aper_low 161 arch/x86/kernel/aperture_64.c u32 aper_low, aper_hi; aper_low 185 arch/x86/kernel/aperture_64.c aper_low = read_pci_config(bus, slot, func, 0x10); aper_low 187 arch/x86/kernel/aperture_64.c aper = (aper_low & ~((1<<22)-1)) | ((u64)aper_hi << 32);