diff options
Diffstat (limited to 'arch/ia64/xen/xen_pv_ops.c')
| -rw-r--r-- | arch/ia64/xen/xen_pv_ops.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c index c236f04ffad..5b23cd5e915 100644 --- a/arch/ia64/xen/xen_pv_ops.c +++ b/arch/ia64/xen/xen_pv_ops.c @@ -275,6 +275,22 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = { = xen_intrin_local_irq_restore, }; +/****************************************************************************** + * replacement of hand written assembly codes. + */ + +extern char xen_switch_to; +extern char xen_leave_syscall; +extern char xen_work_processed_syscall; +extern char xen_leave_kernel; + +const struct pv_cpu_asm_switch xen_cpu_asm_switch = { + .switch_to = (unsigned long)&xen_switch_to, + .leave_syscall = (unsigned long)&xen_leave_syscall, + .work_processed_syscall = (unsigned long)&xen_work_processed_syscall, + .leave_kernel = (unsigned long)&xen_leave_kernel, +}; + /*************************************************************************** * pv_ops initialization */ @@ -286,4 +302,6 @@ xen_setup_pv_ops(void) pv_info = xen_info; pv_init_ops = xen_init_ops; pv_cpu_ops = xen_cpu_ops; + + paravirt_cpu_asm_init(&xen_cpu_asm_switch); } |