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From: Peter Maydell <peter.maydell@linaro.org>
To: Dongjiu Geng <gengdongjiu@huawei.com>
Cc: Fam Zheng <fam@euphon.net>,
	Xiao Guangrong <xiaoguangrong.eric@gmail.com>,
	kvm-devel <kvm@vger.kernel.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Eduardo Habkost <ehabkost@redhat.com>,
	Linuxarm <linuxarm@huawei.com>,
	Shannon Zhao <shannon.zhaosl@gmail.com>,
	Zheng Xiang <zhengxiang9@huawei.com>,
	qemu-arm <qemu-arm@nongnu.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH v25 00/10] Add ARMv8 RAS virtualization support in QEMU
Date: Fri, 17 Apr 2020 14:32:27 +0100	[thread overview]
Message-ID: <CAFEAcA9oNuDf=bdSSE8mZWrB23+FegD5NeSAmu8dGWhB=adBQg@mail.gmail.com> (raw)
In-Reply-To: <20200410114639.32844-1-gengdongjiu@huawei.com>

On Fri, 10 Apr 2020 at 12:46, Dongjiu Geng <gengdongjiu@huawei.com> wrote:
>
> In the ARMv8 platform, the CPU error types includes synchronous external abort(SEA)
> and SError Interrupt (SEI). If exception happens in guest, host does not know the detailed
> information of guest, so it is expected that guest can do the recovery. For example, if an
> exception happens in a guest user-space application, host does not know which application
> encounters errors, only guest knows it.
>
> For the ARMv8 SEA/SEI, KVM or host kernel delivers SIGBUS to notify userspace.
> After user space gets the notification, it will record the CPER into guest GHES
> buffer and inject an exception or IRQ to guest.
>
> In the current implementation, if the type of SIGBUS is BUS_MCEERR_AR, we will
> treat it as a synchronous exception, and notify guest with ARMv8 SEA
> notification type after recording CPER into guest.

Hi. I left a comment on patch 1. The other 3 patches unreviewed
are 5, 6 and 8, which are all ACPI core code, so that's for
MST, Igor or Shannon to review.

Once those have been reviewed, please ping me if you want this
to go via target-arm.next.

thanks
-- PMM


  parent reply	other threads:[~2020-04-17 13:33 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-10 11:46 [PATCH v25 00/10] Add ARMv8 RAS virtualization support in QEMU Dongjiu Geng
2020-04-10 11:46 ` [PATCH v25 01/10] acpi: nvdimm: change NVDIMM_UUID_LE to a common macro Dongjiu Geng
2020-04-17 13:15   ` Peter Maydell
2020-04-10 11:46 ` [PATCH v25 02/10] hw/arm/virt: Introduce a RAS machine option Dongjiu Geng
2020-05-05 10:23   ` Igor Mammedov
2020-04-10 11:46 ` [PATCH v25 03/10] docs: APEI GHES generation and CPER record description Dongjiu Geng
2020-04-10 11:46 ` [PATCH v25 04/10] ACPI: Build related register address fields via hardware error fw_cfg blob Dongjiu Geng
2020-05-06 20:22   ` Michael S. Tsirkin
2020-04-10 11:46 ` [PATCH v25 05/10] ACPI: Build Hardware Error Source Table Dongjiu Geng
2020-05-05 10:29   ` Igor Mammedov
2020-05-06 20:22   ` Michael S. Tsirkin
2020-04-10 11:46 ` [PATCH v25 06/10] ACPI: Record the Generic Error Status Block address Dongjiu Geng
2020-05-05 10:31   ` Igor Mammedov
2020-05-06 20:23   ` Michael S. Tsirkin
2020-04-10 11:46 ` [PATCH v25 07/10] KVM: Move hwpoison page related functions into kvm-all.c Dongjiu Geng
2020-04-10 11:46 ` [PATCH v25 08/10] ACPI: Record Generic Error Status Block(GESB) table Dongjiu Geng
2020-05-05 10:44   ` Igor Mammedov
2020-05-06 11:20     ` gengdongjiu
2020-05-06 20:23   ` Michael S. Tsirkin
2020-04-10 11:46 ` [PATCH v25 09/10] target-arm: kvm64: handle SIGBUS signal from kernel or KVM Dongjiu Geng
2020-05-05 11:23   ` Igor Mammedov
2020-04-10 11:46 ` [PATCH v25 10/10] MAINTAINERS: Add ACPI/HEST/GHES entries Dongjiu Geng
2020-04-16 13:53 ` [PATCH v25 00/10] Add ARMv8 RAS virtualization support in QEMU gengdongjiu
     [not found] ` <5e9863af.1c69fb81.dbe22.5caaSMTPIN_ADDED_BROKEN@mx.google.com>
2020-04-16 14:02   ` Peter Maydell
2020-04-17 13:32 ` Peter Maydell [this message]
2020-04-17 13:37   ` gengdongjiu
2020-04-18  2:40   ` gengdongjiu
2020-04-30  3:56   ` gengdongjiu
2020-04-30 12:00     ` Igor Mammedov
2020-05-06 11:42   ` gengdongjiu
2020-05-06 20:25     ` Michael S. Tsirkin
2020-05-07  4:30       ` gengdongjiu
2020-05-07 13:46       ` gengdongjiu
2020-05-02 22:21 gengdongjiu

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