s390 fixes for 5.9-rc3
- Disable preemption trace in percpu macros since the lockdep code itself
uses percpu variables now and it causes recursions.
- Fix kernel space 4-level paging broken by recent vmem rework.
s390/vmem: fix vmem_add_range for 4-level paging
The kernel currently crashes if 4-level paging is used. Add missing
p4d_populate for just allocated pud entry.
Fixes: 3e0d3e408e63 ("s390/vmem: consolidate vmem_add_range() and vmem_remove_range()")
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
1 file changed