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Re: [Xen-devel] [PATCH RFC XEN v1 03/14] xen: arm: switch arch_do_domctl to a common exit path

On Tue, 2015-12-15 at 16:34 +0000, Stefano Stabellini wrote:
>Â.. .arch_do_domclt...
> > +
> > +ÂÂÂÂif ( copyback && __copy_to_guest(u_domctl, domctl, 1) )
> This code is already present in do_domctl (the caller of this function).
> I wonder if it makes sense to pass a copyback* parameter to
> arch_do_domctl and just rely on the caller's exit path.

Could do, cc-ing Jan in addition to Andy for x86 perspective (since this
would be a generic change.


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