Re: [Xen-devel] bug in hvmloader xenbus_shutdown logic

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2013-12-04 at 04:25 +0000, Liuqiming (John) wrote:

> memset can not set all the page to zero in an atomic way, and during
> the clear up process oxenstored may access this ring.

Why is oxenstored poking at the ring? Surely it should only do so when
the guest (hvmloader) sends it a request. If hvmloader is clearing the
page while there is a request/event outstanding then this is an
hvmloader bug.

Ian.


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