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xen-devel
RE: unaligned and page-crossing writes in shadow emulate callbacks (was
Tim Deegan wrote:
> Hi,
>
> At 13:33 +0000 on 04 Dec (1196775199), Tim Deegan wrote:
>> Yes, but you'll probably find you need page-crossing support as well
>> if you're emulating arbitrary memory writes. I believe we have a
>> patch somewhere that does that; I'll dig it out and polish it up for
>> -unstable.
>
> Attached. I took the opportunity to tidy up a bit and move more
> shared code out of the write/cmpxchg/cmpxchg8b callbacks into
> helpers. This is smoke-tested but I don't have a test case for your
> virus-scanner's behaviour. Can you check that (a) it seems sane for
> what you want, and (b) it actually does something useful?
>
> Cheers,
>
> Tim.
Another question is can we check CR0.wp in mandatory_flags? Attached is
My initial patch to emulate CR0.wp. Could you please have a look at it?
Best Regards,
Disheng, Su
cr0_wp_emu.patch
Description: cr0_wp_emu.patch
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