Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Wed, 1 Apr 2020 23:56:27 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Eric Dumazet <eric.dumazet@gmail.com>
Cc:     Eric Dumazet <edumazet@google.com>,
        Christoph Hellwig <hch@infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Benjamin Serebrin <serebrin@google.com>,
        David Woodhouse <dwmw2@infradead.org>,
        Joerg Roedel <joro@8bytes.org>,
        iommu@lists.linux-foundation.org, netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH] iommu/vt-d: add NUMA awareness to intel_alloc_coherent()
Message-ID: <20200402065627.GA23242@infradead.org>
References: <1517438756.3715.108.camel@gmail.com>
 <20180202185301.GA8232@infradead.org>
 <CANn89i+FBn3fttEyU_znAd-+8BgM7VZogFeeZPA7_zubChFpBA@mail.gmail.com>
 <34c70805-44f5-6697-3ebf-2f4d56779454@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <34c70805-44f5-6697-3ebf-2f4d56779454@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Wed, Apr 01, 2020 at 03:53:38PM -0700, Eric Dumazet wrote:
> 
> 
> On 2/2/18 10:59 AM, Eric Dumazet wrote:
> > On Fri, Feb 2, 2018 at 10:53 AM, Christoph Hellwig <hch@infradead.org> wrote:
> >> I've got patches pending to replace all that code with
> >> dma_direct_alloc, which will do the right thing.  They were
> >> submitted for 4.16, and I will resend them after -rc1.
> > 
> > I see, thanks Christoph !
> > 
> 
> Hi Christoph 
> 
> It seems 4.16 has shipped ( :) ) , and intel_alloc_coherent() still has no NUMA awareness.

Actually, that code went in and then got reverted again..

> Should I respin https://lore.kernel.org/patchwork/patch/884326/

Maybe.  We are still hoping to convert intel-iommu to the dma-iommu
framework, but I'm not sure how long that is going to take, so maybe
just respin it for now.