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Date: Tue, 17 Oct 2017 15:17:43 -0500
From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
        Juergen Gross <jgross@suse.com>, Rusty Russell <rusty@rustcorp.com.au>,
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        Ingo Molnar <mingo@kernel.org>
Subject: 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