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From: Peter Maydell <peter.maydell@linaro.org>
Date: Thu, 7 Dec 2017 19:37:31 +0000
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Subject: Re: [Qemu-devel] [Qemu-arm] [PATCH 0/6] arm: support -cpu max (and
 gic-version=max)
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Cc: "Richard W . M . Jones" <rjones@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, "patches@linaro.org" <patches@linaro.org>

On 7 December 2017 at 18:14, Peter Maydell <peter.maydell@linaro.org> wrote:
> This patchset adds support for '-cpu max' to Arm, along the lines
> of the existing support we have for x86 targets:
>
>  * under KVM, -cpu max is the same as -cpu host
>  * under TCG, -cpu max means "emulate with as many features as
>    possible"

Forgot to mention: -cpu max for qemu-system-aarch64 will
be a 64-bit cpu, and for qemu-system-arm it will be a 32-bit
cpu. (This differs from all the other TCG CPU types, which
behave the same for the 32-bit and 64-bit binaries. I think
it is the same way that x86 -cpu max works, though.)

thanks
-- PMM