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(parent: b0101be) | patch
xen: don't allow guest to control MSI mask register
authorJan Beulich <jbeulich@suse.com>
Wed, 10 Jun 2015 13:11:47 +0000 (14:11 +0100)
committerIan Jackson <Ian.Jackson@eu.citrix.com>
Wed, 10 Jun 2015 13:11:47 +0000 (14:11 +0100)
commit1e2a2be008a15bc6f8ab19db400a076f8f598b12
tree873672fbe86b8952da7213047fb1423c10ca3326tree
parentb0101be92c03396ace3de93b974fd527b2ff2779commit | diff
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>
hw/pass-through.c diff | blob | history
hw/pass-through.h diff | blob | history
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