From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id 2LaTGUBd219MSQAAWB0awg (envelope-from ) for ; Thu, 17 Dec 2020 08:29:36 -0500 Received: by simark.ca (Postfix, from userid 112) id 6162F1F0AA; Thu, 17 Dec 2020 08:29:36 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from lists.lttng.org (lists.lttng.org [167.114.26.123]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id CD2BB1E99A for ; Thu, 17 Dec 2020 08:29:35 -0500 (EST) Received: from lists-lttng01.efficios.com (localhost [IPv6:::1]) by lists.lttng.org (Postfix) with ESMTP id 4CxXsW3L2hzFCr; 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=1608211775; 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=cTsWbWV0kvjCUuXxPr3Pj0pBnzUr2gZ7cFCARIkyWuNKEZlqQ4sGzz9d2Z628sa7A Gq3861KAfIPv971lV69JdWGBI3EvUxEwXYV1UlBTHL5S2SL0qcNpjBattjjFIsM0tQ d/pFeY7ylCWLwBoTOJxC+XhSUErMALu5+rRpjkS/2RdURLp0CRfHI+Zi3JKzMqPDjR prmT0N8pK3fOcYwub7NronQnjUd3X9VHH5t/oOl6OUoPb1nEomp1x0+Uo0dZTkT3ZJ R9IVK6PFz/9GyNDcCyy71FR0g5n5OWoCZuK4dYFLts9IVBs3b7gwEaPEKHHL6HOSwf eoduPEgfrXShw== 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