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Re: [Xen-devel] atomic reading and clearing pte

To: Ky Srinivasan <ksrinivasan@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] atomic reading and clearing pte
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 03 Apr 2008 15:57:49 +0100
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There is no way other than using writeable page tables.

 -- Keir

On 3/4/08 15:53, "Ky Srinivasan" <ksrinivasan@xxxxxxxxxx> wrote:

> If a guest does not want to use writable page table feature, what is the best
> way to implement a function such as ptep_get_and_clear(pte_t *).
> 
> Thanks in advance,
> 
> K. Y
> 
> 
> 
> 
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