From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jan Kara <jack@suse.cz>, Tejun Heo <tj@kernel.org>,
Calvin Owens <calvinowens@fb.com>,
Thomas Gleixner <tglx@linutronix.de>,
Mel Gorman <mgorman@techsingularity.net>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [RFC][PATCHv3 0/6] printk: use printk_safe to handle printk() recursive calls
Date: Thu, 20 Oct 2016 22:18:13 +0900 [thread overview]
Message-ID: <20161020131813.GB473@swordfish> (raw)
In-Reply-To: <20161019133419.GO3102@twins.programming.kicks-ass.net>
On (10/19/16 15:34), Peter Zijlstra wrote:
> On Wed, Oct 19, 2016 at 03:18:36PM +0200, Petr Mladek wrote:
> > On Tue 2016-10-18 19:07:54, Peter Zijlstra wrote:
[..]
> It might make sense to go there, but allow early_console to print on the
> go, keeping synchronous output available. We would still need the logbuf
> to become NMI safe wrt adding entries though.
>
as a side (spam) note,
I sent a [TECH TOPIC] suggestion to ksummit-discuss a while ago
https://lists.linuxfoundation.org/pipermail/ksummit-discuss/2016-July/002740.html
and a later update
https://lists.linuxfoundation.org/pipermail/ksummit-discuss/2016-September/004006.html
which covers some of the printk problems. so I'm sure I can tell whether
the suggestion has been approved or rejected, but hopefully we can find
some time to sit down and talk about the issues.
-ss
next prev parent reply other threads:[~2016-10-20 13:19 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-18 15:40 [RFC][PATCHv3 0/6] printk: use printk_safe to handle printk() recursive calls Sergey Senozhatsky
2016-10-18 15:40 ` [RFC][PATCHv3 1/6] printk: use vprintk_func in vprintk() Sergey Senozhatsky
2016-10-18 16:49 ` Steven Rostedt
2016-10-19 1:54 ` Sergey Senozhatsky
2016-10-18 15:40 ` [RFC][PATCHv3 2/6] printk: rename nmi.c and exported api Sergey Senozhatsky
2016-10-18 16:49 ` Steven Rostedt
2016-10-19 1:54 ` Sergey Senozhatsky
2016-10-18 15:40 ` [RFC][PATCHv3 3/6] printk: introduce per-cpu safe_print seq buffer Sergey Senozhatsky
2016-10-18 16:46 ` Steven Rostedt
2016-10-19 1:10 ` Sergey Senozhatsky
2016-10-19 13:42 ` Sergey Senozhatsky
2016-10-18 15:40 ` [RFC][PATCHv3 4/6] printk: report lost messages in printk safe/nmi contexts Sergey Senozhatsky
2016-10-18 15:40 ` [RFC][PATCHv3 5/6] printk: use printk_safe buffers Sergey Senozhatsky
2016-10-18 15:40 ` [RFC][PATCHv3 6/6] printk: remove zap_locks() function Sergey Senozhatsky
2016-10-18 16:45 ` [RFC][PATCHv3 0/6] printk: use printk_safe to handle printk() recursive calls Joe Perches
2016-10-19 1:14 ` Sergey Senozhatsky
2016-10-18 17:07 ` Peter Zijlstra
2016-10-19 1:53 ` Sergey Senozhatsky
2016-10-19 9:30 ` Peter Zijlstra
2016-10-19 13:18 ` Petr Mladek
2016-10-19 13:34 ` Peter Zijlstra
2016-10-20 13:18 ` Sergey Senozhatsky [this message]
2016-10-19 4:33 ` Sergey Senozhatsky
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