All of lore.kernel.org
 help / color / mirror / Atom feed
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

WARNING: multiple messages have this Message-ID (diff)
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	[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


  parent reply	other threads:[~2019-12-02 18:27 UTC|newest]

Thread overview: 82+ 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 ` Xiang Zheng
2019-11-11  1:40 ` [RESEND PATCH v21 1/6] hw/arm/virt: Introduce a RAS machine option Xiang Zheng
2019-11-11  1:40   ` Xiang Zheng
2019-12-02 18:22   ` Peter Maydell
2019-12-02 18:22     ` Peter Maydell
2019-12-07 12:10     ` gengdongjiu
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
2019-11-11  1:40   ` Xiang Zheng
2019-11-15  9:44   ` Igor Mammedov
2019-11-15  9:44     ` Igor Mammedov
2019-11-27  1:37     ` Xiang Zheng
2019-11-27  1:37       ` Xiang Zheng
2019-11-27  8:12       ` Igor Mammedov
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
2019-11-11  1:40   ` Xiang Zheng
2019-11-15  9:38   ` Igor Mammedov
2019-11-15  9:38     ` Igor Mammedov
2019-11-18 12:49     ` gengdongjiu
2019-11-18 12:49       ` gengdongjiu
2019-11-18 13:18       ` gengdongjiu
2019-11-18 13:18         ` gengdongjiu
2019-11-18 13:21         ` Michael S. Tsirkin
2019-11-18 13:21           ` Michael S. Tsirkin
2019-11-18 13:57           ` gengdongjiu
2019-11-18 13:57             ` gengdongjiu
2019-11-25  9:48           ` Igor Mammedov
2019-11-25  9:48             ` Igor Mammedov
2019-11-27 11:16             ` gengdongjiu
2019-11-27 11:16               ` gengdongjiu
2019-11-22 15:44       ` Beata Michalska
2019-11-22 15:44         ` Beata Michalska
2019-11-22 15:42   ` Beata Michalska
2019-11-22 15:42     ` Beata Michalska
2019-11-25  9:23     ` Igor Mammedov
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
2019-11-11  1:40   ` Xiang Zheng
2019-12-02 18:23   ` Peter Maydell
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
2019-11-11  1:40   ` Xiang Zheng
2019-11-15 16:37   ` Igor Mammedov
2019-11-15 16:37     ` Igor Mammedov
2019-11-22 15:47     ` Beata Michalska
2019-11-22 15:47       ` Beata Michalska
2019-11-25  9:37       ` Igor Mammedov
2019-11-25  9:37         ` Igor Mammedov
2019-11-27  1:40     ` Xiang Zheng
2019-11-27  1:40       ` Xiang Zheng
2019-11-27 10:43       ` Igor Mammedov
2019-11-27 10:43         ` Igor Mammedov
2019-12-21 12:35     ` gengdongjiu
2019-12-21 12:35       ` gengdongjiu
2019-11-22 15:47   ` Beata Michalska
2019-11-22 15:47     ` Beata Michalska
2019-11-27 12:47     ` Xiang Zheng
2019-11-27 12:47       ` Xiang Zheng
2019-11-27 13:02       ` Igor Mammedov
2019-11-27 13:02         ` Igor Mammedov
2019-11-27 14:17         ` Beata Michalska
2019-11-27 14:17           ` Beata Michalska
2019-12-03  3:35           ` Xiang Zheng
2019-12-03  3:35             ` Xiang Zheng
2019-11-27 14:17       ` Beata Michalska
2019-11-27 14:17         ` Beata Michalska
2019-12-03  3:35         ` Xiang Zheng
2019-12-03  3:35           ` Xiang Zheng
2019-12-07  9:33     ` gengdongjiu
2019-12-07  9:33       ` gengdongjiu
2019-12-09 13:05       ` Beata Michalska
2019-12-09 13:05         ` Beata Michalska
2019-12-09 14:12         ` gengdongjiu
2019-12-09 14:12           ` gengdongjiu
2019-11-11  1:40 ` [RESEND PATCH v21 6/6] MAINTAINERS: Add APCI/APEI/GHES entries Xiang Zheng
2019-11-11  1:40   ` Xiang Zheng
2019-12-02 18:27 ` Peter Maydell [this message]
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
2019-12-03  2:09     ` gengdongjiu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAFEAcA96Pk_d_T2=GL-QyEBwEXC2fV89K=5h4nEtSHUL0VKZQg@mail.gmail.com' \
    --to=peter.maydell@linaro.org \
    --cc=ehabkost@redhat.com \
    --cc=gengdongjiu@huawei.com \
    --cc=imammedo@redhat.com \
    --cc=james.morse@arm.com \
    --cc=jonathan.cameron@huawei.com \
    --cc=kvm@vger.kernel.org \
    --cc=lersek@redhat.com \
    --cc=linuxarm@huawei.com \
    --cc=mst@redhat.com \
    --cc=mtosatti@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=qemu-arm@nongnu.org \
    --cc=qemu-devel@nongnu.org \
    --cc=rth@twiddle.net \
    --cc=shannon.zhaosl@gmail.com \
    --cc=wanghaibin.wang@huawei.com \
    --cc=xuwei5@huawei.com \
    --cc=zhengxiang9@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.