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From: Petr Mladek <pmladek@suse.com>
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH v2] printk: Relocate wake_klogd check close to the end of console_unlock()
Date: Fri, 9 Feb 2018 11:47:29 +0100
Message-ID: <20180209104729.s5bhatnex3pntwt2@pathway.suse.cz> (raw)
In-Reply-To: <20180209032830.GA689@jagdpanzerIV>

On Fri 2018-02-09 12:28:30, Sergey Senozhatsky wrote:
> On (02/08/18 17:48), Petr Mladek wrote:
> > Note that we need Tejun's patch for-4.16 because it fixes a potential
> > race introduced by the console waiter logic.
> 
> I understand it. I think I put my Reviewed-by on v1, maybe not...
> Here it is
> 
> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>

You actually provided Reviewed-by for v1. But I was not sure if
you would agree with the updated commit log and pushing this for-4.16.

OK, I am going to push v2 into for-4.16-rc3 branch. I will push it
to Linus once I am back from vacation. If nobody is against it.


> But can we may be come up with a more general solution? Like the one
> that we discussed above. I've seen some user space klogd lost messages
> reports recently. I assume it was partly caused by that very late
> wakeup that we have.

Sure. A better solution makes sense. I am just not 100% sure about
the exact variant. But it is more or less about details that we
need to settle on.

Best Regards,
Petr

  parent reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-08 13:04 Petr Mladek
2018-02-08 14:53 ` Sergey Senozhatsky
2018-02-08 16:48   ` Petr Mladek
2018-02-09  3:28     ` Sergey Senozhatsky
2018-02-09 10:39       ` Petr Mladek
2018-02-10  7:33         ` Sergey Senozhatsky
2018-02-09 10:47       ` Petr Mladek [this message]
2018-02-19 15:58 ` Petr Mladek
2018-02-19 16:01   ` [PATCH v3] " Petr Mladek
2018-02-26  6:37     ` Sergey Senozhatsky
2018-02-26 15:57       ` Petr Mladek
2018-02-26 16:01         ` Sergey Senozhatsky
2018-02-26  6:27   ` [PATCH v2] " Sergey Senozhatsky

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