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[Xen-devel] Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable
- To: Andi Kleen <ak@xxxxxx>
- From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
- Date: Sun, 18 Mar 2007 10:29:10 -0700
- Cc: zach@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, rusty@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, chrisw@xxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxx, anthony@xxxxxxxxxxxxx, mingo@xxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, David Miller <davem@xxxxxxxxxxxxx>
- Delivery-date: Sun, 18 Mar 2007 10:28:09 -0700
- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Andi Kleen wrote:
> You could use the dwarf2 unwind tables. They have exact information
> what register has what. But it would likely get complicated.
Yes. And would they be accurate for hand-written asm, which is where we
have this problem?
J
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