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 DF379385840A for ; Fri, 1 Mar 2024 20:58:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DF379385840A 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 DF379385840A 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=1709326722; cv=none; b=wKBXoyPPGUMH22y1M0ar4J+9+7BzyzpODyY1a03iyWIgi0ohX7fqVJsQM7AV+e1nFzGU4Ihdwi8s2YeyX69UmqjHXZ5n398XLsW2WOYtyPmiJgWpzxPJeB7H73/915dO+anK+xeC8lMbC6SGg0e5mUvkEv01SqLpd6GOxcsTui4= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709326722; c=relaxed/simple; bh=GalpJbbeJ9cV+hG0YYMSVFCuSEOJ+AHs+HM4wQntzRo=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=KmkBOOf299V50AzY/gSfbvUczg8iBjzaTYz8MDuXrhf46dTMyw280hwbnNNQWGgxXxp6JQwXVDHG9BhXzYW+nzo2/qY4zRhb8xO8UgTZl6LBAlwneBuUNhCO69MnmgWttIyepWbjQSrJIeVT8FhwU3YbGt/lsiShNrejSk0qHLo= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1709326720; 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=GalpJbbeJ9cV+hG0YYMSVFCuSEOJ+AHs+HM4wQntzRo=; b=Z2vRNLApc05s9tdrsxE8j3gWlVoV+koZq4K6rFbO7qDxBBFGTkMahD5PqgrRQQlds/C7oY OvAdvn+ZXjtN+3VitIBXaxeNjbJ+e9Pex4mkyn79/tBLbK7c9af1Cu8ioIVglA8lxOgfOU lR6d5Yg5RAxa5xI0q3XbMF+jhBwFG9Y= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-330-fh_TYqJsMcCwTgiLi-Zd1w-1; Fri, 01 Mar 2024 15:58:39 -0500 X-MC-Unique: fh_TYqJsMcCwTgiLi-Zd1w-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (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 9CF581C05EAB; Fri, 1 Mar 2024 20:58:38 +0000 (UTC) Received: from greed.delorie.com (unknown [10.22.8.89]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 45C83C185C0; Fri, 1 Mar 2024 20:58:38 +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 421Kwb1f2363353; Fri, 1 Mar 2024 15:58:37 -0500 From: DJ Delorie To: Michael Jeanson Cc: libc-alpha@sourceware.org, mjeanson@efficios.com, fweimer@redhat.com, carlos@redhat.com, mathieu.desnoyers@efficios.com Subject: Re: [PATCH 4/4] nptl: Add features to internal 'struct rseq_area' In-Reply-To: <20240227155533.298617-5-mjeanson@efficios.com> Date: Fri, 01 Mar 2024 15:58:37 -0500 Message-ID: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-4.7 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: > The 'struct rseq_area' is used to define the offset of the various > features available in the rseq ABI. Add fields that follow cpu_id > (rseq_cs, flags, node_id, mm_cid) in preparation for their use. > > Access to features following the original rseq ABI 20 bytes (after > 'flags') starting with 'node_id' must be gated by an rseq feature size > test. > > Signed-off-by: Michael Jeanson LGTM Reviewed-by: DJ Delorie