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From: Alan Stern <stern@rowland.harvard.edu>
To: shuah <shuah@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Valentina Manea <valentina.manea.m@gmail.com>,
	Oliver Neukum <oneukum@suse.com>,
	"iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>
Subject: Re: How to resolve an issue in swiotlb environment?
Date: Fri, 14 Jun 2019 10:44:53 -0400 (EDT)
Message-ID: <Pine.LNX.4.44L0.1906141043530.24571-100000@netrider.rowland.org> (raw)
In-Reply-To: <41caad16-3fa1-413b-0d49-594d48b88de4@kernel.org>

On Thu, 13 Jun 2019, shuah wrote:

> > Great!  So all we have to do is fix vhci-hcd.  Then we can remove all
> > the virt_boundary_mask stuff from usb-storage and uas entirely.
> > 
> > (I'm assuming wireless USB isn't a genuine issue.  As far as I know, it
> > is pretty much abandoned at this point.)
> > 
> > Valentina and Shua: Adding SG support to vhci-hcd shouldn't be too
> > hard.  It ought to be possible even without changing the network
> > protocol.
> > 
> 
> I will start taking a look at this. Is there a target release in plan
> to drop virt_boundary_mask stuff?

Not yet.  But since it doesn't do what we want anyway, this should be 
fixed quickly.

Alan Stern


  reply index

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-03  6:42 Yoshihiro Shimoda
2019-06-07 12:00 ` Yoshihiro Shimoda
2019-06-10  7:31   ` Biju Das
2019-06-10 11:13   ` Yoshihiro Shimoda
2019-06-10 12:32     ` Christoph Hellwig
2019-06-10 18:46       ` Alan Stern
2019-06-11  6:41         ` Christoph Hellwig
2019-06-11 14:51           ` Alan Stern
2019-06-12  7:30             ` Christoph Hellwig
2019-06-12  8:52               ` Yoshihiro Shimoda
2019-06-12 11:31                 ` Christoph Hellwig
2019-06-13  4:52                   ` Yoshihiro Shimoda
2019-06-12 11:46               ` Oliver Neukum
2019-06-12 12:06                 ` Christoph Hellwig
2019-06-12 14:43                   ` Alan Stern
2019-06-13  7:39                     ` Christoph Hellwig
2019-06-13 16:57                       ` Martin K. Petersen
2019-06-13 17:16                       ` Alan Stern
2019-06-13 18:18                         ` Greg KH
2019-06-13 23:01                         ` shuah
2019-06-14 14:44                           ` Alan Stern [this message]
2019-06-18 15:28                             ` shuah
2019-06-19 20:23                               ` shuah
2019-06-19 21:05                                 ` Alan Stern
2019-06-21 17:43                                   ` Suwan Kim
2019-06-11  6:49         ` Yoshihiro Shimoda

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