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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2013-09-24 09:14:56 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-10-24 17:16:57 +0200
commite258d719ff28ecc7a048eb8f78380e68c4b3a3f0 (patch)
tree1c7f496b97cef1111b230371940e603a2ca401a4 /arch/s390/mm/pgtable.c
parent7d7c7b24e416afb2637be8447e03ca4457c100fd (diff)
s390/uaccess: always run the kernel in home space
Simplify the uaccess code by removing the user_mode=home option. The kernel will now always run in the home space mode. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm/pgtable.c')
-rw-r--r--arch/s390/mm/pgtable.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index de8cbc30dcd1..94f37a9fb1e5 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -1157,10 +1157,6 @@ int s390_enable_sie(void)
struct mm_struct *mm = tsk->mm;
struct mmu_gather tlb;
- /* Do we have switched amode? If no, we cannot do sie */
- if (s390_user_mode == HOME_SPACE_MODE)
- return -EINVAL;
-
/* Do we have pgstes? if yes, we are done */
if (mm_has_pgste(tsk->mm))
return 0;