From: Yinghai Lu <yinghai@kernel.org>
Date: Mon, 9 Feb 2009 00:18:03 +0000 (-0800)
Subject: x86/irq: optimize nr_irqs
X-Git-Tag: v2.6.30-rc1~211^2~26^2~2^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f1ee5548a6507d2b4293635c61ddbf12e2c00e94;p=pandora-kernel.git

x86/irq: optimize nr_irqs

Impact: make nr_irqs depend more on cards used in a system

depend on nr_irq_gsi more, and have a ratio for MSI.

v2: make nr_irqs less than NR_VECTORS * nr_cpu_ids
    aka if only one cpu, we only can support nr_irqs = NR_VECTORS

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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