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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u25-20020a056402065900b00469fc2b3bc8si1469156edx.386.2022.11.22.15.21.29; Tue, 22 Nov 2022 15:21:52 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=b27rlAuy; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234922AbiKVXOe (ORCPT + 89 others); Tue, 22 Nov 2022 18:14:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232645AbiKVXOc (ORCPT ); Tue, 22 Nov 2022 18:14:32 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 713B4C4945 for ; Tue, 22 Nov 2022 15:14:30 -0800 (PST) From: John Ogness DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1669158867; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=zS9dWEV/h5JIrsxFQ5b1PlCIyhlmU6h4P3CnzGwt0T0=; b=b27rlAuygSqLkrwxyFvSZRDL436WYtIqaVVVuf8aCSK3PZkYsyj0VjtCV8ENICnjBGC+8g PHAQ4wl6kMPqX+z+OqBhgZwSgj8gtD+/ZNHsa8sk8KcdWCqueMIpkd7u14UMPoG0vYsAX4 FdeRHCHyFCEnNaCKh5WkZ/f2VdycJbulBMfxd5aap6JY/1SvW5QNpLv23+d9XKgGoTnf1f BqgdTbYsPcOPpipUVDys24AnSJSwxMT/Iksfh3x+8HF0K8e29ECZX2iSo9217fpWN/W7YY 4Vv5Ng7H1xxFBKW08XUnFPIbZNrD77xMCw3BPMblFjUpFgNHSuN3PlRv0k/R2Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1669158867; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=zS9dWEV/h5JIrsxFQ5b1PlCIyhlmU6h4P3CnzGwt0T0=; b=G8oemVjkccQozmMQSXzJn8EnblAmzlocK6v6ciEdhxMJc9A0D7tcyC+o+sW06NjwACYlxw gibrUnDkd2q7U1Ag== To: paulmck@kernel.org, Petr Mladek Cc: Naresh Kamboju , open list , Nathan Chancellor , Sergey Senozhatsky 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] In-Reply-To: <20221122220053.GO4001@paulmck-ThinkPad-P17-Gen-1> References: <87o7szoyij.fsf@jogness.linutronix.de> <20221122144839.GI4001@paulmck-ThinkPad-P17-Gen-1> <87leo3ovpw.fsf@jogness.linutronix.de> <20221122220053.GO4001@paulmck-ThinkPad-P17-Gen-1> Date: Wed, 23 Nov 2022 00:20:19 +0106 Message-ID: <87wn7m7fas.fsf@jogness.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,INVALID_DATE_TZ_ABSURD, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-11-22, "Paul E. McKenney" 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 > Reported-by: Petr Mladek > Signed-off-by: Paul E. McKenney Reviewed-by: John Ogness