linux-kernel - Re: [PATCHv3] panic: avoid deadlocks in re-entrant console drivers

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Message-ID: <20181122131202.nkcurdt5k6jrhowa@pathway.suse.cz>
Date:   Thu, 22 Nov 2018 14:12:02 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
        Daniel Wang <wonderfly@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Jiri Slaby <jslaby@...e.com>,
        Peter Feiner <pfeiner@...gle.com>,
        linux-serial@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCHv3] panic: avoid deadlocks in re-entrant console drivers

On Thu 2018-11-01 09:08:08, Petr Mladek wrote:
> On Thu 2018-11-01 10:48:21, Sergey Senozhatsky wrote:
> > On (10/31/18 13:27), Petr Mladek wrote:
> > > > 
> > > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> > > 
> > > The patch makes sense to me. The locks should stay busted also for
> > > console_flush_on_panic().
> > > 
> > > With the added #include <linux/vt_kern.h>:
> > > 
> > > Reviewed-by: Petr Mladek <pmladek@...e.com>
> > 
> > Thanks!
> > 
> > Since there are no objections - how shall we route it? Via printk tree?
> 
> Good question. OK, I am going to put it into printk.git unless I hear
> complains withing next couple of days.

I have pushed this into printk.git, branch for-4.21.

Best Regards,
Petr