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[Xen-devel] Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable
- To: David Miller <davem@xxxxxxxxxxxxx>
- From: Andi Kleen <ak@xxxxxx>
- Date: 18 Mar 2007 13:08:14 +0100
- Date: Sun, 18 Mar 2007 13:08:14 +0100
- Cc: zach@xxxxxxxxxx, jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, rusty@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, chrisw@xxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxx, anthony@xxxxxxxxxxxxx, mingo@xxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Sun, 18 Mar 2007 05:07:35 -0700
- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
> The idea is _NOT_ that you go look for references to the paravirt_ops
> members structure, that would be stupid and you wouldn't be able to
> use the most efficient addressing mode on a given cpu, you'd be
> patching up indirect calls and crap like that. Just say no...
That wouldn't handle inlines though. At least some of the current
paravirtops like cli/sti are critical enough to require inlining.
-Andi
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