From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) by sourceware.org (Postfix) with ESMTPS id D2AA13856DC6 for ; Tue, 3 May 2022 14:16:38 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org D2AA13856DC6 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=nefkom.net Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4Kt2855kx8z1r0FV; Tue, 3 May 2022 16:16:36 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4Kt2844jmBz1qqkB; Tue, 3 May 2022 16:16:36 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id NO9IGiXKZQaz; Tue, 3 May 2022 16:16:35 +0200 (CEST) X-Auth-Info: 8vngvHEbsHZojvwxUzz1uaw7gLb6005ylrAtM0Wy+OgCb4bDLfrYIsRMlVKWNmaU Received: from igel.home (ppp-46-244-189-10.dynamic.mnet-online.de [46.244.189.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Tue, 3 May 2022 16:16:35 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 2DE9C2C3951; Tue, 3 May 2022 16:16:35 +0200 (CEST) From: Andreas Schwab To: Adhemerval Zanella via Libc-alpha Cc: Alexey Izbyshev , Carlos O'Donell , Florian Weimer , Adhemerval Zanella Subject: Re: [PATCH v2] linux: Add fallback for clone failure on posix_spawn (BZ#29115) References: <20220503134625.2389370-1-adhemerval.zanella@linaro.org> X-Yow: I was giving HAIR CUTS to th' SAUCER PEOPLE .. I'm CLEAN!! Date: Tue, 03 May 2022 16:16:35 +0200 In-Reply-To: <20220503134625.2389370-1-adhemerval.zanella@linaro.org> (Adhemerval Zanella via Libc-alpha's message of "Tue, 3 May 2022 10:46:25 -0300") Message-ID: <87h766bt18.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-3.0 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 May 2022 14:16:40 -0000 On Mai 03 2022, Adhemerval Zanella via Libc-alpha wrote: > The patch fixes by retrying the clone syscall with just CLONE_VFORK > if clone fails with a non transient failure (ENOMEM and EAGAIN still > returns failure to caller). I there any point for CLONE_VFORK without CLONE_VM? Since the VM isn't shared, there should be no harm for both processes to run concurrently. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."