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List:       qemu-arm
Subject:    Re: [PATCH v8 15/19] hvf: arm: Implement -cpu host
From:       Sergio Lopez <slp () redhat ! com>
Date:       2021-05-27 11:18:53
Message-ID: 20210527111853.3zuudgp5xjwydelj () mhamilton
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On Wed, May 19, 2021 at 10:22:49PM +0200, Alexander Graf wrote:
> Now that we have working system register sync, we push more target CPU
> properties into the virtual machine. That might be useful in some
> situations, but is not the typical case that users want.
> 
> So let's add a -cpu host option that allows them to explicitly pass all
> CPU capabilities of their host CPU into the guest.
> 
> Signed-off-by: Alexander Graf <agraf@csgraf.de>
> Acked-by: Roman Bolshakov <r.bolshakov@yadro.com>
> 
> ---
> 
> v6 -> v7:
> 
>   - Move function define to own header
>   - Do not propagate SVE features for HVF
>   - Remove stray whitespace change
>   - Verify that EL0 and EL1 do not allow AArch32 mode
>   - Only probe host CPU features once
> ---
>  target/arm/cpu.c     |  9 ++++--
>  target/arm/cpu.h     |  2 ++
>  target/arm/hvf/hvf.c | 72 ++++++++++++++++++++++++++++++++++++++++++++
>  target/arm/hvf_arm.h | 19 ++++++++++++
>  target/arm/kvm_arm.h |  2 --
>  5 files changed, 100 insertions(+), 4 deletions(-)
>  create mode 100644 target/arm/hvf_arm.h

Reviewed-by: Sergio Lopez <slp@redhat.com>
Tested-by: Sergio Lopez <slp@redhat.com>

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