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authorMichael S. Tsirkin <mst@redhat.com>2015-02-09 13:59:53 +0000
committerMichael S. Tsirkin <mst@redhat.com>2015-02-26 12:42:19 +0100
commitd70414a5788c3d51f8ce4d2f437e669e6b99dc59 (patch)
tree4e47e2cac97304f8108de3a2a68377113e875153 /scripts/update-linux-headers.sh
parentf2c385220598523c8b9fefbfff1a6754cfd8232a (diff)
downloadfocaccia-qemu-d70414a5788c3d51f8ce4d2f437e669e6b99dc59.tar.gz
focaccia-qemu-d70414a5788c3d51f8ce4d2f437e669e6b99dc59.zip
acpi: update RSDP on guest access
RSDT offset can change across reboots and that makes
immutable RSDP, which is build at startup, point to
incorrect place in ACPI table blob. That results in
BIOS corrupting tables and guest OS failing to find
ACPI tables.
We really should have put it in a ROM region, but
we can't change that for old machine types,
let's just set the callback and update it explicitly.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>


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