Re: [PATCH] don't use a 32-bit bit type as offset argument.

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On Wed, May 13, 2009 at 5:23 PM, Ryan Harper <ryanh@xxxxxxxxxx> wrote:
> * Glauber Costa <glommer@xxxxxxxxxx> [2009-05-13 14:22]:
>> In the call path of kvm_get_dirty_pages_log_range(),
>> its caller kvm_get_dirty_bitmap_cb() passes the
>> target_phys_addr_t both as start_addr and the offset.
>> So, using int will make dirty tracking over 4G fail
>> completely.
>
> Does this patch fix someting like 32-bit migration with >4G ?  Seems
> like it might.

it fixes general > 4G migration. I tested a 64-bit guest on a 64-bit host,
and it does not work previous to this patch



-- 
Glauber  Costa.
"Free as in Freedom"
http://glommer.net

"The less confident you are, the more serious you have to act."
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