On Thu, Aug 08, 2019 at 11:41:18AM +0100, Anthony PERARD wrote: > On Wed, Aug 07, 2019 at 05:14:33PM +0200, Roger Pau Monné wrote: > > On Mon, Jul 29, 2019 at 04:39:31PM +0100, Anthony PERARD wrote: > > > When the Xen PVH entry point has been used, hvmloader hasn't run and > > > hasn't prepared an E820 table. The only way left to get an E820 table > > > is to ask Xen via an hypercall, the call can only be made once so keep > > > the result cached for later. > > > > I think we agreed that the above is not true, and that the memory > > map can be fetched as many times as desired using the hypercall > > interface. > > Yes, I'll change the commit message. How about: > > When the Xen PVH entry point has been used, hvmloader hasn't run and > hasn't prepared an E820 table. The only way left to get an E820 table > is to ask Xen via an hypercall. We keep the result cached to avoid > making a second hypercall which would give the same result.
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