From e5a53714acfc7b5f868d07d27c5f02cb00b118db Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:07 -0700
Subject: [PATCH] x86: put irq_2_pin pointer into irq_cfg

preallocate 32 irq_2_pin entries, and use get_one_free_irq_2_pin() to get
one more and link to irq_cfg if needed.

so don't waste one where no irq is enabled.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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