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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Date:   Wed, 23 Nov 2022 00:20:19 +0106
From:   John Ogness <john.ogness@...utronix.de>
To:     paulmck@...nel.org, Petr Mladek <pmladek@...e.com>
Cc:     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 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>