netdev - Re: [PATCH 6/7] x86: remove the explicit nodac and allowdac option

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Message-ID: <alpine.DEB.2.21.1805280808030.1585@nanos.tec.linutronix.de>
Date:   Mon, 28 May 2018 08:08:19 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Christoph Hellwig <hch@....de>
cc:     Ingo Molnar <mingo@...hat.com>, Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        x86@...nel.org, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, linux-ia64@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 6/7] x86: remove the explicit nodac and allowdac option

On Fri, 25 May 2018, Christoph Hellwig wrote:

x86/pci-dma: ...

Please

> This is something drivers should decide (modulo chipset quirks like
> for VIA), which as far as I can tell is how things have been handled
> for the last 15 years.
> 
> Note that we keep the usedac option for now, as it is used in the wild
> to override the too generic VIA quirk.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>