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From: Avi Kivity <avi@redhat.com>
To: Prasad Joshi <prasadjoshi124@gmail.com>
Cc: kvm@vger.kernel.org
Subject: Re: Page Eviction Algorithm
Date: Thu, 28 Oct 2010 10:45:07 +0200	[thread overview]
Message-ID: <4CC93813.708@redhat.com> (raw)
In-Reply-To: <AANLkTimnXaE0RSiaG13iy+VOkc3Q5A_WMebq3DLcnn+H@mail.gmail.com>

  On 10/26/2010 05:08 PM, Prasad Joshi wrote:
> >>>
> >>>  Can you please suggest me something that would add value to KVM?
> >>>
> >>
> >>  O(1) write protection (on the TODO page) is interesting and important.  It's
> >>  difficult, so you may want to start with O(1) invalidation.
> >
> >  I am not sure if I can understand what exactly is a MMU invalidation.
> >  Is it cache invalidation or TLB invalidation? Can you please
> >  elaborate. I am really sorry if I am asking a silly question.
>
> Does this MMU invalidation has to do something with the EPT (Extended
> Page Table)

No

> and instruction INVEPT?

No, (though INVEPT has to be run as part of this operation, via 
kvm_flush_remote_tlbs).

-- 
error compiling committee.c: too many arguments to function


  reply	other threads:[~2010-10-28  8:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-26  9:19 Page Eviction Algorithm Prasad Joshi
2010-10-26 10:31 ` Avi Kivity
2010-10-26 10:42   ` Prasad Joshi
2010-10-26 13:07     ` Avi Kivity
2010-10-26 13:31       ` Prasad Joshi
2010-10-26 15:08         ` Prasad Joshi
2010-10-28  8:45           ` Avi Kivity [this message]
2010-10-28 13:03             ` Prasad Joshi
2010-10-28  8:44         ` Avi Kivity

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