From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Wed, 25 Jun 2008 04:19:28 +0000 (-0400)
Subject: x86/paravirt: add sysret/sysexit pvops for returning to 32-bit compatibility userspace
X-Git-Tag: v2.6.27-rc1~1106^2~124
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2be29982a08009c731307f4a39053b70ac4700da;p=pandora-kernel.git

x86/paravirt: add sysret/sysexit pvops for returning to 32-bit compatibility userspace

In a 64-bit system, we need separate sysret/sysexit operations to
return to a 32-bit userspace.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citirx.com>
Cc: xen-devel <xen-devel@lists.xensource.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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