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Re: [Qemu-arm] [PATCH v2 0/5] target/arm: KVM vs ARMISARegisters


From: Marc Zyngier
Subject: Re: [Qemu-arm] [PATCH v2 0/5] target/arm: KVM vs ARMISARegisters
Date: Sat, 3 Nov 2018 12:32:46 +0000

On Sat, 3 Nov 2018 09:53:44 +0000
Richard Henderson <address@hidden> wrote:

Hi Richard,

> Although, while I have you, Christopher, is there a way to extract the Limited
> Ordering Region registers without modifying guest state?  Those are 
> multiplexed
> with LORN_EL1.

We actively hide the LORegion feature from the guest since
cc33c4e20185a391766ed5e78e2acc97e17ba511 (in the 4.17 time frame), so
you shouldn't be able to obtain these on a recent host.

I'm not sure this answers your question though...

Thanks,

        M.
-- 
Without deviation from the norm, progress is not possible.



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