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From: Peter Maydell <peter.maydell@linaro.org>
To: Dongjiu Geng <gengdongjiu@huawei.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Shannon Zhao <shannon.zhaosl@gmail.com>,
	Fam Zheng <fam@euphon.net>, Richard Henderson <rth@twiddle.net>,
	Eduardo Habkost <ehabkost@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	"xuwei (O)" <xuwei5@huawei.com>,
	Jonathan Cameron <jonathan.cameron@huawei.com>,
	James Morse <james.morse@arm.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	kvm-devel <kvm@vger.kernel.org>, qemu-arm <qemu-arm@nongnu.org>,
	Zheng Xiang <zhengxiang9@huawei.com>,
	Linuxarm <linuxarm@huawei.com>
Subject: Re: [PATCH v22 5/9] ACPI: Record the Generic Error Status Block address
Date: Thu, 16 Jan 2020 16:44:00 +0000
Message-ID: <CAFEAcA9z9KDHmvh6WsrCPj_FTvNmOfhatxNQDftNG+ZKZN0wAA@mail.gmail.com> (raw)
In-Reply-To: <1578483143-14905-6-git-send-email-gengdongjiu@huawei.com>

On Wed, 8 Jan 2020 at 11:33, Dongjiu Geng <gengdongjiu@huawei.com> wrote:
>
> Record the GHEB address via fw_cfg file, when recording
> a error to CPER, it will use this address to find out
> Generic Error Data Entries and write the error.
>
> Make the HEST GHES to a GED device.
>
> Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
> Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
> ---
>  hw/acpi/generic_event_device.c         | 15 ++++++++++++++-
>  hw/acpi/ghes.c                         | 16 ++++++++++++++++
>  hw/arm/virt-acpi-build.c               | 13 ++++++++++++-
>  include/hw/acpi/generic_event_device.h |  2 ++
>  include/hw/acpi/ghes.h                 |  6 ++++++
>  5 files changed, 50 insertions(+), 2 deletions(-)
>
> diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
> index 9cee90c..9bf37e4 100644
> --- a/hw/acpi/generic_event_device.c
> +++ b/hw/acpi/generic_event_device.c
> @@ -234,12 +234,25 @@ static const VMStateDescription vmstate_ged_state = {
>      }
>  };
>
> +static const VMStateDescription vmstate_ghes_state = {
> +    .name = "acpi-ghes-state",
> +    .version_id = 1,
> +    .minimum_version_id = 1,
> +    .fields      = (VMStateField[]) {
> +        VMSTATE_UINT64(ghes_addr_le, AcpiGhesState),
> +        VMSTATE_END_OF_LIST()
> +    }
> +};
> +
>  static const VMStateDescription vmstate_acpi_ged = {
>      .name = "acpi-ged",
>      .version_id = 1,
>      .minimum_version_id = 1,
>      .fields = (VMStateField[]) {
> -        VMSTATE_STRUCT(ged_state, AcpiGedState, 1, vmstate_ged_state, GEDState),
> +        VMSTATE_STRUCT(ged_state, AcpiGedState, 1,
> +                       vmstate_ged_state, GEDState),
> +        VMSTATE_STRUCT(ghes_state, AcpiGedState, 1,
> +                       vmstate_ghes_state, AcpiGhesState),
>          VMSTATE_END_OF_LIST(),
>      },
>      .subsections = (const VMStateDescription * []) {

You can't just add fields to an existing VMStateDescription
like this -- it will break migration compatibility. Instead you
need to add a new subsection to this vmstate, with a '.needed'
function which indicates when the subsection should be present.

thanks
-- PMM

  reply index

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-08 11:32 [PATCH v22 0/9] Add ARMv8 RAS virtualization support in QEMU Dongjiu Geng
2020-01-08 11:32 ` [PATCH v22 1/9] hw/arm/virt: Introduce a RAS machine option Dongjiu Geng
2020-01-08 11:32 ` [PATCH v22 2/9] docs: APEI GHES generation and CPER record description Dongjiu Geng
2020-01-15 15:11   ` Igor Mammedov
2020-01-08 11:32 ` [PATCH v22 3/9] ACPI: Build related register address fields via hardware error fw_cfg blob Dongjiu Geng
2020-01-23 15:14   ` Igor Mammedov
2020-02-02 14:01     ` gengdongjiu
2020-01-08 11:32 ` [PATCH v22 4/9] ACPI: Build Hardware Error Source Table Dongjiu Geng
2020-01-23 15:48   ` Igor Mammedov
2020-02-02 14:21     ` gengdongjiu
2020-02-05 16:43   ` Jonathan Cameron
2020-02-10 11:18     ` gengdongjiu
2020-01-08 11:32 ` [PATCH v22 5/9] ACPI: Record the Generic Error Status Block address Dongjiu Geng
2020-01-16 16:44   ` Peter Maydell [this message]
2020-01-17 10:36     ` gengdongjiu
2020-02-13 15:28     ` gengdongjiu
2020-01-17  7:39   ` Philippe Mathieu-Daudé
2020-01-17 10:47     ` gengdongjiu
2020-01-17 11:20       ` Philippe Mathieu-Daudé
2020-01-28 14:41   ` Igor Mammedov
2020-01-28 16:19     ` Igor Mammedov
2020-02-02 12:44     ` gengdongjiu
2020-02-03  7:51       ` Igor Mammedov
2020-01-08 11:32 ` [PATCH v22 6/9] KVM: Move hwpoison page related functions into kvm-all.c Dongjiu Geng
2020-01-08 11:32 ` [PATCH v22 7/9] ACPI: Record Generic Error Status Block(GESB) table Dongjiu Geng
2020-01-28 15:29   ` Igor Mammedov
2020-02-02 13:42     ` gengdongjiu
2020-02-03  7:55       ` Igor Mammedov
2020-01-08 11:32 ` [PATCH v22 8/9] target-arm: kvm64: handle SIGBUS signal from kernel or KVM Dongjiu Geng
2020-01-16 16:28   ` Peter Maydell
2020-01-16 16:40     ` Peter Maydell
2020-01-17 10:04     ` gengdongjiu
2020-01-20 12:15       ` Peter Maydell
2020-01-22 15:30         ` gengdongjiu
2020-01-08 11:32 ` [PATCH v22 9/9] MAINTAINERS: Add ACPI/HEST/GHES entries Dongjiu Geng
2020-01-16 16:46   ` Peter Maydell
2020-01-17  7:22     ` Philippe Mathieu-Daudé
2020-01-17 10:16       ` gengdongjiu
2020-01-17 11:09       ` Peter Maydell
2020-01-17 11:22         ` Philippe Mathieu-Daudé
2020-01-19  8:19           ` gengdongjiu
2020-01-17 12:19         ` Michael S. Tsirkin
2020-01-09  3:38 ` [PATCH v22 0/9] Add ARMv8 RAS virtualization support in QEMU gengdongjiu

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