From: Scott Rixner <rixner@rice.edu>
Date: Thu, 3 Mar 2011 09:30:08 +0000 (+0000)
Subject: xen: events: Process event channels notifications in round-robin order.
X-Git-Tag: v2.6.39-rc1~438^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab7f863e4183057dc494f3180199934a9637d401;p=pandora-kernel.git

xen: events: Process event channels notifications in round-robin order.

Avoids fairness issue resulting from domain 0 processing lowest
numbered event channel first.

Fixes bug #1115 "Event channel port scanning unfair".

Bugzilla: http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1115
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
[ijc: forward ported from linux-2.6.18-xen.hg 324:7fe1c6d02a2b
 various variables have different names in this tree:
  l1  -> pending_words
  l2  -> pending_bits
  l1i -> word_idx
  l2i -> bit_idx]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---

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