commit | b56433cb782d1cc7e44fc46d2ce3917fa75d2236 | [log] [tgz] |
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author | Christian Borntraeger <borntraeger@de.ibm.com> | Mon May 27 16:19:55 2013 +0200 |
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Tue May 28 15:18:05 2013 +0200 |
tree | 4ef2bf321a213f0c5ad70c2967a2c5b94a82a8a5 | |
parent | d5b4c2f4938aaebc392669111385c3cf50dd309f [diff] |
s390/pgtable: Fix check for pgste/storage key handling pte_present might return true on PAGE_TYPE_NONE, even if the invalid bit is on. Modify the existing check of the pgste functions to avoid crashes. [ Martin Schwidefsky: added ptep_modify_prot_[start|commit] bits ] Reported-by: Martin Schwidefky <schwidefsky@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> CC: stable@vger.kernel.org Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>