On Mon, 2023-09-18 at 14:41 +0000, Paul Durrant wrote: > From: Paul Durrant <pdurrant@xxxxxxxxxx> > > To further prepare for automatically using the vcpu_info structures > embedded in the shared_info page, we need to ensure that the Xen vcpu_id > cannot change under our feet. We can do this by simply returning -EBUSY > to any attempt to modify the attribute while the shinfo_cache is active. > > Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx> Makes sense. Wants explicitly mentioning in the documentation for KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID. If/when you did that, Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
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