Messages in this thread | | | Date | Tue, 13 Nov 2012 19:34:44 -0800 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 03/11] intel-iommu: Fix AB-BA lockdep report |
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On Tue, Nov 13, 2012 at 10:04:53PM -0500, Steven Rostedt wrote: > On Tue, 2012-11-13 at 19:25 -0700, Shuah Khan wrote: > > On Sun, 2011-12-04 at 13:54 -0500, Steven Rostedt wrote: > > > From: Roland Dreier <roland@purestorage.com> > > > > > > When unbinding a device so that I could pass it through to a KVM VM, I > > > got the lockdep report below. It looks like a legitimate lock > > > ordering problem: > > > > Did this patch not make it into stable releases other than 3.1. I > > couldn't find it in any other stable tress prior to 3.1. > > Ah, this was done in the early stable-rt releases. Where we took > mainline fixes as long as they were in tglx's tree. But today the > stable-rt tree waits for mainline fixes to come in via the stable tree > so we don't do something like this. That is, miss getting a fix into > stable. Yeah, this should be added to 3.0. (looks to be already in 3.2 > and 3.4). > > > Greg, > > Can you add the following commit to the 3.0 stable tree. We've had this > in v3.0-rt for some time now. :-/ > > commit 3e7abe2556b583e87dabda3e0e6178a67b20d06f > Author: Roland Dreier <roland@purestorage.com> > Date: Wed Jul 20 06:22:21 2011 -0700 > > intel-iommu: Fix AB-BA lockdep report
I had to edit the path to the file, but it looks like it applies properly now, thanks.
greg k-h
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