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xen-devel
Re: [Xen-devel] [HVM] Debug register access question
On Fri, 18 Aug 2006, George Dunlap wrote:
Good catch. Do you have a simple test to verify that the new patch
works properly?
-George
Hi, George,
No, I don't exactly have a simple test that can verify it. I haven't been
doing very thorough testing on the SVM side of things, I've just playing
with gdb in a guest and setting breakpoints in a simple app with 'hbreak'
and it seems to be catching them properly. If you'd like, I can try and
test things out with and without my patch using my very simple smoke test
to see if there's a noticible difference.
--travis
BTW, sorry for the late reply. My filter misplaced your message.
On 8/17/06, Travis Betak <travis.betak@xxxxxxx> wrote:
My question is this. On the debug register access, why is the EIP
updated? I don't understand some of the finer details of VT but by
updating the EIP, doesn't this initial debug register access get lost?
I've included the two snippets of code in question below and a patch to
remove EIP update if it is wrong.
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