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[Bug 1572291] Comment bridged from LTC Bugzilla

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Date: Mon, 23 May 2016 17:09:28 -0000
Reply-to: Bug 1572291 <1572291@xxxxxxxxxxxxxxxxxx>
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------- Comment From thorsten.diehl@xxxxxxxxxx 2016-05-23 12:59 EDT-------
Arrrgh. Kernel was NOT unchanged - suffix 38 was tested. Now we have build suffix 39. I will do the retest now.....

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https://bugs.launchpad.net/bugs/1572291

Title:
  s390/pci: add extra padding to function measurement block

Status in Release Notes for Ubuntu:
  Fix Released
Status in Ubuntu on IBM z Systems:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  Please backport upstream commit:

  commit 9d89d9e61d361f3adb75e1aebe4bb367faf16cfa
  Author: Sebastian Ott <sebott@xxxxxxxxxxxxxxxxxx>
  Date:   Thu Mar 31 11:48:31 2016 +0200

      s390/pci: add extra padding to function measurement block
      
      Newer machines might use a different (larger) format for function
      measurement blocks. To ensure that we comply with the alignment
      requirement on these machines and prevent memory corruption (when
      firmware writes more data than we expect) add 16 padding bytes
      at the end of the fmb.
      
      Cc: stable@xxxxxxxxxxxxxxx # v4.1+
      Signed-off-by: Sebastian Ott <sebott@xxxxxxxxxxxxxxxxxx>
      Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>

   arch/s390/include/asm/pci.h | 3 ++-
   1 file changed, 2 insertions(+), 1 deletion(-)

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