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Date: Fri, 31 Aug 2018 08:58:36 -0700
From: Greg KH <gregkh@linuxfoundation.org>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: "stable@vger.kernel.org" <stable@vger.kernel.org>, pmladek@suse.com
Subject: Re: 4.18.y build failure
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On Fri, Aug 31, 2018 at 08:23:50AM +0200, Krzysztof Kozlowski wrote:
> On Thu, 30 Aug 2018 at 22:09, Dan Rue <dan.rue@linaro.org> wrote:
> >
> > The following commit in 4.18.y causes the build to fail:
> >     79764192e1c4 ("printk/nmi: Prevent deadlock when accessing the main log buffer in NMI")
> >
> > with:
> >     | kernel/printk/printk_safe.o: In function `vprintk_func':
> >     | printk_safe.c:(.text+0x51b): undefined reference to `vprintk_store'
> >     | printk_safe.c:(.text+0x52f): undefined reference to `defer_console_output'
> >
> > Picking up these from mainline seems to do the trick:
> >     a338f84dc196 ("printk: Create helper function to queue deferred console handling")
> >     ba552399954d ("printk: Split the code for storing a message into the log buffer")
> 
> v4.14.68-rc1 (200ff75a6b9d9a6d44dd267c3b84c961983f35ac) fails with same error.

Sorry, I'll fix this up, my fault.

greg k-h