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From: Peter Maydell <peter.maydell@linaro.org>
To: Xiang Zheng <zhengxiang9@huawei.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>,
	kvm-devel <kvm@vger.kernel.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	wanghaibin.wang@huawei.com, Marcelo Tosatti <mtosatti@redhat.com>,
	Linuxarm <linuxarm@huawei.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	gengdongjiu <gengdongjiu@huawei.com>,
	Shannon Zhao <shannon.zhaosl@gmail.com>,
	qemu-arm <qemu-arm@nongnu.org>, James Morse <james.morse@arm.com>,
	Jonathan Cameron <jonathan.cameron@huawei.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	"xuwei \(O\)" <xuwei5@huawei.com>,
	Laszlo Ersek <lersek@redhat.com>,
	Richard Henderson <rth@twiddle.net>
Subject: Re: [RESEND PATCH v21 1/6] hw/arm/virt: Introduce a RAS machine option
Date: Mon, 2 Dec 2019 18:22:07 +0000
Message-ID: <CAFEAcA8fkc+0RhOH7780sREPUOaCvE-rpUkwFN0-hwsVD7RiMg@mail.gmail.com> (raw)
In-Reply-To: <20191111014048.21296-2-zhengxiang9@huawei.com>

On Mon, 11 Nov 2019 at 01:44, Xiang Zheng <zhengxiang9@huawei.com> wrote:
>
> From: Dongjiu Geng <gengdongjiu@huawei.com>
>
> RAS Virtualization feature is not supported now, so add a RAS machine
> option and disable it by default.
>
> Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
> Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
> ---
>  hw/arm/virt.c         | 23 +++++++++++++++++++++++
>  include/hw/arm/virt.h |  1 +
>  2 files changed, 24 insertions(+)
>
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index d4bedc2607..ea0fbf82be 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -1819,6 +1819,20 @@ static void virt_set_its(Object *obj, bool value, Error **errp)
>      vms->its = value;
>  }
>
> +static bool virt_get_ras(Object *obj, Error **errp)
> +{
> +    VirtMachineState *vms = VIRT_MACHINE(obj);
> +
> +    return vms->ras;
> +}
> +
> +static void virt_set_ras(Object *obj, bool value, Error **errp)
> +{
> +    VirtMachineState *vms = VIRT_MACHINE(obj);
> +
> +    vms->ras = value;
> +}
> +
>  static char *virt_get_gic_version(Object *obj, Error **errp)
>  {
>      VirtMachineState *vms = VIRT_MACHINE(obj);
> @@ -2122,6 +2136,15 @@ static void virt_instance_init(Object *obj)
>                                      "Valid values are none and smmuv3",
>                                      NULL);
>
> +    /* Default disallows RAS instantiation */
> +    vms->ras = false;
> +    object_property_add_bool(obj, "ras", virt_get_ras,
> +                             virt_set_ras, NULL);
> +    object_property_set_description(obj, "ras",
> +                                    "Set on/off to enable/disable "
> +                                    "RAS instantiation",
> +                                    NULL);

I think we could make the user-facing description of
the option a little clearer: something like
"Set on/off to enable/disable reporting host memory errors
to a KVM guest using ACPI and guest external abort exceptions"

?

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

thanks
-- PMM


  reply index

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-11  1:40 [RESEND PATCH v21 0/6] Add ARMv8 RAS virtualization support in QEMU Xiang Zheng
2019-11-11  1:40 ` [RESEND PATCH v21 1/6] hw/arm/virt: Introduce a RAS machine option Xiang Zheng
2019-12-02 18:22   ` Peter Maydell [this message]
2019-12-07 12:10     ` gengdongjiu
2019-11-11  1:40 ` [RESEND PATCH v21 2/6] docs: APEI GHES generation and CPER record description Xiang Zheng
2019-11-15  9:44   ` Igor Mammedov
2019-11-27  1:37     ` Xiang Zheng
2019-11-27  8:12       ` Igor Mammedov
2019-11-11  1:40 ` [RESEND PATCH v21 3/6] ACPI: Add APEI GHES table generation support Xiang Zheng
2019-11-15  9:38   ` Igor Mammedov
2019-11-18 12:49     ` gengdongjiu
2019-11-18 13:18       ` gengdongjiu
2019-11-18 13:21         ` Michael S. Tsirkin
2019-11-18 13:57           ` gengdongjiu
2019-11-25  9:48           ` Igor Mammedov
2019-11-27 11:16             ` gengdongjiu
2019-11-22 15:44       ` Beata Michalska
2019-11-22 15:42   ` Beata Michalska
2019-11-25  9:23     ` Igor Mammedov
2019-11-11  1:40 ` [RESEND PATCH v21 4/6] KVM: Move hwpoison page related functions into kvm-all.c Xiang Zheng
2019-12-02 18:23   ` Peter Maydell
2019-11-11  1:40 ` [RESEND PATCH v21 5/6] target-arm: kvm64: handle SIGBUS signal from kernel or KVM Xiang Zheng
2019-11-15 16:37   ` Igor Mammedov
2019-11-22 15:47     ` Beata Michalska
2019-11-25  9:37       ` Igor Mammedov
2019-11-27  1:40     ` Xiang Zheng
2019-11-27 10:43       ` Igor Mammedov
2019-12-21 12:35     ` gengdongjiu
2019-11-22 15:47   ` Beata Michalska
2019-11-27 12:47     ` Xiang Zheng
2019-11-27 13:02       ` Igor Mammedov
2019-11-27 14:17         ` Beata Michalska
2019-12-03  3:35           ` Xiang Zheng
2019-11-27 14:17       ` Beata Michalska
2019-12-03  3:35         ` Xiang Zheng
2019-12-07  9:33     ` gengdongjiu
2019-12-09 13:05       ` Beata Michalska
2019-12-09 14:12         ` gengdongjiu
2019-11-11  1:40 ` [RESEND PATCH v21 6/6] MAINTAINERS: Add APCI/APEI/GHES entries Xiang Zheng
2019-12-02 18:27 ` [RESEND PATCH v21 0/6] Add ARMv8 RAS virtualization support in QEMU Peter Maydell
2019-12-03  2:09   ` gengdongjiu

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