[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Uniform commands for booting xen
On Thu, 2015-11-12 at 08:44 -0700, Jan Beulich wrote: > > > > On 12.11.15 at 14:41, <phcoder@xxxxxxxxx> wrote: > > Hello, all. I'd like to have set of commands that would boot xen on all > > platforms. I thought of following set: > > > > xen_hypervisor FILE XEN_OPTIONS > > xen_kernel FILE KERNEL_OPTIONS > > xen_initrd INITRD INITRD INITRD > > all initrds are concatenated. > > xen_xsm ??? > > xen_ucode (and we might add more going forward). I don't see > why the multiboot mechanism (kernel plus any number of modules) > can't be used, without adding any Xen-specific directives. You likely aren't aware that on ARM Xen doesn't boot via multiboot, but via a protocol which involves passing modules in an fdt[0]. I had originally hoped that this would use the same command names in the grub cfg, such that things would just work, however the grub maintainers didn't like that (and I appreciate why). Hence on grub/ARM we already have xen_{hypervisor,kernel,initrd,...}. The question then is what grub-mkconfig (or more precisely /etc/grub.d/20_linux_xen) ought to emit so that things just work on all architectures. The author of the grub/ARM/Xen patches initially made it generate the xen_* namas for arm and the multiboot names for x86, here is Vladimir's feedback on that:Âhttp://lists.gnu.org/archive/html/grub-devel/2015-10/msg00133.html Which I think gets us to approximately today and Vladimir's question. Ian. [0]Âhttp://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions/Multiboot > > Jan > > > On arm64 it would use the arm64 xen FDT protocol but on x86 should we > > use multiboot2 if multiboot2 header is present and multiboot otherwise? > > Or do xen devs have other preferences? > > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxx > http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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