ia64/pv_ops: add hooks to paravirtualize fsyscall implementation.
Add two hooks, paravirt_get_fsyscall_table() and
paravirt_get_fsys_bubble_doen() to paravirtualize fsyscall implementation.
This patch just add the hooks fsyscall and don't paravirtualize it.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/include/asm/native/inst.h b/arch/ia64/include/asm/native/inst.h
index 0a1026c..5e4e151 100644
--- a/arch/ia64/include/asm/native/inst.h
+++ b/arch/ia64/include/asm/native/inst.h
@@ -30,6 +30,9 @@
#define __paravirt_work_processed_syscall_target \
ia64_work_processed_syscall
+#define paravirt_fsyscall_table ia64_native_fsyscall_table
+#define paravirt_fsys_bubble_down ia64_native_fsys_bubble_down
+
#ifdef CONFIG_PARAVIRT_GUEST_ASM_CLOBBER_CHECK
# define PARAVIRT_POISON 0xdeadbeefbaadf00d
# define CLOBBER(clob) \
diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h
index 2bf3636..56f69f9 100644
--- a/arch/ia64/include/asm/paravirt.h
+++ b/arch/ia64/include/asm/paravirt.h
@@ -22,6 +22,21 @@
#ifndef __ASM_PARAVIRT_H
#define __ASM_PARAVIRT_H
+#ifndef __ASSEMBLY__
+/******************************************************************************
+ * fsys related addresses
+ */
+struct pv_fsys_data {
+ unsigned long *fsyscall_table;
+ void *fsys_bubble_down;
+};
+
+extern struct pv_fsys_data pv_fsys_data;
+
+unsigned long *paravirt_get_fsyscall_table(void);
+char *paravirt_get_fsys_bubble_down(void);
+#endif
+
#ifdef CONFIG_PARAVIRT_GUEST
#define PARAVIRT_HYPERVISOR_TYPE_DEFAULT 0