On Fri, Jun 21, 2024 at 10:29:45PM +0200, Rudolf Marek wrote: > Hi, > > Dne 21. 06. 24 v 15:20 Igor Mammedov napsal(a): > > > + // Old linux kernels have trouble dealing with more than > > > 44/46 > > > + // phys-bits. Seems to be a bug in the virtio-pci driver. > > > + // 46: centos-7, ubuntu-18.04 > > > + // 44: ubuntu-16.04 > > > + // Limit the used address space to mitigate the bug, except > > > we are > > > + // running in a guest with more than 1TB of memory installed. > > > > Is it possible to fix those broken drivers (centos-7 for example) > > and ditch this heuristic altogether? > > Does this code ever runs in some baremetal use cases as well? > > Or at least, meybe this could be applied only when virtio devices are present > (maybe even just when transitional devices are present) ?
This code is only used on qemu (and derivatives) - specifically CONFIG_QEMU must be true. When running on coreboot, SeaBIOS expects coreboot to map all the PCI devices. Cheers, -Kevin _______________________________________________ SeaBIOS mailing list -- seabios@seabios.org To unsubscribe send an email to seabios-le...@seabios.org
