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Re: [v4.0][v4.1][v4.2][Regression] tpm: fix raciness of PPI interface lookup

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Hi

Sorry for the late reply. Looking into this now and sending feedback
later today.

/Jarkko

On Mon, Sep 14, 2015 at 05:36:07PM -0400, Joseph Salisbury wrote:
> Hi Jarkko,
> 
> A kernel bug report was opened against Ubuntu [0] and in bugzilla[1].  A
> kernel bisect was performed, and it identified the following commit as
> the first bad commit:
> 
> commit 0dc553652102c55a43eb1ab52e2049e478469f53
> Author: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> Date:   Fri Dec 12 11:46:35 2014 -0800
> 
>     tpm: fix raciness of PPI interface lookup
> 
> 
> The regression was introduced as of v4.0-rc1.
> 
> I was hoping to get your feedback, since you are the patch author.  Do
> you think gathering any additional data will help diagnose this issue,
> or would it be best to submit a revert request?  An issue with the
> revert request is that it would also require reverting several other
> commits that came after this commit or a backport of the revert.
>     
> 
> Thanks,
>     
> Joe
> 
> [0] http://pad.lv/1491467
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=53071
> 
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[v4.0][v4.1][v4.2][Regression] tpm: fix raciness of PPI interface  lookup Joseph Salisbury <joseph.salisbury@canonical.com> - 2015-09-14 23:40 +0200
  Re: [v4.0][v4.1][v4.2][Regression] tpm: fix raciness of PPI  interface lookup Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2015-09-15 00:30 +0200
  Re: [v4.0][v4.1][v4.2][Regression] tpm: fix raciness of PPI  interface lookup Jarkko Sakkinen <jarkko.sakkinen@intel.com> - 2015-09-15 13:00 +0200

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