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From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: Alan Stern <stern@rowland.harvard.edu>, shuah <shuah@kernel.org>,
	Suwan Kim <suwan.kim027@gmail.com>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"usb-storage@lists.one-eyed-alien.net" 
	<usb-storage@lists.one-eyed-alien.net>,
	"linux-renesas-soc@vger.kernel.org" 
	<linux-renesas-soc@vger.kernel.org>,
	Christoph Hellwig <hch@lst.de>
Subject: RE: [PATCH v2] usb-storage: Add a limitation for blk_queue_max_hw_sectors()
Date: Tue, 2 Jul 2019 10:07:42 +0000	[thread overview]
Message-ID: <TYAPR01MB454412603157D6DDCB512092D8F80@TYAPR01MB4544.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <20190617062222.GA5069@lst.de>

Hi Alan, shuah, Suwan,

> From: Christoph Hellwig, Sent: Monday, June 17, 2019 3:22 PM
> 
> On Mon, Jun 17, 2019 at 04:17:43AM +0000, Yoshihiro Shimoda wrote:
> > Thank you for the comments. So, should I wait for getting rid of the
> > virt_boundary_mask stuff? If I revise the commit log of this patch,
> > is it acceptable for v5.2-stable as a workaround? In other words,
> > I worry about this issue exists on v5.2-stable.
> 
> It does exist on 5.2-stable and we should fix it.  I'll plan to resend
> my series to fix the virt_boundary issues for the other SCSI driver
> soon, but we'll still need to sort out usb-storage.

I guess that getting rid of the virt_boundary_mask stuff [1] needs more time.
So, for v5.2-stable, would you accept my patch as a workaround?
JFYI, v5.2-rc7 still has this "swiotlb buffer is full" issue.

[1]
https://marc.info/?l=linux-kernel&m=156114524808042&w=2

Best regards,
Yoshihiro Shimoda


  reply	other threads:[~2019-07-02 10:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-13  9:36 [PATCH v2] usb-storage: Add a limitation for blk_queue_max_hw_sectors() Yoshihiro Shimoda
2019-06-13 17:06 ` Alan Stern
2019-06-13 17:11   ` Christoph Hellwig
2019-06-13 17:21     ` Alan Stern
2019-06-17  4:17       ` Yoshihiro Shimoda
2019-06-17  6:22         ` Christoph Hellwig
2019-07-02 10:07           ` Yoshihiro Shimoda [this message]
2019-07-02 13:49             ` Suwan Kim
2019-07-02 14:06               ` shuah
2019-07-02 14:28             ` Alan Stern
2019-07-03  3:10               ` Yoshihiro Shimoda
2019-07-03 14:19                 ` Alan Stern
2019-07-04 10:37                   ` Yoshihiro Shimoda

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