From: Prarit Bhargava <prarit@sgi.com>
Date: Wed, 6 Jul 2005 21:59:44 +0000 (-0700)
Subject: [IA64] hotplug/ia64: SN Hotplug Driver: SN IRQ Fixes
X-Git-Tag: v2.6.13-rc3~310^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb4cb2cb9b0b14bdf2fc7125e099ed7e818cea42;p=pandora-kernel.git

[IA64] hotplug/ia64: SN Hotplug Driver: SN IRQ Fixes

This patch  fixes the SN IRQ code such that cpu affinity and
Hotplug can modify IRQ values.  The sn_irq_info structures are now locked
using a RCU lock mechanism to avoid lock contention in the lost interrupt
WAR code.

Signed-off-by: Prarit Bhargava <prarit@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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