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x86/irq: Remove GENERIC_IRQ_LEGACY_ALLOC_HWIRQ 

There's no user of irq_alloc_hwirqs(), irq_alloc_hwirq(),
irq_free_hwirqs() and irq_free_hwirq() in x86 anymore, so remove
GENERIC_IRQ_LEGACY_ALLOC_HWIRQ and related code.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.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: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/1428978610-28986-8-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
hifive-unleashed-5.1
Jiang Liu 2015-04-14 10:29:44 +08:00 committed by Thomas Gleixner
parent ad66e1efc9
commit baac169526
2 changed files with 0 additions and 35 deletions
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1
arch/x86/Kconfig
View File

@ -912,7 +912,6 @@ 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

34
arch/x86/kernel/apic/vector.c
View File

@ -659,40 +659,6 @@ 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;