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Subject[Patch Part2 v5 03/33] x86/irq: Kill x86_io_apic_ops.print_entries and related interfaces
Date
Now there is no user of x86_io_apic_ops.print_entries anymore, so kill
it.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: iommu@lists.linux-foundation.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Grant Likely <grant.likely@linaro.org>
Link: http://lkml.kernel.org/r/1416901802-24211-13-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Joerg Roedel <jroedel@suse.de>
---
arch/x86/include/asm/io_apic.h | 3 --
arch/x86/include/asm/x86_init.h | 1 -
arch/x86/kernel/apic/io_apic.c | 55 -----------------------------------
arch/x86/kernel/x86_init.c | 1 -
drivers/iommu/intel_irq_remapping.c | 7 -----
5 files changed, 67 deletions(-)

diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 705c425c9c3d..47af5a7af358 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -225,8 +225,6 @@ 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);
@@ -290,7 +288,6 @@ 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 1649bb9ca27c..2924bc88034a 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 (*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 3506e8aeba91..acb91c19f318 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1339,61 +1339,6 @@ static void __init setup_IO_APIC_irqs(void)
}
}

-void native_io_apic_print_entries(unsigned int apic, unsigned int nr_entries)
-{
- int i;
-
- pr_debug(" NR Dst Mask Trig IRR Pol Stat Dmod Deli Vect:\n");
-
- for (i = 0; i <= nr_entries; i++) {
- struct IO_APIC_route_entry entry;
-
- entry = ioapic_read_entry(apic, i);
-
- pr_debug(" %02x %02X ", i, entry.dest);
- pr_cont("%1d %1d %1d %1d %1d "
- "%1d %1d %02X\n",
- entry.mask,
- entry.trigger,
- entry.irr,
- entry.polarity,
- entry.delivery_status,
- entry.dest_mode,
- entry.delivery_mode,
- entry.vector);
- }
-}
-
-void intel_ir_io_apic_print_entries(unsigned int apic,
- unsigned int nr_entries)
-{
- int i;
-
- pr_debug(" NR Indx Fmt Mask Trig IRR Pol Stat Indx2 Zero Vect:\n");
-
- for (i = 0; i <= nr_entries; i++) {
- struct IR_IO_APIC_route_entry *ir_entry;
- struct IO_APIC_route_entry entry;
-
- entry = ioapic_read_entry(apic, i);
-
- ir_entry = (struct IR_IO_APIC_route_entry *)&entry;
-
- pr_debug(" %02x %04X ", i, ir_entry->index);
- pr_cont("%1d %1d %1d %1d %1d "
- "%1d %1d %X %02X\n",
- ir_entry->format,
- ir_entry->mask,
- ir_entry->trigger,
- ir_entry->irr,
- ir_entry->polarity,
- ir_entry->delivery_status,
- ir_entry->index2,
- ir_entry->zero,
- ir_entry->vector);
- }
-}
-
void ioapic_zap_locks(void)
{
raw_spin_lock_init(&ioapic_lock);
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index b094d691f2fe..d6f36c7594d7 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -144,7 +144,6 @@ 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 91c0fc65713d..05941118a179 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -696,13 +696,6 @@ 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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