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From: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: cl@linux.com, Tejun Heo <tj@kernel.org>,
	mika.j.penttila@gmail.com, Ingo Molnar <mingo@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"H. Peter Anvin" <hpa@zytor.com>,
	yasu.isimatu@gmail.com, isimatu.yasuaki@jp.fujitsu.com,
	kamezawa.hiroyu@jp.fujitsu.com, izumi.taku@jp.fujitsu.com,
	gongzhaogang@inspur.com, Len Brown <len.brown@intel.com>,
	Len Brown <lenb@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
	chen.tang@easystack.cn, x86@kernel.org,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [RESEND PATCH v5 0/5] Make cpuid <-> nodeid mapping persistent
Date: Thu, 3 Mar 2016 10:15:17 +0800	[thread overview]
Message-ID: <56D79E35.7030000@cn.fujitsu.com> (raw)
In-Reply-To: <CAJZ5v0j1WMi5qMYoUeto8EbV2XnhZQ1j7eQ3jJtoC7h5dOxxkw@mail.gmail.com>

Hi,

On 03/03/2016 10:08 AM, Rafael J. Wysocki wrote:
> Hi,
>
> On Thu, Mar 3, 2016 at 2:42 AM, Zhu Guihua <zhugh.fnst@cn.fujitsu.com> wrote:
>> [Problem]
>>
>> cpuid <-> nodeid mapping is firstly established at boot time. And workqueue caches
>> the mapping in wq_numa_possible_cpumask in wq_numa_init() at boot time.
>>
>> When doing node online/offline, cpuid <-> nodeid mapping is established/destroyed,
>> which means, cpuid <-> nodeid mapping will change if node hotplug happens. But
>> workqueue does not update wq_numa_possible_cpumask.
>>
> Are there any changes in this version relative to the previous one?
No, there are no changes in this version.

Thanks,
Zhu

>
> Thanks,
> Rafael
>
>
> .
>




WARNING: multiple messages have this Message-ID (diff)
From: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: cl@linux.com, Tejun Heo <tj@kernel.org>,
	mika.j.penttila@gmail.com, Ingo Molnar <mingo@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"H. Peter Anvin" <hpa@zytor.com>,
	yasu.isimatu@gmail.com, isimatu.yasuaki@jp.fujitsu.com,
	kamezawa.hiroyu@jp.fujitsu.com, izumi.taku@jp.fujitsu.com,
	gongzhaogang@inspur.com, Len Brown <len.brown@intel.com>,
	Len Brown <lenb@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
	chen.tang@easystack.cn, x86@kernel.org,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [RESEND PATCH v5 0/5] Make cpuid <-> nodeid mapping persistent
Date: Thu, 3 Mar 2016 10:15:17 +0800	[thread overview]
Message-ID: <56D79E35.7030000@cn.fujitsu.com> (raw)
In-Reply-To: <CAJZ5v0j1WMi5qMYoUeto8EbV2XnhZQ1j7eQ3jJtoC7h5dOxxkw@mail.gmail.com>

Hi,

On 03/03/2016 10:08 AM, Rafael J. Wysocki wrote:
> Hi,
>
> On Thu, Mar 3, 2016 at 2:42 AM, Zhu Guihua <zhugh.fnst@cn.fujitsu.com> wrote:
>> [Problem]
>>
>> cpuid <-> nodeid mapping is firstly established at boot time. And workqueue caches
>> the mapping in wq_numa_possible_cpumask in wq_numa_init() at boot time.
>>
>> When doing node online/offline, cpuid <-> nodeid mapping is established/destroyed,
>> which means, cpuid <-> nodeid mapping will change if node hotplug happens. But
>> workqueue does not update wq_numa_possible_cpumask.
>>
> Are there any changes in this version relative to the previous one?
No, there are no changes in this version.

Thanks,
Zhu

>
> Thanks,
> Rafael
>
>
> .
>



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WARNING: multiple messages have this Message-ID (diff)
From: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: <cl@linux.com>, Tejun Heo <tj@kernel.org>,
	<mika.j.penttila@gmail.com>, Ingo Molnar <mingo@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"H. Peter Anvin" <hpa@zytor.com>, <yasu.isimatu@gmail.com>,
	<isimatu.yasuaki@jp.fujitsu.com>,
	<kamezawa.hiroyu@jp.fujitsu.com>, <izumi.taku@jp.fujitsu.com>,
	<gongzhaogang@inspur.com>, Len Brown <len.brown@intel.com>,
	Len Brown <lenb@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
	<chen.tang@easystack.cn>, <x86@kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [RESEND PATCH v5 0/5] Make cpuid <-> nodeid mapping persistent
Date: Thu, 3 Mar 2016 10:15:17 +0800	[thread overview]
Message-ID: <56D79E35.7030000@cn.fujitsu.com> (raw)
In-Reply-To: <CAJZ5v0j1WMi5qMYoUeto8EbV2XnhZQ1j7eQ3jJtoC7h5dOxxkw@mail.gmail.com>

Hi,

On 03/03/2016 10:08 AM, Rafael J. Wysocki wrote:
> Hi,
>
> On Thu, Mar 3, 2016 at 2:42 AM, Zhu Guihua <zhugh.fnst@cn.fujitsu.com> wrote:
>> [Problem]
>>
>> cpuid <-> nodeid mapping is firstly established at boot time. And workqueue caches
>> the mapping in wq_numa_possible_cpumask in wq_numa_init() at boot time.
>>
>> When doing node online/offline, cpuid <-> nodeid mapping is established/destroyed,
>> which means, cpuid <-> nodeid mapping will change if node hotplug happens. But
>> workqueue does not update wq_numa_possible_cpumask.
>>
> Are there any changes in this version relative to the previous one?
No, there are no changes in this version.

Thanks,
Zhu

>
> Thanks,
> Rafael
>
>
> .
>

  reply	other threads:[~2016-03-03  2:17 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-03  1:42 [RESEND PATCH v5 0/5] Make cpuid <-> nodeid mapping persistent Zhu Guihua
2016-03-03  1:42 ` Zhu Guihua
2016-03-03  1:42 ` [RESEND PATCH v5 1/5] x86, memhp, numa: Online memory-less nodes at boot time Zhu Guihua
2016-03-03  1:42   ` Zhu Guihua
2016-03-03  1:42   ` Zhu Guihua
2016-03-03  1:42 ` [RESEND PATCH v5 2/5] x86, acpi, cpu-hotplug: Enable acpi to register all possible cpus " Zhu Guihua
2016-03-03  1:42   ` Zhu Guihua
2016-03-03  1:42 ` [RESEND PATCH v5 3/5] x86, acpi, cpu-hotplug: Introduce cpuid_to_apicid[] array to store persistent cpuid <-> apicid mapping Zhu Guihua
2016-03-03  1:42   ` Zhu Guihua
2016-03-03  1:42 ` [RESEND PATCH v5 4/5] x86, acpi, cpu-hotplug: Enable MADT APIs to return disabled apicid Zhu Guihua
2016-03-03  1:42   ` Zhu Guihua
2016-03-03  1:42 ` [RESEND PATCH v5 5/5] x86, acpi, cpu-hotplug: Set persistent cpuid <-> nodeid mapping when booting Zhu Guihua
2016-03-03  1:42   ` Zhu Guihua
2016-03-03  2:11   ` kbuild test robot
2016-03-03  2:11     ` kbuild test robot
2016-03-03  2:11     ` kbuild test robot
2016-03-03  2:18     ` Zhu Guihua
2016-03-03  2:18       ` Zhu Guihua
2016-03-03  1:49 ` [RESEND PATCH v5 0/5] Make cpuid <-> nodeid mapping persistent Zhu Guihua
2016-03-03  1:49   ` Zhu Guihua
2016-03-03  2:08 ` Rafael J. Wysocki
2016-03-03  2:08   ` Rafael J. Wysocki
2016-03-03  2:15   ` Zhu Guihua [this message]
2016-03-03  2:15     ` Zhu Guihua
2016-03-03  2:15     ` Zhu Guihua

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