From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Wei Liu <wei.liu@kernel.org>
Cc: Linux on Hyper-V List <linux-hyperv@vger.kernel.org>,
Stephen Hemminger <sthemmin@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Linux Kernel List <linux-kernel@vger.kernel.org>,
Michael Kelley <mikelley@microsoft.com>,
Nuno Das Neves <nunodasneves@linux.microsoft.com>,
Sunil Muthuswamy <sunilmut@microsoft.com>,
virtualization@lists.linux-foundation.org,
Vineeth Pillai <viremana@linux.microsoft.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v2 05/17] clocksource/hyperv: use MSR-based access if running as root
Date: Thu, 12 Nov 2020 12:40:53 +0100 [thread overview]
Message-ID: <2c5101fb-f3de-7b0c-ee76-e5a0e6b32098@linaro.org> (raw)
In-Reply-To: <20201112112437.lt3g5bhpjym3evu5@liuwe-devbox-debian-v2>
On 12/11/2020 12:24, Wei Liu wrote:
> On Thu, Nov 12, 2020 at 10:56:17AM +0100, Daniel Lezcano wrote:
>> On 05/11/2020 17:58, Wei Liu wrote:
>>> Signed-off-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>>> ---
>>
>> I would like to apply this patch but the changelog is too short (one line).
>>
>> Please add a small paragraph (no need to resend just answer here, I will
>> amend the log myself.
>
> Please don't apply this to your tree. It is dependent on a previous
> patch. I expect this series to go through the hyperv tree.
>
> I will add in this small paragraph in a later version:
>
> When Linux runs as the root partition, the setup required for TSC page
> is different. Luckily Linux also has access to the MSR based
> clocksource. We can just disable the TSC page clocksource if Linux is
> the root partition.
>
> If you're happy with the description, I would love to have an ack from
> you. I will funnel the patch via the hyperv tree.
>
> Wei.
>
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next prev parent reply other threads:[~2020-11-12 11:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201105165814.29233-1-wei.liu@kernel.org>
[not found] ` <20201105165814.29233-3-wei.liu@kernel.org>
2020-11-05 19:16 ` [PATCH v2 02/17] x86/hyperv: detect if Linux is the root partition kernel test robot
2020-11-05 20:23 ` kernel test robot
2020-11-12 15:16 ` Vitaly Kuznetsov
[not found] ` <20201105165814.29233-8-wei.liu@kernel.org>
2020-11-05 20:07 ` [PATCH v2 07/17] x86/hyperv: extract partition ID from Microsoft Hypervisor if necessary kernel test robot
2020-11-05 20:20 ` kernel test robot
2020-11-12 15:44 ` Vitaly Kuznetsov
[not found] ` <20201105165814.29233-6-wei.liu@kernel.org>
2020-11-12 9:56 ` [PATCH v2 05/17] clocksource/hyperv: use MSR-based access if running as root Daniel Lezcano
[not found] ` <20201112112437.lt3g5bhpjym3evu5@liuwe-devbox-debian-v2>
2020-11-12 11:40 ` Daniel Lezcano [this message]
2020-11-12 15:30 ` Vitaly Kuznetsov
[not found] ` <20201105165814.29233-2-wei.liu@kernel.org>
2020-11-12 15:14 ` [PATCH v2 01/17] asm-generic/hyperv: change HV_CPU_POWER_MANAGEMENT to HV_CPU_MANAGEMENT Vitaly Kuznetsov
[not found] ` <20201105165814.29233-4-wei.liu@kernel.org>
2020-11-12 15:24 ` [PATCH v2 03/17] Drivers: hv: vmbus: skip VMBus initialization if Linux is root Vitaly Kuznetsov
[not found] ` <20201105165814.29233-5-wei.liu@kernel.org>
2020-11-12 15:27 ` [PATCH v2 04/17] iommu/hyperv: don't setup IRQ remapping when running as root Vitaly Kuznetsov
[not found] ` <20201105165814.29233-7-wei.liu@kernel.org>
2020-11-12 15:35 ` [PATCH v2 06/17] x86/hyperv: allocate output arg pages if required Vitaly Kuznetsov
[not found] ` <20201105165814.29233-9-wei.liu@kernel.org>
2020-11-12 15:51 ` [PATCH v2 08/17] x86/hyperv: handling hypercall page setup for root Vitaly Kuznetsov
[not found] ` <20201113153333.yt54enp5dbqjj5nu@liuwe-devbox-debian-v2>
[not found] ` <20201113160907.rwgpge3zo53fcgvo@liuwe-devbox-debian-v2>
2020-11-13 16:16 ` Vitaly Kuznetsov
[not found] ` <20201105165814.29233-10-wei.liu@kernel.org>
2020-11-12 15:57 ` [PATCH v2 09/17] x86/hyperv: provide a bunch of helper functions Vitaly Kuznetsov
[not found] ` <20201113155111.fcruk7dlsp6ohoq5@liuwe-devbox-debian-v2>
2020-11-13 16:13 ` Vitaly Kuznetsov
[not found] ` <20201105165814.29233-11-wei.liu@kernel.org>
2020-11-12 16:44 ` [PATCH v2 10/17] x86/hyperv: implement and use hv_smp_prepare_cpus Vitaly Kuznetsov
[not found] ` <20201105165814.29233-18-wei.liu@kernel.org>
2020-11-12 16:56 ` [PATCH v2 17/17] x86/hyperv: handle IO-APIC when running as root Vitaly Kuznetsov
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