d49791d2aacf 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -194,7 +194,6 @@ 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 (*print_entries)(unsigned int apic, unsigned int nr_entries);
int (*set_affinity)(struct irq_data *data,
const struct cpumask *mask,
bool force);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index b0121560f05d..d6df6da203f6 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1331,7 +1331,8 @@ static void __init setup_IO_APIC_irqs(void)
}
}
-void native_io_apic_print_entries(unsigned int apic, unsigned int nr_entries)
+static void native_io_apic_print_entries(unsigned int apic,
+ unsigned int nr_entries)
{
int i;
@@ -1356,8 +1357,7 @@ void native_io_apic_print_entries(unsigned int apic, unsigned int nr_entries)
}
}
-void intel_ir_io_apic_print_entries(unsigned int apic,
- unsigned int nr_entries)
+static void ir_io_apic_print_entries(unsigned int apic, unsigned int nr_entries)
{
int i;
@@ -1448,7 +1448,7 @@ static void __init print_IO_APIC(int ioapic_idx)
domain = mp_ioapic_irqdomain(ioapic_idx);
if (domain && irq_remapping_domain_is_remapped(domain))
- intel_ir_io_apic_print_entries(ioapic_idx, reg_01.bits.entries);
+ ir_io_apic_print_entries(ioapic_idx, reg_01.bits.entries);
else
native_io_apic_print_entries(ioapic_idx, reg_01.bits.entries);
}
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 814fcbadaad1..ba5ab975bb5b 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -154,7 +154,6 @@ struct x86_io_apic_ops x86_io_apic_ops = {
.write = native_io_apic_write,
.modify = native_io_apic_modify,
.disable = native_disable_io_apic,
- .print_entries = native_io_apic_print_entries,
.set_affinity = native_ioapic_set_affinity,
.setup_entry = native_setup_ioapic_entry,
.eoi_ioapic_pin = native_eoi_ioapic_pin,
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 8be4f924cb7c..07705d2bf48e 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -663,13 +663,6 @@ static int __init intel_enable_irq_remapping(void)
irq_remapping_enabled = 1;
- /*
- * VT-d has a different layout for IO-APIC entries when
- * interrupt remapping is enabled. So it needs a special routine
- * to print IO-APIC entries for debugging purposes too.
- */
- x86_io_apic_ops.print_entries = intel_ir_io_apic_print_entries;
-
pr_info("Enabled IRQ remapping in %s mode\n", eim ? "x2apic" : "xapic");
return eim ? IRQ_REMAP_X2APIC_MODE : IRQ_REMAP_XAPIC_MODE;
--
1.7.10.4
--
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