linux-kernel - Re: [PATCH v5 0/2] usbip: Implement SG support

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Message-ID: <20190815132356.GB27208@kroah.com>
Date:   Thu, 15 Aug 2019 15:23:56 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Suwan Kim <suwan.kim027@...il.com>, shuah@...nel.org,
        valentina.manea.m@...il.com, stern@...land.harvard.edu,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/2] usbip: Implement SG support

On Wed, Aug 14, 2019 at 06:19:51AM -0700, Christoph Hellwig wrote:
> FYI, I think my
> 
>    "usb: add a HCD_DMA flag instead of guestimating DMA capabilities"
> 
> is the proper core fix for what your patch 1 works around, as the USB
> core should not assume DMA capabilities based on the presence of a DMA
> mask.

I agree.  Let's wait for Christoph's series to be applied before taking
this one.

thanks,

greg k-h