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 [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 5C4883858CD1 for ; Mon, 19 Feb 2024 22:09:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 5C4883858CD1 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 5C4883858CD1 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1708380545; cv=none; b=cTIYWtUcqZ6y6RtGIRj1LmYx1YzXgoIc2L5oLG5+5uAKsERK6pb8xpYnoQSoBdfQ2ssZnU/0+WhsnW25omg31/vuGy2hnw/Mz9BrdmgpW1UJUJ/ZScngqNvhwnS319Pd8mctvoacB7svh/IgY4tOUElyIjwd0JMlSDX1WgM78b4= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1708380545; c=relaxed/simple; bh=MUg30rGdiTdA2lx+Ruu8Khp0Dwdv4U3UMeeIrXq021M=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=sgk/rC/uzdMR9Kf/pdysjLOz9OSEmfMJKW28dpv/Suz0ulj4nqYzjN5Se9rMhPPEmXvxdApseSYBb1XAV3UxPjbnNijkGoa7PqBEwp9/c25HCISNgS/RuGNOR2VMVPDHHdoWx4rFARp74UlBg2Ikc0oWCt9pmvKgTn7OBo5T/lg= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1708380544; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=rWtMMe8t7xzIiWeDGBS2Gr81lcQOHhP36Vn7AZY7JgA=; b=I9u9Q/pbyJqicuSpxjvk8mPHSraLqUkVmDXZCZPCjemiojVo7OFDWPm9o+OXDlYXkIMdNk eq8+EpJT3WZPmR7J4z29KhNSiZ1/Gjv1G+1HQ8nvJCPIkA2dNo4qwB82mngf8UD0nl7Vfq Acj6XZOKBWXF5o8C1qvXYnSRnVNfcJk= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-336-qLgZu0MtMPSs1iCpOHLg6Q-1; Mon, 19 Feb 2024 17:09:00 -0500 X-MC-Unique: qLgZu0MtMPSs1iCpOHLg6Q-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 01A5685A58A; Mon, 19 Feb 2024 22:09:00 +0000 (UTC) Received: from greed.delorie.com (unknown [10.22.8.101]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E166E492BE2; Mon, 19 Feb 2024 22:08:59 +0000 (UTC) Received: from greed.delorie.com.redhat.com (localhost [127.0.0.1]) by greed.delorie.com (8.15.2/8.15.2) with ESMTP id 41JM8xxo403279; Mon, 19 Feb 2024 17:08:59 -0500 From: DJ Delorie To: Michael Jeanson Cc: libc-alpha@sourceware.org, mathieu.desnoyers@efficios.com Subject: Re: [PATCH v8 3/8] nptl: Add public __rseq_feature_size symbol In-Reply-To: Date: Mon, 19 Feb 2024 17:08:59 -0500 Message-ID: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Michael Jeanson writes: > Would this make sense? Yup! > This variable is either zero (if restartable sequence registration > failed or has been disabled) or the size of the restartable sequence > features supported by the running kernel. If registration is > successful, @code{__rseq_feature_size} is at least 20 (the feature size of > @code{struct rseq} in the initial rseq kernel implementation).