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由 Anthony PERARD 提交于
Xen PCI passthrough support may not be available and thus the global variable "has_igd_gfx_passthru" might be compiled out. Common code should not access it in that case. Unfortunately, we can't use CONFIG_XEN_PCI_PASSTHROUGH directly in xen-common.c so this patch instead move access to the has_igd_gfx_passthru variable via function and those functions are also implemented as stubs. The stubs will be used when QEMU is built without passthrough support. Now, when one will want to enable igd-passthru via the -machine property, they will get an error message if QEMU is built without passthrough support. Fixes: 46472d82 ('xen: convert "-machine igd-passthru" to an accelerator property') Reported-by: NRoger Pau Monné <roger.pau@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com> Message-Id: <20200603160442.3151170-1-anthony.perard@citrix.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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