RE: [PATCH 9/9] target/arm/kvm: Write CPU state back to KVM on reset

[Salil Mehta]

> From: Alex Bennée <alex.bennee@linaro.org>
> Sent: Friday, September 29, 2023 3:40 PM
> To: Salil Mehta <salil.mehta@huawei.com>
> Cc: qemu-devel@nongnu.org; qemu-arm@nongnu.org; maz@kernel.org; jean-
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> zhukeqian <zhukeqian1@huawei.com>; wangxiongfeng (C)
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> Subject: Re: [PATCH 9/9] target/arm/kvm: Write CPU state back to KVM on
> reset
> 
> 
> Salil Mehta <salil.mehta@huawei.com> writes:
> 
> > From: Jean-Philippe Brucker <jean-philippe@linaro.org>
> >
> > When a KVM vCPU is reset following a PSCI CPU_ON call, its power state
> > is not synchronized with KVM at the moment. Because the vCPU is not
> > marked dirty, we miss the call to kvm_arch_put_registers() that writes
> > to KVM's MP_STATE. Force mp_state synchronization.
> >
> > Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> > Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
> 
> Seems reasonable:
> 
> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

Thanks
Salil.