[S390] Introduce user_regset accessors for s390

[linux-2.6-omap-h63xx.git] / include / asm-s390 / processor.h

diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index a00f79dd323b540ae31fe01c0e764f7e012f157c..5483c28b8bc3e57021a1d0e7109ba77b7d274857 100644 (file)
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -143,11 +143,19 @@ struct stack_frame {
 /*
  * Do necessary setup to start up a new thread.
  */
-#define start_thread(regs, new_psw, new_stackp) do {            \
+#define start_thread(regs, new_psw, new_stackp) do {           \
        set_fs(USER_DS);                                        \
        regs->psw.mask  = psw_user_bits;                        \
-        regs->psw.addr  = new_psw | PSW_ADDR_AMODE;             \
-        regs->gprs[15]  = new_stackp ;                          \
+       regs->psw.addr  = new_psw | PSW_ADDR_AMODE;             \
+       regs->gprs[15]  = new_stackp;                           \
+} while (0)
+
+#define start_thread31(regs, new_psw, new_stackp) do {         \
+       set_fs(USER_DS);                                        \
+       regs->psw.mask  = psw_user32_bits;                      \
+       regs->psw.addr  = new_psw | PSW_ADDR_AMODE;             \
+       regs->gprs[15]  = new_stackp;                           \
+       crst_table_downgrade(current->mm, 1UL << 31);           \
 } while (0)
 
 /* Forward declaration, a strange C thing */