| commit | ab3f285f227fec62868037e9b1b1fd18294a83b8 | [log] [tgz] |
|---|---|---|
| author | Christian Borntraeger <borntraeger@de.ibm.com> | Tue Aug 19 16:19:35 2014 +0200 |
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | Mon Aug 25 14:35:28 2014 +0200 |
| tree | 223d790283f4379ce84a87660d100a1f1933cffd | |
| parent | 614a80e474b227cace52fd6e3c790554db8a396e [diff] |
KVM: s390/mm: try a cow on read only pages for key ops The PFMF instruction handler blindly wrote the storage key even if the page was mapped R/O in the host. Lets try a COW before continuing and bail out in case of errors. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Cc: stable@vger.kernel.org