From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com ([134.134.136.24]:11573 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753824AbeF1ODa (ORCPT ); Thu, 28 Jun 2018 10:03:30 -0400 Date: Thu, 28 Jun 2018 08:02:40 -0600 From: Keith Busch To: Lorenzo Pieralisi Cc: "Derrick, Jonathan" , "hch@infradead.org" , "linux-pci@vger.kernel.org" , "Bauer, Scott" , "bhelgaas@google.com" Subject: Re: [PATCH] PCI/VMD: White list for fast interrupt handlers Message-ID: <20180628140240.GA12793@localhost.localdomain> References: <20180508160022.30954-1-keith.busch@intel.com> <20180509043828.GA9413@infradead.org> <20180509152652.GA823@localhost.localdomain> <1526053159.7581.15.camel@intel.com> <1527275472.24363.8.camel@intel.com> <20180628112208.GA8914@red-moon> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20180628112208.GA8914@red-moon> Sender: linux-pci-owner@vger.kernel.org List-ID: On Thu, Jun 28, 2018 at 12:22:17PM +0100, Lorenzo Pieralisi wrote: > On Fri, May 25, 2018 at 07:11:14PM +0000, Derrick, Jonathan wrote: > > We've seen this actually fix an issue with one vendor's multi-function > > switch. I'd like to see it get into 4.18 if possible > > Sorry for the delay in getting back to this. > > It seems like Christoph is not too happy about this patch, it is your > code so I would apply it unless there is a cleaner alternative so please > do let me know. VMD hardware really relies on the host software to bring all the logic, and it was intended to prioritize PCIe attached storage. The patch just captures that intention, so yes please, let's queue this up. I understands Christoph's lack of enthusiasm for this, but at least this isn't a PCIe HBA with proprietary interfaces and firmware. :)