[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 0/3] x86/xen: support booting PVH guest via standard boot path
On 11/08/2017 08:40 AM, Juergen Gross wrote: > On 08/11/17 14:37, Boris Ostrovsky wrote: >> On 11/08/2017 04:07 AM, Juergen Gross wrote: >>> Booting a Xen PVH guest requires a special boot entry as it is >>> mandatory to setup some Xen-specific interfaces rather early. When grub >>> or OVMF are used as boot loaders, however, those will fill the boot >>> parameters in zeropage and there is no longer a need to do something >>> PVH specific in the early boot path. >>> >>> This patch series adds support for that scenario by identifying PVH >>> environment and doing the required init steps via Xen hooks instead of >>> using a dedicated boot entry. >>> >>> The dedicated entry is still needed for support of Dom0 running in PVH >>> mode as in this case there is no grub or OVMF involved for filling in >>> the boot parameters. >> We are going to continue supporting direct boot of unprivileged guests >> too so this entry point will be needed not for dom0 only. > Sure, but using e.g. grub in this case would be an alternative. For Dom0 > this alternative isn't existing. So this entry is mandatory, not a "nice > to have". Right, I was just pointing out that the way the message is phrased makes it sounds (to me at least) as if dom0 is the only reason for the dedicated entry point. -boris _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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