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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(-)

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: Skipper Bug Screeners (skipper-screen-team)
         Status: New


** Tags: architecture-s39064 bugnameltc-140474 severity-high targetmilestone-inin1604
-- 
s390/pci: add extra padding to function measurement block
https://bugs.launchpad.net/bugs/1572291
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