From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 00AA23858423 for ; Fri, 14 Jan 2022 18:51:39 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 00AA23858423 Received: from mail-qv1-f69.google.com (mail-qv1-f69.google.com [209.85.219.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-295-M9MvUTiyMuCcfzQzJd3ZkA-1; Fri, 14 Jan 2022 13:51:38 -0500 X-MC-Unique: M9MvUTiyMuCcfzQzJd3ZkA-1 Received: by mail-qv1-f69.google.com with SMTP id 15-20020ad45baf000000b00415c27a8486so9257948qvq.11 for ; Fri, 14 Jan 2022 10:51:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:organization:in-reply-to :content-transfer-encoding; bh=/1rUWho43n6RT9q0X1ObkQpItwzxQIfdXoywlSBuvSo=; b=JRqNEId/Gd+2EFPmwJOP1m+mtFQa0HMIt/g6U3M6sZmjoCUqxddZN7d+XsWWu+3HSn mlz9HyrXGXcU2s9X5SQLpbiEqmHmh6vPmKI8IQjFgXL7unzllbz4h1BspUkv6n1PtkUF c0erdA9kSzj037mZeI9Dd1cEBwpz4v3WEU9LuTrl9qimzjJ35vj2ha7hrnheETuoRUOd vNRMUUe0jd1NZ7gHSm/xo4r56v2N7GFuvpL8JQWjDH6TcI9VgiduMofY4pu2v0U2ywsV T5xTQv5sriyHfi6gZSB/9hdRTC/iou3GFGtC0WRaigKkCzLFpYbk9CgHGrEjb6uOd0i6 J/3Q== X-Gm-Message-State: AOAM533HtoobnneL09Po7zB17J67YQbcwtDZlhGTRYpzH1GgqeBIHamH EWrdyz9HjsRA54EzpZiEsrTM1mg681ofOkv9a03e4v7ml8xu2/hxY1eSwNJv1sgEcu9wQi4BqLY OLZsDFVyFteYXsYncqQMr X-Received: by 2002:a37:9343:: with SMTP id v64mr7467237qkd.490.1642186297597; Fri, 14 Jan 2022 10:51:37 -0800 (PST) X-Google-Smtp-Source: ABdhPJwnnXk3VWNoDMGJ7drutMWd9HsCXcv87KODbZW5WQyLn34Zcaiw90DRiLAVyAP3C6rfYZqDjA== X-Received: by 2002:a37:9343:: with SMTP id v64mr7467227qkd.490.1642186297396; Fri, 14 Jan 2022 10:51:37 -0800 (PST) Received: from [192.168.0.241] (135-23-175-80.cpe.pppoe.ca. [135.23.175.80]) by smtp.gmail.com with ESMTPSA id i67sm3842116qkf.69.2022.01.14.10.51.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 14 Jan 2022 10:51:36 -0800 (PST) Message-ID: <42cbd585-114c-0369-a08e-d1089b89c1fe@redhat.com> Date: Fri, 14 Jan 2022 13:51:35 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH v2 0/6] Reliable CPU compatibility diagnostics in ld.so To: Florian Weimer , Joseph Myers Cc: libc-alpha@sourceware.org References: <8735lqqjv7.fsf@oldenburg.str.redhat.com> From: Carlos O'Donell Organization: Red Hat In-Reply-To: <8735lqqjv7.fsf@oldenburg.str.redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.2 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, NICE_REPLY_A, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP 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: Fri, 14 Jan 2022 18:51:41 -0000 On 1/14/22 12:59, Florian Weimer via Libc-alpha wrote: > * Joseph Myers: > >> I think there should be a NEWS entry for the new feature and configure >> option. > > Fair enough. I'm going to add: > > * A new configure option, --with-rtld-early-cflags, can be used to > specify additional compiler flags for building the early startup code > of the dynamic linker. On targets which have CPU compatibility > checks, this can help to ensure that proper diagnostics are printed if > the dynamic loader runs on an incompatible CPU. LGTM. Reviewed-by: Carlos O'Donell -- Cheers, Carlos.