From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09B3FC433EF for ; Fri, 29 Oct 2021 22:25:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D58666103E for ; Fri, 29 Oct 2021 22:25:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230325AbhJ2W1o (ORCPT ); Fri, 29 Oct 2021 18:27:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229546AbhJ2W1n (ORCPT ); Fri, 29 Oct 2021 18:27:43 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA334C061570 for ; Fri, 29 Oct 2021 15:25:14 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id gn3so8137794pjb.0 for ; Fri, 29 Oct 2021 15:25:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=lWdESddijh/xWpWegkm3EXnbhxITI8x8BfwxjUarsG8=; b=ACq7i7ZaMVNfDeaZGUMI4gTkEJYg55OnnhKe9acRMVjm9PfLb2cL58lo9rQywUqVMD YhU7cwgGVJIQSHVZN2wNGJlhSkazS+EB1J40JRu79KL38lXN5oGHtQ759JBC4yFbjA3D K7+xg0qxAJrrPJ63fIyGz35trbEkIRp+w3mUqYf5OWn+L573TNLLmKmVhmIPcjW+6eoJ 7/KGJ8TWrHHoYq3F9JYKu8n3x5lpfAF5fmF2qDlyIoYYhZyO8Uk7suL1VsV0KEfNF/DG UuIEgb8viR9K6Se5tI1MZVAeBuE6cWV6VpKQ0NDM9frAwB3z95k2V3vNOPkBU3H3IVEP v+pw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=lWdESddijh/xWpWegkm3EXnbhxITI8x8BfwxjUarsG8=; b=goBKn7UMvpx/o+IwjoRzSSoliiZKZGdgQ2WA5XlwOKpuP2MuLHYHxC2/qJtOKVfsen kDTQ+jIUYQvUiZIBoc0O6Wqu7OAtZesXd8CkxHxAOHXyQ8KrrrMrAwRtyxnhRfHhbkpO 4+jU6rGnMfNIRNpvoMNhZyRJbUuiKTHY9FZXPZry2KsT/iaQxTfS70Zp/1Tf3PAkD+26 x5jarDJor9fsSSB0stay5OC1DtYrxgMtcyBT/vMg4Cm5gTiFqx/kl2Iux3z/seO6+LiG /hpMq9U1qszhsDYom8kChCbneG+MJgKcJE654NsS27mkwZpjbBtv6xWBLFduwW++aG40 gpTw== X-Gm-Message-State: AOAM53378K6rmsYpmZ8VOpkcFKvmev6pleQ0n74Oz0wBGnJRitWL7ZWe NULySslF5z2lac8G6nMNtnDUOqD1P4NxZpV955sSyg== X-Google-Smtp-Source: ABdhPJyWRlQ8iHqPV3Z9HrnOy+C4rgjAhV7sBw4EerTJlnn1Dnc/XWTbCoEtcjpvkL2b9IQ2IPuvz1v4SVLnGQauvdc= X-Received: by 2002:a17:90b:3b88:: with SMTP id pc8mr13941324pjb.93.1635546314503; Fri, 29 Oct 2021 15:25:14 -0700 (PDT) MIME-Version: 1.0 References: <20211022183709.1199701-1-ben.widawsky@intel.com> <20211022183709.1199701-7-ben.widawsky@intel.com> <20211029220258.ghqdgnehg6ptjy3e@intel.com> In-Reply-To: <20211029220258.ghqdgnehg6ptjy3e@intel.com> From: Dan Williams Date: Fri, 29 Oct 2021 15:25:02 -0700 Message-ID: Subject: Re: [RFC PATCH v2 06/28] cxl: Introduce endpoint decoders To: Ben Widawsky Cc: linux-cxl@vger.kernel.org, Chet Douglas , Alison Schofield , Ira Weiny , Jonathan Cameron , Vishal Verma Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org On Fri, Oct 29, 2021 at 3:03 PM Ben Widawsky wrote: > > On 21-10-29 14:00:21, Dan Williams wrote: > > On Fri, Oct 22, 2021 at 11:37 AM Ben Widawsky wrote: > > > > > > Endpoints have decoders too. It is useful to share the same > > > infrastructure from cxl_core. Endpoints do not have dports (downstream > > > targets), only the underlying physical medium. As a result, some special > > > casing is needed. > > > > > > There is no functional change introduced yet as endpoints don't actually > > > enumerate decoders yet. > > > > The nr_targets type change either needs to be commented on here, or > > moved to its own patch. > > Do you have a preference? Slight preference for separate patch.