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Date: Thu, 5 Jan 2017 10:00:50 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Petr Mladek <pmladek@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Jan Kara <jack@suse.cz>, Tejun Heo <tj@kernel.org>,
        Calvin Owens <calvinowens@fb.com>,
        Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Andy Lutomirski <luto@kernel.org>,
        Peter Hurley <peter@hurleysoftware.com>, linux-kernel@vger.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [PATCHv7 8/8] printk: convert the rest to printk-safe
Message-ID: <20170105010050.GA480@jagdpanzerIV.localdomain>
References: <20161227141611.940-1-sergey.senozhatsky@gmail.com>
 <20161227141611.940-9-sergey.senozhatsky@gmail.com>
 <20170104162825.GU14894@pathway.suse.cz>
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On (01/04/17 17:28), Petr Mladek wrote:
> On Tue 2016-12-27 23:16:11, Sergey Senozhatsky wrote:
> > This patch converts the rest of logbuf users (which are
> > out of printk recursion case, but can deadlock in printk).
> > To make printk-safe usage easier the patch introduces 4
> > helper macros:
> > - logbuf_lock_irq()/logbuf_unlock_irq()
> >   lock/unlock the logbuf lock and disable/enable local IRQ
> > 
> > - logbuf_lock_irqsave(flags)/logbuf_unlock_irqrestore(flags)
> >   lock/unlock the logbuf lock and saves/restores local IRQ state
> > 
> > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> 
> I like that it is so straigforward using the new macros. It is great
> that you discovered this before we finished the patchset.
> 
> Reviewed-by: Petr Mladek <pmladek@suse.com>

thanks.

	-ss