From 533bd156231eec4b399c36579e7c30b6f52cfd29 Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Wed, 4 Mar 2009 21:05:35 +0900 Subject: 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 Signed-off-by: Tony Luck --- arch/ia64/xen/xen_pv_ops.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch/ia64/xen/xen_pv_ops.c') 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 #include #include +#include #include #include @@ -165,6 +166,18 @@ static const struct pv_init_ops xen_init_ops __initconst = { .post_smp_prepare_boot_cpu = xen_post_smp_prepare_boot_cpu, }; +/*************************************************************************** + * 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; -- cgit v1.2.3-70-g09d2