[IA64] pvops: paravirtualize minstate.h.

paravirtualize minstate.h which are hand written assembly code.
They include sensitive or performance critical privileged
instructions. So that they are appropriate for paravirtualization.

Cc: Keith Owens <kaos@ocs.com.au>
Cc: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/arch/ia64/kernel/minstate.h b/arch/ia64/kernel/minstate.h
index 74b6d670aaef..292e214a3b84 100644
--- a/arch/ia64/kernel/minstate.h
+++ b/arch/ia64/kernel/minstate.h
@@ -2,6 +2,7 @@
 #include <asm/cache.h>
 
 #include "entry.h"
+#include "paravirt_inst.h"
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
 /* read ar.itc in advance, and use it before leaving bank 0 */
@@ -43,16 +44,16 @@
  * Note that psr.ic is NOT turned on by this macro.  This is so that
  * we can pass interruption state as arguments to a handler.
  */
-#define DO_SAVE_MIN(COVER,SAVE_IFS,EXTRA,WORKAROUND)                                            \
+#define IA64_NATIVE_DO_SAVE_MIN(__COVER,SAVE_IFS,EXTRA,WORKAROUND)                              \
         mov r16=IA64_KR(CURRENT);       /* M */                                                 \
         mov r27=ar.rsc;                 /* M */                                                 \
         mov r20=r1;                     /* A */                                                 \
         mov r25=ar.unat;                /* M */                                                 \
-        mov r29=cr.ipsr;                /* M */                                                 \
+        MOV_FROM_IPSR(p0,r29);          /* M */                                                 \
         mov r26=ar.pfs;                 /* I */                                                 \
-        mov r28=cr.iip;                 /* M */                                                 \
+        MOV_FROM_IIP(r28);                      /* M */                                         \
         mov r21=ar.fpsr;                /* M */                                                 \
-        COVER;                          /* B;; (or nothing) */                                  \
+        __COVER;                                /* B;; (or nothing) */                          \
         ;;                                                                                      \
         adds r16=IA64_TASK_THREAD_ON_USTACK_OFFSET,r16;                                         \
         ;;                                                                                      \
@@ -244,6 +245,6 @@
 1:                                              \
         .pred.rel "mutex", pKStk, pUStk
 
-#define SAVE_MIN_WITH_COVER     DO_SAVE_MIN(cover, mov r30=cr.ifs, , RSE_WORKAROUND)
-#define SAVE_MIN_WITH_COVER_R19 DO_SAVE_MIN(cover, mov r30=cr.ifs, mov r15=r19, RSE_WORKAROUND)
+#define SAVE_MIN_WITH_COVER     DO_SAVE_MIN(COVER, mov r30=cr.ifs, , RSE_WORKAROUND)
+#define SAVE_MIN_WITH_COVER_R19 DO_SAVE_MIN(COVER, mov r30=cr.ifs, mov r15=r19, RSE_WORKAROUND)
 #define SAVE_MIN                        DO_SAVE_MIN(     , mov r30=r0, , )