From: Avi Kivity <avi@qumranet.com>
To: "Yang, Sheng" <sheng.yang@intel.com>
Cc: kvm-devel@lists.sourceforge.net
Subject: Re: [PATCH 6/6] kvm: qemu: Enable EPT support for real mode
Date: Thu, 24 Apr 2008 10:37:53 +0300 [thread overview]
Message-ID: <481038D1.4030809@qumranet.com> (raw)
In-Reply-To: <200804241529.57878.sheng.yang@intel.com>
Yang, Sheng wrote:
>> Why not use ept_identity_pagetable != NULL to encode
>> ept_identity_pagetable_done?
>>
>
> ept_identity_pagetable_done was used to indicate if the pagetable was setted
> up, and ept_identity_pagetable was used to indicate if the page used for
> pagetable was allocated... I don't want to run alloc_identity_pagetable()
> again and again and again... Another method is read several bits at the front
> of page to tell if the pagetable was setted up, but somehow tricky...
>
No, better to avoid tricks. But rmode_tss is only allocated once, so if
you unify the allocations, the identity table will also only be
allocated once.
--
error compiling committee.c: too many arguments to function
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next prev parent reply other threads:[~2008-04-24 7:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-18 9:30 [PATCH 6/6] kvm: qemu: Enable EPT support for real mode Yang, Sheng
2008-04-22 10:16 ` Avi Kivity
2008-04-24 6:59 ` Yang, Sheng
2008-04-24 7:15 ` Avi Kivity
2008-04-24 7:29 ` Yang, Sheng
2008-04-24 7:37 ` Avi Kivity [this message]
2008-04-24 7:57 ` Yang, Sheng
2008-04-24 7:59 ` Avi Kivity
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