linux-kernel - Re: linux-next: build warning after merge of the random tree

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Date:   Mon, 18 Jun 2018 15:29:00 +1000
From:   "Tobin C. Harding" <me@...in.cc>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Theodore Ts'o <tytso@....edu>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the random tree

On Mon, Jun 18, 2018 at 01:35:23PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> On Fri, 8 Jun 2018 13:37:48 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the random tree, today's linux-next build (arm
> > multi_v7_defconfig) produced this warning:
> > 
> > lib/vsprintf.c:1668:13: warning: 'have_filled_random_ptr_key' defined but not used [-Wunused-variable]
> >  static bool have_filled_random_ptr_key __read_mostly;
> >              ^~~~~~~~~~~~~~~~~~~~~~~~~~
> > 
> > Introduced by commit
> > 
> >   bfe80ed3d7c7 ("vsprintf: add command line option debug_boot_weak_hash")
> 
> I am still getting this ...

This is fixed in:

	[PATCH v7 0/4] enable early printing of hashed pointers


FYI v8 to come with unrelated change removing EXPORT_SYMBOL() (as suggested
on LKML in response to v7)



thanks,
Tobin.