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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 28CB8C4361B for ; Thu, 17 Dec 2020 13:29:38 +0000 (UTC) Received: from lists.lttng.org (lists.lttng.org [167.114.26.123]) (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 7ABD722E02 for ; Thu, 17 Dec 2020 13:29:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7ABD722E02 Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=lists.lttng.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lttng-dev-bounces@lists.lttng.org Received: from lists-lttng01.efficios.com (localhost [IPv6:::1]) by lists.lttng.org (Postfix) with ESMTP id 4CxXsW5lsgzFNk; Thu, 17 Dec 2020 08:29:35 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lists.lttng.org; s=default; t=1608211776; bh=LGPa/gMqhpS6T0LHzt5kXie6qQp5R9JzIZvri7Uh3Gw=; h=Date:To:Cc:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=muGUbzxE3Xpxapqvc7ZbJF4Rl24petOgefhLL8Q6puFyiUgEJJZkuTmAghsDDDPWf wsjDGDdaZPID5khJpaUOK9I8yNAnESOOsea7NxAfNMKuxBGYGP2jfdwVSDMmE5EAG7 czByj3ZmcXZE7vZTGBORjdPdUWFlCUeEvq5+MfWfJ7fG7Pux4tVjdAKoOCr7NjEDSe rhGWJVCclPuogRZ1UYttHbei44X7HnpvOv7Y4th5sfyMOg7fIUEWn+G70azCmOu30O FDf8knos3ntjSAbADNRrY1ecazb6ND3rTLZPblgUsooHd3HxpDPeizX5omvWFdaoEV VpvKswveKYcXQ== Received: from mail.efficios.com (mail.efficios.com [167.114.26.124]) by lists.lttng.org (Postfix) with ESMTPS id 4CxXsV0YXrzFLZ for ; Thu, 17 Dec 2020 08:29:34 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 0FA0A2A2672; Thu, 17 Dec 2020 08:29:34 -0500 (EST) Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id KAslvNaoRn44; Thu, 17 Dec 2020 08:29:33 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id D1E282A2671; Thu, 17 Dec 2020 08:29:33 -0500 (EST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com D1E282A2671 X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id BZyiMggXNYzw; Thu, 17 Dec 2020 08:29:33 -0500 (EST) Received: from mail03.efficios.com (mail03.efficios.com [167.114.26.124]) by mail.efficios.com (Postfix) with ESMTP id C8C0C2A2670; Thu, 17 Dec 2020 08:29:33 -0500 (EST) Date: Thu, 17 Dec 2020 08:29:33 -0500 (EST) To: Michael Jeanson Cc: lttng-dev Message-ID: <447689624.6529.1608211773801.JavaMail.zimbra@efficios.com> In-Reply-To: <20201215162850.78638-2-mjeanson@efficios.com> References: <20201215162850.78638-1-mjeanson@efficios.com> <20201215162850.78638-2-mjeanson@efficios.com> MIME-Version: 1.0 X-Originating-IP: [167.114.26.124] X-Mailer: Zimbra 8.8.15_GA_3980 (ZimbraWebClient - FF83 (Linux)/8.8.15_GA_3980) Thread-Topic: Blacklist GCC 4.4.0, 4.4.1 and 4.4.2 on ARM Thread-Index: qiWO6zQ2SuK7lVarSM5yUl8tIt1aNQ== Subject: Re: [lttng-dev] [PATCH urcu 2/4] Blacklist GCC 4.4.0, 4.4.1 and 4.4.2 on ARM X-BeenThere: lttng-dev@lists.lttng.org X-Mailman-Version: 2.1.31 Precedence: list List-Id: LTTng development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Mathieu Desnoyers via lttng-dev Reply-To: Mathieu Desnoyers Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" Merged in liburcu master, thanks! Mathieu ----- On Dec 15, 2020, at 11:28 AM, Michael Jeanson mjeanson@efficios.com wrote: > GCC added __sync_synchronize() in 4.4.0 but it was broken on ARM until > 4.4.3, see the GCC bug report for more details : > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 > > Signed-off-by: Michael Jeanson > Change-Id: I629e3c8b4baaccb34b2311e220f30d0ad8b69a19 > --- > include/urcu/arch/arm.h | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/include/urcu/arch/arm.h b/include/urcu/arch/arm.h > index 5d1c608..e904b06 100644 > --- a/include/urcu/arch/arm.h > +++ b/include/urcu/arch/arm.h > @@ -70,6 +70,15 @@ extern "C" { > # endif > #endif > > +/* > + * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 > + */ > +#ifdef URCU_GCC_VERSION > +# if URCU_GCC_VERSION >= 40400 && URCU_GCC_VERSION <= 40402 > +# error Your gcc version has a non-functional __sync_synchronize() > +# endif > +#endif > + > #ifdef __cplusplus > } > #endif > -- > 2.29.2 -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev