Re: [Xen-devel] [PATCH] tools/hvmloader: move shared_info to reserved memory area

[Olaf Hering <olaf@xxxxxxxxx>]

On Thu, Oct 25, Keir Fraser wrote:

> To be honest, given that the XenPVHVM extensions to Linux won't have been
> tested on such old hypervisors, it wouldn't be a bad thing to bail on
> setting up the extensions when you detect running on a really old Xen
> version (e.g., earlier than 3.4.0) anyway. There's a fair chance of doing
> more harm than good?

I could stick such a check into
arch/x86/xen/enlighten.c:x86_hyper_xen_hvm->detect, by rearranging the
code of xen_hvm_platform and init_hvm_pv_info.  Konrad, what do you
think about that? Recent changes indicate that you did some testing on
3.4 based hosts.

Olaf

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