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>,
virtualization@lists.linux-foundation.org,
Linux Kernel List <linux-kernel@vger.kernel.org>,
Michael Kelley <mikelley@microsoft.com>,
Vineeth Pillai <viremana@linux.microsoft.com>,
Sunil Muthuswamy <sunilmut@microsoft.com>,
Nuno Das Neves <nunodasneves@linux.microsoft.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@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 11:42 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-05 16:57 [PATCH v2 00/17] Introducing Linux root partition support for Microsoft Hypervisor Wei Liu
2020-11-05 16:57 ` [PATCH v2 01/17] asm-generic/hyperv: change HV_CPU_POWER_MANAGEMENT to HV_CPU_MANAGEMENT Wei Liu
2020-11-12 15:14 ` Vitaly Kuznetsov
2020-11-05 16:57 ` [PATCH v2 02/17] x86/hyperv: detect if Linux is the root partition Wei Liu
2020-11-05 19:16 ` kernel test robot
2020-11-12 11:42 ` Wei Liu
2020-11-12 11:46 ` Wei Liu
2020-11-12 12:22 ` Wei Liu
2020-11-05 20:23 ` kernel test robot
2020-11-12 15:16 ` Vitaly Kuznetsov
2020-11-12 15:51 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 03/17] Drivers: hv: vmbus: skip VMBus initialization if Linux is root Wei Liu
2020-11-12 15:24 ` Vitaly Kuznetsov
2020-11-13 14:51 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 04/17] iommu/hyperv: don't setup IRQ remapping when running as root Wei Liu
2020-11-12 15:27 ` Vitaly Kuznetsov
2020-11-13 14:53 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 05/17] clocksource/hyperv: use MSR-based access if " Wei Liu
2020-11-12 9:56 ` Daniel Lezcano
2020-11-12 11:24 ` Wei Liu
2020-11-12 11:40 ` Daniel Lezcano [this message]
2020-11-12 11:42 ` Wei Liu
2020-11-12 15:30 ` Vitaly Kuznetsov
2020-11-12 15:52 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 06/17] x86/hyperv: allocate output arg pages if required Wei Liu
2020-11-12 15:35 ` Vitaly Kuznetsov
2020-11-13 15:05 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 07/17] x86/hyperv: extract partition ID from Microsoft Hypervisor if necessary Wei Liu
2020-11-05 20:07 ` kernel test robot
2020-11-12 11:54 ` Wei Liu
2020-11-05 20:20 ` kernel test robot
2020-11-12 15:44 ` Vitaly Kuznetsov
2020-11-13 15:21 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 08/17] x86/hyperv: handling hypercall page setup for root Wei Liu
2020-11-12 15:51 ` Vitaly Kuznetsov
2020-11-13 15:33 ` Wei Liu
2020-11-13 16:09 ` Wei Liu
2020-11-13 16:16 ` Vitaly Kuznetsov
2020-11-05 16:58 ` [PATCH v2 09/17] x86/hyperv: provide a bunch of helper functions Wei Liu
2020-11-12 15:57 ` Vitaly Kuznetsov
2020-11-13 15:51 ` Wei Liu
2020-11-13 16:13 ` Vitaly Kuznetsov
2020-11-16 11:41 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 10/17] x86/hyperv: implement and use hv_smp_prepare_cpus Wei Liu
2020-11-12 16:44 ` Vitaly Kuznetsov
2020-11-13 15:56 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 11/17] asm-generic/hyperv: update hv_msi_entry Wei Liu
2020-11-05 16:58 ` [PATCH v2 12/17] asm-generic/hyperv: update hv_interrupt_entry Wei Liu
2020-11-05 16:58 ` [PATCH v2 13/17] asm-generic/hyperv: introduce hv_device_id and auxiliary structures Wei Liu
2020-11-05 16:58 ` [PATCH v2 14/17] asm-generic/hyperv: import data structures for mapping device interrupts Wei Liu
2020-11-05 16:58 ` [PATCH v2 15/17] x86/hyperv: implement an MSI domain for root partition Wei Liu
2020-11-12 13:50 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 16/17] x86/ioapic: export a few functions and data structures via io_apic.h Wei Liu
2020-11-12 11:39 ` Wei Liu
2020-11-05 16:58 ` [PATCH v2 17/17] x86/hyperv: handle IO-APIC when running as root Wei Liu
2020-11-12 16:56 ` Vitaly Kuznetsov
2020-11-13 16:01 ` Wei Liu
2020-11-13 16:04 ` Wei Liu
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