From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Mon, 26 Oct 2009 22:24:35 +0000 (-0800)
Subject: x86: Use EOI register in io-apic on intel platforms
X-Git-Tag: v2.6.33-rc1~397^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3ec0a37a7907813bb4fb85a2d94102c152470b7;p=pandora-kernel.git

x86: Use EOI register in io-apic on intel platforms

IO-APIC's in intel chipsets support EOI register starting from
IO-APIC version 2. Use that when ever we need to clear the
IO-APIC RTE's RemoteIRR bit explicitly.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Gary Hade <garyhade@us.ibm.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
LKML-Reference: <20091026230001.947855317@sbs-t61.sc.intel.com>
[ Marked use_eio_reg as __read_mostly, fixed small details ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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