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(parent: 7b85a1e) | patch
xen: don't allow guest to control MSI mask register
authorJan Beulich <jbeulich@suse.com>
Wed, 10 Jun 2015 13:17:24 +0000 (14:17 +0100)
committerIan Jackson <Ian.Jackson@eu.citrix.com>
Wed, 10 Jun 2015 13:17:24 +0000 (14:17 +0100)
commitbea6adbd1e446c4504c75ed11f3557ab742b87b8
treedce7176f1fbb4981318603662069467866e2b52btree
parent7b85a1e9cdef8de686780a6e3506448ceca37572commit | 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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