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 X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A096C76188 for ; Fri, 19 Jul 2019 13:52:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 15BB220873 for ; Fri, 19 Jul 2019 13:52:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728319AbfGSNwR (ORCPT ); Fri, 19 Jul 2019 09:52:17 -0400 Received: from gate.crashing.org ([63.228.1.57]:42974 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726239AbfGSNwR (ORCPT ); Fri, 19 Jul 2019 09:52:17 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id x6JDpvjO023083; Fri, 19 Jul 2019 08:51:58 -0500 Message-ID: <91ef44522140bf83720f6c377648b307964d34e4.camel@kernel.crashing.org> Subject: Re: [PATCH v3] nvme-pci: Support shared tags across queues for Apple 2018 controllers From: Benjamin Herrenschmidt To: Christoph Hellwig Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Paul Pawlowski , Jens Axboe , Keith Busch , Minwoo Im , Damien Le Moal Date: Fri, 19 Jul 2019 23:51:56 +1000 In-Reply-To: <20190719122859.GA30193@lst.de> References: <20190719122859.GA30193@lst.de> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2019-07-19 at 14:28 +0200, Christoph Hellwig wrote: > Yikes, that things looks worse and worse. I think at this point > we'll > have to defer the support to 5.4 unfortunately as it is getting more > and more involved.. Well, at least v3 of that patch, thanks to Damien's idea, isn't particularly invasive and I've hammered the SSD with it over night with a combination of IOs and smart commands, it's solid. But if you prefer waiting for 5.4, no worries. Cheers, Ben.