From: James Morse <james.morse@arm.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Christoffer Dall <cdall@linaro.org>,
Dongjiu Geng <gengdongjiu@huawei.com>,
marc.zyngier@arm.com, christoffer.dall@linaro.org,
rkrcmar@redhat.com, linux@armlinux.org.uk,
tbaicar@codeaurora.org, imammedo@redhat.com,
zhaoshenglong@huawei.com, peter.maydell@linaro.org,
qemu-devel@nongnu.org, qemu-arm@nongnu.org, lersek@redhat.com,
ard.biesheuvel@linaro.org, mtsirkin@redhat.com,
drjones@redhat.com, ben@skyportsystems.com, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, xiexiuqi@huawei.com,
wangxiongfeng2@huawei.com, songwenjun@huawei.com,
wuquanming@huawei.com, huangshaoyu@huawei.com
Subject: Re: [PATCH v3 1/3] arm64: kvm: support kvmtool to detect RAS extension feature
Date: Thu, 04 May 2017 09:19:23 +0100 [thread overview]
Message-ID: <590AE40B.7060002@arm.com> (raw)
In-Reply-To: <8d443da4-d17f-2487-10d5-b6c9639dc5a4@redhat.com>
Hi Paolo,
On 02/05/17 16:48, Paolo Bonzini wrote:
> On 02/05/2017 09:56, Christoffer Dall wrote:
>> The subject and description of these patches are also misleading.
>> Hopefully this is in no way tied to kvmtool, but to userspace
>> generically, for example also to be used by QEMU?
>
> Yes, QEMU already has a similar capability on x86.
>
> Does ARM support background scrubbing of memory to detect errors?
As part of RAS support, yes. A way for firmware to notify the OS about these
events was recently added to the ACPI specification.
We are aiming to turn on ARCH_SUPPORTS_MEMORY_FAILURE which does the Linux end
of things. Punit has a series here:
https://www.spinics.net/lists/arm-kernel/msg575944.html
> If
> so, are there any plans to support action-optional SIGBUS on ARM?
It looks like ARCH_SUPPORTS_MEMORY_FAILURE will bring that in, so yes.
Thanks,
James
WARNING: multiple messages have this Message-ID (diff)
From: James Morse <james.morse@arm.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: mtsirkin@redhat.com, kvm@vger.kernel.org, tbaicar@codeaurora.org,
qemu-devel@nongnu.org, wangxiongfeng2@huawei.com,
Christoffer Dall <cdall@linaro.org>,
ben@skyportsystems.com, linux@armlinux.org.uk,
Dongjiu Geng <gengdongjiu@huawei.com>,
kvmarm@lists.cs.columbia.edu, huangshaoyu@huawei.com,
lersek@redhat.com, songwenjun@huawei.com, wuquanming@huawei.com,
marc.zyngier@arm.com, qemu-arm@nongnu.org,
linux-arm-kernel@lists.infradead.org, ard.biesheuvel@linaro.org,
imammedo@redhat.com
Subject: Re: [PATCH v3 1/3] arm64: kvm: support kvmtool to detect RAS extension feature
Date: Thu, 04 May 2017 09:19:23 +0100 [thread overview]
Message-ID: <590AE40B.7060002@arm.com> (raw)
In-Reply-To: <8d443da4-d17f-2487-10d5-b6c9639dc5a4@redhat.com>
Hi Paolo,
On 02/05/17 16:48, Paolo Bonzini wrote:
> On 02/05/2017 09:56, Christoffer Dall wrote:
>> The subject and description of these patches are also misleading.
>> Hopefully this is in no way tied to kvmtool, but to userspace
>> generically, for example also to be used by QEMU?
>
> Yes, QEMU already has a similar capability on x86.
>
> Does ARM support background scrubbing of memory to detect errors?
As part of RAS support, yes. A way for firmware to notify the OS about these
events was recently added to the ACPI specification.
We are aiming to turn on ARCH_SUPPORTS_MEMORY_FAILURE which does the Linux end
of things. Punit has a series here:
https://www.spinics.net/lists/arm-kernel/msg575944.html
> If
> so, are there any plans to support action-optional SIGBUS on ARM?
It looks like ARCH_SUPPORTS_MEMORY_FAILURE will bring that in, so yes.
Thanks,
James
_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
WARNING: multiple messages have this Message-ID (diff)
From: james.morse@arm.com (James Morse)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 1/3] arm64: kvm: support kvmtool to detect RAS extension feature
Date: Thu, 04 May 2017 09:19:23 +0100 [thread overview]
Message-ID: <590AE40B.7060002@arm.com> (raw)
In-Reply-To: <8d443da4-d17f-2487-10d5-b6c9639dc5a4@redhat.com>
Hi Paolo,
On 02/05/17 16:48, Paolo Bonzini wrote:
> On 02/05/2017 09:56, Christoffer Dall wrote:
>> The subject and description of these patches are also misleading.
>> Hopefully this is in no way tied to kvmtool, but to userspace
>> generically, for example also to be used by QEMU?
>
> Yes, QEMU already has a similar capability on x86.
>
> Does ARM support background scrubbing of memory to detect errors?
As part of RAS support, yes. A way for firmware to notify the OS about these
events was recently added to the ACPI specification.
We are aiming to turn on ARCH_SUPPORTS_MEMORY_FAILURE which does the Linux end
of things. Punit has a series here:
https://www.spinics.net/lists/arm-kernel/msg575944.html
> If
> so, are there any plans to support action-optional SIGBUS on ARM?
It looks like ARCH_SUPPORTS_MEMORY_FAILURE will bring that in, so yes.
Thanks,
James
WARNING: multiple messages have this Message-ID (diff)
From: James Morse <james.morse@arm.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Christoffer Dall <cdall@linaro.org>,
Dongjiu Geng <gengdongjiu@huawei.com>,
marc.zyngier@arm.com, christoffer.dall@linaro.org,
rkrcmar@redhat.com, linux@armlinux.org.uk,
tbaicar@codeaurora.org, imammedo@redhat.com,
zhaoshenglong@huawei.com, peter.maydell@linaro.org,
qemu-devel@nongnu.org, qemu-arm@nongnu.org, lersek@redhat.com,
ard.biesheuvel@linaro.org, mtsirkin@redhat.com,
drjones@redhat.com, ben@skyportsystems.com, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, xiexiuqi@huawei.com,
wangxiongfeng2@huawei.com, songwenjun@huawei.com,
wuquanming@huawei.com, huangshaoyu@huawei.com
Subject: Re: [Qemu-devel] [PATCH v3 1/3] arm64: kvm: support kvmtool to detect RAS extension feature
Date: Thu, 04 May 2017 09:19:23 +0100 [thread overview]
Message-ID: <590AE40B.7060002@arm.com> (raw)
In-Reply-To: <8d443da4-d17f-2487-10d5-b6c9639dc5a4@redhat.com>
Hi Paolo,
On 02/05/17 16:48, Paolo Bonzini wrote:
> On 02/05/2017 09:56, Christoffer Dall wrote:
>> The subject and description of these patches are also misleading.
>> Hopefully this is in no way tied to kvmtool, but to userspace
>> generically, for example also to be used by QEMU?
>
> Yes, QEMU already has a similar capability on x86.
>
> Does ARM support background scrubbing of memory to detect errors?
As part of RAS support, yes. A way for firmware to notify the OS about these
events was recently added to the ACPI specification.
We are aiming to turn on ARCH_SUPPORTS_MEMORY_FAILURE which does the Linux end
of things. Punit has a series here:
https://www.spinics.net/lists/arm-kernel/msg575944.html
> If
> so, are there any plans to support action-optional SIGBUS on ARM?
It looks like ARCH_SUPPORTS_MEMORY_FAILURE will bring that in, so yes.
Thanks,
James
next prev parent reply other threads:[~2017-05-04 8:19 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-30 5:37 [PATCH v3 1/3] arm64: kvm: support kvmtool to detect RAS extension feature Dongjiu Geng
2017-04-30 5:37 ` [Qemu-devel] " Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-04-30 5:37 ` [PATCH v3 2/3] arm64: kvm: inject SError with virtual syndrome Dongjiu Geng
2017-04-30 5:37 ` [Qemu-devel] " Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-05-02 8:03 ` Christoffer Dall
2017-05-02 8:03 ` [Qemu-devel] " Christoffer Dall
2017-05-02 8:03 ` Christoffer Dall
2017-05-02 8:03 ` Christoffer Dall
2017-05-02 12:20 ` gengdongjiu
2017-05-02 12:20 ` [Qemu-devel] " gengdongjiu
2017-05-02 12:20 ` gengdongjiu
2017-05-02 12:20 ` gengdongjiu
2017-05-02 12:20 ` [Qemu-arm] " gengdongjiu
2017-05-02 15:37 ` James Morse
2017-05-02 15:37 ` [Qemu-devel] " James Morse
2017-05-02 15:37 ` James Morse
2017-05-05 13:19 ` gengdongjiu
2017-05-05 13:19 ` [Qemu-devel] " gengdongjiu
2017-05-05 13:19 ` gengdongjiu
2017-05-05 13:19 ` [Qemu-arm] " gengdongjiu
2017-05-12 17:24 ` James Morse
2017-05-12 17:24 ` [Qemu-devel] " James Morse
2017-05-12 17:24 ` James Morse
2017-05-12 17:24 ` James Morse
2017-05-21 9:08 ` gengdongjiu
2017-05-21 9:08 ` [Qemu-devel] " gengdongjiu
2017-05-21 9:08 ` gengdongjiu
2017-05-21 9:08 ` gengdongjiu
2017-04-30 5:37 ` [PATCH v3 3/3] arm/arm64: signal SIBGUS and inject SEA Error Dongjiu Geng
2017-04-30 5:37 ` [Qemu-devel] " Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-04-30 5:37 ` Dongjiu Geng
2017-05-02 15:41 ` James Morse
2017-05-02 15:41 ` [Qemu-devel] " James Morse
2017-05-02 15:41 ` James Morse
2017-05-02 7:56 ` [PATCH v3 1/3] arm64: kvm: support kvmtool to detect RAS extension feature Christoffer Dall
2017-05-02 7:56 ` [Qemu-devel] " Christoffer Dall
2017-05-02 7:56 ` Christoffer Dall
2017-05-02 11:05 ` gengdongjiu
2017-05-02 11:05 ` [Qemu-devel] " gengdongjiu
2017-05-02 11:05 ` gengdongjiu
2017-05-02 11:05 ` gengdongjiu
2017-05-02 11:05 ` [Qemu-arm] " gengdongjiu
2017-05-02 12:15 ` gengdongjiu
2017-05-02 12:15 ` [Qemu-devel] " gengdongjiu
2017-05-02 12:15 ` gengdongjiu
2017-05-02 12:15 ` gengdongjiu
2017-05-02 12:15 ` [Qemu-arm] " gengdongjiu
2017-05-02 15:48 ` Paolo Bonzini
2017-05-02 15:48 ` [Qemu-devel] " Paolo Bonzini
2017-05-02 15:48 ` Paolo Bonzini
2017-05-04 8:19 ` James Morse [this message]
2017-05-04 8:19 ` [Qemu-devel] " James Morse
2017-05-04 8:19 ` James Morse
2017-05-04 8:19 ` James Morse
2017-05-02 15:29 ` James Morse
2017-05-02 15:29 ` [Qemu-devel] " James Morse
2017-05-02 15:29 ` James Morse
2017-05-02 15:29 ` James Morse
2017-05-04 15:49 ` James Morse
2017-05-04 15:49 ` [Qemu-devel] " James Morse
2017-05-04 15:49 ` James Morse
2017-05-04 15:49 ` James Morse
2017-05-05 12:44 ` gengdongjiu
2017-05-05 12:44 ` [Qemu-devel] " gengdongjiu
2017-05-05 12:44 ` gengdongjiu
2017-05-05 12:44 ` gengdongjiu
2017-06-26 5:22 ` gengdongjiu
2017-06-26 5:22 ` [Qemu-devel] " gengdongjiu
2017-06-26 5:22 ` gengdongjiu
2017-06-26 5:22 ` [Qemu-arm] " gengdongjiu
-- strict thread matches above, loose matches on Subject: below --
2017-05-04 17:20 gengdongjiu
2017-05-04 17:20 ` gengdongjiu
2017-05-08 17:31 ` James Morse
2017-05-08 17:31 ` James Morse
2017-05-08 17:31 ` James Morse
2017-05-10 8:53 ` gengdongjiu
2017-05-10 8:53 ` gengdongjiu
2017-05-10 8:53 ` gengdongjiu
2017-05-10 8:53 ` gengdongjiu
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