diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-04-07 13:34:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-07 13:34:42 +0200 |
| commit | 2e8844e13ab73f1107aea4317a53ff5879f2e1d7 (patch) | |
| tree | 36165371cf6fd26d674610f1c6bb5fac50e6e13f /arch/s390/mm/pgtable.c | |
| parent | c78a3956b982418186e40978a51636a2b43221bc (diff) | |
| parent | d508afb437daee7cf07da085b635c44a4ebf9b38 (diff) | |
Merge branch 'linus' into tracing/hw-branch-tracing
Merge reason: update to latest tracing and ptrace APIs
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/s390/mm/pgtable.c')
| -rw-r--r-- | arch/s390/mm/pgtable.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 0767827540b..be6c1cf4ad5 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -117,6 +117,7 @@ repeat: crst_table_init(table, entry); pgd_populate(mm, (pgd_t *) table, (pud_t *) pgd); mm->pgd = (pgd_t *) table; + mm->task_size = mm->context.asce_limit; table = NULL; } spin_unlock(&mm->page_table_lock); @@ -154,6 +155,7 @@ void crst_table_downgrade(struct mm_struct *mm, unsigned long limit) BUG(); } mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN); + mm->task_size = mm->context.asce_limit; crst_table_free(mm, (unsigned long *) pgd); } update_mm(mm, current); @@ -256,6 +258,10 @@ int s390_enable_sie(void) struct task_struct *tsk = current; struct mm_struct *mm, *old_mm; + /* Do we have switched amode? If no, we cannot do sie */ + if (!switch_amode) + return -EINVAL; + /* Do we have pgstes? if yes, we are done */ if (tsk->mm->context.has_pgste) return 0; @@ -290,7 +296,7 @@ int s390_enable_sie(void) tsk->mm = tsk->active_mm = mm; preempt_disable(); update_mm(mm, tsk); - cpu_set(smp_processor_id(), mm->cpu_vm_mask); + cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm)); preempt_enable(); task_unlock(tsk); mmput(old_mm); |