Messages in this thread | | | Date | Mon, 11 Feb 2019 13:23:08 +0100 | From | Ingo Molnar <> | Subject | Re: [Xen-devel] [PATCH v2 1/2] x86: respect memory size limiting via mem= parameter |
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* 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?
Thanks,
ngo
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