Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: (29 commits)
  [IA64] BUG to BUG_ON changes
  [IA64] Fix typo/thinko in arch/ia64/sn/kernel/sn2/sn2_smp.c
  ia64: remove some warnings.
  ia64/xen: fix the link error.
  ia64/pv_ops/bp/xen: implemented binary patchable pv_cpu_ops.
  ia64/pv_ops/binary patch: define paravirt_dv_serialize_data() and suppress false positive warning.
  ia64/pv_ops/bp/module: support binary patching for kernel module.
  ia64/pv_ops: implement binary patching optimization for native.
  ia64/pv_op/binarypatch: add helper functions to support binary patching for paravirt_ops.
  ia64/pv_ops/xen/gate.S: xen gate page paravirtualization
  ia64/pv_ops: paravirtualize gate.S.
  ia64/pv_ops: move down __kernel_syscall_via_epc.
  ia64/pv_ops/xen: define xen specific gate page.
  ia64/pv_ops: gate page paravirtualization.
  ia64/pv_ops/xen/pv_time_ops: implement sched_clock.
  ia64/pv_ops/pv_time_ops: add sched_clock hook.
  ia64/pv_ops/xen: paravirtualize read/write ar.itc and ar.itm
  ia64/pv_ops: paravirtualize mov = ar.itc.
  ia64/pv_ops/pvchecker: support mov = ar.itc paravirtualization
  ia64/pv_ops: paravirtualize fsys.S.
  ...

1 files changed, 65 insertions, 0 deletions

diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h
index 2bf3636473fe..2eb0a981a09a 100644
--- a/arch/ia64/include/asm/paravirt.h
+++ b/arch/ia64/include/asm/paravirt.h
@@ -22,6 +22,56 @@
 #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);
+
+/******************************************************************************
+ * patchlist addresses for gate page
+ */
+enum pv_gate_patchlist {
+        PV_GATE_START_FSYSCALL,
+        PV_GATE_END_FSYSCALL,
+
+        PV_GATE_START_BRL_FSYS_BUBBLE_DOWN,
+        PV_GATE_END_BRL_FSYS_BUBBLE_DOWN,
+
+        PV_GATE_START_VTOP,
+        PV_GATE_END_VTOP,
+
+        PV_GATE_START_MCKINLEY_E9,
+        PV_GATE_END_MCKINLEY_E9,
+};
+
+struct pv_patchdata {
+        unsigned long start_fsyscall_patchlist;
+        unsigned long end_fsyscall_patchlist;
+        unsigned long start_brl_fsys_bubble_down_patchlist;
+        unsigned long end_brl_fsys_bubble_down_patchlist;
+        unsigned long start_vtop_patchlist;
+        unsigned long end_vtop_patchlist;
+        unsigned long start_mckinley_e9_patchlist;
+        unsigned long end_mckinley_e9_patchlist;
+
+        void *gate_section;
+};
+
+extern struct pv_patchdata pv_patchdata;
+
+unsigned long paravirt_get_gate_patchlist(enum pv_gate_patchlist type);
+void *paravirt_get_gate_section(void);
+#endif
+
 #ifdef CONFIG_PARAVIRT_GUEST
 
 #define PARAVIRT_HYPERVISOR_TYPE_DEFAULT        0
@@ -68,6 +118,14 @@ struct pv_init_ops {
         int (*arch_setup_nomca)(void);
 
         void (*post_smp_prepare_boot_cpu)(void);
+
+#ifdef ASM_SUPPORTED
+        unsigned long (*patch_bundle)(void *sbundle, void *ebundle,
+                                      unsigned long type);
+        unsigned long (*patch_inst)(unsigned long stag, unsigned long etag,
+                                    unsigned long type);
+#endif
+        void (*patch_branch)(unsigned long tag, unsigned long type);
 };
 
 extern struct pv_init_ops pv_init_ops;
@@ -210,6 +268,8 @@ struct pv_time_ops {
         int (*do_steal_accounting)(unsigned long *new_itm);
 
         void (*clocksource_resume)(void);
+
+        unsigned long long (*sched_clock)(void);
 };
 
 extern struct pv_time_ops pv_time_ops;
@@ -227,6 +287,11 @@ paravirt_do_steal_accounting(unsigned long *new_itm)
         return pv_time_ops.do_steal_accounting(new_itm);
 }
 
+static inline unsigned long long paravirt_sched_clock(void)
+{
+        return pv_time_ops.sched_clock();
+}
+
 #endif /* !__ASSEMBLY__ */
 
 #else