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From: Pavel Fedin <p.fedin@samsung.com>
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Date: Thu, 22 Oct 2015 11:33:01 +0300
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Subject: Re: [Qemu-devel] [PATCH RFC V5 8/9] target-arm/cpu64 GICv3 system
 instructions support
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To: 'Shlomo Pongratz' <shlomopongratz@gmail.com>
Cc: peter.maydell@linaro.org, eric.auger@linaro.org, 'Shlomo Pongratz' <shlomo.pongratz@huawei.com>, qemu-devel@nongnu.org, shannon.zhao@linaro.org, ashoks@broadcom.com, imammedo@redhat.com

 Hello!

> I've implemented the registers accessed by Linux driver in =
drivers/irqchip/irq-gic-v3.c
> If this register is used only with KVM e.g. virt/kvm/arm/vgic-v3.c =
than it is out of my mandate.

 It has nothing to do with KVM. EFI is a firmware, which originates from =
Intel, but now adopted by ARM64 architecture too. You can also run it =
under qemu, if you want to make kind of "full" machine. And it writes =
some value to BPR1, which is indeed ignored by Linux kernel.

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