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Re: [Xen-devel] [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a callee-save function

On Mon, Feb 13, 2017 at 05:34:01PM -0500, Waiman Long wrote:
> It is the address of &steal_time that will exceed the 32-bit limit.

That seems extremely unlikely. That would mean we have more than 4G
worth of per-cpu variables declared in the kernel.

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