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From: pannengyuan <pannengyuan@huawei.com>
To: Eric Blake <eblake@redhat.com>,
	Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
	"kwolf@redhat.com" <kwolf@redhat.com>,
	"mreitz@redhat.com" <mreitz@redhat.com>,
	"sgarzare@redhat.com" <sgarzare@redhat.com>
Cc: "liyiting@huawei.com" <liyiting@huawei.com>,
	"zhang.zhanghailiang@huawei.com" <zhang.zhanghailiang@huawei.com>,
	"qemu-block@nongnu.org" <qemu-block@nongnu.org>,
	qemu-stable <qemu-stable@nongnu.org>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"kuhn.chenqun@huawei.com" <kuhn.chenqun@huawei.com>
Subject: Re: for 4.2 ??? Re: [PATCH V3 2/2] block/nbd: fix memory leak in nbd_open()
Date: Wed, 4 Dec 2019 11:30:43 +0800	[thread overview]
Message-ID: <20c34f0f-17cb-8de0-2cfc-7610bcad3b8e@huawei.com> (raw)
In-Reply-To: <08f0d51d-f352-5d64-26a4-9a741a4cf2e0@redhat.com>



On 2019/12/4 2:54, Eric Blake wrote:
> On 12/3/19 11:52 AM, Vladimir Sementsov-Ogievskiy wrote:
>> It's just a memory leak, but it's a regression in 4.2.
>>
>> Should we take it into 4.2?
> 
> Sorry, I was on holiday and then jury service, so I missed any chance at
> getting this into -rc3.  The memory leak only happens on failure, and
> you'd have to be pretty desperate to purposefully attempt to open a lot
> of NBD devices where you know you'll get a failure just to trigger
> enough of a leak to cause the OOM-killer to target qemu.  So I'm fine if
> this is deferred to 5.0, and just cc's qemu-stable (now done).
> 
> I'll queue this through my NBD tree for 5.0.
> 
>>
>>
>> 29.11.2019 10:25, pannengyuan@huawei.com wrote:
>>> From: PanNengyuan <pannengyuan@huawei.com>
> 
>>>
>>> Reported-by: Euler Robot <euler.robot@huawei.com>
>>> Signed-off-by: PanNengyuan <pannengyuan@huawei.com>
> 
> I'm not one to tell you that your name is written incorrectly, but it
> does look odd to have a single word rather than a space between two
> capitalized portions.  If that's really how you want your S-o-b and
> authorship to appear, I'm happy to preserve it; but you may want to
> consider updating your git settings, and posting a v4 with an updated
> spelling if you would prefer something different.  (It is also
> acceptable to use UTF-8 characters; some people like listing an S-o-b in
> both native characters and a Westernized variant).
> 

Thanks for your advice, I will update my git settings.

>>
>> May add:
>>
>> Fixes: 8f071c9db506e03ab
> 
> Yes, information like that helps in deciding how long the problem has
> been present (in this case, it is indeed a regression added in 4.2, even
> if minor in nature).
> 

ok, I will add it next time.




  parent reply	other threads:[~2019-12-04  3:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-29  7:25 [PATCH V3 1/2] block/nbd: extract the common cleanup code pannengyuan
2019-11-29  7:25 ` [PATCH V3 2/2] block/nbd: fix memory leak in nbd_open() pannengyuan
2019-12-03 17:52   ` for 4.2 ??? " Vladimir Sementsov-Ogievskiy
2019-12-03 18:54     ` Eric Blake
2019-12-03 21:59       ` Eric Blake
2019-12-04  3:30       ` pannengyuan [this message]
2019-12-03 17:38 ` [PATCH V3 1/2] block/nbd: extract the common cleanup code Vladimir Sementsov-Ogievskiy
2019-12-04  3:12   ` pannengyuan
2019-12-04  7:19     ` Vladimir Sementsov-Ogievskiy
2019-12-04  7:24       ` Pan Nengyuan
2019-12-03 19:00 ` Eric Blake
2019-12-04  3:20   ` pannengyuan

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