From: Natalie.Protasevich@unisys.com <Natalie.Protasevich@unisys.com>
Date: Sat, 30 Jul 2005 18:25:32 +0000 (-0700)
Subject: [PATCH] x86_64: avoid wasting IRQs patch update
X-Git-Tag: v2.6.13-rc5~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a1caa21d66bcb9ba9892435a0a54fc32cd9eeab;p=pandora-kernel.git

[PATCH] x86_64: avoid wasting IRQs patch update

The patch adds boundary check for the MAX_GSI_NUM.  Same as the update for
i386, the patch addresses a problem with ACPI SCI IRQ.  The patch corrects
the code such that SCI IRQ is skipped and duplicate entry is avoided.  The
VIA chipset uses 4-bit IRQ register for internal interrupt routing, and
therefore cannot handle IRQ numbers assigned to its devices.  The patch
corrects this problem by allowing PCI IRQs below 16.

Signed-off-by: Natalie Protasevich <Natalie.Protasevich@unisys.com>
Acked-by: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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