From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 11 Oct 2010 09:55:37 +0000 (+0200)
Subject: x86: Speed up the irq_remapped check in hot pathes
X-Git-Tag: v2.6.37-rc1~191^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a0730d6649113c820217387a011a17dd4aff3ad;p=pandora-kernel.git

x86: Speed up the irq_remapped check in hot pathes

irq_2_iommu is in struct irq_cfg, so we can do the irq_remapped check
based on irq_cfg instead of going through a lookup function. That's
especially interesting in the eoi_ioapic_irq() hotpath.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
---

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