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Re: [Xen-devel] [PATCH] turn off writable page tables

To: Andi Kleen <ak@xxxxxxx>
Subject: Re: [Xen-devel] [PATCH] turn off writable page tables
From: Zachary Amsden <zach@xxxxxxxxxx>
Date: Fri, 28 Jul 2006 16:10:44 -0700
Cc: virtualization@xxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, Andrew Theurer <habanero@xxxxxxxxxx>
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Andi Kleen wrote:
On Friday 28 July 2006 23:36, Zachary Amsden wrote:
For SMP, the enter / leave must happen under protection of the page table
locks for page tables which are being modified.

This should be in a comment in the code

Most definitely agreed! I think it deserves an entire paragraph explaining how to use it properly. But I wanted to get input from the Xen folks to see if this can be useful for them in some way first.


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