linux-kernel - Re: next-20221122: tinyconfig: ppc n s390: kernel/printk/printk.c:95:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]

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Message-ID: <20221122234222.GQ4001@paulmck-ThinkPad-P17-Gen-1>
Date:   Tue, 22 Nov 2022 15:42:22 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     Petr Mladek <pmladek@...e.com>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        open list <linux-kernel@...r.kernel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: Re: next-20221122: tinyconfig: ppc n s390:
 kernel/printk/printk.c:95:1: error: type specifier missing, defaults to
 'int'; ISO C99 and later do not support implicit int
 [-Werror,-Wimplicit-int]

On Wed, Nov 23, 2022 at 12:20:19AM +0106, John Ogness wrote:
> On 2022-11-22, "Paul E. McKenney" <paulmck@...nel.org> wrote:
> > And here is a first cut.  There will be more patches removing uses
> > of CONFIG_SRCU.
> >
> > Thoughts?
> 
> I am happy with it. Thanks!
> 
> >     rcu: Make SRCU mandatory
> >     
> >     Kernels configured with CONFIG_PRINTK=n and CONFIG_SRCU=n get build
> >     failures.  This causes trouble for deep embedded systems.  But given
> >     that there are more than 25 instances of "select SRCU" in the kernel,
> >     it is hard to believe that there are many kernels running in production
> >     without SRCU.  This commit therefore makes SRCU mandatory.  The SRCU
> >     Kconfig option remains for backwards compatibility, and will be removed
> >     when it is no longer used.
> >     
> >     Reported-by: John Ogness <john.ogness@...utronix.de>
> >     Reported-by: Petr Mladek <pmladek@...e.com>
> >     Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
> 
> Reviewed-by: John Ogness <john.ogness@...utronix.de>

Applied both, and thank you both!

							Thanx, Paul