Commits
Christian Borntraeger committed 55e4283c3eb
KVM: s390/mm: Fix page table locking vs. split pmd lock commit ec66ad66a0de87866be347b5ecc83bd46427f53b (s390/mm: enable split page table lock for PMD level) activated the split pmd lock for s390. Turns out that we missed one place: We also have to take the pmd lock instead of the page table lock when we reallocate the page tables (==> changing entries in the PMD) during sie enablement. Cc: stable@vger.kernel.org # 3.15+ Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>