On 10 September 2015 at 02:21, Chen, Tiejun <tiejun.c...@intel.com> wrote: > On 9/10/2015 12:10 AM, Stefano Stabellini wrote: >> I found another issue introduced by the gfx passthrough series on >> Windows: >> >> ../hw/pci-host/piix.o: In function `host_pci_config_read': >> /root/qemu/hw/pci-host/piix.c:778: undefined reference to `_pread' >> >> It is introduced by: >> >> commit fdb70721ba0496a767137e5505dd27627d19c4a8 >> Author: Tiejun Chen <tiejun.c...@intel.com> >> Date: Wed Jul 15 13:37:43 2015 +0800 >> >> piix: create host bridge to passthrough >> >> >> You might have to replace the pread call with lseek and read. >> > > This is also surprising to me. Just see xen_host_pci_config_xxxx() inside > /hw/xen/xen-host-pci-device.c, there are so many this pread usage(). So I > really don't understand what's difference between these two files.
xen-host-pci-device.c is only compiled if CONFIG_XEN_PCI_PASSTHROUGH was set by configure. That won't be the case on OSX or Windows, where the Xen headers don't exist. thanks -- PMM _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
