[Xen-devel] [PATCH v4 RFC 0/6] x86/MSI: XSA-120, 126, 128-131 follow-up

["Jan Beulich" <JBeulich@xxxxxxxx>]

Only patches 1, 2, and 6 are really RFC (with some debugging code still
left in), the others (hence v4) have been submitted before. 

1: PCI: add config space write abstract intercept logic
2: MSI-X: track host and guest mask-all requests separately
3: MSI-X: be more careful during teardown
4: MSI-X: access MSI-X table only after having enabled MSI-X
5: MSI-X: reduce fiddling with control register during restore
6: MSI: properly track guest masking requests

A fundamental question is whether to go without the so far missing
(and more involved) MMCFG intercepts. This largely depends
whether there are any half way recent Dom0 OSes using MMCFG
accesses for the base 256 bytes of PCI config space.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>


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