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: <20221122163514.GL4001@paulmck-ThinkPad-P17-Gen-1>
Date:   Tue, 22 Nov 2022 08:35:14 -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 Tue, Nov 22, 2022 at 04:33:39PM +0106, John Ogness wrote:
> On 2022-11-22, "Paul E. McKenney" <paulmck@...nel.org> wrote:
> >> @paulmck: Do you have a problem with permanently activating CONFIG_SRCU?
> >
> > The people wanting it separate back in the day were those wanting very
> > tiny kernels.  I have not heard from them in a long time, so maybe it
> > is now OK to just make SRCU unconditional.
> 
> Who decides this? Or maybe I should create a semaphore-based Variant of
> console_srcu_read_lock()/console_srcu_read_unlock() for the
> "!CONFIG_PRINTK && !CONFIG_SRCU" case?

As an alternative, I will queue the patch making SRCU unconditional.  ;-)

							Thanx, Paul