tree 5a010016cf807b0c8655bc68aca593dba016695d
parent 5c83b2f5b4b956e91dd6e5711f14df7ab800aefb
author Jan Beulich <jbeulich@suse.com> 1433257620 +0000
committer Stefano Stabellini <stefano.stabellini@eu.citrix.com> 1433257620 +0000

xen: don't allow guest to control MSI mask register

It's being used by the hypervisor. For now simply mimic a device not
capable of masking, and fully emulate any accesses a guest may issue
nevertheless as simple reads/writes without side effects.

This is XSA-129.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>