There's no user of irq_alloc_hwirqs(), irq_alloc_hwirq(), irq_free_hwirqs()
and irq_free_hwirq() anymore, so kill GENERIC_IRQ_LEGACY_ALLOC_HWIRQ and
related code.

Signed-off-by: Jiang Liu <jiang....@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
Cc: Tony Luck <tony.l...@intel.com>
Cc: Joerg Roedel <j...@8bytes.org>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelg...@google.com>
Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Rafael J. Wysocki <r...@rjwysocki.net>
Cc: Randy Dunlap <rdun...@infradead.org>
Cc: Yinghai Lu <ying...@kernel.org>
Cc: Borislav Petkov <b...@alien8.de>
Link: 
http://lkml.kernel.org/r/1416901802-24211-17-git-send-email-jiang....@linux.intel.com
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---
 arch/x86/Kconfig              |    1 -
 arch/x86/kernel/apic/vector.c |   34 ----------------------------------
 2 files changed, 35 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 89a530a5836e..66513678ad11 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -882,7 +882,6 @@ config X86_UP_IOAPIC
 config X86_LOCAL_APIC
        def_bool y
        depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC || 
PCI_MSI
-       select GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
        select IRQ_DOMAIN_HIERARCHY
        select PCI_MSI_IRQ_DOMAIN if PCI_MSI
 
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 4b8fad9aa685..31dc4a871673 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -660,40 +660,6 @@ void irq_force_complete_move(int irq)
 }
 #endif
 
-/*
- * Dynamic irq allocate and deallocation. Should be replaced by irq domains!
- */
-int arch_setup_hwirq(unsigned int irq, int node)
-{
-       struct irq_cfg *cfg;
-       unsigned long flags;
-       int ret;
-
-       cfg = alloc_irq_cfg(node);
-       if (!cfg)
-               return -ENOMEM;
-
-       raw_spin_lock_irqsave(&vector_lock, flags);
-       ret = __assign_irq_vector(irq, cfg, apic->target_cpus());
-       raw_spin_unlock_irqrestore(&vector_lock, flags);
-
-       if (!ret)
-               irq_set_chip_data(irq, cfg);
-       else
-               free_irq_cfg(cfg);
-       return ret;
-}
-
-void arch_teardown_hwirq(unsigned int irq)
-{
-       struct irq_cfg *cfg = irq_cfg(irq);
-
-       free_remapped_irq(irq);
-       clear_irq_vector(irq, cfg);
-       irq_set_chip_data(irq, NULL);
-       free_irq_cfg(cfg);
-}
-
 static void __init print_APIC_field(int base)
 {
        int i;
-- 
1.7.10.4

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