linux-kernel - RE: [PATCH 02/10] Commit e513229b4c38 ("Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors") was altering smp_ops.cpu_disable to prevent CPU offlining. We can bo better by using cpu_hotplug_enable/disable functions instead of such hard-coding.

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Message-ID: <BY2PR0301MB16541E7872AC45D5454B8566A0B30@BY2PR0301MB1654.namprd03.prod.outlook.com>
Date:	Thu, 4 Jun 2015 00:41:19 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"vkuznets@...hat.com" <vkuznets@...hat.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>
Subject: RE: [PATCH 02/10] Commit e513229b4c38 ("Drivers: hv: vmbus: prevent
 cpu offlining on newer hypervisors") was altering smp_ops.cpu_disable to
 prevent CPU offlining. We can bo better by using cpu_hotplug_enable/disable
 functions instead of such hard-coding.



> -----Original Message-----
> From: Greg KH [mailto:gregkh@...uxfoundation.org]
> Sent: Wednesday, June 3, 2015 5:32 PM
> To: KY Srinivasan
> Cc: linux-kernel@...r.kernel.org; devel@...uxdriverproject.org;
> olaf@...fle.de; apw@...onical.com; vkuznets@...hat.com;
> jasowang@...hat.com
> Subject: Re: [PATCH 02/10] Commit e513229b4c38 ("Drivers: hv: vmbus:
> prevent cpu offlining on newer hypervisors") was altering
> smp_ops.cpu_disable to prevent CPU offlining. We can bo better by using
> cpu_hotplug_enable/disable functions instead of such hard-coding.
> 
> On Wed, Jun 03, 2015 at 12:31:54PM -0700, K. Y. Srinivasan wrote:
> > From: Vitaly Kuznetsov <vkuznets@...hat.com>
> >
> > Reported-by: Radim Kr.má <rkrcmar@...hat.com>
> > Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
> > Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> 
> Your subject is insane, please fix.

Greg,

I will fix this and resend the series.

Regards,

K. Y
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