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Re: [Qemu-devel] [PATCH v5 28/45] postcopy: Incoming initialisation


From: David Gibson
Subject: Re: [Qemu-devel] [PATCH v5 28/45] postcopy: Incoming initialisation
Date: Mon, 23 Mar 2015 14:41:08 +1100
User-agent: Mutt/1.5.23 (2014-03-12)

On Wed, Feb 25, 2015 at 04:51:51PM +0000, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
> 
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>

Reviewed-by: David Gibson <address@hidden>

Looks ok, apart from a misspelled comment:

[snip]
> +    /*
> +     * We need the whole of RAM to be truly empty for postcopy, so things
> +     * like ROMs and any data tables built during init must be zero'd
> +     * - we're going to get the copy from the source anyway.
> +     * (Precopy will just overwrite this data, so doesn't need the discard)
> +     */
> +    if (postcopy_ram_discard_range(mis, host_addr, (host_addr + length - 
> 1))) {
> +        return -1;
> +    }
> +
> +    /*
> +     * We also need the area to be normal 4k pages, not huge pages
> +     * (otherwise we can't be sure we can atopically place the

s/atopically/atomically/


-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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