On 2015/6/9 23:55, Alex Williamson wrote: > +static int vfio_populate_device(VFIODevice *vbasedev) > +{ > + int i, ret = -1; > + VFIOPlatformDevice *vdev = > + container_of(vbasedev, VFIOPlatformDevice, vbasedev); > + > + if (!(vbasedev->flags & VFIO_DEVICE_FLAGS_PLATFORM)) { > + error_report("vfio: Um, this isn't a platform device"); > + return ret; > + } > + > + vdev->regions = g_malloc0_n(vbasedev->num_regions, > + sizeof(VFIORegion *));
Failed to build on SUSE11.3: /home/qemu/hw/vfio/platform.c: In function ‘vfio_populate_device’: /home/qemu/hw/vfio/platform.c:349: warning: implicit declaration of function ‘g_malloc0_n’ /home/qemu/hw/vfio/platform.c:349: warning: nested extern declaration of ‘g_malloc0_n’ /home/qemu/hw/vfio/platform.c:350: warning: assignment makes pointer from integer without a cast CC x86_64-softmmu/hw/i386/pc_q35.o CC x86_64-softmmu/hw/i386/pc_sysfw.o CC x86_64-softmmu/hw/i386/acpi-build.o CC x86_64-softmmu/hw/i386/kvm/pci-assign.o CC x86_64-softmmu/target-i386/translate.o GEN trace/generated-helpers.c CC x86_64-softmmu/trace/generated-helpers.o LINK x86_64-softmmu/qemu-system-x86_64 hw/vfio/platform.o: In function `vfio_populate_device': /home/qemu/hw/vfio/platform.c:349: undefined reference to `g_malloc0_n' collect2: ld returned 1 exit status make[1]: *** [qemu-system-x86_64] Error 1 make: *** [subdir-x86_64-softmmu] Error 2 That's because g_malloc0_n() introduced since glib-2.24, but QEMU just require glib-2.22. Regards, -Gonglei