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Re: [Xen-devel] [Patch] Allowing PV-OPS kernel to detect whether XSAVE i

>>> On 09.11.10 at 11:54, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> wrote:
> So if OSXSAVE is enabled we can also infer that XSAVE is safe to use,
> because XSAVE was fixed/implemented before OSXSAVE was? Seems
> reasonable.

Yes, that's my understanding (prior to the recent changes, CR4.OSXSAVE
got turned on only in HVM context if I followed things correctly).

Jan


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