Displaying 2 results from an estimated 2 matches for "ioapic_phi".
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ioapic_phys
2013 May 02
5
[PATCH] x86: allow Dom0 read-only access to IO-APICs
There are BIOSes that want to map the IO-APIC MMIO region from some
ACPI method(s), and there is at least one BIOS flavor that wants to
use this mapping to clear an RTE''s mask bit. While we can''t allow the
latter, we can permit reads and simply drop write attempts, leveraging
the already existing infrastructure introduced for dealing with AMD
IOMMUs'' representation as
2008 Nov 13
69
[PATCH 00 of 38] xen: add more Xen dom0 support
Hi Ingo,
Here''s the chunk of patches to add Xen Dom0 support (it''s probably
worth creating a new xen/dom0 topic branch for it).
A dom0 Xen domain is basically the same as a normal domU domain, but
it has extra privileges to directly access hardware. There are two
issues to deal with:
- translating to and from the domain''s pseudo-physical addresses and
real machine