linux-kernel - RE: [PATCH v2 0/2] Drivers: hv: vmbus: use cpu_hotplug_enable/disable for CPU offlining prevention

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Message-ID: <BY2PR0301MB07113B15779F870DEAADD53DA0CC0@BY2PR0301MB0711.namprd03.prod.outlook.com>
Date:	Tue, 26 May 2015 23:29:36 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Vitaly Kuznetsov <vkuznets@...hat.com>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>
CC:	Haiyang Zhang <haiyangz@...rosoft.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dexuan Cui <decui@...rosoft.com>,
	Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Radim Krčmář <rkrcmar@...hat.com>
Subject: RE: [PATCH v2 0/2] Drivers: hv: vmbus: use cpu_hotplug_enable/disable
 for CPU offlining prevention



> -----Original Message-----
> From: Vitaly Kuznetsov [mailto:vkuznets@...hat.com]
> Sent: Thursday, May 21, 2015 9:22 AM
> To: devel@...uxdriverproject.org
> Cc: KY Srinivasan; Haiyang Zhang; linux-kernel@...r.kernel.org; Dexuan Cui;
> Ingo Molnar; Paul E. McKenney; Rafael J. Wysocki; Peter Zijlstra; Thomas
> Gleixner; Radim Krčmář
> Subject: [PATCH v2 0/2] Drivers: hv: vmbus: use cpu_hotplug_enable/disable
> for CPU offlining prevention
> 
> Changes since v1:
> - Make cpu_hotplug_disabled a counter [Radim Krčmář]
> 
> Export cpu_hotplug_enable/cpu_hotplug_disable functions from cpu.c and
> use
> them instead of altering smp_ops.cpu_disable in Hyper-V vmbus module.
> 
> Vitaly Kuznetsov (2):
>   cpu-hotplug: export cpu_hotplug_enable/cpu_hotplug_disable
>   Drivers: hv: vmbus: use cpu_hotplug_enable/disable

Vitaly,

Since there is a cross tree dependency here, could you resubmit the vmbus patch
after the CPU hotplug patch has been committed. 

Regards, 

K. Y
> 
>  Documentation/power/suspend-and-cpuhotplug.txt |  6 ++--
>  drivers/hv/vmbus_drv.c                         | 38 +++-----------------------
>  kernel/cpu.c                                   | 13 +++++----
>  3 files changed, 15 insertions(+), 42 deletions(-)
> 
> --
> 1.9.3