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From: Michal Hocko <mhocko@suse.cz>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: linux-kernel@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>,
	Tang Chen <tangchen@cn.fujitsu.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	David Rientjes <rientjes@google.com>,
	Fabian Frederick <fabf@skynet.be>,
	Zhang Zhen <zhenzhang.zhang@huawei.com>,
	Vladimir Davydov <vdavydov@parallels.com>,
	Wang Nan <wangnan0@huawei.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	devel@linuxdriverproject.org, linux-mm@kvack.org
Subject: Re: [PATCH RESEND 0/3] memory_hotplug: hyperv: fix deadlock between memory adding and onlining
Date: Thu, 12 Mar 2015 12:18:10 -0400	[thread overview]
Message-ID: <20150312161810.GA18269@dhcp22.suse.cz> (raw)
In-Reply-To: <871tkyy35g.fsf@vitty.brq.redhat.com>

On Mon 09-03-15 09:40:43, Vitaly Kuznetsov wrote:
> Michal Hocko <mhocko@suse.cz> writes:
> 
> > [Sorry for the late response]
> >
> > This is basically the same code posted by KY Srinivasan posted late last
> > year (http://marc.info/?l=linux-mm&m=141782228129426&w=2). I had
> > objections to the implementation
> > http://marc.info/?l=linux-mm&m=141805109216700&w=2
> 
> Np, David's alternative fix is already in -mm:
> 
> https://lkml.org/lkml/2015/2/12/655

Thanks for the pointer. I have missed this one. This is definitely a
better approach than cluttering around exporting device lock.
-- 
Michal Hocko
SUSE Labs

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      reply	other threads:[~2015-03-12 16:18 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-12 10:23 Vitaly Kuznetsov
2015-02-12 10:23 ` [PATCH RESEND 1/3] driver core: export lock_device_hotplug/unlock_device_hotplug Vitaly Kuznetsov
2015-02-12 10:23 ` [PATCH RESEND 2/3] memory_hotplug: add note about holding device_hotplug_lock and add_memory() Vitaly Kuznetsov
2015-02-12 10:23 ` [PATCH RESEND 3/3] Drivers: hv: balloon: fix deadlock between memory adding and onlining Vitaly Kuznetsov
2015-02-12 15:38 ` [PATCH RESEND 0/3] memory_hotplug: hyperv: " KY Srinivasan
2015-02-12 15:50   ` Vitaly Kuznetsov
2015-02-12 17:40     ` KY Srinivasan
2015-02-12 22:12   ` Rafael J. Wysocki
2015-02-12 22:01     ` KY Srinivasan
2015-02-12 22:27       ` Rafael J. Wysocki
2015-02-12 22:10         ` KY Srinivasan
2015-02-12 22:43           ` Rafael J. Wysocki
2015-02-12 22:25             ` Andrew Morton
2015-03-06 15:50 ` Michal Hocko
2015-03-09  8:40   ` Vitaly Kuznetsov
2015-03-12 16:18     ` Michal Hocko [this message]

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