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From: Jiri Slaby <jslaby@suse.cz>
To: Ian Campbell <Ian.Campbell@citrix.com>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
	david.vrabel@citrix.com, stable@vger.kernel.org,
	Luis Henriques <luis.henriques@canonical.com>
Subject: Re: [Xen-devel] [PATCH 2/2] swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single
Date: Mon, 26 Jan 2015 14:39:05 +0100	[thread overview]
Message-ID: <54C64379.7070001@suse.cz> (raw)
In-Reply-To: <1422269607.27469.5.camel@citrix.com>

On 01/26/2015, 11:53 AM, Ian Campbell wrote:
> On Fri, 2014-11-21 at 17:00 +0000, Stefano Stabellini wrote:
>> Need to pass the pointer within the swiotlb internal buffer to the
>> swiotlb library, that in the case of xen_unmap_single is dev_addr, not
>> paddr.
>>
>> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
>> CC: konrad.wilk@oracle.com
>> CC: stable@vger.kernel.org
> 
> This went into mainline as 2c3fc8d26dd0 "swiotlb-xen: pass dev_addr to
> swiotlb_tbl_unmap_single" but was reverted in dbdd74763f1f.
> 
> However it seems that 2c3fc8d26dd0 has made it into at least some stable
> kernel trees:
>         v3.18.3 as 2129c43d41e9
>         v3.16.7-ckt4 as 94ab279b0c9a
>         v3.14.29 as 3394691d34fc
>         v3.10.65 as 81cb80b578c5
> so it should be reverted there too. This is causing issues in the field
> such as https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776237.
> 
> v3.17, v3.15, v3.13.11-ckt14, v3.12.x, v3.11.x appear clean, I stopped

Hi, dropped from the 3.12 queue.

thanks,
-- 
js
suse labs

  parent reply	other threads:[~2015-01-26 13:39 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-21 17:00 [PATCH 0/2] small swiotlb-xen fixes Stefano Stabellini
2014-11-21 17:00 ` [PATCH 1/2] swiotlb-xen: call xen_dma_sync_single_for_device when appropriate Stefano Stabellini
2014-11-21 17:00 ` [PATCH 2/2] swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single Stefano Stabellini
2015-01-26 10:53   ` [Xen-devel] " Ian Campbell
2015-01-26 11:10     ` Luis Henriques
2015-01-26 13:39     ` Jiri Slaby [this message]
2014-11-21 17:26 ` [PATCH 0/2] small swiotlb-xen fixes Konrad Rzeszutek Wilk
2014-11-24 11:57   ` Stefano Stabellini

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