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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-08-19 16:19:35 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-08-25 14:35:28 +0200 |
| commit | ab3f285f227fec62868037e9b1b1fd18294a83b8 (patch) | |
| tree | 223d790283f4379ce84a87660d100a1f1933cffd /arch/s390/kvm | |
| parent | 614a80e474b227cace52fd6e3c790554db8a396e (diff) | |
| download | linux-ab3f285f227fec62868037e9b1b1fd18294a83b8.tar.bz2 | |
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
Diffstat (limited to 'arch/s390/kvm')
0 files changed, 0 insertions, 0 deletions