Re: [Xen-devel] [PATCH 11/13] x86/paravirt: Add paravirt alternatives infrastructure

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On Tue, Oct 17, 2017 at 11:36:57AM -0400, Boris Ostrovsky wrote:
> On 10/17/2017 10:36 AM, Josh Poimboeuf wrote:
> >
> > Maybe we can add a new field to the alternatives entry struct which
> > specifies the offset to the CALL instruction, so apply_alternatives()
> > can find it.
> 
> We'd also have to assume that the restore part of an alternative entry
> is the same size as the save part. Which is true now.

Why?

-- 
Josh
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