1 files changed, 7 insertions, 49 deletions

diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index c1cfc7e39ec9..55de521aef77 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -109,13 +109,6 @@ STACK_SIZE  = 1 << STACK_SHIFT
  *    R15 - kernel stack pointer
  */
 
-        .macro  STORE_TIMER lc_offset
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
-        stpt    \lc_offset
-#endif
-        .endm
-
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         .macro  UPDATE_VTIME lc_from,lc_to,lc_sum
         lm      %r10,%r11,\lc_from
         sl      %r10,\lc_to
@@ -128,7 +121,6 @@ STACK_SIZE  = 1 << STACK_SHIFT
         al      %r10,BASED(.Lc_1)
 1:      stm     %r10,%r11,\lc_sum
         .endm
-#endif
 
         .macro  SAVE_ALL_BASE savearea
         stm     %r12,%r15,\savearea
@@ -198,7 +190,7 @@ STACK_SIZE  = 1 << STACK_SHIFT
         ni      \psworg+1,0xfd          # clear wait state bit
         .endif
         lm      %r0,%r15,SP_R0(%r15)    # load gprs 0-15 of user
-        STORE_TIMER __LC_EXIT_TIMER
+        stpt    __LC_EXIT_TIMER
         lpsw    \psworg                 # back to caller
         .endm
 
@@ -247,20 +239,18 @@ __critical_start:
 
         .globl  system_call
 system_call:
-        STORE_TIMER __LC_SYNC_ENTER_TIMER
+        stpt    __LC_SYNC_ENTER_TIMER
 sysc_saveall:
         SAVE_ALL_BASE __LC_SAVE_AREA
         SAVE_ALL_SVC __LC_SVC_OLD_PSW,__LC_SAVE_AREA
         CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA
         lh      %r7,0x8a          # get svc number from lowcore
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
 sysc_vtime:
         UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
 sysc_stime:
         UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
 sysc_update:
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-#endif
 sysc_do_svc:
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
         ltr     %r7,%r7                 # test for svc 0
@@ -490,20 +480,18 @@ pgm_check_handler:
  * we just ignore the PER event (FIXME: is there anything we have to do
  * for LPSW?).
  */
-        STORE_TIMER __LC_SYNC_ENTER_TIMER
+        stpt    __LC_SYNC_ENTER_TIMER
         SAVE_ALL_BASE __LC_SAVE_AREA
         tm      __LC_PGM_INT_CODE+1,0x80 # check whether we got a per exception
         bnz     BASED(pgm_per)          # got per exception -> special case
         SAVE_ALL_SYNC __LC_PGM_OLD_PSW,__LC_SAVE_AREA
         CREATE_STACK_FRAME __LC_PGM_OLD_PSW,__LC_SAVE_AREA
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         tm      SP_PSW+1(%r15),0x01     # interrupting from user ?
         bz      BASED(pgm_no_vtime)
         UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
         UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
 pgm_no_vtime:
-#endif
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
         TRACE_IRQS_OFF
         l       %r3,__LC_PGM_ILC        # load program interruption code
@@ -536,14 +524,12 @@ pgm_per:
 pgm_per_std:
         SAVE_ALL_SYNC __LC_PGM_OLD_PSW,__LC_SAVE_AREA
         CREATE_STACK_FRAME __LC_PGM_OLD_PSW,__LC_SAVE_AREA
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         tm      SP_PSW+1(%r15),0x01     # interrupting from user ?
         bz      BASED(pgm_no_vtime2)
         UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
         UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
 pgm_no_vtime2:
-#endif
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
         TRACE_IRQS_OFF
         l       %r1,__TI_task(%r9)
@@ -565,11 +551,9 @@ pgm_no_vtime2:
 pgm_svcper:
         SAVE_ALL_SYNC __LC_SVC_OLD_PSW,__LC_SAVE_AREA
         CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
         UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-#endif
         lh      %r7,0x8a                # get svc number from lowcore
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
         TRACE_IRQS_OFF
@@ -599,19 +583,17 @@ kernel_per:
 
         .globl io_int_handler
 io_int_handler:
-        STORE_TIMER __LC_ASYNC_ENTER_TIMER
+        stpt    __LC_ASYNC_ENTER_TIMER
         stck    __LC_INT_CLOCK
         SAVE_ALL_BASE __LC_SAVE_AREA+16
         SAVE_ALL_ASYNC __LC_IO_OLD_PSW,__LC_SAVE_AREA+16
         CREATE_STACK_FRAME __LC_IO_OLD_PSW,__LC_SAVE_AREA+16
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         tm      SP_PSW+1(%r15),0x01     # interrupting from user ?
         bz      BASED(io_no_vtime)
         UPDATE_VTIME __LC_EXIT_TIMER,__LC_ASYNC_ENTER_TIMER,__LC_USER_TIMER
         UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_ASYNC_ENTER_TIMER
 io_no_vtime:
-#endif
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
         TRACE_IRQS_OFF
         l       %r1,BASED(.Ldo_IRQ)     # load address of do_IRQ
@@ -741,19 +723,17 @@ io_notify_resume:
 
         .globl  ext_int_handler
 ext_int_handler:
-        STORE_TIMER __LC_ASYNC_ENTER_TIMER
+        stpt    __LC_ASYNC_ENTER_TIMER
         stck    __LC_INT_CLOCK
         SAVE_ALL_BASE __LC_SAVE_AREA+16
         SAVE_ALL_ASYNC __LC_EXT_OLD_PSW,__LC_SAVE_AREA+16
         CREATE_STACK_FRAME __LC_EXT_OLD_PSW,__LC_SAVE_AREA+16
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         tm      SP_PSW+1(%r15),0x01     # interrupting from user ?
         bz      BASED(ext_no_vtime)
         UPDATE_VTIME __LC_EXIT_TIMER,__LC_ASYNC_ENTER_TIMER,__LC_USER_TIMER
         UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_ASYNC_ENTER_TIMER
 ext_no_vtime:
-#endif
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
         TRACE_IRQS_OFF
         la      %r2,SP_PTREGS(%r15)     # address of register-save area
@@ -776,7 +756,6 @@ mcck_int_handler:
         la      %r12,__LC_MCK_OLD_PSW
         tm      __LC_MCCK_CODE,0x80     # system damage?
         bo      BASED(mcck_int_main)    # yes -> rest of mcck code invalid
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         mvc     __LC_SAVE_AREA+52(8),__LC_ASYNC_ENTER_TIMER
         mvc     __LC_ASYNC_ENTER_TIMER(8),__LC_CPU_TIMER_SAVE_AREA
         tm      __LC_MCCK_CODE+5,0x02   # stored cpu timer value valid?
@@ -793,9 +772,7 @@ mcck_int_handler:
         la      %r14,__LC_LAST_UPDATE_TIMER
 0:      spt     0(%r14)
         mvc     __LC_ASYNC_ENTER_TIMER(8),0(%r14)
-1:
-#endif
-        tm      __LC_MCCK_CODE+2,0x09   # mwp + ia of old psw valid?
+1:      tm      __LC_MCCK_CODE+2,0x09   # mwp + ia of old psw valid?
         bno     BASED(mcck_int_main)    # no -> skip cleanup critical
         tm      __LC_MCK_OLD_PSW+1,0x01 # test problem state bit
         bnz     BASED(mcck_int_main)    # from user -> load async stack
@@ -812,7 +789,6 @@ mcck_int_main:
         be      BASED(0f)
         l       %r15,__LC_PANIC_STACK   # load panic stack
 0:      CREATE_STACK_FRAME __LC_MCK_OLD_PSW,__LC_SAVE_AREA+32
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         tm      __LC_MCCK_CODE+2,0x08   # mwp of old psw valid?
         bno     BASED(mcck_no_vtime)    # no -> skip cleanup critical
         tm      SP_PSW+1(%r15),0x01     # interrupting from user ?
@@ -821,7 +797,6 @@ mcck_int_main:
         UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_ASYNC_ENTER_TIMER
 mcck_no_vtime:
-#endif
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
         la      %r2,SP_PTREGS(%r15)     # load pt_regs
         l       %r1,BASED(.Ls390_mcck)
@@ -843,16 +818,13 @@ mcck_no_vtime:
 mcck_return:
         mvc     __LC_RETURN_MCCK_PSW(8),SP_PSW(%r15) # move return PSW
         ni      __LC_RETURN_MCCK_PSW+1,0xfd # clear wait state bit
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         mvc     __LC_ASYNC_ENTER_TIMER(8),__LC_SAVE_AREA+52
         tm      __LC_RETURN_MCCK_PSW+1,0x01 # returning to user ?
         bno     BASED(0f)
         lm      %r0,%r15,SP_R0(%r15)    # load gprs 0-15
         stpt    __LC_EXIT_TIMER
         lpsw    __LC_RETURN_MCCK_PSW    # back to caller
-0:
-#endif
-        lm      %r0,%r15,SP_R0(%r15)    # load gprs 0-15
+0:      lm      %r0,%r15,SP_R0(%r15)    # load gprs 0-15
         lpsw    __LC_RETURN_MCCK_PSW    # back to caller
 
         RESTORE_ALL __LC_RETURN_MCCK_PSW,0
@@ -976,13 +948,11 @@ cleanup_system_call:
         b       BASED(1f)
 0:      la      %r12,__LC_SAVE_AREA+32
 1:
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         clc     __LC_RETURN_PSW+4(4),BASED(cleanup_system_call_insn+4)
         bh      BASED(0f)
         mvc     __LC_SYNC_ENTER_TIMER(8),__LC_ASYNC_ENTER_TIMER
 0:      clc     __LC_RETURN_PSW+4(4),BASED(cleanup_system_call_insn+8)
         bhe     BASED(cleanup_vtime)
-#endif
         clc     __LC_RETURN_PSW+4(4),BASED(cleanup_system_call_insn)
         bh      BASED(0f)
         mvc     __LC_SAVE_AREA(16),0(%r12)
@@ -993,7 +963,6 @@ cleanup_system_call:
         l       %r12,__LC_SAVE_AREA+48  # argh
         st      %r15,12(%r12)
         lh      %r7,0x8a
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
 cleanup_vtime:
         clc     __LC_RETURN_PSW+4(4),BASED(cleanup_system_call_insn+12)
         bhe     BASED(cleanup_stime)
@@ -1004,18 +973,15 @@ cleanup_stime:
         UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
 cleanup_update:
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-#endif
         mvc     __LC_RETURN_PSW+4(4),BASED(cleanup_table_system_call+4)
         la      %r12,__LC_RETURN_PSW
         br      %r14
 cleanup_system_call_insn:
         .long   sysc_saveall + 0x80000000
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         .long   system_call + 0x80000000
         .long   sysc_vtime + 0x80000000
         .long   sysc_stime + 0x80000000
         .long   sysc_update + 0x80000000
-#endif
 
 cleanup_sysc_return:
         mvc     __LC_RETURN_PSW(4),0(%r12)
@@ -1026,11 +992,9 @@ cleanup_sysc_return:
 cleanup_sysc_leave:
         clc     4(4,%r12),BASED(cleanup_sysc_leave_insn)
         be      BASED(2f)
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         mvc     __LC_EXIT_TIMER(8),__LC_ASYNC_ENTER_TIMER
         clc     4(4,%r12),BASED(cleanup_sysc_leave_insn+4)
         be      BASED(2f)
-#endif
         mvc     __LC_RETURN_PSW(8),SP_PSW(%r15)
         c       %r12,BASED(.Lmck_old_psw)
         bne     BASED(0f)
@@ -1043,9 +1007,7 @@ cleanup_sysc_leave:
         br      %r14
 cleanup_sysc_leave_insn:
         .long   sysc_done - 4 + 0x80000000
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         .long   sysc_done - 8 + 0x80000000
-#endif
 
 cleanup_io_return:
         mvc     __LC_RETURN_PSW(4),0(%r12)
@@ -1056,11 +1018,9 @@ cleanup_io_return:
 cleanup_io_leave:
         clc     4(4,%r12),BASED(cleanup_io_leave_insn)
         be      BASED(2f)
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         mvc     __LC_EXIT_TIMER(8),__LC_ASYNC_ENTER_TIMER
         clc     4(4,%r12),BASED(cleanup_io_leave_insn+4)
         be      BASED(2f)
-#endif
         mvc     __LC_RETURN_PSW(8),SP_PSW(%r15)
         c       %r12,BASED(.Lmck_old_psw)
         bne     BASED(0f)
@@ -1073,9 +1033,7 @@ cleanup_io_leave:
         br      %r14
 cleanup_io_leave_insn:
         .long   io_done - 4 + 0x80000000
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
         .long   io_done - 8 + 0x80000000
-#endif
 
 /*
  * Integer constants