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authorTony Luck <aegl@agluck-desktop.(none)>2009-03-31 14:25:08 -0700
committerTony Luck <tony.luck@intel.com>2009-03-31 14:25:08 -0700
commitc66b31f3926165bc1d4128adc97a064dcbab421a (patch)
tree13be75d33bd2b9d4ec45ec512ac38a2e7069062e /arch/ia64/kernel/patch.c
parent50fbe56c127efde659c686495eb1f925fd84ff0a (diff)
parent7120569c76028a6883697b7643564f0c419cfe07 (diff)
Pull pvops into release branch
Diffstat (limited to 'arch/ia64/kernel/patch.c')
-rw-r--r--arch/ia64/kernel/patch.c40
1 files changed, 30 insertions, 10 deletions
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index b83b2c51600..68a1311db80 100644
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -7,6 +7,7 @@
#include <linux/init.h>
#include <linux/string.h>
+#include <asm/paravirt.h>
#include <asm/patch.h>
#include <asm/processor.h>
#include <asm/sections.h>
@@ -169,16 +170,35 @@ ia64_patch_mckinley_e9 (unsigned long start, unsigned long end)
ia64_srlz_i();
}
+extern unsigned long ia64_native_fsyscall_table[NR_syscalls];
+extern char ia64_native_fsys_bubble_down[];
+struct pv_fsys_data pv_fsys_data __initdata = {
+ .fsyscall_table = (unsigned long *)ia64_native_fsyscall_table,
+ .fsys_bubble_down = (void *)ia64_native_fsys_bubble_down,
+};
+
+unsigned long * __init
+paravirt_get_fsyscall_table(void)
+{
+ return pv_fsys_data.fsyscall_table;
+}
+
+char * __init
+paravirt_get_fsys_bubble_down(void)
+{
+ return pv_fsys_data.fsys_bubble_down;
+}
+
static void __init
patch_fsyscall_table (unsigned long start, unsigned long end)
{
- extern unsigned long fsyscall_table[NR_syscalls];
+ u64 fsyscall_table = (u64)paravirt_get_fsyscall_table();
s32 *offp = (s32 *) start;
u64 ip;
while (offp < (s32 *) end) {
ip = (u64) ia64_imva((char *) offp + *offp);
- ia64_patch_imm64(ip, (u64) fsyscall_table);
+ ia64_patch_imm64(ip, fsyscall_table);
ia64_fc((void *) ip);
++offp;
}
@@ -189,7 +209,7 @@ patch_fsyscall_table (unsigned long start, unsigned long end)
static void __init
patch_brl_fsys_bubble_down (unsigned long start, unsigned long end)
{
- extern char fsys_bubble_down[];
+ u64 fsys_bubble_down = (u64)paravirt_get_fsys_bubble_down();
s32 *offp = (s32 *) start;
u64 ip;
@@ -207,13 +227,13 @@ patch_brl_fsys_bubble_down (unsigned long start, unsigned long end)
void __init
ia64_patch_gate (void)
{
-# define START(name) ((unsigned long) __start_gate_##name##_patchlist)
-# define END(name) ((unsigned long)__end_gate_##name##_patchlist)
+# define START(name) paravirt_get_gate_patchlist(PV_GATE_START_##name)
+# define END(name) paravirt_get_gate_patchlist(PV_GATE_END_##name)
- patch_fsyscall_table(START(fsyscall), END(fsyscall));
- patch_brl_fsys_bubble_down(START(brl_fsys_bubble_down), END(brl_fsys_bubble_down));
- ia64_patch_vtop(START(vtop), END(vtop));
- ia64_patch_mckinley_e9(START(mckinley_e9), END(mckinley_e9));
+ patch_fsyscall_table(START(FSYSCALL), END(FSYSCALL));
+ patch_brl_fsys_bubble_down(START(BRL_FSYS_BUBBLE_DOWN), END(BRL_FSYS_BUBBLE_DOWN));
+ ia64_patch_vtop(START(VTOP), END(VTOP));
+ ia64_patch_mckinley_e9(START(MCKINLEY_E9), END(MCKINLEY_E9));
}
void ia64_patch_phys_stack_reg(unsigned long val)
@@ -229,7 +249,7 @@ void ia64_patch_phys_stack_reg(unsigned long val)
while (offp < end) {
ip = (u64) offp + *offp;
ia64_patch(ip, mask, imm);
- ia64_fc(ip);
+ ia64_fc((void *)ip);
++offp;
}
ia64_sync_i();