From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andi Kleen <ak@suse.de>
Cc: Andrew Morton <akpm@osdl.org>, Petr Vandrovec <petr@vmware.com>,
Chaz Masden <zamsden@gmail.com>,
virtualization@lists.linux-foundation.org,
Chris Wright <chrisw@sous-sol.org>,
Virtualization Mailing List <virtualization@lists.osdl.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [RFC, PATCH 0/5] Paravirt: fix export of paravirt-ops to binary modules
Date: Fri, 20 Apr 2007 08:03:38 -0700 [thread overview]
Message-ID: <4628D64A.4070900@goop.org> (raw)
In-Reply-To: <200704201134.42116.ak@suse.de>
Andi Kleen wrote:
> Basic idea looks good.
>
> But is the 5 argument support really needed? I don't see any paravirt
> ops functions that needs it and even if there was one it still wouldn't be clear
> if it made sense to export it.
64-bit args are passed as a pair of 32-bit args, so PAE set_pte_at*
functions end up with 5 args. They're used often, so they may be worth
patching, but I'm not sure if they're worth exporting. They are
implicitly exported in a non-PARAVIRT build by the fact that they're
inline functions/macros in a header. I don't know if any modules
actually use them.
J
next prev parent reply other threads:[~2007-04-20 15:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-20 1:52 [RFC, PATCH 0/5] Paravirt: fix export of paravirt-ops to binary modules Zachary Amsden
2007-04-20 9:34 ` Andi Kleen
2007-04-20 15:03 ` Jeremy Fitzhardinge [this message]
2007-04-20 21:25 ` Zachary Amsden
2007-04-20 21:33 ` Jeremy Fitzhardinge
2007-04-20 21:36 ` Zachary Amsden
2007-04-20 23:01 ` Jeremy Fitzhardinge
2007-04-20 23:02 ` Zachary Amsden
2007-04-22 23:37 ` Rusty Russell
2007-04-22 23:49 ` Andi Kleen
2007-04-23 0:24 ` Rusty Russell
2007-04-23 0:49 ` Andi Kleen
2007-04-23 1:04 ` Rusty Russell
2007-04-23 21:18 ` Zachary Amsden
2007-04-23 1:00 ` Jeremy Fitzhardinge
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