From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21323C2BA16 for ; Tue, 7 Apr 2020 06:01:13 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BFF3E2051A for ; Tue, 7 Apr 2020 06:01:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=c-s.fr header.i=@c-s.fr header.b="f4HWt7Or" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BFF3E2051A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-s.fr Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48xGxL6KGyzDqN7 for ; Tue, 7 Apr 2020 16:01:10 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=c-s.fr (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@c-s.fr; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=c-s.fr header.i=@c-s.fr header.a=rsa-sha256 header.s=mail header.b=f4HWt7Or; dkim-atps=neutral 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 48xGb83QKbzDr3h for ; Tue, 7 Apr 2020 15:45:24 +1000 (AEST) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 48xGb44KkWz9tyl1; Tue, 7 Apr 2020 07:45:20 +0200 (CEST) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=f4HWt7Or; dkim-adsp=pass; dkim-atps=neutral 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 aOlQcO2TMTV4; Tue, 7 Apr 2020 07:45:20 +0200 (CEST) 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 48xGb42vgyz9tyl0; Tue, 7 Apr 2020 07:45:20 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1586238320; bh=/FbVZl2qNswYiJjAQeF9V7X9sWcfutdPc4E6CnADDl8=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=f4HWt7OrSa6KjKTRQGRZJLqGSfIscMXlCZMSh79ELCD64qNDpp/uLTwZauZCudYL2 GQnB23ddAULDTTJrSiLMRhiWrzw/slNeXwWT6DclL/4WcfMOSRSypGnXE0zOs13N7G BO5mRaksYRxKTCK1vTpliEy+OXLwFJ6xpWzz9Nho= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 16E008B76E; Tue, 7 Apr 2020 07:45:21 +0200 (CEST) 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 qrgIT9dyeboy; Tue, 7 Apr 2020 07:45:21 +0200 (CEST) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 197868B75E; Tue, 7 Apr 2020 07:45:20 +0200 (CEST) Subject: Re: [PATCH v3 12/15] powerpc: ftrace_enabled helper To: Nicholas Piggin , linuxppc-dev@lists.ozlabs.org References: <20200407051636.648369-1-npiggin@gmail.com> <20200407051636.648369-13-npiggin@gmail.com> From: Christophe Leroy Message-ID: <71b09f76-2cba-4aa5-34d7-e10bdd681f57@c-s.fr> Date: Tue, 7 Apr 2020 07:45:15 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200407051636.648369-13-npiggin@gmail.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: , Cc: Mahesh Salgaonkar , "Naveen N . Rao" , Ganesh Goudar Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 07/04/2020 à 07:16, Nicholas Piggin a écrit : > Signed-off-by: Nicholas Piggin Reviewed-by: Christophe Leroy > --- > arch/powerpc/include/asm/ftrace.h | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h > index f54a08a2cd70..bc76970b6ee5 100644 > --- a/arch/powerpc/include/asm/ftrace.h > +++ b/arch/powerpc/include/asm/ftrace.h > @@ -108,9 +108,23 @@ static inline void this_cpu_enable_ftrace(void) > { > get_paca()->ftrace_enabled = 1; > } > + > +/* Disable ftrace on this CPU if possible (may not be implemented) */ > +static inline void this_cpu_set_ftrace_enabled(u8 ftrace_enabled) > +{ > + get_paca()->ftrace_enabled = ftrace_enabled; > +} > + > +static inline u8 this_cpu_get_ftrace_enabled(void) > +{ > + return get_paca()->ftrace_enabled; > +} > + > #else /* CONFIG_PPC64 */ > static inline void this_cpu_disable_ftrace(void) { } > static inline void this_cpu_enable_ftrace(void) { } > +static inline void this_cpu_set_ftrace_enabled(u8 ftrace_enabled) { } > +static inline u8 this_cpu_get_ftrace_enabled(void) { return 1; } > #endif /* CONFIG_PPC64 */ > #endif /* !__ASSEMBLY__ */ > >