From: Peter Maydell <peter.maydell@linaro.org>
To: Xiang Zheng <zhengxiang9@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>,
Laszlo Ersek <lersek@redhat.com>,
James Morse <james.morse@arm.com>,
gengdongjiu <gengdongjiu@huawei.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
Richard Henderson <rth@twiddle.net>,
Eduardo Habkost <ehabkost@redhat.com>,
Jonathan Cameron <jonathan.cameron@huawei.com>,
"xuwei (O)" <xuwei5@huawei.com>, kvm-devel <kvm@vger.kernel.org>,
QEMU Developers <qemu-devel@nongnu.org>,
qemu-arm <qemu-arm@nongnu.org>, Linuxarm <linuxarm@huawei.com>,
wanghaibin.wang@huawei.com
Subject: Re: [RESEND PATCH v21 0/6] Add ARMv8 RAS virtualization support in QEMU
Date: Mon, 2 Dec 2019 18:27:40 +0000 [thread overview]
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
next prev parent reply other threads:[~2019-12-02 18:27 UTC|newest]
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
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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