On 01/17/2011 05:52 PM, Marcelo Tosatti wrote:
>
> What a value is written by the guest, which kvm cannot handle itself
> (i.e. a change to anything other than the mask bit), we exit with
> the table and entry ids, so userspace can reread them.
OK. But regarding access to the MSI-X entry in userspace, it can
only be accessed safely wrt parallel updates by the kernel in the
exit handler.
Is the exit handler the only location where the MSI-X entry will be
read or written to, in userspace?
Yes. This should be documented, that the kernel owns the msix area as
far as writes are concerned.
--
error compiling committee.c: too many arguments to function
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