From: Glauber Costa <glommer@redhat.com>
Date: Tue, 11 May 2010 16:17:39 +0000 (-0400)
Subject: x86, paravirt: Enable pvclock flags in vcpu_time_info structure
X-Git-Tag: v2.6.35-rc1~436^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=424c32f1aa3112632a657d45698c8e7666668f78;p=pandora-kernel.git

x86, paravirt: Enable pvclock flags in vcpu_time_info structure

This patch removes one padding byte and transform it into a flags
field. New versions of guests using pvclock will query these flags
upon each read.

Flags, however, will only be interpreted when the guest decides to.
It uses the pvclock_valid_flags function to signal that a specific
set of flags should be taken into consideration. Which flags are valid
are usually devised via HV negotiation.

Signed-off-by: Glauber Costa <glommer@redhat.com>
CC: Jeremy Fitzhardinge <jeremy@goop.org>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

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