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| author | Alex Williamson <alex.williamson@redhat.com> | 2012-04-05 11:07:08 -0600 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2012-04-15 12:17:22 +0300 |
| commit | ba737541edddf9d0026460eb7b1d1c599b4c8ae9 (patch) | |
| tree | 46c6aeb0792aeb7cf0dc7ef404063d5cbf60d4d2 /xen-stub.c | |
| parent | 2ba1d381c2f5f5868fe071b45977c2ed459d78f0 (diff) | |
| download | hqemu-ba737541edddf9d0026460eb7b1d1c599b4c8ae9.zip hqemu-ba737541edddf9d0026460eb7b1d1c599b4c8ae9.tar.gz | |
acpi_piix4: Disallow write to up/down PCI hotplug registers
The write side of these registers is never used and actually can't be
used as defined because any read/modify/write sequence from the guest
potentially races with qemu. Drop the write support and define these
as read-only registers.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'xen-stub.c')
0 files changed, 0 insertions, 0 deletions
