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Re: [Qemu-devel] [PATCH] Use Aff1 with mpidr

From: Pavel Fedin
Subject: Re: [Qemu-devel] [PATCH] Use Aff1 with mpidr
Date: Fri, 29 May 2015 20:37:13 +0300


> Well KVM side should be fixed instead of driving us along wrong route.

 I have studied the question a bit more, and i discovered that MPIDR access on 
ARM is not
trapped by KVM. And guest would always get the same value as host would. 
Theoretically you
could modify the kernel so that PSCI accepts IDs set by qemu, but in this case 
we would
have inconsistency between device tree and real IDs. And there seems to be no 
way round.

Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia

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