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SubjectRe: [PATCH RFC/RFB] x86_64, i386: interrupt dispatch changes
Ingo Molnar wrote:
>
> yes, the accessed bit in the segment descriptor has to be updated in
> an atomic transaction: the CPU has to do a MESI coherent
> read+compare+write transaction, without damaging other updates to the
> 6 bytes segment descriptor.
>

8 bytes, rather.


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