Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"

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To: Daniel Wang <wonderfly@xxxxxxxxxx>
Subject: Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
From: Petr Mladek <pmladek@xxxxxxxx>
Date: Mon, 22 Oct 2018 11:32:26 +0200
Cc: sergey.senozhatsky.work@xxxxxxxxx, rostedt@xxxxxxxxxxx, stable@xxxxxxxxxxxxxxx, Alexander.Levin@xxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, byungchul.park@xxxxxxx, dave.hansen@xxxxxxxxx, hannes@xxxxxxxxxxx, jack@xxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Mel Gorman <mgorman@xxxxxxx>, mhocko@xxxxxxxxxx, pavel@xxxxxx, penguin-kernel@xxxxxxxxxxxxxxxxxxx, peterz@xxxxxxxxxxxxx, tj@xxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, vbabka@xxxxxxx, Cong Wang <xiyou.wangcong@xxxxxxxxx>, Peter Feiner <pfeiner@xxxxxxxxxx>
In-reply-to: <CAJmjG2-e6f6p=pE5uDECMc=W=81SYyGCmoabrC1ePXwL5DFdSw@mail.gmail.com>
References: <CAJmjG2-RrG5XKeW1-+rN3C=F6bZ-L3=YKhCiQ_muENDTzm_Ofg@mail.gmail.com> <20181002212327.7aab0b79@vmware.local.home> <20181003091400.rgdjpjeaoinnrysx@pathway.suse.cz> <CAJmjG2_4JFA=qL-d2Pb9umUEcPt9h13w-g40JQMbdKsZTRSZww@mail.gmail.com> <20181003133704.43a58cf5@gandalf.local.home> <CAJmjG291w2ZPRiAevSzxGNcuR6vTuqyk6z4SG3xRsbaQh5U3zQ@mail.gmail.com> <20181004074442.GA12879@jagdpanzerIV> <20181004083609.kcziz2ynwi2w7lcm@pathway.suse.cz> <20181004085515.GC12879@jagdpanzerIV> <CAJmjG2-e6f6p=pE5uDECMc=W=81SYyGCmoabrC1ePXwL5DFdSw@mail.gmail.com>
User-agent: NeoMutt/20170421 (1.8.2)

On Sun 2018-10-21 11:09:22, Daniel Wang wrote:
> Just got back from vacation. Thanks for the continued discussion. Just so
> I understand the current state. Looks like we've got a pretty good explanation
> of what's going on (though not completely sure), and backporting Steven's
> patches is still the way to go? I see that Sergey had sent an RFC series
> for similar things. Are those trying to solve the deadlock problem in a
> different way?On Thu, Oct 4, 2018 at 1:55 AM Sergey Senozhatsky

I suggest to go with backporting Steven's patchset. We do not have
anything better at the moment.

Best Regards,
Petr

References:
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Daniel Wang
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Steven Rostedt
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Petr Mladek
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Daniel Wang
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Steven Rostedt
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Daniel Wang
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Sergey Senozhatsky
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Petr Mladek
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Sergey Senozhatsky
- Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
  - From: Daniel Wang

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