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[Xen-devel] What's the function of evtchn

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: ææå <Chunqi Li> <yzt356@xxxxxxxxx>
  • Date: Mon, 13 Feb 2012 17:19:49 +0800
  • Delivery-date: Mon, 13 Feb 2012 09:20:40 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi all,
I'm reading some code of Xen-4.0-unstable and I occurred some obstacle when reading xen-unstable\unmodified_drivers\linux-2.6\platform-pci\evtchn.c. I don't exactly know what evtchn is, so I can't understand some of the code. I search evtchn in google but get few information.

Can anyone help? Thanks.

Chunqi Li
Department of Computer Science
School of EECS
Peking University
Beijing, China
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