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From: Peter Maydell <peter.maydell@linaro.org>
Date: Tue, 16 Oct 2018 15:05:45 +0100
Message-ID: <CAFEAcA83hcHqsZRzn8+PiVCTyQT=H_uXubxZPU=0H+tycoia-g@mail.gmail.com>
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Subject: Re: [Qemu-devel] [PATCH RFC v11 2/2] target/arm: Add support for
 VCPU event states
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To: Dongjiu Geng <gengdongjiu@huawei.com>
Cc: Andrew Jones <drjones@redhat.com>, Shannon Zhao <shannon.zhaosl@gmail.com>, QEMU Developers <qemu-devel@nongnu.org>, qemu-arm <qemu-arm@nongnu.org>, Zheng Xiang <zhengxiang9@huawei.com>

On 27 September 2018 at 17:55, Dongjiu Geng <gengdongjiu@huawei.com> wrote:
> This patch extends the qemu-kvm state sync logic with support for
> KVM_GET/SET_VCPU_EVENTS, giving access to yet missing SError exception.
> And also it can support the exception state migration.
>
> The SError exception states include SError pending state and ESR value,
> the kvm_put/get_vcpu_events() will be called when set or get system
> registers. When do migration, if source machine has SError pending,
> QEMU will do this migration regardless whether the target machine supports
> to specify guest ESR value, because if target machine does not support that,
> it can also inject the SError with zero ESR value.
>
> Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM