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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 0/6] Add ARMv8 RAS virtualization support in QEMU
Date: Mon, 2 Dec 2019 18:27:40 +0000
Message-ID: <CAFEAcA96Pk_d_T2=GL-QyEBwEXC2fV89K=5h4nEtSHUL0VKZQg@mail.gmail.com> (raw)
In-Reply-To: <20191111014048.21296-1-zhengxiang9@huawei.com>

On Mon, 11 Nov 2019 at 01:44, Xiang Zheng <zhengxiang9@huawei.com> wrote:
>
> In the ARMv8 platform, the CPU error types are synchronous external abort(SEA)
> and SError Interrupt (SEI). If exception happens in guest, sometimes it's better
> for guest to perform the recovery, because host does not know the detailed
> information of guest. For example, if an exception happens in a user-space
> application within guest, host does not know which application encounters
> errors.
>
> 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 into 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've given you reviewed-by tags on a couple of patches; other
people have given review comments on some of the other patches,
so I think you have enough to do a v22 addressing those.

thanks
-- PMM


  parent reply index

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-11  1:40 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
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 ` Peter Maydell [this message]
2019-12-03  2:09   ` [RESEND PATCH v21 0/6] Add ARMv8 RAS virtualization support in QEMU gengdongjiu

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