x86, ioapic: Optimize pin_2_irq

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Now that all ioapics have valid gsi_base values use this to
accellerate pin_2_irq.  In the case of acpi this also ensures
that pin_2_irq will compute the same irq value for an ioapic
pin as acpi will.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
LKML-Reference: <1269936436-7039-12-git-send-email-ebiederm@xmission.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

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Eric W. Biederman 2010-03-30 01:07:13 -07:00 • committed by H. Peter Anvin

parent 7716a5c4ff

commit d464207c4f

1 changed files with 4 additions and 9 deletions

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arch/x86/kernel/apic/io_apic.c

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