Messages in this thread | | | Subject | Re: [Xen-devel] [PATCH v2 1/2] x86: respect memory size limiting via mem= parameter | From | Juergen Gross <> | Date | Mon, 11 Feb 2019 13:35:16 +0100 |
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On 11/02/2019 13:23, Ingo Molnar wrote: > > * Juergen Gross <jgross@suse.com> wrote: > >>> If PCI devices had physical mmio memory areas above this range, we'd >>> still expect them to work - the option was really only meant to limit >>> RAM. >> >> No, in this case it seems to be real RAM added via PCI. The RAM is >> initially present in the E820 map, but the "mem=" will remove it from >> there again. During ACPI scan it is found (again) and will be added via >> hotplug mechanism, so "mem=" has no effect for that memory. > > OK. With that background: > > Acked-by: Ingo Molnar <mingo@kernel.org> > > I suppose you want this to go upstream via the Xen tree, which is the > main testcase for the bug to begin with?
Yes, I'd prefer that.
Juergen
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