diff options
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/kernel/head.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S index fbb4e43fda05..fefaba2097b5 100644 --- a/arch/parisc/kernel/head.S +++ b/arch/parisc/kernel/head.S @@ -329,6 +329,19 @@ smp_slave_stext: mtsp %r0,%sr6 mtsp %r0,%sr7 +#ifdef CONFIG_64BIT + /* + * Enable Wide mode early, in case the task_struct for the idle + * task in smp_init_current_idle_task was allocated above 4GB. + */ +1: mfia %rp /* clear upper part of pcoq */ + ldo 2f-1b(%rp),%rp + depdi 0,31,32,%rp + bv (%rp) + ssm PSW_SM_W,%r0 +2: +#endif + /* Initialize the SP - monarch sets up smp_init_current_idle_task */ load32 PA(smp_init_current_idle_task),%sp LDREG 0(%sp),%sp /* load task address */ |