From: "Jan Beulich" <jbeulich@novell.com>
To: Kevin Tian <kevin.tian@intel.com>
Cc: xen-devel@lists.xensource.com,
Keir Fraser <keir.fraser@eu.citrix.com>,
Gang Wei <gang.wei@intel.com>
Subject: RE: [PATCH 1/9] Add cpu idle pwr mgmt to xen
Date: Wed, 30 Apr 2008 11:25:06 +0100 [thread overview]
Message-ID: <48186522.76E4.0078.0@novell.com> (raw)
In-Reply-To: <D470B4E54465E3469E2ABBC5AFAC390F024D9219@pdsmsx412.ccr.corp.intel.com>
>>> "Tian, Kevin" <kevin.tian@intel.com> 30.04.08 11:42 >>>
>What do you mean by partly copying things? For a 32-on-64 guest,
>all pointers from guest are 32-bit and compat_handler_okay already
>ensures compat pointers validity. Only native structure may have
>64-bit pointer field, which is checked by common guest_handle_okay
>if from a 64bit guest, or is trusted by increasing addr limitation if
>from compat layer...
VCPUOP_register_runstate_memory_area is an example of this.
Jan
next prev parent reply other threads:[~2008-04-30 10:25 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-25 5:07 [PATCH 1/9] Add cpu idle pwr mgmt to xen Wei, Gang
2008-04-25 13:00 ` Keir Fraser
2008-04-25 13:29 ` Wei, Gang
2008-04-26 9:55 ` Wei, Gang
2008-04-28 9:24 ` Jan Beulich
2008-04-30 3:27 ` Wei, Gang
2008-04-30 7:22 ` Jan Beulich
2008-04-30 8:54 ` Keir Fraser
2008-04-30 9:08 ` Wei, Gang
2008-04-30 9:12 ` Tian, Kevin
2008-04-30 9:18 ` Tian, Kevin
2008-04-30 9:35 ` Jan Beulich
2008-04-30 9:42 ` Tian, Kevin
2008-04-30 10:00 ` Keir Fraser
2008-04-30 10:25 ` Jan Beulich
2008-04-30 12:27 ` Keir Fraser
2008-04-30 10:25 ` Jan Beulich [this message]
2008-05-05 6:34 ` Tian, Kevin
2008-04-30 16:36 ` Wei, Gang
2008-05-01 0:48 ` Wei, Gang
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