[IA64] remove per-cpu ia64_phys_stacked_size_p8

[powerpc.git] / arch / ia64 / kernel / patch.c

diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index bc11bb0..e796e29 100644 (file)
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -195,3 +195,23 @@ ia64_patch_gate (void)
        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)
+{
+       s32 * offp = (s32 *) __start___phys_stack_reg_patchlist;
+       s32 * end = (s32 *) __end___phys_stack_reg_patchlist;
+       u64 ip, mask, imm;
+
+       /* see instruction format A4: adds r1 = imm13, r3 */
+       mask = (0x3fUL << 27) | (0x7f << 13);
+       imm = (((val >> 7) & 0x3f) << 27) | (val & 0x7f) << 13;
+
+       while (offp < end) {
+               ip = (u64) offp + *offp;
+               ia64_patch(ip, mask, imm);
+               ia64_fc(ip);
+               ++offp;
+       }
+       ia64_sync_i();
+       ia64_srlz_i();
+}