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spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CVlHt4wJszDqlS for ; Tue, 10 Nov 2020 21:59:54 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CVlFg4lMvzDqcy for ; Tue, 10 Nov 2020 21:57:53 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4CVlFQ2clRz9tytk; Tue, 10 Nov 2020 11:57:46 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id T1bxLO48_2uC; Tue, 10 Nov 2020 11:57:46 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4CVlFQ1LbHz9tyth; Tue, 10 Nov 2020 11:57:46 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 8E8278B7EE; Tue, 10 Nov 2020 11:57:46 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id aeTtjldkvaVJ; Tue, 10 Nov 2020 11:57:46 +0100 (CET) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 0AB168B764; Tue, 10 Nov 2020 11:57:42 +0100 (CET) Subject: Re: [PATCH V3] sched/rt, powerpc: Prepare for PREEMPT_RT To: Wang Qing , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Nicholas Piggin , Jordan Niethe , Alistair Popple , "Aneesh Kumar K.V" , Peter Zijlstra , Greg Kroah-Hartman , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org References: <1604998411-16116-1-git-send-email-wangqing@vivo.com> From: Christophe Leroy Message-ID: <5e040e63-0a28-03ee-ca41-917598b690b5@csgroup.eu> Date: Tue, 10 Nov 2020 11:57:41 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.4.1 MIME-Version: 1.0 In-Reply-To: <1604998411-16116-1-git-send-email-wangqing@vivo.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 10/11/2020 à 09:53, Wang Qing a écrit : > PREEMPT_RT is a separate preemption model, CONFIG_PREEMPT will > be disabled when CONFIG_PREEMPT_RT is enabled, so we need > to add CONFIG_PREEMPT_RT output to __die(). > > Signed-off-by: Wang Qing Reviewed-by: Christophe Leroy > > Changes in v3: > - Fix typo issue. > > Changes in v2: > - Modify as Christophe suggested. > --- > arch/powerpc/kernel/traps.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c > index 5006dcb..dec7b81 > --- a/arch/powerpc/kernel/traps.c > +++ b/arch/powerpc/kernel/traps.c > @@ -262,10 +262,11 @@ static int __die(const char *str, struct pt_regs *regs, long err) > { > printk("Oops: %s, sig: %ld [#%d]\n", str, err, ++die_counter); > > - printk("%s PAGE_SIZE=%luK%s%s%s%s%s%s %s\n", > + printk("%s PAGE_SIZE=%luK%s%s%s%s%s%s%s %s\n", > IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN) ? "LE" : "BE", > PAGE_SIZE / 1024, get_mmu_str(), > IS_ENABLED(CONFIG_PREEMPT) ? " PREEMPT" : "", > + IS_ENABLED(CONFIG_PREEMPT_RT) ? " PREEMPT_RT" : "", > IS_ENABLED(CONFIG_SMP) ? " SMP" : "", > IS_ENABLED(CONFIG_SMP) ? (" NR_CPUS=" __stringify(NR_CPUS)) : "", > debug_pagealloc_enabled() ? " DEBUG_PAGEALLOC" : "", >