From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by sourceware.org (Postfix) with ESMTPS id 9EDA93858C30 for ; Wed, 30 Aug 2023 09:19:53 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 9EDA93858C30 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id B50CA1F45F; Wed, 30 Aug 2023 09:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1693387192; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=fst2qcHX3F4PIAhkW/2eOuj1EU1Q+6AjaYvZMWOelLQ=; b=qt35+miqbFqg6AGkDlxyPFGsTNn9lVUUZ/1r9xuQCcnNaKYwLONVX5gjPK1gAeGb7Jg7cY mIRdg9vKvD4VHBaBQZSE8KegW1IuJrcbHl8/rK8C/s8OfhIdYgdmbIJR6B4gSc4aDlrrgE U3Ufw7yW/dRLfILH+CUPcgOcFear7OU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1693387192; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=fst2qcHX3F4PIAhkW/2eOuj1EU1Q+6AjaYvZMWOelLQ=; b=r6NPTSdeFkhXHe+Im9nn2bky9k5HaAhpMKzQoi42NmM/jXzxSI3iCc9uqgHg/owI03wFQ8 fvw11GEChkj2v5Aw== Received: from hawking.nue2.suse.org (unknown [10.168.4.11]) by relay2.suse.de (Postfix) with ESMTP id AD80F2C142; Wed, 30 Aug 2023 09:19:52 +0000 (UTC) Received: by hawking.nue2.suse.org (Postfix, from userid 17005) id 9F6BC4A0399; Wed, 30 Aug 2023 11:19:52 +0200 (CEST) From: Andreas Schwab To: Adhemerval Zanella Netto Cc: Florian Weimer , libc-alpha@sourceware.org Subject: Re: [PATCH] io: Fix record locking contants for powerpc64 with __USE_FILE_OFFSET64 In-Reply-To: (Aurelien Jarno's message of "Tue, 29 Aug 2023 18:30:17 +0200") References: <20230828213721.2957677-1-aurelien@aurel32.net> <87pm36nut5.fsf@oldenburg.str.redhat.com> X-Yow: .. bleakness.... desolation.... plastic forks... Date: Wed, 30 Aug 2023 11:19:52 +0200 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_NUMSUBJECT,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Aug 29 2023, Aurelien Jarno wrote: > It does break some binaries, for instance File-FcntlLock [1] with the > following scenario: > - perl is built against glibc 2.37 > - system is upgraded to glibc 2.38 > - File-FcntlLock is built against glibc 2.38: it does not work as the > value of F_GETLK has changed from 12 to 5 [2]. It happens all the time that an API change breaks some combination of recompiled and not recompiled objects. But it is not an ABI break, only a QoI issue. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."