diff options
| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2009-03-04 21:05:35 +0900 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2009-03-26 10:49:47 -0700 |
| commit | 533bd156231eec4b399c36579e7c30b6f52cfd29 (patch) | |
| tree | 3969ea9b17317b518c6303d251a61da1f2094013 /arch/ia64/xen/xen_pv_ops.c | |
| parent | dd97d5cb540939602cba9af6f88e883a6fe451f0 (diff) | |
ia64/pv_ops/xen: preliminary to paravirtualizing fsys.S for xen.
This is a preliminary patch to paravirtualizing fsys.S.
compile fsys.S twice one for native and one for xen, and switch
them at run tine.
Later fsys.S will be paravirtualized.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/xen/xen_pv_ops.c')
| -rw-r--r-- | arch/ia64/xen/xen_pv_ops.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c index fa3b967e69c..fe72308321b 100644 --- a/arch/ia64/xen/xen_pv_ops.c +++ b/arch/ia64/xen/xen_pv_ops.c @@ -24,6 +24,7 @@ #include <linux/irq.h> #include <linux/kernel.h> #include <linux/pm.h> +#include <linux/unistd.h> #include <asm/xen/hypervisor.h> #include <asm/xen/xencomm.h> @@ -166,6 +167,18 @@ static const struct pv_init_ops xen_init_ops __initconst = { }; /*************************************************************************** + * pv_fsys_data + * addresses for fsys + */ + +extern unsigned long xen_fsyscall_table[NR_syscalls]; +extern char xen_fsys_bubble_down[]; +struct pv_fsys_data xen_fsys_data __initdata = { + .fsyscall_table = (unsigned long *)xen_fsyscall_table, + .fsys_bubble_down = (void *)xen_fsys_bubble_down, +}; + +/*************************************************************************** * pv_cpu_ops * intrinsics hooks. */ @@ -355,6 +368,7 @@ xen_setup_pv_ops(void) xen_info_init(); pv_info = xen_info; pv_init_ops = xen_init_ops; + pv_fsys_data = xen_fsys_data; pv_cpu_ops = xen_cpu_ops; pv_iosapic_ops = xen_iosapic_ops; pv_irq_ops = xen_irq_ops; |