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xen-devel
[Xen-devel] Re: [patch 03/26] Xen-paravirt_ops: use paravirt_nop to cons
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To: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Subject: |
[Xen-devel] Re: [patch 03/26] Xen-paravirt_ops: use paravirt_nop to consistently mark no-op operations |
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From: |
Chris Wright <chrisw@xxxxxxxxxxxx> |
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Date: |
Fri, 16 Mar 2007 12:49:04 -0700 |
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Cc: |
Zachary Amsden <zach@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Andi Kleen <ak@xxxxxx>, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Chris Wright <chrisw@xxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Ingo Molnar <mingo@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> |
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Fri, 16 Mar 2007 12:47:28 -0700 |
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* Jeremy Fitzhardinge (jeremy@xxxxxxxx) wrote:
> Ingo Molnar wrote:
> > but only as a cleanup of the current open-coded (void *) casts. My
> > problem with this is that it loses the types. Not that there is much to
> > check for, but still, this adds some assumptions about how function
> > calls look like.
>
> I agree. I don't generally like this kind of hack, but having a single
> test for "func == paravirt_nop" to look for nop pv_ops in the patcher is
> what tipped the balance.
how about __paravirt_nop_start < func < __paravirt_nop_end and preserve
the types?
thanks,
-chris
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